Inventor

NONDAHL THOMAS

US17 patents

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

NONDAHL THOMAS

ROCKWELL AUTOMATION TECH INC

Transition scheme for position sensorless control of AC motor drives

Cascaded H-Bridge (CHB) inverter level shift PWM with rotation

Rotor position estimation apparatus and methods

Position sensorless open loop control for motor drives with output filter and transformer

Method and apparatus for controlling power converter with inverter output filter

Methods and systems for sensorless closed loop motor speed and torque control

Method and apparatus for identifying orientation of a stationary rotor in a sensor-less PMSM

Cascaded H-bridge (CHB) inverter level shift PWM with rotation

Control of motor drives with output sinewave filter capacitor current compensation using sinewave filter transfer function

LIU JINGBO

Cascaded H-bridge (CHB) inverter level shift PWM with rotation

Position sensorless open loop control for motor drives with output filter and transformer

Power stage precharging and dynamic braking apparatus for multilevel inverter

Rotor position estimator for an electrical machine

Method and apparatus for stability control of open loop motor drive operation

Method and apparatus for controlling power converter with inverter output filter

NONDAHL THOMAS

Method and apparatus for stability control of open loop motor drive operation

Method and apparatus for speed reversal control of motor drive