Abstract: In this article, in order to suppress torque ripple and enhance output torque for bi-directional magnetic field modulation (BD-MFM) motors, a novel trapezoidal PM bi-directional magnetic ...
Abstract: Traditional direct torque control (DTC) system of permanent magnet synchronous motor has two main problems, one is large torque ripple, and the other is the switching frequency is not ...
General Motors is investing $500 million in a key factory to boost gas-powered car production—here’s what it means for buyers and the industry. GM invests $550 million in Ohio and Michigan plants to ...
Today the Standard publishes a ready reckoner calculator to help readers to work out whether they will be better or worse off once all the measures announced come into effect. More than 1.7 million ...
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