International Conference Papers (Sul)

299. Younggi Lee, Shenghui Cui, Sungmin Kim and Seung-Ki Sul,“Control of Hybrid HVDC Transmission System with LCC and FB-MMC”,  ECCE 2014

298. Seung-Jun Chee, Sanggi Ko, Hyeon-Sik Kim, Seung-Ki Sul, “Common-mode Voltage Reduction of Three Level Four Leg PWM Converter”, ECCE 2014

297. Jae-Jung Jung, Shenghui Cui, Sungmin Kim and Seung-Ki Sul, ” A Cell Capacitor Energy Balancing Control of Modular Multilevel Converter Considering the Unbalanced AC Grid Conditions ” , IPEC-Hiroshima 2014

296. Dongouk Kim, Yong-Cheol Kwon, Seung-Ki Sul, Jang-Hwan Kim and Rae-Sung Yu, “Suppression of Injection Voltage Disturbance for High Frequency Square-Wave Injection Sensorless Drive with Regulation of Induced High Frequency Current Ripple ” , IPEC-Hiroshima 2014

295. Shenghui Cui, Sungmin Kim, Jae-Jung Jung, and Seung-Ki Sul,”A Comprehensive Cell Capacitor Energy Control Strategy of a Modular Multilevel Converter (MMC) without a Stiff DC Bus Voltage Source ” , APEC 2014

294. Shenghui Cui, Sungmin Kim, Jae-Jung Jung, and Seung-Ki Sul,”Principle, Control and Comparison of Modular Multilevel Converters (MMCs) with DC Short Circuit Fault Ride-through Capability ” , APEC 2014

293. Jae-Jung Jung, Hak-Jun Lee, Seung-Ki Sul,”Reduced Sampling Rate for Cell Voltage Sensing in High-level Modular Multilevel Converter ” , ICIT2014

292. Seung-Jun Chee, Seung-Ki Sul, Young Hoon Roh, Junyeong Lee,” Loss comparison of the 3 level topologies for four-leg voltage converters ” , ICIT 2014

291. Byung-Geuk Cho, Seung-Ki Sul, “Power Sharing Strategy in Parallel Operation of Inverters for Distributed Power System under Line Impedance Inequality”, ECCE Asia 2013

290. Jae-Jung Jung, Hak-Jun Lee, Seung-Ki Sul, “Control Strategy for Improved Dynamic Performance of Variable-speed Drives with the Modular Multilevel Converter”,  ECCE 2013

289. Yong-Cheol Kwon, Seung-Ki Sul, Sohji Murakami, Noor Aamir Baloch, “Design and Control of IPMSM Sensorless Drive for Mechanical Rotor Position Detection Capability”, ECCE 2013

288. Yongsoon Park and Seung-Ki Sul, “Sensorless Control Method for PMSM Based on Frequency-Adaptive Disturbance Observer”, ECCE 2013

287. So-Yeon Kim, Byung-Geuk Cho, Seung-Ki Sul, “Consideration of Active-Front-End Rectifier for All-electric Navy Ship”, ECCE 2013

286. Myoungho Kim, Seung-Ki Sul, Junggi Lee, “A Stator Turn-Fault Detection Method for Inverter-Fed IPMSM with High-Frequency Current Injection”, ECCE 2013

285. Myoungho Kim, Anno Yoo, Seung-Ki Sul, “Modeling and Controller Design for Series-connected Output Universal Link Converter”, ECCE 2013

284. Yongsoon Park, Seung-Ki Sul,Woo-Chull Kim, Hyun-Young Lee, “Phase Locked Loop Based on an Observer for Grid Synchronization”, APEC 2013

283. Sehwa Choe, Eunsoo Jung, Seung-Ki Sul, “Sensorless Control of Synchronous Machine with an Inverter Integrated Rotor”, The Applied Power Electronics Conference and Exposition 2013

282. Hyun-Sam Jung, Seung-Jun Chee, Seung-Ki Sul, Young-Jae Park, Hyun-Soo Park, Woo-Kyu Kim, “Control of three phase inverter for AC motor drive with small DC-link capacitor fed by single phase AC source”, ECCE 2012 , Publication Year: 2012 , Page(s): 2985 – 2991, Sep. 2012

281. Jae-Jung Jung, Hak-Jun Lee, Seung-Ki Sul, “Control of the Modular Multilevel Converter for Variable-speed Drives”, PEDES 2012, Dec. 2012.

280. Seung-Jun Chee, Yongsu Han, Sungmin Kim, Jung-Ik Ha, Seung-Ki Sul, “LVRT strategy and control for single external feeding doubly-fed induction generator”, WeGAT 2012, Oct. 2012.

279. So-Yeon Kim, Byung-Geuk Cho, Seung-Ki Sul, “Feasibility Study of Integrated Power System with Battery Energy Storage System for Naval Ships”, 2012 IEEE Vehicle Power and Propulsion Conference, Oct. 2012.

278. Yong-Cheol Kwon, Sungmin Kim, Seung-Ki Sul, “Six-Step Operation of PMSM with Instantaneous Current Control”, ECCE 2012, Sep. 2012.

277. Myoungho Kim, Seung-Ki Sul, Junggi Lee, “Compensation of Current Measurement Error for Current-Controlled PMSM Drives”, ECCE 2012, Sep. 2012.

276. Yongsoon Park, Seung-Ki Sul, “Compensation of Inverter Nonlinearity Based on Trapezoidal Voltage” , ECCE 2012, Sep. 2012.

275. Byung-Geuk Cho, Seung-Ki Sul, “LCL Filter Design for Grid-connected Voltage-source Converters in High Power Systems”, ECCE 2012, Sep. 2012.

274. Byung-Geuk Cho, Seung-Ki Sul, “HARMONIC FILTERS FOR NAVAL VESSELS DRIVEN BY ACTIVE FRONT END OF TWO LEVEL PWM CONVERTERS”, 1st International MARINELIVE Conference on “All Electric Ship”, Jun. 2012.

273. Jae-Jung Jung, Eunsoo Jung, Jung-Ik Ha, Seung-Ki Sul, “Initial Voltage Angle Detection Method of a PWM Converter without any Grid Voltage Measurement Using Conduction State of Diodes for Smooth Starting”, 2012 IEEE 7th International Power Electronics and Motion Control Conference – ECCE Asia, Jun. 2012.

272. Muhammad Fayyaz Kashif, Sehwa Choe, Yongsoon Park, Seung-Ki Sul, “Maximum Power Point Tracking for Single Stage Grid-Connected PV System under Partial Shading Conditions”, 2012 IEEE 7th International Power Electronics and Motion Control Conference – ECCE Asia, Jun. 2012.

271. Byeong Heon Kim, Seung-Ki Sul, Chun-Ho Lim, “Anti-Islanding Detection Method Using Negative Sequence Voltage”, 2012 IEEE 7th International Power Electronics and Motion Control Conference – ECCE Asia, Jun. 2012.

270. Sungho Jung, Hak-Jun Lee, Seung-Ki Sul, “Layout of IGBT-based Current Source Converter for Low Stray Inductance”, APEC2012, Feb. 2012.

269. Yong-Cheol Kwon, Sungmin Kim, Tae-Suk Kwon, Seung-Ki Sul, “Improved Speed Control of Permanent Magnet Synchronous Machine at Overmodulation Region”, APEC 2012, Feb. 2012.

268. Seung-Hee Chai, Byeong-Hwa Lee, Jung-Pyo Hong, Seung-Ki Sul, Sang-Min Kim, “Design of IPMSM having High Power Density for Position Sensorless Operation with Highfrequency Signal Injection And the Method of Calculating Inductance profile”, ICMES 2011, Aug. 2011.

267. Sungmin Kim, Jung-Ik Ha, Seung-Ki Sul, “PWM Switching Frequency Signal Injection Sensorless Method in IPMSM”, ECCE 2011, Sep. 2011.

266. Sadayuki Sato, Hideaki Iura, Seung-Ki Sul, “Three Years of Industrial Experience with Sensorless IPMSM Drive based on High Frequency Injection Method”, SLED 2011 , Sep. 2011.

265. Eunsoo Jung, Myoungho Kim, Seung-Ki Sul, “Control Scheme for Source Voltage Sensorless PWM Converters under Source Voltage Unbalance”, EPE’11 ECCE Europe, Aug. 2011.

264. Sungmin Kim, Seung-Ki Sul, “Sensorless control of AC motor – Where are we now?”, ICMES 2011, Aug. 2011.

263. Sungmin Kim, Seung-Ki Sul, “High performance position sensorless control using rotating voltage signal injection in IPMSM”, EPE’11 – ECCE Europe, Aug. 2011.

262. Hak-Jun Lee, Seung-Ki Sul, “Wind Power Collection and Transmission with Series Connected Current Source Converters”, EPE Joint Wind Energy and T&D Chapters Seminar, Mar. 2011.

261. 유안노, Kyeongseo Kim, Seung-Ki Sul, “Analysis of High-Frequency Power Conversion for Series-Connected Universal Link AC/DC Power Converter”, ICPE 2011-ECCE Asia, Mar. 2011.

260. Myoungho Kim, Martin Rosekeit, Seung-Ki Sul, Rik W. A. A. De Doncke, “A Dual-Phase-Shift Control Strategy for Dual-Active-Bridge DC-DC Converter in Wide Voltage Range”, ICPE 2011-ECCE Asia, Mar. 2011.

259. Hak-Jun Lee, Ho-Joon Shin, Seung-Ki Sul, Sang-Min Kim, Yongho Park, “System Configuration and Control Strategy using FPGA for Hybrid Vehicle Power Control Unit”, ICPE 2011-ECCE Asia, Mar. 2011.

258. Ho-Joon Shin, Hyun-Sam Jung, Seung-Ki Sul, “Low Voltage Ride Through(LVRT) Control Strategy of Grid-Connected Variable Speed Wind Turbine Generator System”, ICPE 2011-ECCE Asia, Mar. 2011.

257. Sungmin Kim, Yong-Cheol Kwon, Seung-Ki Sul, Joonho Park, Sang-Min Kim, “Position Sensorless Operation of IPMSM with Near PWM Switching Frequency Signal Injection”, ICPE 2011-ECCE Asia, Mar. 2011.

256. Hak-Jun Lee, Sungho Jung, Seung-Ki Sul, “A Current Controller Design for Current Source Inverter-Fed PMSM Drive System”, ICPE 2011-ECCE Asia, Mar. 2011.

255. Sungmin Kim, Jung-Ik Ha, Seung-Ki Sul, “Single Shunt Current Sensing Technique in Three-level PWM Inverter”, ICPE 2011-ECCE Asia, Mar. 2011.

254. Yongsoon Park, Seung-Ki Sul, “A Novel Method to Compensate Non-Linearity of Inverter in Sensorless Operation of PMSM”, ICPE 2011-ECCE Asia, Mar. 2011.

253. Byung-Geuk Cho, Jung-Ik Ha, Seung-Ki Sul, “Voltage Injection Method for Boundary Expansion of Output Voltages in Three Shunt Sensing PWM Inverters”, ICPE 2011-ECCE Asia, Mar. 2011.

252. Byung-Geuk Cho, Seung-Ki Sul, Hyunjae Yoo, Seung-Min Lee, “LCL Filter Design and Control for Grid-connected PWM Converter”, ICPE 2011-ECCE Asia, Mar. 2011.

251. Hyunjae Yoo, Seung-Ki Su, “A New Circuit Design and Control to Reduce Input Harmonic Current for a Three-phase AC Machine Drive System having a very Small DC-link Capacitor”, APEC 2010, Feb. 2010.

250. Young-Doo Yoon, Seung-Ki Sul, “Sensorless Control for Induction Machines Using Squarewave Voltage Injection”, ECCE 2010, Sep. 2010.

249. Anno Yoo, Myoungho Kim, Seung-Ki Sul, “An AC-DC Power Conversion Based on Series-connected Universal Link Converter”, ECCE 2010, Sep. 2010.

248. Byung-Geuk Cho, Young-Doo Yoon, Seung-Ki Sul, Young Kyung Kong, Jae Goo Bin, “A Separate Double-winding 12-phase Brushless DC Motor Drive Fed from Individual H-bridge Inverters”, ECCE 2010, Sep. 2010.

247. Myoungho Kim, Anno Yoo and Seung-Ki Sul, “A New Bidirectional Isolated Converter for Grid Connection”, ECCE 2010, Sep. 2010.

246. Hak-Jun Lee, Seung-Ki Sul, Sang-Yeop Kwak, Sang-Il Kim, “System Configuration and Control Strategy for Compound Type Hybrid Excavator with Ultra Capacitor”, IPEC 2010, Jun. 2010.

245. Sungmin Kim, Seung-Ki Sul, Kozo Ide, Shinya Morimoto, “Maximum efficiency operation of Synchronous Reluctance Machine using signal injection”, IPEC 2010, Jun. 2010.

244. Myoungho Kim, Seung-Ki Sul, “An Enhanced Sensorless Control Method for PMSM in Rapid Accelerating Operation”, IPEC 2010, Jun. 2010.

243. Sungmin Kim, Young-Doo Yoon, Seung-Ki Sul, “Parameter Independent Maximum Torque per Ampere (MTPA) Control of IPM Machine Based on Signal Injection”, APEC 2010, Feb. 2010.

242. Un-kwan Cho, Jung-Sik Yim, Seung-Ki Sul, “Parallel operation of PWM inverters for high speed motor drive system”, APEC 2010, Feb. 2010.

241. Hyosung Kim, Seung-Ki Sul, “Analysis on output LC filters for PWM inverters”, IPEMC ’09. IEEE 6th International Power Electronics and Motion Control Conference, May. 2009.

240. Anno Yoo, Seung-Ki Sul, Sunja Kim, Kyung-Seo Kim, “Flux Weakening Strategy of an Induction Machine Driven by an Electrolytic Capacitor-less Inverter”, ECCE 2009 , Sep. 2009.

239. Eunsoo Jung, Hyunjae Yoo, Seung-Ki Sul, Hong-Soon Choi, and Yun-Young Choi, “Nine-phase Permanent Magnet Motor Drive System for Ultra High-speed Elevator”, ECCE 2009 , Sep. 2009.

238. Wook-Jin Lee, Seung-Ki Sul, “DC-link Voltage Stabilization for Reduced DC-link Capacitor Inverter”, ECCE 2009, Sep. 2009.

237. Myoungho Kim, Jung-Sik Yim, Seung-Ki Sul, Sung-Il Lim, “Implementation of Super High-speed Permanent Magnet Synchronous Machine Drive”, ECCE 2009 , Sep. 2009.

236. Young-doo Yoon, Seung-ki Sul, Shinya Morimoto, Kozo Ide, “High Bandwidth Sensorless Algorithm for AC Machines Based on Square-wave Type Voltage Injection”, ECCE 2009 , Sep. 2009.

235. Hyunjae Yoo, Byung-Geuk Cho, Seung-Ki Sul, Sang-Min Kim and Yongho Park, “A Power Flow Control Strategy for Optimal Fuel Efficiency of a Variable Speed Engine-Generator based Series Hybrid Electric Vehicle”, ECCE 2009 , Sep. 2009.

234. Anno Yoo, Young-Doo Yoon and Seung-Ki Sul, “Design of Speed and Current Regulator Minimizing Time Delay from Digital Control”, The 7th International Symposium on Linear Drives for Industry Applications 2009, Sep. 2009.

233. Sungmin Kim, Young-Doo Yoon,Seung-Ki Sul, “PWM Method of Matrix Converter for Reducing Output Current Ripple”, APEC 2009 , Feb. 2009.

232. Hyunjae Yoo and Seung-Ki Sul, “A Novel Approach to Reduce Line Harmonic Current for a Three-phase Diode Rectifier-fed Electrolytic Capacitor-less Inverter”, APEC 2009 , Feb. 2009.

231. Anno Yoo, Wook-Jin Lee, Sunja-Kim, Behzad Mirzaeian Dehkordi and Seung-Ki Sul, “Input filter analysis and resonance suppression control for electrolytic capacitor-less inverter”, APEC 2009, Feb. 2009.

230. Eunsoo Jung and Seung-Ki Sul, “Implementation of Grid-connected Single-phase Inverter Based on FPGA”, APEC 2009, Feb. 2009.

229. Seung-Hwan Lee, Jung-Sik Yim, Joon-Hwan Lee, Seung-Ki Sul, “Design of Speed Control Loop of A Variable Speed Diesel Engine Generator by Electric Governor”, 2008 IAS, Oct. 2008.

228. Joon-Hwan Lee, Seung Hwan Lee, Seung-Ki Sul, “Variable Speed Engine Generator with Super- Capacitor; Isolated Power Generation System and Fuel Efficiency”, 2008 IAS, Oct. 2008.

227. Tae-suk Kwon, Seon-woo Lee, Seung-Ki Sul, Byoung-il Kang, Min-seok Hong, Cheol-Gyu Park, Nag-in Kim, “Power Control Algorithm for Hybrid Excavator with Super Capacitor”, 2008 IAS, Oct. 2008.

226. Anno Yoo, Seung-Ki Sul, “Design of Flux Observer Robust to Parameter Variation of Interior Permanent Magnet Synchronous Motor”, 2008 IAS, Oct. 2008.

225. Anno Yoo, Seung-Ki Sul, Dong Cheol Lee and Cha Seung Jun, “Novel Speed and Rotor Position Estimation Strategy Using a Dual Observer for Low Resolution Position Sensors”, PESC 2008, Jun. 2008.

224. Eunsoo Jung, Hak-Jun Lee and Seung-Ki Sul, “FPGA-Based Motion Controller with a High Bandwidth Current Regulator”, PESC 2008, Jun. 2008.

223. Young-Doo Yoon, Eunsoo Jung and Seung-Ki Sul, “Application of a Disturbance Observer for a Relative Position Control System”, APEC 2008, Feb. 2008.

222. Anno Yoo, Young-Doo Yoon, Seung-Ki Sul, Masaki Hisatune, Shinya Morimoto, Kozo Ide,” Design of Current Regulator with Extended Bandwidth for Servo Motor Drive”, PCC 2007, Apr. 2007.

221. Tae-Suk Kwon and Seung-Ki Sul, “Analysis of the effect of the parameter variation on the flux weakening controller for improving torque capability”, APEC 2008, Feb. 2008.

220. Joon-Hwan Lee, Seung Hwan Lee, Seung-Ki Sul, “An Isolated Power System Based on Variable Speed Engine Generator with Super-Capacitor”, 6th International Japan-Korea-Taiwan-Mini-Workshop, Jan. 2008.

219. Young-Doo Yoon, Seung-Ki Sul, “New Flux Weakening Control for Surface Mounted Permanent Magnet Synchronous Machine Using Gradient Descent Method”, ICPE 2007, Jan. 2007.

218. Tae-suk Kwon, Seung-Ki Sul, “A novel flux weakening algorithm for surface mounted permanent magnet synchronous machines with infinite constant power speed ratio” , Electrical Machines and Systems, 2007. ICEMS. International Conference on, Oct. 2007.

217. Prasai Anish, Jung-Sik Yim, Divan Deepak, Bendre Ashish, Seung-Ki Sul, Kreikebaum Frank, “A New Architecture for Offshore Wind Farms”, 2007 European Conference, Sep. 2007.

216. Wook-Jin Lee, Young-Doo Yoon, Seung-Ki Sul,Yoon-Young Choi and Young-Seok Shim, “A Simple Induction Motor Parameter Estimation Method for Vector Control”, 2007 European Conference, Sep. 2007.

215. Young-Doo Yoon, Wook-Jin Lee, Seung-Ki Sul, “New flux weakening control for high saliency interior permanent magnet synchronous machine without any tables”, 2007 European Conference, Sep. 2007.

214. Jung-Sik Yim, Seung-Ki Sul, Ji-seop Byeon and Sung-Il Lim, “Voltage Sag Ride-through of Super High-speed Turbo Compressor”, IAS2007, Sep. 2007.

213. Yeon-Su Kim, Seung-Ki Sul, “Torque Control Strategy of an IPMSM Considering the Flux Variation of the Permanent Magnet”, IAS2007, Sep. 2007.

212. Mu-Shin Kwak, Seung-Ki Sul, “Flux Weakening Control of an Open Winding Machine with Isolated Dual Inverters”, IAS2007, Sep. 2007.

211. Young-Doo Yoon, Eunsoo Jung, Anno Yoo and Seung-Ki Sul, “Dual Observers for the Disturbance Rejection of a Motion Control System”, IAS2007, Sep. 2007.

210. Hyunjae Yoo , Seung-Ki Sul, Hoyong Jang and Youngho Hong, “Design of a Variable Speed Compressor Drive System for Air-Conditioner without Electrolytic Capacitor”, IAS 2007, Sep. 2007.

209. Tae-Suk Kwon, Seung-Ki Sul, Luigi Alberti, Nicola Bianchi, “Design and Control of an Axial Flux Machine for a wide Flux-Weakening Operation Region”, IAS2007, Sep. 2007.

208. Jung-Sik Yim, Seung-Ki Sul, Bon-Ho Bae, Nitin Patel and Silva Hiti, “Control Issues of High Pole Count Machines at High Speed Operation”, IAS2007, Sep. 2007.

207. Gi-Young Choi, Mu-Shin Kwak, Tae-Suk Kwon and Seung-Ki Sul, “Novel Flux-Weakening Control of an IPMSM for Quasi Six-Step Operation”, IAS2007, Sep. 2007.

206. So-Yeon Kim, Young-Doo Yoon,Seung-Ki Sul,”  Suppression of the Thrust Loss for the Maximum Thrust Operation in the Electric Propulsion Ship”, IEEE Electric Ship Technologies Symposium 2007, Mar. 2007.

205. Hyunjae Yoo, Seung-Ki Sul, Yongho Park, Jongchan Jeong, “System Integration and Power Flow Management for a Series Hybrid Electric Vehicle using Super-capacitors and Batteries”, Twenty-Second Annual IEEE APEC 2007, Feb. 2007.

204. Jang-Hwan Kim, Seung-Ki Sul, “PWM Method of a Three-Level Neutral-Point-Clamped Converter under Neutral Point Imbalance Condition”, Twenty-Second Annual IEEE APEC 2007, Feb. 2007.

203. Young-Doo Yoon, Seung-Ki Sul, “Carrier-based Modulation Method for Matrix Converter with Input Power Factor Control and under Unbalanced Input Voltage Conditions”, Twenty-Second Annual IEEE APEC 2007, Feb. 2007.

202. Mu-Shin Kwak, Seung-Ki Sul, “Control of an Open Winding Machine in a Grid-Connected Distributed Generation System”, IEEE / IAS 41st Annual Meeting, Oct. 2006.

201. Parag Kshirsagar, Rolando P Burgos, Alessandro Lidozzi, Jihoon Jang, Fred Wang, Dushan Boroyevich, and Seung-Ki Sul, “Implementation and Sensorless Vector-Control Design and Tuning Strategy for SMPM Machines in Fan-Type Applications”, IEEE / IAS 41st Annual Meeting, Oct. 2006.

200. Tae-Suk Kwon, Seung-Ki Sul, Hiroshi Nakamura, Kazuhiro Tsuruta, “Identification of the Mechanical Parameters for Servo Drive”, IEEE / IAS 41st Annual Meeting, Oct. 2006.

199. Nicola Bianchi, Silverio Bolognani, Ji–Hoon Jang, Seung–Ki Sul, “Advantages of inset PM machines for zero–speed sensorless position detection”, IEEE / IAS 41st Annual Meeting, Oct. 2006.

198. Wook-Jin Lee and Seung-Ki Sul, “A Protection of the Electrolytic Capacitor-less Drive System against the Input Grid Interruption”, IEEE / IAS 41st Annual Meeting, Oct. 2006.

197. Mu-Shin Kwak and Seung-Ki Sul, “Control of an Open Winding Machine in Grid-Connected Distributed Generation System”, 4rd International Joint-Workshop on Power Electronics and Motion Control, Mar. 2006.

196. Mu-Shin Kwak and Seung-Ki Sul, “Optimum Energy Management of Micro-Grid”, 3rd International Joint-Workshop on Power Electronics and Motion Control, Mar. 2005.

195. Hyosung Kim, Jun-Keun Ji, Jang-Hwan Kim and Seung-Ki Sul, “Novel Topology of a Line Interactive UPS Using PQR Instantaneous Power Theory”, 3rd International Joint-Workshop on Power Electronics and Motion Control, Oct. 2006.

194. Yu-Seok Jeong and Seung-Ki Sul, “On-line Minimum-Copper-Loss Control of an Interior Permanent-Magnet Synchronous Machine for Automotive Applications”, 3rd International Joint-Workshop on Power Electronics and Motion Control, Oct. 2006.

193. Seung-Ki Sul, Sang-Min Kim,” Hybrid Rubber Tyred Gantry Crane with Supercapacitive Energy Storage Device”, 3rd International Joint-Workshop on Power Electronics and Motion Control, Oct. 2006.

192. Mu-Shin Kwak, Seung-Ki Sul, “Control of an Open Winding Machine in a Grid-Connected Distributed Generation System”, IEEE Industry Applications Conference(IAS), Oct. 2006.

191. Jang-Hwan Kim, Seung-Ki Sul, “Carrier-based Pulse Width Modulation for Three-Level Inverters: Neutral Point Potential and Output Voltage Distortion”, 5th International Power Electronics and Motion Control Conference(IEEE IPEMC), Aug. 2006.

190. Mu-Shin Kwak, Seung-Ki Sul, “Control of Utility Connected Gas Engine Generation System”, IEEE Power Electronics Specialists Conference(IEEE PESC 2006), Jul. 2006.

189. Robert U. Lenke, Rik W. De Doncker, Mu-Shin Kwak, Tae-Suk Kwon, Seung-Ki Sul, “Field Weakening Control of Interior Permanent Magnet Machine using Improved Current Interpolation Technique”, IEEE Power Electronics Specialists Conference(IEEE PESC 2006), Jul. 2006.

188. Nicola Bianchi, Silverio Bolognani, Ji–Hoon Jang, Seung–Ki Sul, “Comparison of PM motor structures and sensorless control techniques for zero–speed rotor position detection”, IEEE Power Electronics Specialists Conference(IEEE PESC 2006), Jul. 2006.

187. Kozo Ide, Hyun-Soo Song, Mamoru Takaki, Shinya Morimoto, Seung Ki-Sul, “Fast Initial Pole-Position Estimation for Non-Salient PM-LSM Based on Agreement of Two Reference Frames”, IEEE Power Electronics Specialists Conference(IEEE PESC 2006), Jul. 2006.

186. L. Asiminoaei, E. Aeloiza, J. H. Kim, P. Enjeti, F. Blaabjerg, L. T. Moran, S. K. Sul, “Parallel Interleaved Inverters for Reactive Power and Harmonic Compensation”, IEEE Power Electronics Specialists Conf, Jul. 2006.

185. L. Asiminoaei, E. Aeloiza, J. H. Kim, P. Enjeti, F. Blaabjerg, L. T. Moran, S. K. Sul, “An Interleaved Active Power Filter with Reduced Size of Passive Components”, IEEE Applied Power Electronics Conference and Exposition(IEEE APEC), Mar. 2006.

184. Bon-Ho Bae, Seung-Ki Sul, “Practical Design Criteria of Interior Permanent Magnet Synchronous Motor for 42V Integrated Starter-Generator”, International Electric Machines and Drives Conference(IEMDC), Jun. 2003.

183. Hyunjae Yoo, Seung-Ki Sul, “Novel Current Control Strategy for Maximum Tracking Operation under Saturated Voltage Condition”, IEEE Industry Applications Conference Fortieth IAS Annual Meeting(IEEE IAS), Oct. 2005.

182. Tae-Suk Kwon, Seung-Ki Sul, “Novel Anti-Windup of a Current Regulator of a Surface-Mounted Permanent-Magnet Motor for Flux-Weakening Control”, IEEE Industry Applications Conference Fortieth IAS Annual Meeting(IEEE IAS), Oct. 2005.

181. Yu-seok Jeong, Seung-Ki Sul, “Analysis and Design of a Decoupling Current Controller for AC Machines: A unified transfer-matrix approach”, IEEE Industry Applications Conference Fortieth IAS Annual Meeting(IEEE IAS), Oct. 2005.

180. Jang-Hwan Kim, Seung-Ki Sul, Prasad N. Enjeti, “A Carrier-Based PWM Method with Optimal Switching Sequence for a Multi-level Four-leg VSI”, IEEE Industry Applications Conference Fortieth IAS Annual Meeting(IEEE IAS), Oct. 2005.

179. Yu-Seok Jeong, Seung-Ki Sul, “Adaptive flux observer with on-line inductance estimation of an interior permanent-magnet synchronous machine considering magnetic saturation” , IEEE 36th Annual Power Electronics Specialists Conference(IEEE PESC), Jun. 2005.

178. Sang-Min Kim, Seung-Ki Sul, “Control of Rubber Tyred Gantry Crane with Energy Storage Based on Supercapacitor Bank”, IEEE 36th Annual Power Electronics Specialists Conference(IEEE PESC) , Jun. 2005.

177. Jang-Hwan Kim, Hyun-Jae Yoo, Seung-Ki Sul, “Sensorless Operation of a PWM Rectifier for En-Gen Set as a Distributed Generation”, IEEE Applied Power Electronics Conference and Exposition(APEC 2005), Mar. 2005.

176. Gi-Young Choi, Mu-Shin Kwak, Tae-Suk Kwon, Seung-Ki Sul, “Novel Flux-Weakening Control of an IPMSM for Quasi Six-Step Operation”, Industry Applications Conference, 2007. 42nd IAS Annual Meeting. Conference Record of the 2007 IEEE, Sep. 2007.

175. Tae-Suk Kwon, Dong-Hoon Lee, Seung-Ki Sul, “Reduction of Engine Torque Ripple at Starting with Belt Driven Integrated Starter Generator”, IEEE Applied Power Electronics Conference and Exposition(APEC 2005) , Mar. 2005.

174. Yu-Seok Jeong, Seung-Ki Sul, Silva Hiti, Khwaja Rahman, “On-Line Minimum-Copper-Loss Control of an Interior Permanent-Magnet Synchronous Machine for Automotive Applications”, IEEE Applied Power Electronics Conference and Exposition(APEC 2005), Mar. 2005.

173. Hyung-Min Ryu and Seung-Ki Sul, “Multiple d-q Spaces Concept for Multi-Phase AC Motor Drive”, 2004 International Conference on Power Electronics(ICPE) , Oct. 2004.

172. Hyosung Kim, Seung-Ki Sul, “The Behavior of Filter Inductor Current on Controlling Filter Capacitor Voltage of Output LC Filters for PWM Inverters”, 2004 International Conference on Power Electronics(ICPE) , Oct. 2004.

171. Wook-Jin Lee and Seung-Ki Sul, “A New Starting Method of BLDC Motors without Position Sensor”, IEEE Industry Applications Conference 39th IAS Annual Meeting, Jun. 2004

170. Hyosung Kim, Jun-Keun Ji , Jang-Hwan Kim, Seung-Ki Sul, Kyung-Hwan Kim, “Novel Topology of a Line Interactive UPS Using PQR Instantaneous Power Theory”, IEEE Industry Applications Conference 39th IAS Annual Meeting, Jun. 2004

169. Jang-Hwan Kim, Seung-Ki Sul, Hyosung Kim, and Jun-Keun Ji, “A PWM Strategy for Four-Leg Voltage Source Converters and Applications to a Novel Line Interactive UPS in a Three-Phase Four-Wire System”, IEEE Industry Applications Conference 39th IAS Annual Meeting, Oct. 2004.

168. Young-Hoon Cho, Seung-Ki Sul, “Controller Design for Dynamic Voltage Restorer with Harmonics Compensation Function”, IEEE Industry Applications Conference 39th IAS Annual Meeting, Oct. 2004.

167. Hyung-Min Ryu, Ji-Woong Kim, and Seung-Ki Sul, “Synchronous Frame Current Control of Multi-Phase Synchronous Motor(Part II. Asymmetric Fault Condition due to Open Phases)”, IEEE Industry Applications Conference 39th IAS Annual Meeting, Oct. 2004.

166. Hyung-Min Ryu, Ji-Woong Kim, and Seung-Ki Sul, “Synchronous Frame Current Control of Multi-Phase Synchronous Motor(Part I. Modeling and Current Control Based on Multiple d-q Spaces Concept Under Balanced Condition)”, IEEE Industry Applications Conference 39th IAS Annual Meeting, Oct. 2004.

165. Jun-Keun Ji, Jang-Hwan Kim, Seung-Ki Sul, Hyo-Sung Kim, “A Novel Three-Phase Line-Interactive UPS System with Parallel-Series Active Power-Line Conditioning Capabilities Using AC Line Reactor”, The 30th Annual Conference of the IEEE Industrial Electronics Society(IECON), Nov. 2004.

164. HyoSung Kim, Jang-Hwan Kim, Seung-Ki Sul, “A Design Consideration of Output Filters for Dynamic Voltage Restorers”, 2004 35th Annual IEEE Power Electronics Specialists Conference(PESC), Jun. 2004.

163. Mu-Shin Kwak, Seung-Ki Sul, “Partial Excitation Method with Hall Sensors for Dual Moving Magnet Linear Synchronous Motor”, 2004 35th Annual IEEE Power Electronics Specialists Conference(PESC), Jun. 2004.

162. Hyung-Min Ryu, Jang-Hwan Kim, and Seung-Ki Sul, “Analysis of Multi-Phase Space Vector Pulse Width Modulation Based on Multiple d-q Spaces Concept”, The 4th International Power Electronics and Motion Control Conference(IPEMC), Aug. 2004.

161. Hyosung Kim, Seung-Ki Sul, “A Novel Voltage Controller on Dynamic Voltage Restorers by Use of Feed forward and State Feedback Scheme”, German-Korean Symposium 2004 on Power Electronics and Electrical Drives, Jun. 2004.

160. Seung-Ki Sul, Bon-Ho Bae, Seok-Young Yun, “A Circuit Topology for 42V/14V Jump Starting”, The 19th International Battery, Hybrid and Fuel Cell Electric Vehicle Symposium & Exhibition, Oct. 2002.

159. Hyo-Sung Kim, Sang-Joon Lee, Seung-Ki Sul, “Reference Wave Generation in Dynamic Voltage Restorers by Use of PQR Power Theory”, 2004 IEEE Applied Power Electronics Conference (APEC), Feb. 2004.

158. Jung-Sik Yim, Seung-Ki Sul, Hyeong-Joon Ahn, Dong-Chul Han, “Sensorless Position Control of Active Magnetic Bearings Based on High Frequency Signal Injection with Digital Signal Processing”, 2004 IEEE Applied Power Electronics Conference (APEC), Feb. 2004.

157. Sang-Joon Lee, Hyosung Kim, Seung-Ki Sul, “A Novel Control Method for the Compensation Voltages in Dynamic Voltage Restorers”, 2004 IEEE Applied Power Electronics Conference (APEC), Feb. 2004.

156. Hyosung Kim, Sang-Joon Lee, Seung-Ki Sul, “A Calculation for the Compensation Voltages in Dynamic Voltage Restorers by use of PQR Power Theory”, 2004 IEEE Applied Power Electronics Conference(APEC) , Feb. 2004.

155. Jang-Hwan Kim, Seung-Ki Sul, “Overmodulation Strategy for a Three-Phase Four-Leg Voltage Source Converter”, Industry Applications Society (IAS), Oct. 2003.

154. Bon-Ho Bae, Nitin Patel, Steven Schulz, Seung-Ki Sul, “New Field Weakening Technique for High Saliency Interior Permanent Magnet Motor”, Industry Applications Society (IAS), Oct. 2003.

153. Yo-Chan Son, Seung-Ki Sul, “Generalization of Active Filters for EMI Reduction and Harmonics Compensation”, Industry Applications Society (IAS), Oct. 2003.

152. Yu-Seok Jeong, Seung-Ki Sul, Steven Schulz, Nitin Patel, “Fault Detection and Fault Tolerant Control of Interior Permanent Magnet Motor Drive System for Electric Vehicle”, Industry Applications Society(IAS) , Oct. 2003.

151. Ji-Hoon Jang, Seung-Ki Sul, Yo-Chan Son, “Current Measurement Issues in Sensorless Control Algorithm using High Frequency Signal Injection Method”, Industry Applications Society(IAS) , Oct. 2003.

150. Ji-Hoon Jang, Seung-Ki Sul, Jung-Ik Ha, Motomichi Ohto, Kozo Ide, “Analysis of Permanent Magnet Machine for Sensorless Control based on High Frequency Signal”, Industry Applications Society(IAS) , Oct. 2003.

149. Yong-Seok Kim, Hyungbo Shim, Hidemasa Yoshihara, Haoki Fujioka, Hideshi Kasahara, Seung-Ki Sul, “A New Vision-Sensorless Anti-Sway Control System for Container Cranes”, Industry Applications Society(IAS) , Oct. 2003.

148. Hyung-Min Ryu, Jung-Ik Ha, Seung-Ki Sul, Kozo Ide, Yoichi Yamamoto, Eiji Watanabe, “Compensation of Voltage Distortion in PWM-VSI by Prediction of Stator Currents at Switching Point”, Conf. Rec. IEEJ, Aug. 1999.

147. Yu-seok Jeong, Robert D. Lorenz, Thomas M. Jahns, and Seung-Ki Sul, “Initial Rotor Position Estimation of an Interior Permanent Magnet Synchronous Machine Using Carrier-Frequency Methods”, International Electric Machines and Drives Conference(IEMDC), Jun. 2003.

146. Jung-Sik Yim, Jang-Hwan Kim, Seung-Ki Sul, Hyeong-Joon Ahn, Dong-Chul Han, “Sensorless Position Control of Active Magnetic Bearings Based on High Frequency Signal Injection Met ” , IEEE Applied Power Electronics Conference and Exposition(APEC), Feb. 2003.

145. Hyung-Min Ryu, Sung-Jun Kim, Seung-Ki Sul, Tae-Seok Kwon, Ki-Su Kim, Young-Seok Shim, Ki-Riong Seok, “Dynamic Load Simulator for High-Speed Elevator System”, PCC (Power Conversion Conference)-Osaka, Apr. 2002.

144. Jang-Hwan Kim, Jong-Woo Choi, Seung-Ki Sul, “High Precision Position Control of Linear Permanent Magnet Synchronous Motor for Surface Mount Device Placement System”, Power Conversion Conference-Osaka(PCC-Osaka), Apr. 2002.

143. Yo-Chan Son, Bon-Ho Bae, Seung-Ki Sul, “Sensorless Operation of Permanent Magnet Motor Using Direct Voltage Sensing Circuit”, IEEE Industry Applications Conference (IAS), Oct. 2002.

142. Bon-Ho Bae, Seung-Ki Sul, “A Novel Dynamic Overmodulation Strategy for Fast Torque Control of High Saliency Ratio AC Motor”, IEEE IEEE Industry Applications Conference (IAS), Oct. 2002.

141. Jung-Ik Ha, Motomichi Ohto, Ji-Hoon Jang, Seung-Ki Sul, “Design and Selection of AC Machines for Saliency-based Sensorless Control”, IEEE Industry Applications Conference(IAS), Oct. 2002.

140. Hyung-Min Ryu, Seung-Ki Sul, “Position Control for Direct Landing of Elevator using Time-based Position Pattern Generation “, IEEE Industry Applications Conference(IEEE IAS) , Oct. 2002.

139. Mu-Shin Kwak, Seung-Ki Sul, “A New Method of Partial Excitation for Dual Moving Magnet Linear Synchronous Motor”, IEEE Industry Applications Conference (IAS), Oct. 2002.

138. Yo-Chan Son, Seung-Ki Sul, “A Novel Active Common-Mode EMI Filter for PWM Inverter”, IEEE Applied Power Electronics Conference and Exposition (APEC), Jan. 2002.

137. Ji-Hoon Jang, Seung-Ki Sul, Jung-Ik Ha, Kozo Ide, Sawamura, M, “Sensorless Drive of SMPM Motor by High Frequency Signal Inject”, IEEE Applied Power Electronics Conference and Exposition (APEC), Jan. 2002.

136. Yong-Seok Kim, Han-Suk Seo, Seung-Ki Sul, “A New Anti-Sway Control Scheme for Trolley Crand System”, IEEE Industry Applications Conference (IAS), Oct. 2001.

135. Bon-Ho Bae, Seung-Ki Sul, “A Compensation Method for Time Delay of Full Digital Synchronous Frame Current Regulator of PWM ac Drives”, IEEE Industry Applications Conference (IAS), Oct. 2001.

134. Jung-Ik Ha, Kozo Ide, Toshihiro Sawa, Seung-Ki Sul, “Sensorless Position Control and Initial Position Estimation of an Interior Permanent Magnet Motor”, IEEE Industry Applications Conference (IAS), Jan. 2001.

133. Yo-Chan Son, Seung-Ki Sul, “Conducted EMI in PWM Inverter for Household Electric Appliance”, IEEE Industry Applications Conference (IAS), Jan. 2001.

132. Bon-Ho Bae, Seung-Ki Sul, Jeong-Hyeck Kwon, Jong-Sub Shin, “Implementation of Sensorless Vector Control for Super-High Speed PMSM of Turbo-Compressor”, IEEE Industry Applications Conference (IAS), Jan. 2001.

131. Jang-Hwan Kim, Jong-Woo Choi and Seung-Ki Sul, “Novel Rotor Flux Observer Using Observer Characteristic Function in Complex Vector Space for Field Oriented Induction Motor Drives”, IEEE Applied Power Electronics Conference and Exposition (APEC), Mar. 2001.

130. Ji-Hoon Jang, Jung-Ik Ha and Seung-Ki Sul, “Vector Control of Surface Mounted Permanent Magnet Motor without any Rotational Transducer”, IEEE Applied Power Electronics Conference and Exposition (APEC), Mar. 2001.

129. Jeong-Uk Lee, Chang-Ho Choi, Seung-Ho Song, Seung-Ki Sul, Dong-Seuk Hyun, “On-Line Compensation of Friction Loss for Continuous Strip Processing Line”, IEEE Industry Application Conference (IAS), Jan. 2000.

128. Yong-Seok Kim and Seung-Ki Sul, “A Novel Ride-Through System for Adjustable Speed Drives Using Common-Mode Voltage”, IEEE Industry Application Conference (IAS), Jan. 2000.

127. Hee-Jung Kim, Hyeoun-Dong Lee, and Seung-Ki Sul, ”A New PWM Strategy for Common Mode Voltage Reduction in Neutral-Point Clamped Inverter-Fed Ac Motor Drives”, IEEE Industry Application Conference (IAS), Jan. 2000.

126. Hee-Jung Kim, Dae-Woong Jung, and Seung-Ki Sul, “A New Discontinuous PWM Strategy of Neutral-Point Clamped Inverter”, IEEE Industry Application Conference (IAS),Oct. 2000.

125. Bon-Ho Bae, Gi-Bum Kim and Seung-Ki Sul, “Improvement of Low Speed Characteristics of Railway Vehicle by Sensorless Control Using High Frequency Injection”, IEEE Industry Application Conference (IAS), Oct. 2000.

124. Jung-Ik Ha, Seung-Ki Sul, Kozo Ide, Ikuma Murokita, Kohjiro Sawamura, “Physical Understanding of High Frequency Injection method to Sensorless Drives of an Induction Machine”, IEEE Industry Application Conference (IAS), Oct. 2000.

123. Hyung-Min Ryu, Jung-Ik Ha, and Seung-Ki Sul, “A New Sensorless Thrust Control of Linear Induction Motor”, Conf. Rec. IEEE-IAS Annual Meeting, Oct. 2000.

122. Hyeoun-Dong Lee, Hee-Jung Kim and Seung-Ki Sul, “A New Strategy for Reducing Common Mode Voltage in Netral-Point Clamped Inverter-Fed AC Motor Drives”, Proceedings of the 2000 IPEC-TOKYO, Apr. 2000.

121. Kozo Ide, Ikuma Murokita, Mitsujiro Sawamura, Motomichi Ohto, Yukio Nose, Jung-Ik Ha, and Seung-Ki Sul, “Finite Element Analysis of Sensorless Induction Machine by High Frequency Voltage Injection”, Proceedings of the 2000 IPEC-TOKYO, Apr. 2000.

120. Bon-Ho Bae, Seung-Ki Sul, Sang-Hoon Kim, Il-Ho Lee and Sung-Soo Han, “Application of Vector Control to Railway Vehicle”, Proceedings of the 2000 IPEC-TOKYO, Apr. 2000.

119. Sang-Joon Lee, Seung-Ki Sul, “A Harmonic Reference Frame Based Current Controller for Active Filter”, IEEE Applied Power Electronics Conference and Exposition (APEC), Apr. 2000.

118. Hyeoun-Dong Lee, Yo-Chan Son, and Seung-Ki Sul, “A New Space Vector Pulsewidth Modulation Strategy for Reducing Ground to Stator-Neutral Voltage in Inverter-Fed AC Motor Drives”, IEEE Applied Power Electronics Conference and Exposition (APEC) Apr. 2000.

117. Jun-Koo Kang, Dae-Woong Chung, Seung-Ki Sul, “Direct torque Control of Induction Machine with Variable Amplify of Flux and Torque Hysteresis Bands”, Electric Machines and Drives, International Conference IEMD, May. 1999.

116. Jun-Keun Ji, Seung-Ki Sul, “Operation Analysis and New Current Control of Parallel Connected Dual Converter System without Interphase Reactors”, in Conf. Rec. IEEE-IECON, Nov. 1999.

115. Sang-Joon Lee, Jun-Koo Kang, Seung-Ki Sul, “A New Phase Detecting Method for Power Conversion Systems Considering Distorted Conditions in Power-System”, in Conf. Rec. IEEE-IAS Annu, Meeting, Oct. 1999.

114. Hyeoun-Dong Lee, Seung-Ki Sul, “Common Mode Voltage Reduction Method Modifying the Distribution of Zero Voltage Vector in PWM Converter/Inverter System”, in Conf. Rec. IEEE-IAS Annu, Meeting, Oct. 1999.

113. Young-Min Lee, Jun-Koo Kang, Seung-Ki Sul, “Acceleration Feedback Control Strategy for Improving Riding Quality of Elevator System”, in Conf. Rec. IEEE-IAS Annu, Meeting, Oct. 1999.

112. Hyun-Sung Choi, Seung-Ki Sul, “Automatic Commissioning for Vector-Controlled ac Motors Using Walsh Functions”, in Conf. Rec. IEEE-IAS Annu, Meeting, Oct. 1999.

111. Woo-Seok Kim, Yong-Seok Kim, Jun-Koo Kang, Seung-Ki Sul, “Electro-Mechanical Re-adhesion Control Simulator for Inverter-Drive Railway Electric Vehicle”, in Conf. Rec. IEEE-IAS Annu, Meeting, Oct. 1999.

110. Seung-Ho Song, Seung-Ki Sul,” Design and Control of Multi-span Tension Simulator”, in Conf. Rec. IEEE-IAS Annu, Meeting, Oct. 1999.

109. Dae-Woong Chung, Hyung-Min Ryu, Seog-Joo Kang, Jun-Ho Song, Joong-Seok Yoon, Young-Min Lee, Lo-Won Kang, Kil-Haeng Lee, Jong-Ho Seo, Seung-Ki Sul,”  A New Configuration of Drive System for High Speed Gearless Elevator ” , Conf. Rec. IEEE-IAS Annual Meeting , Oct. 1999.

108. Hyeoun-Dong Lee, Seung-Ki Sul, “A Common-Mode voltage Reduction in Converter-Inverter System by Shifting Active Space Vector in a Sampling Period ” , in Conf. Rec. IEEE-APEC Annu, Meeting, Mar. 1999.

107. Yo-Chan Son, Seung-Ho Song, Seung-Ki Sul, “Analysis and Compensation of Current Sampling Error in AC Drive with Discontinuous PWM”, in Conf. Rec. IEEE-APEC Annu, Meeting, Mar. 1999.

106. Bon-Ho Bae, Sang-Hoon Kim, Seung-Ki Sul, “A New Overmodulation Strategy for Traction Drive”, in Conf. Rec. IEEE-APEC Annu, Meeting, Mar. 1999.

105. Dae-Woong Chung, Seung-Ki Sul, “A New Dynamic Overmodulation Strategy for High Performance Torque Control of Induction Motor”, in Conf. Rec. IEEE-APEC Annu, Meeting, Mar. 1999.

104. Hyeoun-Dong, Seung-Ki Sul, “Common-Mode Voltage Pulse Cancellation Method Based on Spage-Vector PWM in Converter-Inverter System”, International Conference on Power Electronics (ICPE), Jan. 1998.

103. Dae-Woong Chung, Seung-Ki Sul, “Maximum Torque Control in Overmodulation Region for Vector Controlled Induction Machine”, International Conference on Power Electronics (ICPE), Jan. 1998.

102. Seung-Ho Song, Seung-Ki Sul, “A New Tension Controller for Continuous Strip Processing Line”, in Conf. Rec. IEEE-IAS Annu, Meeting, Oct. 1998.

 

101. Euh-Suh Koo, Hyeoun-Dong Lee, Seung-Ki Sul, Joohn-Sheok Kim, “Torque Control Strategy for a Parallel Hybrid Vehicle Using Fuzzy Logic”, in Conf. Rec. IEEE-IAS Annu, Meeting, Oct. 1998.

100. Hyeoun-Dong Lee, Seung-Ki Sul, Han-Sang Cho, Jang-Moo Lee,”  Advanced Gear Shifting and Clutching Strategy for Parallel Hybrid Vehicle with automated manual transmission ” , in Conf. Rec. IEEE-IAS Annu, Meeting, Oct. 1998.

99. Yong-Seok Kim, Seung-Ki Sul, ”On-Line Estimation of IGBT Junction Temperature Using On-State Voltage Drop”, in Conf. Rec. IEEE-IAS Annu, Meeting , Oct. 1998.

98. Seog-Joo Kang, Jung-Ik Ha, Seung-Ki Sul, “Position Controlled Synchronous Reluctance Motor Without Rotational Transducer”, in Conf. Rec. IEEE-IAS Annu, Meeting, Oct. 1998.

97. Jul-Ki Seok, Seung-Ki Sul, “Induction Motor Parameter Tuning for High Performance Drives”, in Conf. Rec. IEEE-IAS Annu, Meeting, Oct. 1998.

96. Jun-Koo Kang, Seung-Ki Sul, “Torque Ripple Minimization Strategy for Direct Torque Control of Induction Motor”, in Conf. Rec. IEEE-IAS Annu, Meeting, Jan. 1998.

95. Seog-Joo Kang, Seung-Ki Sul,” CONTROL OF SYNCHRONOUS RELUCTANCE MOTOR WITHOUT ROTATIONAL TRANSDUCER”, The International Conference on Electrical Engineering (ICEE), Jan. 1998.

94. Jang-Mok Kim, Chan-Ki Kim, Hong-Woo Rhew, Seung-Ki Sul, “Vector Control of Interior Permanent Magnet Synchronous Motor without a Shaft Sensor”, The International Conference on Electrical Engineering (ICEE), Jan. 1998.

93. Jun-Keun Ji, Hyun-Dong Lee, Seung-Ki Sul, “CURRENT HARMONIC REDUCTION TECHNIQUE FOR THE HIGH POWER INVERTER WITH PARALLEL OPERATION”, The International Conference on Electrical Engineering (ICEE), Jan. 1998.

92. Jun-Koo Kang, Seung-Ki Sul, “Analysis of Input Voltage Unbalance and Deign of Current Controller for PWM Boost Rectifier”, The International Conference on Electrical Engineering (ICEE), Jan. 1998.

91. Jun-Keun Ji, Seung-Ki Sul, “Predictive Current Control of 12-Pulse Parallel Connected Dual Converter System Without Interphase Reactors”, The International Conference on Electrical Engineering (ICEE), Jan. 1998.

90. Jung-Ik Ha, Seung-Ki Sul, “Sensorless Field Orientation Control by High Frequency Injection for Overall Frequency Range Induction Machine Drives”, The International Conference on Electrical Engineering (ICEE), Jan. 1998.

89. Seung-Ho Song, Jong-Woo Choi, Seung-Ki Sul, “Transient Torque Maximizing Strategy of Induction Machine in Field Weakening Region”, in Conf. Rec. IEEE-IAS Annu, Meeting, May. 1998.

88. Siyoung Kim, Seung-Ki Sul, T.A Lipo, “AC to AC Power Conversion Based on Matrix Converter Topology With Unidirectional Switches”, in Conf. Rec. IEEE-APEC Annu, Meeting, Feb. 1998.

87. Seung-Ho Song, Seung-Ki Sul, “An Instantaneous Speed Observer for Lowe Speed Control of ac Machine ” , in Conf. Rec. IEEE-APEC Annu, Meeting, Feb. 1998.

86. Yong-Seok Kim, Seung-Ki Sul, “On-Line Estimation of IGBT Junction Temperature Using On-State Voltage Drop”, Applied Electromagnetics Power Systems and Controls, Jan. 1997.

85. Siyoung Kim, Seung-Ki Sul, “AC to AC Power Conversion with Unidirectional Switches”, Applied Electromagnetics Power Systems and Controls, Jan. 1997.

84. Euh-Suh Koo, Seung-Ki Sul, “Torque Control Strategy for Parallel Type Hybrid Electric Vehicle Using Artificial Intelligence”, Applied Electromagnetics Power Systems and Controls, Jan. 1997.

83. Seok-Ho Jeon, Jang-Mok Kim, Kyung-Chul Jung, Seung-Ki Sul, Jin-Young Choi, “Decoupling Control of Bridle Rolls for Steel Mill Drive System”, in Conf. Rec. IEEE-IAS Annu, Meeting, Jan. 1997.

82. Jul-Ki Seok, Dae-Woong Chung, Seung-Ho Song, Seung-Ki Sul, “A New Approach to Advanced Cold Mill Drive Systems ” , in Conf. Rec. IEEE-IAS Annu, Meeting, Jan. 1997.

81. Ahmet M.Hava, Seung-Ki Sul, Russel J.Kerkman, Thomas A.Lipo, “Dynamic Overmodulation Characteristics of Triangle Intersection PWM Methods”, Iin Conf. Rec. IEEE-IAS Annu, Meeting, Jan. 1997.

80. Hyeoun-Dong Lee, Seung-Ki Sul, “Diesel Engine Ripple Torque Minimization for Parallel Type Hybrid Electric Vehicle”, in Conf. Rec. IEEE-IAS Annu, Meeting, Jan. 1997.

79. Jun-Koo Kang, Seung-Ki Sul, “Application of Nonlinear Observers for Elevator Vibration Control”, in Conf. Rec. IEEE-IAS Annu, Meeting, Jan. 1997.

78. Jung-Ik Ha, Seung-Ki Sul, “Sensorless Field Orientation Control of an Induction Machine by High Frequency Signal Injection”, in Conf. Rec. IEEE-IAS Annu, Meeting, Jan. 1997.

77. Jang-Mok Kim, Seog-Joo Kang, Seung-Ki Sul, “Vector Control of Interior Permanent Magnet Synchronous Motor Without a Shaft Sensor”, in Conf. Rec. IEEE-APEC Annu, Meeting, Jan. 1997.

76. Jong-Woo Choi, Seung-Ki Sul, “A Novel 3-Phase ac Current Control Technique with Fast Response and High Accuracy ” , in Conf. Rec. IEEE-APEC Annu, Meeting, Feb. 1997.

75. Sung-Jun Kim, Seung-Ki Sul, “A Novel Filter Design for Suppression of High Voltage Gradient in Voltage-Fed PWM Inverter”, in Conf. Rec. IEEE-APEC Annu, Meeting, Feb. 1997.

74. Jul-Ki Seok, Seung-Ki Sul, “Optimal Flux Selection for Maximum Torque Operation of an Induction Machine in the Flux Weakening Region”, in Conf. Rec. IEEE-PESC Annu, Meeting, Jun. 1997.

73. Dae-Woong Chung, Seung-Ki Sul,” Minimum-Loss PWM Strategy for 3-Phase PWM Rectifier”, in Conf. Rec. IEEE-PESC Annu, Meeting, Jun. 1997.

72. Jun-Koo Kang, Seung-Ki Sul, “Control of Unbalanced Voltage PWM Converter Using Instantaneous Ripple Power Feedback”, in Conf. Rec. IEEE-PESC Annu, Meeting, Jun. 1997.

71. Ki-Tae Park, Jun-Koo Kang, Seung-Ki Sul, “Analysis and Design of Three-Phase Boost PWM Converter against Power Disturbances”, Proceedings of the Power Conversion Conference-Nagaoka (PCC-Nagaoka), Jan. 1997.

70. Dae-Woong Chung, Seung-Ki Sul, Joohn-Sheok Kim, “Unified PWM Technique for Real Time Power Conversion”, Proceedings of the Power Conversion Conference-Nagaoka (PCC-Nagaoka), Jan. 1997.

69. Yu-seok Jeong, Eok Namgoong, Seung-Ki Sul, “Torque Steering Control of 4-Wheel Drive Electric Vehicle”, IEEE Workshop on Power Electronics in Transportation, Jan. 1996.

68. Jung Ik Ha, Euh Suh Koo, Hyeoun Dong Lee, Joohn-Sheok Kim, Seung Ki Sul, “Advanced Control Strategy of Parallel Hybrid Low Emission Electric Vehicle”, IEEE Workshop on Power Electronics in Tranportation, Jan. 1996.

67. Seog-Joo Kang, Seung-Ki Sul, “Direct Torque Control of Synchronous Reluctance Motor”, The Second Small Motor International Conference (SMIC), Jan. 1996.

66. Jong-Hwan Song, Seung-Ki Sul, “Flux Weakening Control of SPMSM Considering Voltage and Current Limitations of PWM Inverter”, The Second Small Motor International Conference (SMIC), Jan. 1996.

65. Jang-Mok Kim, Kitae Park, Seung-Ki Sul, Jung-Lock Kwon, “Maximum Torque Operation of interior Permanent Magnet Synchronous Motor in Flux-Weakening Control”, The Second Small Motor International Conference (SMIC), Jan. 1996.

64. Dae-Woong Chung, Joohn-Sheok Kim, Seung-Ki Sul, “Unified Voltage Modulation Technique for Real Time Three-Phase Power Conversion”, in Conf. Rec. IEEE-IAS Annu, Meeting, Jan. 1996.

63. Dae-Woong Chung, Seung-Ki Sul, Dong-Choon Lee, “Analysis and Compensation of Current Measurement Error in Vector Controlled AC Motor Drives”, in Conf. Rec. IEEE-IAS Annu, Meeting, Jan. 1996.

62. Seung-Ho Song, Jong-Woo Choi, Seung-Ki Sul, “Current Measurement of Digital Filed Oriented Control”, in Conf. Rec. IEEE-IAS Annu, Meeting, Jan. 1996.

61. Jul-Ki Seok, Seung-Ki Sul, “Pseudo-Rotor Flux Oriented Control for Deep Bar Effect Compensation”, in Conf. Rec. IEEE-IAS Annu, Meeting, Jan. 1996.

60. Seog-Joo Kang, Seung-Ki Sul, “Efficiency Optimized Vector Control of Synchronous Reluctonce Motor”, in Conf. Rec. IEEE-IAS Annu, Meeting, Jan. 1996.

59. Heui-Wook Kim, Jung-Won Kim, Seung-Ki Sul, “Thrust Ripple Free Control of Cylindrical Linear Synchronous Motor Using Finite Element Method”, in Conf. Rec. IEEE-IAS Annu, Meeting, Jan. 1996.

58. Jong-Hwan Song, Seung-Ki Sul, “Torque Maximizing Control of Permanent Magnet Synchronous Motor under Voltage and Current Limitations of PWM Inverter”, in Conf. Rec. IEEE-APEC Annu, Meeting, Mar. 1996.

57. Duk-Bae Suh, Jong-Woo Choi, Seung-Ki Sul, “Voltage Gradient Suppression in Application of Voltage-Fed PWM Inverter to AC Motor Drives-Resonand DC Link Inverter Approach”, in Conf. Rec. IEEE-APEC Annu, Meeting, Mar. 1996.

56. Jong-Woo Choi, Dae-Woong Chung, Seung-Ki Sul, “Implementation of Field Oriented Induction Machine Considering Iron Losses”, in Conf. Rec. IEEE-APEC Annu, Meeting, Mar. 1996.

55. Seok-Joon Hong, Heui-Wook Kim, Seung-Ki Sul, “A Novel Inertia Identification Method for Speed Control of Electric Machine”, in Conf. Rec. IEEE IECON’, Jul. 1996.

54. Jong-Hwan Song, Jang-Mok Kim, Seung-Ki Sul, “A New Robust SPMSM Control to Parameter Variations in Flux Weakening Region ” , in Conf. Rec. IEEE IECON, Aug. 1996.

53. Jong-Woo Choi, Heui-Wook Kim, Seung-Ki Sul, “Design of Fast Response Current Controller Using d-q Axis Cross-Coupling ” , in Conf. Rec. IEEE IECON, Aug. 1996.

52. Hong-Woo Rhew, Seung-Ki Sul, Min-Ho Park, “A New Generator Static Excitation System Using Boost-Buck Chopper”, in Conf. Rec. IEEE IECON, Aug. 1996.

51. Heui-Wook Kim, Seung-Ki Sul,”A New Inertia Identification Approach for Speed Control of Electric Machine”, International Conference on Electrical Engineering (ICEE),

50. Seog-Joo Kang, Seung-Ki Sul,”Highly Dynamic Torque Control of Synchronous Reluctance Motor”, in Conf. Rec. IEEE-PESC Annu, Meeting, Jan. 1996.

49. Jang-Mok Kim, Ki-Tae Park, Seog-Joo Kang, Seung-Ki Sul, Jung-Lock Kwon,”Improved Dynamic Performance of Interior Permanent Magnet Synchronous Motor Drive in Flux-Weakening Operation”, in Conf. Rec. IEEE-PESC Annu, Meeting, Jul. 1996.

48. Joohn-Seok Kim, Jul-Ki Seok, Jong-Woo Choi, Seung-Ki Sul, “Overmodulation Strategy for High Performance Torque Control”, in Conf. Rec. IEEE-PESC Annu, Meeting, Jul. 1996.

47. Jong-Woo Choi, Seung-Ki Sul,”Fast current Controller in 3-Phase AC/DC Boost Converter Using d-q Axis Cross-Coupling”, in Conf. Rec. IEEE-PESC Annu, Meeting, Jul. 1996.

46. Jang-Mok Kim, Seung-ki Sul,”Speed Control of Interior Permanent Magnet Synchronous Motor Drive for flux Weakening Operation”, in Conf. Rec. IEEE-IAS Annu, Meeting, Oct. 1995.

45. Joohn-Sheok Kim, Seung-Ki Sul,”High Performance PMSM Drives without Rotational Position Sensors Using Reduced Order Observer”, in Conf. Rec. IEEE-IAS Annu, Meeting, Jan. 1995.

44. Heui-Wook Kim, Jong-Woo Choi, Seung-Ki Sul,”Accurate Position Control for AC Servo Motor Using Novel Speed Estimator” , in Conf. Rec. IEEE-IECON, Jan. 1995.

43. Jong-Woo Choi, Heui-Wook Kim, Seung-Ki Sul,”New Current Control Concept; Minimum time Current Control in Induction Machine Drive”, in Conf. Rec. IEEE-IECON, Jan. 1995.

42. Heui-Wook Kim, Jong-Woo Choi, Seung-Ki Sul,”Accurate Motor Position Control Using Kalman Filter”, International Conference on Power Electronics (ICPE ’95), Jan. 1995.

41. Jong-Woo Choi, Heui-Wook Kim and Seung-Ki Sul,”Minimum Time Current Control Application to Induction Machine Drive”, International Conference on Electrical Engineering (ICEE ’95), Jan. 1995.

40. Duk-Bas Suh, Jong-Woo Choi and Seung-Ki Sul,”Voltage Gradient Suppression of IGBT Inverter Using Soft-Switching”, International Conference on Electrical Engineering (ICEE ’95), Jan. 1995.

39. Dong-Choon Lee, Jong-Woo Choi, Hyeoun-Dong Lee and Seung-Ki Sul,”Decoupling Control of Paralleled Single-Phase GTO PWM Converters for Electric Traction Drives ” , International Power Electronics Conference (IPEC-Yokohama ’95), Jan. 1995.

38. Joohn-Sheok Kim and Seung-Ki Sul, “A Novel Voltage Modulation Technique of the Space vector PWM”, International Power Electronics Conference (IPEC-Yokohama ’95), Jan. 1995.

37. Joohn-Sheok Kim, Jong-Woo Choi and Seung-Ki Sul, “Analysis and Compensation of Voltage Distortion by Zero Current Clamping in Voltage-Fed PWM Inverter”, International Power Electronics Conference (IPEC-Yokohama ’95), Jan. 1995.

36. Soek-Joo Kang and Seung-Ki Sul,”Direct Torque Control of the Brushless DC Motor with Non-ideal Trapezoidal Back EMF”, in Conf. Rec. IEEE-APEC Annu, Meeting, Mar. 1995.

35. Joohn-Sheok Kim and Seung-Ki Sul, “New Approach for High Performance PMSM Drives without Rotational Position Sensors”, in Conf. Rec. IEEE-APEC Annu, Meeting, Mar. 1995.

34. Jul-Ki Seok and Seung-Ki Sul, “A New Overmodulation Strategy for induction Motor Drive Using Space Vector PWM”, in Conf. Rec. IEEE-APEC Annu, Meeting, Mar. 1995.

33. Sang Hoon Kim and Seung Ki Sul, “Voltage Control Strategy for Maximum Torque Operation of an Induction Machine in the Field Weakening Region”, in Conf. Rec. IEEE-IECON, Sep. 1994.

32. Heui Wook Kim and Seung Ki Sul, “A New Motor Speed Estimator Using Kalman Filter in Low Speed Runge”, in Conf. Rec. IEEE-IECON, Sep. 1994.

31. Jong Woo Choi and Seung Ki Sul,”New Dead Time Compensation Eliminating Zero Current Clamping in voltage-Fed PWM Inverter, in Conf. Rec. IEEE-IAS Annu, Meeting, Jan. 1994.

30. Sung-Il Yong, Jong Woo Choi and Seung KI Sul, “Sensorless Vector Control of Induction Machine Using High Frequency Current Induction”, in Conf. Rec. IEEE-IAS Annu, Meeting, Jan. 1994.

29. Sang Joon Lee and Seung Ki Sul, “An Integral Battery Charger for 4 Wheel drive Electric Vehicle”, in Conf. Rec. IEEE-IAS Annu, Meeting, Oct. 1994.

28. Joohn Sheok Kim and Seung Ki Sul, “New Stand-still Position Detection Strategy for PMSM Drive without Rotational Transducers”, in Conf. Rec. IEEE-APEC Annu, Meeting, Feb. 1994.

27. Jong-Woo Choi, Sung-Il Yong and Seung-Ki Sul, “Inverter Output Voltage Synthesis Using Novel Dead Time Compensation”, in Conf. Rec. IEEE-APEC Annu, Meeting, Feb. 1994.

26. K.S. Seo, N.H. Kim, J.K. Kim, S.K. Sul and M.H. Park, “Instantaneous Tractive Effort Control with Adhesive Effort Estimation for High Performance Traction System”, in PROC.of IEEE CCA, Jan. 1993.

25. S.H. Song, J.K. Ji, S.K. Sul and M.H. Park, “Torsional Vibration Suppression Control in 2-Mass System by State Feedback Speed Controller”, in PROC. of IEEE CCA,

24. Hyung-Soo Mok, Seung-Ki Sul and Min-Ho Park, Ki-yong Kim, “DSP-Based Field Oriented Control of A Load Commutated Current Source Inverter(LCCSI)-Fed AC Motor Drive”, TENCON’93 IEEE Region 10 Conference , Jan. 1993.

23. Jun-Keun Ji and Seung-Ki Sul, “DSP-Based Self-Tuning IP Speed Controller for Rolling Mill DC Drive”, in Conf. Rec. IEEE-IECON, Jan. 1993.

22. Jun-Keun Ji, Dong-Choon Lee and Seung-Ki Sul,”LQG Based Speed Controller for Torsional Vibration Suppression in 2-Mass Motor Drive System”, in Conf. Rec. IEEE-IECON, Jan. 1993.

21. Dong-Choon. Lee, Jun-Keun Ji and Seung-Ki Sul,”State Feedback Current Regulation with a Full-Order Observer for GTO Inverter Fed Induction Motor Drives”, in Conf. Rec. IEEE-IECON, Jan. 1993.

20. Chan-Ook. Hong and S.K. Sul, “Analysis of Shaft Torsional Vibration in Inverter-Fed Induction Motor Drive Systems”, in Conf. Rec. IEEE-IAS Annu, Meeting , Jan. 1993.

19. S.H. Kim, S.K. Sul and M.H. Park, “Maximum Torque Control of an Induction Machine in the Field Weakening Region”, in Conf. Rec. IEEE-IAS Annu, Meeting, Oct. 1993.

18. S.H. Kim, D.C. Lee, S.K. Sul and M.H. Par, “Implementation of a Current Regulator Based on Voltage Space Vector with a Low Cost Chip”, Small Motor International Conference Record July, Jan. 1993.

17. J.S. Kim and S.K. Sul,”New Control Scheme for AC-DC-AC Converter Without DC Link Electrolytic Capacitor”, PESC’93 24th Annual IEEE Power Electronics Specialists Conference Record, Jun. 1993.

16. J.W. Choi and S.K. Sul,”Resonant Link Bidirectional Power Converter Without Electrolytic Capacitor”, PESC’93 24th Annual IEEE Power Electronics Specialists Conference Record, Jun. 1993.

15. J.K. Ji, S.K. Sul, S.H. Song and M.H. Park, “DSP-Based Self-Tuning IP Speed Controlled and Predicative Current Controller for Rolling Mill DC Drive ” , PCC-Yokohama Proceedings of Power Conversion Conference-Yokohama , Jan. 1993.

14. D.C. Lee, S.K. Sul and M.H. Park, “Comparison of AC Current Regulator for IGBT Inverter”, PCC-Yokohama Proceedings of Power Conversion Conference-Yokohama, Jan. 1993.

13. S.H. Kim, S.K. Sul and M.H. Park, “A Fault-Tolerant Control System for a High Performance Induction Motor Drive”, IFAC’92 Algorithms and Architectures for Real-Time Control, Jan. 1992.

12. H.S. Mok, S.K. Sul and M.H. Park, “Sensorless Vector Control of a Load Commutated Current Source Inverter-Fed Induction Motor Using V/F Control for Starting”, ISPE’92(April 1992) International Symposium on Power Electronics, Jan. 1992.

11. D.C. Lee, S.K. Sul and M.H. Park, “Novel Current Regulation for a Field-Oriented Controlled Induction Motor Drive”, ISPE’92(April 1992) International Symposium on Power Electronics, Jan. 1992.

10. H.S. Mok, S.K. Sul and M.H. Park, “A Load Commutated Inverter-Fed Induction Motor Drive with a Novel DC-side Commutation Circuit ” , IEEE(LCCSI) Industrial Application Society IAS), Jan. 1992.

9. Y.R. Kim, S.K. Sul and M.H. Park, “Speed Sensorless Vector Control of an Induction Motor Using on Extended KALMAN Filter ” , IEEE Industrial Application Society (AS), Jan. 1992.

8. D.C. Lee, S.K. Sul and M.H. Park, “High Performance Current Regulator for a Field-Oriented Controlled Induction Motor Drive”, IEEE Industrial Application Society (IAS), Jan. 1992.

7. J.W. Lee, S.K. Sul and M.H. Park, “A Novel Three-Phase Quasi-Resonant DC Link Inverter”, in IEEE Industrial Application Society (IAS), Jan. 1991. Jan. 1991.

6. H.S. Mok, J.S. Kim, Y.R. Kim, M.H. Park and S.K. Sul, “A Stator Flux Oriented Speed Control of Induction Machine without Speed Sensor”, in 4th European Conference on Power Electronics and Application Proceedings (EPE ’91), Jan. 1991.

5. J.W. Lee, J.J. Lee, S.K. Sul and M.H. Park, “A New Quasi-resonant DC Link Inverter”, in 4th European Conference on Power Electronics and Application Proceedings (EPE ’91), Jan. 1991.

4. Y.H. Chang, S.S. Kim, H.J. Cha, M.G. Kang and S.K. Sul, “Parallel Operation of Voltage Source Inverters by Real-Time Digital PWM control ” , in 4th European Conference on Power Electronics and Application Proceedings (EPE ’91), Jan. 1991.

3. S.K.Sul, M.H.Park, “A Novel Technique for Optimal Efficiency Control of Current Source Inverter Fed Induction Motor”, IEEE Power Electronics Specialist Conference Record, Jan. 1986

2. M.H.Park, S.K.Sul, D.Y.Yoon, T.W.Chun, “Optimal Efficiency Drive of Induction Motor with Current Source Inverter”, IPEC-Tokyo Conference Record, Jan. 1983.

1. M.H.Park, S.K.Sul, “The Microprocessor Based Optimal Efficiency Drive of Induction Motor”, IEEE IECI Proc., Jan. 1981.

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