Hackaday

Accurate Split-Flap Display Can Be 3D Printed

Split-flap displays are a great, low-power way to display text to a wide audience. Compared to other display technologies ...
Hackaday

Hack Improves Cheap Speed Controllers

Tony Goacher] has worked with a lot of cheap brushless DC motor controllers built in China. They can be very cost-effective, ...
IEEE

Implementation of FPGA-based Neural Network Controller for Reducing Speed Ripple for a PMSM-driven EV using MRAS Speed Estimator

Abstract: The conventional model reference adaptive system (MRAS) employs a proportional-integral (PI) controller with a low-pass filter (LPF). However, the LPF and integrator add phase delay and DC ...
IEEE

Harmonic Mitigation of Rotor Position Quantization Errors in High-speed PMSM Applications with Low-resolution Encoders

Abstract: Low-resolution encoders (LREs) in high-speed permanent magnet synchronous motor (PMSM) digital control systems face significant challenges from quantization errors. Due to spectral aliasing, ...
People

Woman with One Hand Who Went Viral After Cop Pulled Her Over and Accused Her of Using Cell Phone Gets Hilarious Surprise Cake

Katie's citation was dismissed on May 26 at the request of the officer involved due to "insufficient evidence," according to court records reviewed by PEOPLE Dairy Queen Greenacres/Instagram Kathleen ...