Abstract: The normal electromagnetic force wave plays a critical role in electromagnetic vibration of permanent magnet synchronous linear motors (PMSLMs). In this article, a PMSLM designed with hybrid ...

Abstract: This paper focuses on acoustic noise reduction by the injection of the third and ninth harmonics into the zero-sequence current in surface permanent motors. In the proposed method, the sixth ...

The US will now use the laser to simulate the extreme physical conditions that nuclear weapons face.

And many corporations, big and small, have joined the conversation, issuing statements vowing to stand with the Black Lives Matter movement. Some tech behemoths -- like Apple, Amazon, Microsoft ...