Interesting Engineering

US invests $32.7M to expand solid rocket motor supply as missile demand surges

New DPA investments target SRM nozzles and insulation as the Department of War moves to strengthen domestic munitions ...
GM Authority

Your GM Vehicle May Soon Have More Complex Power Window Switches

GM has filed a patent application for a vehicle window switch design, potentially consolidating multiple window functions ...
GM Authority

Some Chevy Equinox EV, Blazer EV Units Need A Drive Motor Control Module Fix

GM has released a new customer satisfaction program for the Chevy Equinox EV and Blazer EV, addressing an issue with the drive motor power control module.
IEEE

Sensorless Starting Control of the Brushless Synchronous Starter/Generator Based on Flux and Parameter Estimation of the Main Exciter

Abstract: Using the main exciter (ME) as the quasi-resolver is an emerging advanced sensorless control technology. Since the ME becomes a dual-use machine, the structure of a brushless synchronous ...
IEEE

Sensorless Starting Control of the Brushless Synchronous Starter/Generator by Using the Main Exciter as a Quasi-Resolver at Low Speed

Abstract: The main generator (MG) and the main exciter (ME) are mounted on the same shaft in the brushless synchronous starter/generator (BSSG). Besides, the internal high-frequency signals, caused by ...