Adaptive Digital PID Controller Implementedon 32-bit ARM7 Microcontroller
Publish place: 26th International Power System Conference
Publish Year: 1390
نوع سند: مقاله کنفرانسی
زبان: English
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شناسه ملی سند علمی:
PSC26_001
تاریخ نمایه سازی: 27 اسفند 1390
Abstract:
The variations of the process parameters is a strong reason to use adaptive controller. In this paper , the implementation of adaptive digital proportional-integral-derivative(PID)controller on 32-bit ARM7 microcontroller which is intended for general purpose applications is described. The controlled process is identified using recursive least squares algorithm, and the parameters of the PID controller are designed by the pole placement method on the basis of estimated plant coefficients. The system identification and controller designing are completely done in microcontroller. For to survey the effects of uncertainty on the process , a normalized model of a motor by MATLAB software is used. The connection between MATLAB and microcontroller is compatible with RS232 standard. The extensive studies carried out clearly proves that the proposed approach by the ARM microcontroller , is an excellent choice for control problems including adaptive control systems due to its high efficiency, speed, and robustness.
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Authors
Ali Hasanzadeh
Department of Electrical Engineering،Shahid Bahonar Univesity of Kerman IRAN
S.M.A. Mohammadi
Department of Electrical Engineering،Shahid Bahonar Univesity of Kerman IRAN
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