His 11 mph over the speed limit could have been 10 mph, which falls within the grace range and wouldn’t prompt a citation. He took that argument to the DMV, which is the first appeal, all the way ...

The D.C. Council has passed its fiscal 2027 budget, sending it to the mayor and then Congress, but a fight with the city’s chief financial officer is far from settled. After restoring cuts from Mayor ...

Abstract: This paper proposes a sensorless speed control method for brushed dc motors that extends the usable speed estimation range by combining current-ripple analysis with high-frequency signal ...

Abstract: Smooth speed control is crucial for high-performance electric drives in electric aircraft applications. However, inevitable torque ripple sources, such as cogging torque and current sampling ...