Inventor

SON YO CHAN

US40 patents

⚠️ This page may combine multiple inventors who share the name “SON YO CHAN”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

SON YO CHAN

GM GLOBAL TECH OPERATIONS LLC

Method for motor and inverter temperature control

Active masking of tonal noise using motor-based acoustic generator to improve sound quality

Method and apparatus for acoustic signal generation

Method for torque control systems and methods based on rotor temperature

Method and apparatus for monitoring speed and position of a rotating member

Early detection of motor stator winding faults

Method and apparatus to monitor a resolver

Method and apparatus for controlling an electrified powertrain system of a vehicle

Systems and methods for operating motors with a single motor position signal

Driveline system with nested loop damping control

Method and apparatus for vibration damping in a powertrain system

Control of six step pulse width modulation with flux weakening

Error correction in a vector-based position sensing system

Resolver phase compensation

GM GLOBAL TECH OPERATIONS INC

Method and system for limiting the operating temperature of an electric motor

Electric motor stator winding temperature estimation

Linearity for field weakening in an interior permanent magnet machine

Linearity for field weakening in an interior permanent magnet machine

Power inverter module thermal management

Method and apparatus for monitoring a system including a sensorless electric motor

Permanent magnet motor start-up

Permanent magnet AC motor systems and control algorithm restart methods

Initial polarity detection for permanent magnet motor drives

Method and apparatus for monitoring rotational position of an electric machine

Method and apparatus for fault mitigation in a torque machine of a powertrain system

Methods, systems and apparatus for generating voltage commands used to control operation of a permanent magnet machine

PATEL NITINKUMAR R

Methods, systems and apparatus for dynamically controlling an electric motor that drives an oil pump

Method and apparatus for low speed permanent magnet motor operation

Position sensorless control of permanent magnet motors

Limp home operational mode for an electric vehicle

Fail-safe controls for electric traction drive systems

SON YO CHAN

Method and system for sensorless control of an electric motor

Method and system for initiating operation of an electric motor

Method and system for sensorless control of an electric motor

GEN MOTORS CORP

Position sensorless control algorithm for AC machine

YEH CHIA-CHOU

Electric motor stator winding temperature estimation

SCHULZ STEVEN E

Vector controlled motor drive system implementing pulse width modulated (PWM) waveforms

CAMPBELL MENGWEI

Methods and systems for induction motor control

NAGASHIMA JAMES M

Method and system for creating a vibration in an automobile

PERISIC MILUN

Method and system for estimating electrical angular speed of a permanent magnet machine