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The drive performance of permanent magnet synchronous motor (PMSM) can be deteriorated due to various disturbances. In this paper, the problem of speed control for a PMSM system with parameter uncertainties is investigated. A new control algorithm based on nonsingular terminal sliding mode control (NTSMC) is proposed, where the controller is developed for speed regulation. Compared with conventional...
SGCMG receives much concern due to the performance of its excellent torque output on spacecraft control, it has been applied to large foreign spacecraft already, but late start and only limited to configurations and steering law study in China. Based on the needs of agility small satellites, this article explained the method of SGCMG principle prototype design and proposed the influence on SGCMG output...
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