Inventor

LU YISONG

US18 patents

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

LU YISONG

ALLEGRO MICROSYSTEMS LLC

Electric motor stall detection

Motor controller with accurate current measurement

Motor control using phase current and phase voltage

Digital demodulator for pulse-width modulated (PWM) signals in a motor controller

Methods and apparatus for motor startup with sinusoidal phase current

Determining motor position with complementary driving and detection and current injection

Determining motor position with complementary drive and detect and slight move

Methods and apparatus for three-phase motor control with error compensation

Methods and apparatus for three-phase motor control with error compensation

BLDC motor controller/driver

Motor controller with power feedback loop

TEXAS INSTRUMENTS INC

BLDC zero crossing with BEMF, gating, and tri-state detect circuitry

BLDC motor sinusoidal PWM with single phase BEMF slot detection

Process of operating a hybrid controller for brushless DC motor

Hybrid controller for brushless DC motor

Hybrid controller for brushless DC motor

CHUAH YEW TAT

System and method for synchronizing sinusoidal drive to permanent magnet motor without distorting drive voltage

ZHANG RUOCHEN

PWM duty cycle synthesizer and method with adjustable corner frequency