Interesting Engineering

European firms aim to industrialize radar seeker tech for air defense interceptors

TNO and Destinus are developing advanced RF seekers to help European interceptor systems detect targets in poor weather and ...
Hackaday

Bubbles, Belts, And Bulbs: How The Scantron Works

Many of us remember back in our school days taking tests and filling out answers on a Scantron sheet, those long rows of A, B ...
Hackaday

DIY SI5351 Radio Tunes In SW, MW, And More

There are plenty of radios you can buy that pick up MW and SW bands if that’s what you’re into. Or, you can follow [mircemk]’s example, and whip one up yourself instead. The build employs an ESP32 as ...
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 ...
KHQ

Spokane speed limit cuts proposed on nine arterial road sections

Spokane, Wash. — Spokane city leaders are set to discuss a proposal that would lower posted speed limits on sections of nine arterial roads, according to city agenda materials for the Public ...