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Front. Inform. Technol. Electron. Eng.  2014, Vol. 15 Issue (4): 293-299    DOI: 10.1631/jzus.C1300218
    
A frequency domain design of PID controller for an AVR system
Md Nishat Anwar, Somnath Pan
Department of Electrical Engineering, Indian School of Mines, Dhanbad 826004, India
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Abstract  We propose a new proportional-integral-derivative (PID) controller design method for an automatic voltage regulation (AVR) system based on approximate model matching in the frequency domain. The parameters of the PID controller are obtained by approximate frequency response matching between the closed-loop control system and a reference model with the desired specifications. Two low frequency points are required for matching the frequency response, and the design method yields linear algebraic equations, solution of which gives the controller parameters. The effectiveness of the proposed method is demonstrated through examples taken from the literature and comparison with some popular methods.

Key words： Automatic voltage regulation (AVR)      PID controller      Frequency response matching     
Received: 15 August 2013      Published: 10 April 2014
CLC:  TP273  
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Md Nishat Anwar
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Md Nishat Anwar, Somnath Pan. A frequency domain design of PID controller for an AVR system. Front. Inform. Technol. Electron. Eng., 2014, 15(4): 293-299.

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http://www.zjujournals.com/xueshu/fitee/10.1631/jzus.C1300218     OR     http://www.zjujournals.com/xueshu/fitee/Y2014/V15/I4/293


A frequency domain design of PID controller for an AVR system

We propose a new proportional-integral-derivative (PID) controller design method for an automatic voltage regulation (AVR) system based on approximate model matching in the frequency domain. The parameters of the PID controller are obtained by approximate frequency response matching between the closed-loop control system and a reference model with the desired specifications. Two low frequency points are required for matching the frequency response, and the design method yields linear algebraic equations, solution of which gives the controller parameters. The effectiveness of the proposed method is demonstrated through examples taken from the literature and comparison with some popular methods.

关键词： Automatic voltage regulation (AVR),  PID controller,  Frequency response matching 
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