Inventor
HITI SILVA
US125 patents
⚠️ This page may combine multiple inventors who share the name “HITI SILVA”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
GM GLOBAL TECH OPERATIONS INC
29 patentsUS7768220B2Aug 3, 2010
Harmonic torque ripple reduction at low motor speeds
GM GLOBAL TECH OPERATIONS INC55 citations98
US7615951B2Nov 10, 2009
Method and system for limiting the operating temperature of an electric motor
GM GLOBAL TECH OPERATIONS INC70 citations98
US7279862B1Oct 9, 2007
Fault handling of inverter driven PM motor drives
GM GLOBAL TECH OPERATIONS INC62 citations97
US7592766B2Sep 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
US7616466B2Nov 10, 2009
Three phase inverter with improved loss distribution
GM GLOBAL TECH OPERATIONS INC52 citations93
US7990098B2Aug 2, 2011
Series-coupled two-motor drive using double-ended inverter system
GM GLOBAL TECH OPERATIONS INC32 citations92
US7956563B2Jun 7, 2011
System for using a multi-phase motor with a double-ended inverter system
GM GLOBAL TECH OPERATIONS INC27 citations92
US7923953B2Apr 12, 2011
Linearity for field weakening in an interior permanent magnet machine
GM GLOBAL TECH OPERATIONS INC16 citations92
US7759886B2Jul 20, 2010
Linearity for field weakening in an interior permanent magnet machine
GM GLOBAL TECH OPERATIONS INC23 citations92
US7755313B2Jul 13, 2010
Power inverter module thermal management
GM GLOBAL TECH OPERATIONS INC20 citations92
US7652858B2Jan 26, 2010
Protection for permanent magnet motor control circuits
GM GLOBAL TECH OPERATIONS INC33 citations92
US7642737B2Jan 5, 2010
Anti-windup control for a current regulator of a pulse width modulation inverter
GM GLOBAL TECH OPERATIONS INC21 citations92
US7599204B2Oct 6, 2009
Control scheme providing a freewheeling period in a cyclo-converter and a high frequency inverter
GM GLOBAL TECH OPERATIONS INC23 citations92
US7411801B2Aug 12, 2008
Method and apparatus for controlling voltage linearity of voltage source inverters
GM GLOBAL TECH OPERATIONS INC37 citations92
US7307401B2Dec 11, 2007
Method and apparatus for PWM control of voltage source inverter
GM GLOBAL TECH OPERATIONS INC35 citations91
US8358095B2Jan 22, 2013
Method and system for testing electric motors
GM GLOBAL TECH OPERATIONS INC7 citations84
US7944161B2May 17, 2011
DC bus discharge in an electric motor system
GM GLOBAL TECH OPERATIONS INC10 citations84
US7880425B2Feb 1, 2011
Electric motor drive systems, motor vehicles, and methods of phase current regulation
GM GLOBAL TECH OPERATIONS INC7 citations84
US7834574B2Nov 16, 2010
Phase current sampling and regulating apparatus and methods, and electric motor drive systems
GM GLOBAL TECH OPERATIONS INC8 citations84
US7800331B2Sep 21, 2010
Method and system for operating an electric motor coupled to multiple power supplies
GM GLOBAL TECH OPERATIONS INC17 citations84
US7774148B2Aug 10, 2010
Torque estimator for IPM motors
GM GLOBAL TECH OPERATIONS INC10 citations84
US7723946B2May 25, 2010
Method and system for pulse position scheduling in electric drives
GM GLOBAL TECH OPERATIONS INC12 citations84
US7719138B2May 18, 2010
Two-source series inverter
GM GLOBAL TECH OPERATIONS INC8 citations84
US7679310B2Mar 16, 2010
Method and system for controlling pulse width modulation in a power inverter in electric drives
GM GLOBAL TECH OPERATIONS INC16 citations84
US7675192B2Mar 9, 2010
Active DC bus filter for fuel cell applications
GM GLOBAL TECH OPERATIONS INC9 citations84
US7652443B2Jan 26, 2010
Method and system for controlling a power inverter in electric drives
GM GLOBAL TECH OPERATIONS INC10 citations84
US7622877B2Nov 24, 2009
Method and system for controlling permanent magnet AC machines
GM GLOBAL TECH OPERATIONS INC16 citations84
US7592765B2Sep 22, 2009
Method and system for controlling synchronous motor drive systems
GM GLOBAL TECH OPERATIONS INC18 citations84
GEN MOTORS CORP
14 patentsUS7262536B2Aug 28, 2007
Gearless wheel motor drive system
GEN MOTORS CORP62 citations96
US6288515B1Sep 11, 2001
System and method for controlling a surface-mounted permanent magnet synchronous machine drive over a wide speed range using a reference voltage
GEN MOTORS CORP86 citations96
US6222335B1Apr 24, 2001
Method of controlling a voltage-fed induction machine
GEN MOTORS CORP59 citations96
US6163128ADec 19, 2000
Method and drive system for controlling a permanent magnet synchronous machine
GEN MOTORS CORP67 citations95
US6950321B2Sep 27, 2005
Active damping control for L-C output filters in three phase four-leg inverters
GEN MOTORS CORP36 citations93
US6924993B2Aug 2, 2005
Method and apparatus for controlling a stand-alone 4-leg voltage source inverter
GEN MOTORS CORP36 citations93
US6504329B2Jan 7, 2003
Apparatus and method for controlling permanent magnet electric machines
GEN MOTORS CORP22 citations93
US7391181B2Jun 24, 2008
Loss minimized PWM for voltage source inverters taking into account inverter non-linearity
GEN MOTORS CORP33 citations92
US7061134B2Jun 13, 2006
Method and system for improved thermal management of a voltage source inverter operating at low output frequency utilizing a zero vector modulation technique
GEN MOTORS CORP20 citations92
US6864646B2Mar 8, 2005
Multiple inverter system with low power bus ripples and method therefor
GEN MOTORS CORP54 citations92
US6617820B2Sep 9, 2003
Auxiliary power conversion by phase-controlled rectification
GEN MOTORS CORP33 citations92
US6262896B1Jul 17, 2001
Auxiliary power conversion for an electric vehicle using high frequency injection into a PWM inverter
GEN MOTORS CORP53 citations92
US6870348B2Mar 22, 2005
Rotor resistance adaptation for indirect field oriented control of induction machine
GEN MOTORS CORP24 citations89
US6362585B1Mar 26, 2002
Controlling electric vehicle DC bus voltage ripple under step mode of operation
GEN MOTORS CORP27 citations89
FARADAY & FUTURE INC
1 patentRIVIAN IP HOLDINGS LLC
1 patentFARADAY&FUTURE INC
1 patentWELCHKO BRIAN A
1 patentPERISIC MILUN
1 patentGALLEGOS-LOPEZ GABRIEL
1 patentSCHULZ STEVEN E
1 patentShowing the top 50 of 125 patents by PatentIndex Score.