Gunhee Jang

Position detection and start-up algorithm of a rotor in a sensorless BLDC motor utilising inductance variation

Gunhee Jang, J. H. Park, Junghwan Chang · IEE Proceedings - Electric Power Applications · 2002 · 115 citations

Position Detection, Brushless Dc, Industrial Electronics +7

Two-dimensional actuation of a microrobot with a stationary two-pair coil system

Hyun Chul Choi, Jongho Choi, Gunhee Jang et al. · Smart Materials and Structures · 2009 · 104 citations

Engineering, Biorobotics, Mechanical Engineering +21

Calculation of Dynamic Coefficients in a Hydrodynamic Bearing Considering Five Degrees of Freedom for a General Rotor-Bearing System

Gunhee Jang, Y. J. Kim · Journal of Tribology · 1999 · 98 citations

Finite Element Method, Electric Machine, Engineering +13

EMA system with gradient and uniform saddle coils for 3D locomotion of microrobot

Hyun Chul Choi, Kyoungrae Cha, Jongho Choi et al. · Sensors and Actuators A Physical · 2010 · 91 citations

Uniform Saddle Coils, Engineering, Soft Robotics +15

Nonlinear Excitation Model of Ball Bearing Waviness in a Rigid Rotor Supported by Two or More Ball Bearings Considering Five Degrees of Freedom

Gunhee Jang, S. W. Jeong · Journal of Tribology · 2001 · 90 citations

Engineering, Mechanical Engineering, Rotor Dynamic +19