Inventor
COLLIER-HALLMAN STEVEN JAMES
US15 patents
⚠️ This page may combine multiple inventors who share the name “COLLIER-HALLMAN STEVEN JAMES”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
DELPHI TECH INC
10 patentsUS6122579ASep 19, 2000
Electric power steering control with torque ripple and road disturbance damper
DELPHI TECH INC129 citations98
US6448724B1Sep 10, 2002
Apparatus and method for commutation noise reduction
DELPHI TECH INC65 citations95
US6408235B1Jun 18, 2002
End-of-travel impact management system
DELPHI TECH INC64 citations94
US7157878B2Jan 2, 2007
Transient compensation voltage estimation for feedforward sinusoidal brushless motor control
DELPHI TECH INC34 citations92
US6166502ADec 26, 2000
Thermal current limiting apparatus and method for vehicle system with electric motor actuator
DELPHI TECH INC25 citations91
US6791217B2Sep 14, 2004
Method and system for motor velocity measurement
DELPHI TECH INC21 citations90
US6498409B1Dec 24, 2002
Tachometer apparatus and method for motor velocity measurement
DELPHI TECH INC38 citations90
US7075290B2Jul 11, 2006
Tachometer apparatus and method for motor velocity measurement
DELPHI TECH INC31 citations87
US6452405B1Sep 17, 2002
Method and apparatus for calibrating a current sensing system
DELPHI TECH INC15 citations84
US7190135B2Mar 13, 2007
Method of inverter linearization in electric machines through secondary modulation
DELPHI TECH INC7 citations73
GEN MOTORS CORP
5 patentsUS6002226ADec 14, 1999
Brushless DC motor control method and apparatus for reduced commutation noise
GEN MOTORS CORP91 citations97
US6092618AJul 25, 2000
Electro-hydraulic power steering control with fluid temperature and motor speed compensation of power steering load signal
GEN MOTORS CORP69 citations96
US5982067ANov 9, 1999
Brushless DC motor having reduced torque ripple for electric power steering
GEN MOTORS CORP79 citations96
US5668722ASep 16, 1997
Electric power steering control
GEN MOTORS CORP91 citations95
US5967253AOct 19, 1999
Electro-hydraulic power steering control with motor speed switching and fluid temperature compensation of standby switch-points
GEN MOTORS CORP46 citations92