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1

An Improved Anisotropic Vector Preisach Hysteresis Model Taking Account of Rotating Magnetic Fields

Zhu, Lixun, Wu, Weimin, Xu, Xiaoyan, Guo, Yi, Li, Wei, Lu, Kaiyuan, Koh, Chang-Seop

Journal:

IEEE Transactions on Magnetics

Year:

2019

Language:

english

File:

PDF, 6 KB

english, 2019

2

Design of a Powder-Aligning-Fixture for a 4-Pole Anisotropic Bonded Nd-Fe-B Ring-Type Permanent Magnet

Kim, Hyo-Jun, Koh, Chang-Seop

Journal:

IEEE Transactions on Magnetics

Year:

2013

Language:

english

File:

PDF, 739 KB

english, 2013

3

Utilizing Kriging Surrogate Models for Multi-Objective Robust Optimization of Electromagnetic Devices

Xia, Bin, Ren, Ziyan, Koh, Chang-Seop

Journal:

IEEE Transactions on Magnetics

Year:

2014

Language:

english

File:

PDF, 703 KB

english, 2014

4

Utilizing genetic algorithms for the optimal design of electromagnetic devices

Uler, G.F., Mohammed, O.A., Chang-Seop Koh,

Journal:

IEEE Transactions on Magnetics

Year:

1994

Language:

english

File:

PDF, 378 KB

english, 1994

5

Investigation of the Vector Jiles–Atherton Model and the Fixed Point Method Combined Technique for Time-Periodic Magnetic Problems

Li, Wei, Koh, Chang-Seop

Journal:

IEEE Transactions on Magnetics

Year:

2015

Language:

english

File:

PDF, 1.35 MB

english, 2015

6

A Stable Iteration Procedure of Newton’s Method in Finite-Element Computation of Nonlinear Magnetic Field Problems With a Vector Hysteresis Model

Li, Wei, Fu, Weinong, Koh, Chang-Seop, Wang, Yangyang

Journal:

IEEE Transactions on Magnetics

Year:

2017

Language:

english

File:

PDF, 407 KB

english, 2017

7

A New Hysteresis Loss Estimation in the Induction Motor Core Considering Rotating Magnetic Fields

Zhang, Yanli, Chi, Qingguang, Ren, Yajun, Zhang, Dianhai, Koh, Chang-Seop

Journal:

Journal of Electrical Engineering and Technology

Year:

2019

Language:

english

File:

PDF, 1.54 MB

english, 2019

8

A sensitivity analysis using boundary element method for shape optimization of electromagnetic devices

Chang-Seop Koh, Song-Yop Hahn, Tae-Kyung Chung, Hyun-Kyo Jung

Journal:

IEEE Transactions on Magnetics

Year:

1992

Language:

english

File:

PDF, 244 KB

english, 1992

9

Design sensitivity analysis for shape optimization of 3-D electromagnetic devices

Chang-Seop Koh, Song-Yop Hahn, Ki-Sik Lee, Kyung Choi

Journal:

IEEE Transactions on Magnetics

Year:

1993

Language:

english

File:

PDF, 363 KB

english, 1993

10

A continuum approach in shape design sensitivity analysis of magnetostatic problems using the boundary element method

Chang-Seop Koh, Song-Yop Hahn, Hyun-Kyo Jung, Kyung Choi

Journal:

IEEE Transactions on Magnetics

Year:

1993

Language:

english

File:

PDF, 337 KB

english, 1993

11

An adaptive finite element scheme using multi-grid method for magnetostatic problems

Koh Chang-Seop, Choi Kyung, Hahn Song-Yop, Jung Hyun-Kyo, Lee Ki-Sik

Journal:

IEEE Transactions on Magnetics

Year:

1989

Language:

english

File:

PDF, 225 KB

english, 1989

12

Design optimization of electrical machines using genetic algorithms

Uler, G.F., Mohammed, O.A., Chang-Seop Koh

Journal:

IEEE Transactions on Magnetics

Year:

1995

Language:

english

File:

PDF, 486 KB

english, 1995

13

A Back EMF Optimization of Double Layered Large-Scale BLDC Motor by Using Hybrid Optimization Method

Yong Bae Kim, Hong Soon Choi, Chang-Seop Koh, Pan Seok Shin

Journal:

IEEE Transactions on Magnetics

Year:

2011

Language:

english

File:

PDF, 853 KB

english, 2011

14

An Improved Differential Evolution Algorithm Adopting $\lambda$-Best Mutation Strategy for Global Optimization of Electromagnetic Devices

Baatar, Nyambayar, Zhang, Dianhai, Koh, Chang-Seop

Journal:

IEEE Transactions on Magnetics

Year:

2013

Language:

english

File:

PDF, 987 KB

english, 2013

15

A Global Optimization Algorithm for Electromagnetic Devices by Combining Adaptive Taylor Kriging and Particle Swarm Optimization

Xia, Bin, Pham, Minh-Trien, Zhang, Yanli, Koh, Chang-Seop

Journal:

IEEE Transactions on Magnetics

Year:

2013

Language:

english

File:

PDF, 875 KB

english, 2013

16

Multiguiders and Nondominate Ranking Differential Evolution Algorithm for Multiobjective Global Optimization of Electromagnetic Problems

Baatar, Nyambayar, Pham, Minh-Trien, Koh, Chang-Seop

Journal:

IEEE Transactions on Magnetics

Year:

2013

Language:

english

File:

PDF, 460 KB

english, 2013

17

New Reliability-Based Robust Design Optimization Algorithms for Electromagnetic Devices Utilizing Worst Case Scenario Approximation

Ren, Ziyan, Zhang, Dianhai, Koh, Chang-Seop

Journal:

IEEE Transactions on Magnetics

Year:

2013

Language:

english

File:

PDF, 758 KB

english, 2013

18

An Improved Robust Optimization Algorithm: Second-Order Sensitivity Assisted Worst Case Optimization

Ren, Ziyan, Zhang, Dianhai, Koh, Chang-Seop

Journal:

IEEE Transactions on Magnetics

Year:

2013

Language:

english

File:

PDF, 1.02 MB

english, 2013

19

Analysis of Magnetizing Process of a New Anisotropic Bonded NdFeB Permanent Magnet Using FEM Combined With Jiles-Atherton Hysteresis Model

Zhang, Dianhai, Kim, Hyo-Jun, Li, Wei, Koh, Chang-Seop

Journal:

IEEE Transactions on Magnetics

Year:

2013

Language:

english

File:

PDF, 828 KB

english, 2013

20

Numerically Efficient Algorithm for Reliability-Based Robust Optimal Design of TEAM Problem 22

Ren, Ziyan, Park, Chanhyuk, Koh, Chang-Seop

Journal:

IEEE Transactions on Magnetics

Year:

2014

Language:

english

File:

PDF, 850 KB

english, 2014

21

Adaptive Parameter Controlling Non-Dominated Ranking Differential Evolution for Multi-Objective Optimization of Electromagnetic Problems

Baatar, Nyambayar, Jeong, Kwang-Young, Koh, Chang-Seop

Journal:

IEEE Transactions on Magnetics

Year:

2014

Language:

english

File:

PDF, 945 KB

english, 2014

22

Optimal Design of Powder-Aligning and Magnetizing Fixtures for an Anisotropic-Bonded NdFeB Permanent Magnet

Zhang, Dianhai, Ren, Ziyan, Koh, Chang-Seop

Journal:

IEEE Transactions on Magnetics

Year:

2014

Language:

english

File:

PDF, 813 KB

english, 2014

23

Multiresolution analysis for permeability reconstruction using wavelet

Jung-Kyun Cho,, Seung-Bae Park,, Chang-Hwan Lee,, Hyung-Kyo Jung,, Song-Yop Hahn,, Chang-Seop Koh,

Journal:

IEEE Transactions on Magnetics

Year:

1999

Language:

english

File:

PDF, 254 KB

english, 1999

24

A New Reliability Analysis Algorithm With Insufficient Uncertainty Data for Optimal Robust Design of Electromagnetic Devices

Ren, Ziyan, Cho, Hyunjin, Yeon, Junmo, Koh, Chang-Seop

Journal:

IEEE Transactions on Magnetics

Year:

2015

Language:

english

File:

PDF, 1.10 MB

english, 2015

25

A Numerically Efficient Multi-Objective Optimization Algorithm: Combination of Dynamic Taylor Kriging and Differential Evolution

Xia, Bin, Baatar, Nyambayar, Ren, Ziyan, Koh, Chang-Seop

Journal:

IEEE Transactions on Magnetics

Year:

2015

Language:

english

File:

PDF, 866 KB

english, 2015

26

Comparative Study on Kriging Surrogate Models for Metaheuristic Optimization of Multidimensional Electromagnetic Problems

Xia, Bin, Ren, Ziyan, Koh, Chang-Seop

Journal:

IEEE Transactions on Magnetics

Year:

2015

Language:

english

File:

PDF, 1.02 MB

english, 2015

27

[IEEE 2016 IEEE Conference on Electromagnetic Field Computation (CEFC) - Miami, FL, USA (2016.11.13-2016.11.16)] 2016 IEEE Conference on Electromagnetic Field Computation (CEFC) - A novel iron loss calculation algorithm using vector play model taking account of the rotating magnetic fields

Zhu, Lixun, Koh, Chang-Seop

Year:

2016

Language:

english

File:

PDF, 148 KB

english, 2016

28

Comprehensive Improvement of Temperature-Dependent Jiles–Atherton Model Utilizing Variable Model Parameters

Zhang, Dianhai, Jia, Mengfan, Liu, Yang, Ren, Ziyan, Koh, Chang-Seop

Journal:

IEEE Transactions on Magnetics

Year:

2018

Language:

english

File:

PDF, 922 KB

english, 2018

29

A New Reliability Analysis Method Combining Adaptive Kriging With Weight Index Monte Carlo Simulation

Ma, Jiangang, Ren, Ziyan, Zhao, Guoxin, Zhang, Yanli, Koh, Chang-Seop

Journal:

IEEE Transactions on Magnetics

Year:

2018

Language:

english

File:

PDF, 1.06 MB

english, 2018

30

Measurement and modeling of magnetostriction characteristics of highly Grain-oriented electrical steel sheet by using round-type two-dimensional single sheet tester

Zhu, Lixun, Yoon, Hee-Sung, Koh, Chang-Seop, Cheng, Zhiguang, Zhu, Jianguo, Li, Yongjian, Sievert, Johannes

Journal:

International Journal of Applied Electromagnetics and Mechanics

Year:

2017

Language:

english

File:

PDF, 9.80 MB

english, 2017

31

[IEEE 2013 International Conference on Electrical Machines and Systems (ICEMS) - Busan (2013.10.26-2013.10.29)] 2013 International Conference on Electrical Machines and Systems (ICEMS) - Hysteresis modeling of anisotropic and isotropic bonded NdFeB PM utilizing the jiles-atherton hysteresis model

Dianhai Zhang,, Ziyan Ren,, Chang-Seop Koh,

Year:

2013

Language:

english

File:

PDF, 4.22 MB

english, 2013

32

[Institution of Engineering and Technology 9th IET International Conference on Computation in Electromagnetics (CEM 2014) - London, UK (31 March-1 April 2014)] 9th IET International Conference on Computation in Electromagnetics (CEM 2014) - Selecting Proper Kriging Surrogate Model for Optimal Design of Electromagnetic Problem

Chang-Seop Koh,, Ziyan Ren,, Bin Xia,

Year:

2014

Language:

english

File:

PDF, 178 KB

english, 2014

33

[Institution of Engineering and Technology 9th IET International Conference on Computation in Electromagnetics (CEM 2014) - London, UK (31 March-1 April 2014)] 9th IET International Conference on Computation in Electromagnetics (CEM 2014) - Selecting Proper Reliability Analysis Algorithm for Reliability-based Optimal Design of Electromagnetic Devices

Ziyan Ren,, Chang-Seop Koh,

Year:

2014

Language:

english

File:

PDF, 263 KB

english, 2014

34

[IEEE Digest of the Fifth Biennial IEEE Conference on Electromagnetic Field Computation - Claremont, CA (August 3-5, 1992)] Digest of the Fifth Biennial IEEE Conference on Electromagnetic Field Computation - A Continuum Approach in Shape Design Sensitivity Analysis of Magnetostatic Problems Using Boundary Element Method

Chang-Seop Koh,, Song-Yop Hahn,, Hyun-Kyo Jung,, Kyung Choi,

Year:

1992

File:

PDF, 44 KB

1992

35

3-D field analysis of a superconducting bulk magnet

Seung-Yong Hahn,, Ji Hoon Kim,, Chang-Seop Koh,, Song-Yop Hahn,

Journal:

IEEE Transactions on Appiled Superconductivity

Year:

2001

Language:

english

File:

PDF, 366 KB

english, 2001

36

[IEEE IEEE International Magnetics Conference - Kyongju, Korea (1999.05.18-1999.05.21)] IEEE International Magnetics Conference - Multiresolution analysis for permeability reconstruction using wavelet

Jung-Kyun Cho,, Chang-Hwan Lee,, Hyun-Kyo Jung,, Young-Woo Ahn,, Song-Yop Hahn,, Chang-Seop Koh,

Year:

1999

Language:

english

File:

PDF, 76 KB

english, 1999

37

Low speed FES with induction motor and generator

Seung-Yong Hahn,, Woo-Seok Kim,, Ji Hoon Kim,, Chang-Seop Koh,, Song-Yop Hahn,

Journal:

IEEE Transactions on Appiled Superconductivity

Year:

2002

Language:

english

File:

PDF, 198 KB

english, 2002

38

An effective hysteresis loss computation for HTS bulk material

Seung-yong Hahn,, Song-yop Hahn,, Chang-seop Koh,

Journal:

IEEE Transactions on Appiled Superconductivity

Year:

2003

Language:

english

File:

PDF, 298 KB

english, 2003

39

[IEEE 2013 International Conference on Electrical Machines and Systems (ICEMS) - Busan (2013.10.26-2013.10.29)] 2013 International Conference on Electrical Machines and Systems (ICEMS) - Multi-objective worst-case scenario robust optimal design of switched reluctance motor incorporated with FEM and Kriging

Ziyan Ren,, Zhang, Dianhai, Koh, Chang-Seop

Year:

2013

Language:

english

File:

PDF, 908 KB

english, 2013

40

[IEEE 2012 Sixth International Conference on Electromagnetic Field Problems and Applications (ICEF) - Dalian, Liaoning, China (2012.06.19-2012.06.21)] 2012 Sixth International Conference on Electromagnetic Field Problems and Applications - Reliability Evaluation of the Electromagnetic Device Based on the Second Order Sensitivity Analysis

Ren, Ziyan, Zhang, Dianhai, Koh, Chang-Seop

Year:

2012

Language:

english

File:

PDF, 288 KB

english, 2012

41

[IEEE 2013 International Conference on Electrical Machines and Systems (ICEMS) - Busan (2013.10.26-2013.10.29)] 2013 International Conference on Electrical Machines and Systems (ICEMS) - Comparison of iron loss at different manufacturing process of actual stator core

Kwang-Young Jeong,, Chan-Hyuck Park,, Chang-Seop Koh,

Year:

2013

Language:

english

File:

PDF, 2.89 MB

english, 2013

42

Finite Element Analysis of Magnetostriction Force in Power Transformer Based on the Measurement of Anisotropic Magnetostriction of Highly Grain-Oriented Electrical Steel Sheet

Zhu, Lixun, Yoon, Hee-Sung, Um, Doo-Jong, Koh, Chang-Seop

Journal:

IEEE Transactions on Magnetics

Year:

2015

Language:

english

File:

PDF, 1.15 MB

english, 2015

43

A Possibility-based Robust Optimal Design Algorithm in Preliminary Design Stage of Electromagnetic Devices

Ren, Ziyan, He, Siying, Zhang, Dianhai, Zhang, Yanli, Koh, Chang-Seop

Journal:

IEEE Transactions on Magnetics

Year:

2015

Language:

english

File:

PDF, 1.07 MB

english, 2015

44

Investigation of reliability analysis algorithms for effective reliability-based optimal design of electromagnetic devices

Ren, Ziyan, Zhang, Dianhai, Koh, Chang-Seop

Journal:

IET Science Measurement & Technology

Year:

2016

Language:

english

File:

PDF, 340 KB

english, 2016

45

A Novel Subregion-Based Multi-dimensional Optimization of Electromagnetic Devices Assisted by Kriging Surrogate Model

Xia, Bin, Ren, Ziyan, Choi, Kyung, Koh, Chang-Seop

Journal:

IEEE Transactions on Magnetics

Year:

2017

Language:

english

File:

PDF, 548 KB

english, 2017

46

A Dynamic Hysteresis Model Based on Vector Play Model for Iron Loss Calculation Taking the Rotating Magnetic Fields into Account

Zhu, Lixun, Park, Junho, Koh, Chang-Seop

Journal:

IEEE Transactions on Magnetics

Year:

2017

Language:

english

File:

PDF, 1.04 MB

english, 2017

47

Comparison of two-dimensional single sheet testers for the measurements of vector hysteresis and magnetostriction characteristics

Zhu, Lixun, Lim, Jeonghyeok, Koh, Chang-Seop, Cheng, Zhiguang, Zhu, Jianguo, Li, Yongjian, Sievert, Johannes

Journal:

International Journal of Applied Electromagnetics and Mechanics

Year:

2017

Language:

english

File:

PDF, 7.21 MB

english, 2017

48

Modeling of Anisotropic Magnetostriction Under DC Bias Based on an Optimized BP Neural Network

Wang, Zhen, Zhang, Yanli, Ren, Ziyan, Koh, Chang-Seop, Mohammed, O. A.

Journal:

IEEE Transactions on Magnetics

Year:

2020

File:

PDF, 1.58 MB

2020

49

An Improved Anisotropic Vector Preisach Model for Nonoriented Electrical Steel Sheet Based on Iron Loss Separation Theory

Zhu, Lixun, Jiang, Jiacheng, Wu, Weimin, Li, Wei, Lu, Kaiyuan, Koh, Chang-seop, Zak, Arkadiusz

Journal:

Mathematical Problems in Engineering

Year:

2020

File:

PDF, 2.34 MB

2020

50

[IEEE IECON 2020 - 46th Annual Conference of the IEEE Industrial Electronics Society - Singapore, Singapore (2020.10.18-2020.10.21)] IECON 2020 The 46th Annual Conference of the IEEE Industrial Electronics Society - A Novel Single-Helix Magnetic Lead Screw for Wave Energy Converter

Zhu, Lixun, Tian, Tian, Jiang, Jiacheng, Wu, Weimin, Lu, Kaiyuan, Koh, Chang-seop

Year:

2020

File:

PDF, 667 KB

2020

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