Abstract: The torque ripple of an electrical machine will affect the control accuracy and trigger vibration and noise in the system. Consider only the motor itself, the torque ripple is mainly caused ...

Abstract: This paper proposes efficient structures of Adaptive Notch Filters (ANF) implemented as constrained ARMA models. These ANF suit very well for fast frequencies tracking and evolutionary ...

Tube passengers were targeted in a text message scam using homemade "SMS blasters" hidden inside suitcases, a court heard. Inner London Crown Court was told that travellers on the London Underground ...