When your heating system goes bump in the night: What those noises really mean

The truth is that heating and cooling systems naturally make noise. Some sounds are harmless; others are red flags. And with ...
IEEE

Logistic-Function Shaping of Radial Force for Acoustic Noise Reduction in Switched Reluctance Motor

Abstract: In this paper, radial-force shaping using the logistic function is proposed for acoustic noise reduction in switched reluctance motors. The proposed radial-force shaping regulates the radial ...
Electrek

Ferrari is rejecting fake engine noise for its first EV, and opts for ‘authentic’ motor sound

Ferrari has released details about its approach to powertrain sounds with its first electric vehicle, the Elettrica, and I am intrigued. If well-executed, I even think it might convince some ...
IEEE

Multimodal Low-Noise Sensorless Control of New Flux Leakage Controllable Permanent Magnet Motor

Abstract: To tackle audible noise caused by sensorless control operation of the flux leakage controllable permanent magnet (FLC-PM) motor under typical operating conditions in the low-speed range, a ...