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SPEED CONTROL OF FIELD-ORIENTED PM-HYBRID STEPPING MOTOR USING H_2 ROBUST STRATEGY

机译:基于H_2鲁棒策略的永磁混合步进电动机的速度控制。

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摘要

As it known, the classical open-loop control systems of the stepper motor offer poor dynamic performances at high speed and in case when strongly load-torque variations occur. The vector control strategy can improve fundamentally the dynamic performance of this actuator, and we can obtain similar performances with case of the DC motor ones. In order to achieve the insensitivity of the motor regarding the parameter variations and external disturbances, a robust control strategy is proposed too. In this reason a high performance H_2 speed-controller is designed for the motor drive. Taking into account the motor dq rotor oriented model, carefully computer-aided simulations are carried out in order to prove robustness and the good dynamic response of the motor. The laboratory prototype digital control system used for the experiments and measurements are also indicated in the paper.
机译:众所周知,步进电机的传统开环控制系统在高速下以及在出现强烈的负载转矩变化的情况下,动态性能较差。矢量控制策略可以从根本上改善该执行器的动态性能,在直流电动机的情况下,我们可以获得类似的性能。为了在参数变化和外部干扰方面实现电机的不灵敏性,还提出了一种鲁棒的控制策略。因此,为电机驱动设计了高性能的H_2速度控制器。考虑到电机dq转子定向模型,仔细进行了计算机辅助仿真,以证明电机的鲁棒性和良好的动态响应。本文还指出了用于实验和测量的实验室原型数字控制系统。

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