2016​​

• Dae-Kyu Jang, Jung-Hwan Chang, "Effects of Flux Modulation Poles on the Radial Magnetic Forces in Permanent Magnet Vernier Machines", 17th Biennial iEEE Conference on Electromagnetic Field Computation(CEFC), USA, 2016.

 

• Dae-Kyu Jang, Jung-Hwan Chang, "Performance Comparison of PM Synchronous and PM Vernier Machines Based on Equal Output Power per Unit Volume", 17th Biennial  IEEE Conference on Electromagnetic Field Computation(CEFC), USA, 2016.

 

• Ho-Min Shin, Jung-Hwan Chang, "Comparison of characteristics of coaxial magnetic gears with PM and AC excitation",17th Biennial IEEE Conference on Electromagnetic Field Computation (CEFC), USA, 2016.

 

• Ji-Young Lee, Jung-Hwan Chang, "Analysis of the Vibration Characteristics of Coaxial Magnetic Gear", 17th Biennial  IEEE Conference on Electromagnetic Field Computation (CEFC), USA, 2016.

 

• Dae-Kyu Jang, Jung-Hwan Chang, "Investigation on back EMF charicteristics of a permanent-magnet vernier machine for brushless DC operation", IEEE Transportation Electrification Conference and Expo, Asia-Pacific (ITEC Asia-Pacific), Korea, 2016.

 

• Sarbajit Paul, Jung-Hwan Chang, "Design of absolute encoder disk coding based on affine n digit N-ary gray code", 17th Biennial  IEEE International Instrumentation and Measurement Technology Conference (I2MTC), Taiwan, 2016 .

 

• Dae-Kyu Jang, Jung-Hwan Chang, "Study on DC Operation of a Permanent-Magnet Venrier Machine", 13th Joint Magnetism and Magnetic Materials-International Magnetics Conference (MMM-Intermag), USA, 2016.

 

• Ho-Min Shin, Jung-Hwan Chang, "Analytical Magnetic Field Calculation of Coaxial Magnetic Gear with Flux Concentrating Rotor",13th Joint Magnetism and Magnetic Materials-International Magnetics Conference (MMM-Intermag), USA, 2016.

 

• Sarbajit Paul, Jung-Hwan Chang, "Precise Estimation of Initial Pole Position for Surface PMSM Based on Three Reference Frame Method",13th Joint Magnetism and Magnetic Materials-International Magnetics Conference (MMM-Intermag), USA, 2016.

 

2015

• Dong-Ki Han, Jung-Hwan Chang, "Design of Electromagnetic Linear Actuator Using the Equivalent Magnetic Circuit Method", 20th International Conference on the Computation of Electromagnetic Fields (Compumag), Canada, 2015.

 

2014​

• Tae-Woo Kim, Jung-Hwan Chang, "Analysis of Thrust Characteristics Considering Step-Skew and Overhang Effects in Permanent Magnet Linear Synchronous Motor", 16th Biennial  IEEE Conference on Electromagnetic Field Computation (CEFC), France, 2014.

 

• Ho-Min Shin, Jung-Hwan Chang, "Improved coaxial magnetic gear for increasing transmitted torque", 16th Biennial  IEEE Conference on Electromagnetic Field Computation (CEFC), France, 2014.

 

2013

• Dae-Kyu Jang, Jung-Hwan Chang, "Design of a vernier machine with Permanent Manget on both sides of rotor", 18th International Conference on the Computation of Electromagnetic Fields (Compumag), 2013.

 

• Tae-Woo Kim, Jung-Hwan Chang, "Optimal Design of Electromagnetic Actuator with Divided Coil Excitation to Increase Clamping Force", Journal of International Conference on Electrical Machines and Systems, Korea, 2013.

 

2012​

• Dae-Kyu Jang, Jung-Hwan Chang, "Design of stationary pole pieces in a coaxial magnetic gear", 19th International Conference on Magnetism (ICM), Korea, 2012.

 

• Dae-Kyu Jang, Jung-Hwan Chang, "Optimal permanent magnet design of a spindle motor without pulling plate for hard disk drive", 4th ASME-ISPS/JSME-IIP joint international conference on micromechatronics for information and precision equipment , USA, 2012.

 

• Dae-Kyu Jang, Jung-Hwan Chang, "Feasibility study on the new structure of a spindle motor  for hard disk drive", IEEE International Magnetics Conference, INTERMAG, Canada, 2012.

 

2011

• Dae-Kyu Jang, Jung-Hwan Chang, "Back EMF design of an AFPM motor using PCB winding by Quasi 3D Space Harmonic Analysis Method", 18th International Conference on the Computation of Electromagnetic Fields (Compumag), Australia, 2011.