Inventor
PATEL NITINKUMAR R
US42 patents
⚠️ This page may combine multiple inventors who share the name “PATEL NITINKUMAR R”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
GEN MOTORS CORP
14 patentsUS6894454B2May 17, 2005
Position sensorless control algorithm for AC machine
GEN MOTORS CORP77 citations98
US7002318B1Feb 21, 2006
Position sensor fault tolerant control for automotive propulsion system
GEN MOTORS CORP105 citations97
US7262536B2Aug 28, 2007
Gearless wheel motor drive system
GEN MOTORS CORP62 citations96
US6924617B2Aug 2, 2005
Position sensorless control algorithm for AC machine
GEN MOTORS CORP59 citations96
US7015667B2Mar 21, 2006
Current regulation for a field weakening motor control system and method
GEN MOTORS CORP25 citations93
US6841969B1Jan 11, 2005
Flux observer in a sensorless controller for permanent magnet motors
GEN MOTORS CORP45 citations93
US6763622B2Jul 20, 2004
Amplitude detection method and apparatus for high frequency impedance tracking sensorless algorithm
GEN MOTORS CORP48 citations93
US7211984B2May 1, 2007
Start-up and restart of interior permanent magnet machines
GEN MOTORS CORP40 citations92
US7023168B1Apr 4, 2006
Field weakening motor control system and method
GEN MOTORS CORP52 citations92
US6989641B2Jan 24, 2006
Methods and apparatus for fault-tolerant control of electric machines
GEN MOTORS CORP28 citations92
US7088077B2Aug 8, 2006
Position-sensorless control of interior permanent magnet machines
GEN MOTORS CORP16 citations83
US7042186B2May 9, 2006
Decoupling a harmonic signal from a signal path
GEN MOTORS CORP9 citations74
US6979968B2Dec 27, 2005
Method and system for managing processor execution time utilizing variable frequency switching
GEN MOTORS CORP10 citations73
US6760669B2Jul 6, 2004
Method and system of reducing inefficiencies in an internal permanent magnet motor using fuzzy logic
GEN MOTORS CORP6 citations62
GM GLOBAL TECH OPERATIONS INC
14 patentsUS7592766B2Sep 22, 2009
Gearless wheel motor drive system
GM GLOBAL TECH OPERATIONS INC47 citations96
US7839108B2Nov 23, 2010
Electric motor stator winding temperature estimation
GM GLOBAL TECH OPERATIONS INC32 citations93
US7642737B2Jan 5, 2010
Anti-windup control for a current regulator of a pulse width modulation inverter
GM GLOBAL TECH OPERATIONS INC21 citations92
US7525269B2Apr 28, 2009
Method and apparatus for sensorless position control of a permanent magnet synchronous motor (PMSM) drive system
GM GLOBAL TECH OPERATIONS INC27 citations92
US7459874B2Dec 2, 2008
System and method for controlling electric drive systems
GM GLOBAL TECH OPERATIONS INC20 citations92
US8378605B2Feb 19, 2013
Method and apparatus for monitoring a system including a sensorless electric motor
GM GLOBAL TECH OPERATIONS INC10 citations84
US7595600B2Sep 29, 2009
Method and system for torque control in permanent magnet machines
GM GLOBAL TECH OPERATIONS INC17 citations84
US7508149B2Mar 24, 2009
Oil pump systems and methods for preventing torque overload in motors of oil pump systems
GM GLOBAL TECH OPERATIONS INC12 citations84
US7449859B2Nov 11, 2008
Reduction of subharmonic oscillation at high frequency operation of a power inverter
GM GLOBAL TECH OPERATIONS INC13 citations84
US7843162B2Nov 30, 2010
Current regulator and current control method and system for AC motors
GM GLOBAL TECH OPERATIONS INC13 citations83
US7576500B2Aug 18, 2009
Method and system for operating a motor to reduce noise in an electric vehicle
GM GLOBAL TECH OPERATIONS INC10 citations83
US7282886B1Oct 16, 2007
Method and system for controlling permanent magnet motor drive systems
GM GLOBAL TECH OPERATIONS INC14 citations81
US7659684B2Feb 9, 2010
Method and system for operating a motor to avoid selected pulse ratio values
GM GLOBAL TECH OPERATIONS INC3 citations62
US8913352B2Dec 16, 2014
Method and apparatus for detecting a desaturation fault in an inverter module
GM GLOBAL TECH OPERATIONS INC2 citations58
PATEL NITINKUMAR R
5 patentsUS8174222B2May 8, 2012
Methods, systems and apparatus for dynamically controlling an electric motor that drives an oil pump
PATEL NITINKUMAR R20 citations92
US8339081B2Dec 25, 2012
Method and apparatus for low speed permanent magnet motor operation
PATEL NITINKUMAR R11 citations83
US8310189B2Nov 13, 2012
Position sensorless control of permanent magnet motors
PATEL NITINKUMAR R3 citations62
US8269445B2Sep 18, 2012
Limp home operational mode for an electric vehicle
PATEL NITINKUMAR R5 citations60
US8258736B2Sep 4, 2012
Fail-safe controls for electric traction drive systems
PATEL NITINKUMAR R3 citations60