用变结构控制器降低无刷直流电动机速度控制系统参数变化的灵敏度

Conference Record of the 1993 IEEE Industry Applications Conference Twenty-Eighth IAS Annual Meeting Pub Date : 1993-10-02 DOI:10.1109/IAS.1993.298869

C.K. Lee, N. Kwok

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引用次数: 2

摘要

研究了一种基于变结构控制器(VSC)的无刷直流电机速度控制系统。采用极点放置设计方法，结合无刷直流电机的状态空间模型，简化了VSC控制器的设计。控制器在其结构中根据系统状态偏离指定系统性能的切换面符号进行有意切换。当切换努力与系统状态偏离开关表面的大小成正比时，抖振就会减少。仿真结果表明，在VSC的应用下，系统的性能在参数变化的敏感性方面有了很大的提高。

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Reduced parameter variation sensitivity with a variable structure controller in brushless DC motor velocity control systems

A brushless DC (BLDC) motor velocity control system using a variable structure controller (VSC) has been investigated. Using the pole placement design method, with the state-space model of the BLDC motor, simplifies the design of the VSC controller. The controller is intentionally switched in its structure according to the sign of deviation of the system state from a switching surface where the system performance is prescribed. Chattering is reduced when the switching effort is made proportional to the magnitude of the system state deviation from the switching surface. With the application of a VSC, simulation results indicated that the system performance with respect to the sensitivity to parameter variations is greatly improved.<>

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Conference Record of the 1993 IEEE Industry Applications Conference Twenty-Eighth IAS Annual Meeting

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