Abstract: This article proposes an improved position sensorless control method for interior permanent magnet synchronous motors (IPMSMs) using high-frequency square-wave injection (HFSI). Conventional ...

Abstract: This letter introduces a flexible bandpass filter (BPF) that employs a coaxial structure, consisting of an inner substrate, an inner conductor featuring open-loop dumbbell-shaped defects, an ...

Donald Trump has claimed the use of paracetamol in pregnancy is linked to an increased risk of autism - but what does the evidence say? Americans consume more than 40% of all the world's paracetamol, ...

A lawyer has called on senior judges to denounce mass police use of a private software-and-camera system to identify car number plates. Police tap the system run by Auckland company Auror 250,000 ...