Rely on a quality angle grinder for cutting, grinding, carving, and a host of other tasks. We tested a variety of models to ...

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This article proposes a novel speed measurement strategy for a permanent magnet arc motor (arc motor) servo system. This method improves the accuracy of a low-resolution encoder at low-speed condition ...

Goodwood Festival of Speed 2025: new cars A-Z From mainstream electric cars to bonkers hypercars, there's something for everyone at this year's Goodwood Festival of Speed.

The model-based sensorless control method of interior permanent magnet synchronous motor (IPMSM) fails at zero speed due to unobservability. In this article, a full-order state observer with virtual ...