汽车及工业用无刷直流电动机的数学建模与模糊逻辑控制

2016 IEEE First International Conference on Control, Measurement and Instrumentation (CMI) Pub Date : 1900-01-01 DOI:10.1109/CMI.2016.7413763

Bapayya Naidu Kommula, Venkata Reddy Kota

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引用次数: 12

摘要

无刷直流电动机(BLDCM)因其效率高、维护少、控制精确等特点而广受欢迎。然而，该电机具有非线性特性，容易受到参数变化和中断的影响。对于任何汽车和工业应用来说，准确地控制速度是必不可少的。传统的PI控制器由于其固定的增益值，高峰值超调和高稳定时间，不足以精确控制该电机。在本文中，为了解决与典型PI耦合的复杂性，模糊逻辑控制器(FLC)旨在消除超调并产生快速的电机速度响应。以10kw无刷直流电动机为例，建立了无刷直流电动机的数学模型和控制器。在Matlab/Simulink环境下进行了仿真，验证了FLC的特性。

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Mathematical modeling and fuzzy logic control of a brushless DC motor employed in automobile and industrial applications

Brushless DC motors (BLDCM) are most popular because of their higher efficiency, less maintenance and precise control characteristics. However, this motor has nonlinear nature and can be affected easily by the parameter change and disruption. For any automobile and industrial applications, it is essential to govern the speed accurately. Because of their fixed gain values, high peak overshoot and high settling time the conventional PI controllers are inadequate to control this motor accurately. In this paper, to resolve the complications coupled with the typical PI, Fuzzy Logic Controller (FLC) is intended to eradicate the overshoot and to produce fast speed response of motor. The mathematical modeling of BLDCM along with the controller has been deduced for a 10 kW BLDC motor. The simulations are done in Matlab/Simulink environment for validating characteristics of FLC.

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2016 IEEE First International Conference on Control, Measurement and Instrumentation (CMI)

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