Abstract: In traditional doubly salient electromagnetic machine (DSEM) driving system, the unregulated rated field current brings in large power loss, especially under the less rated power conditions.

Abstract: This paper investigates the efficiency optimization of high-speed surface-mounted permanent magnet synchronous motors (SPMSMs) based on sensorless control. Compared with the Maximum Torque ...

This article was reviewed by Julia Switzer, MD, FACOG. Urinary incontinence is the term for a loss of bladder control. In ...

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Investigations into an October in-flight upset involving a JetBlue Airways Airbus A320 have yet to reach any firm conclusions, but suspicions of a solar particle strike have proven sufficient to order ...