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《Journal of Chongqing University of Technology(Natural Science)》 2013-04
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A Smart Valve Positioner Control Algorithm Research

FU Jian,MA Lin(Chongqing Chuanyi Automation Co.,Ltd.,Chongqing 401121,China)  
The smart valve positioner as a core part of the entire control valve control system,played a pivotal role in the industrial control.Aiming at the problem of unsmooth control speed curve and overshoot in the valve working process in the smart valve positioner control algorithm design,and using a pulse width modulated control,this paper proposed quantization control algorithm for positioning speed on the basis of "5-step switch",achieving bumpless switching between algorithms.The experimental results show that the algorithm is effective to solve the above problems,and have the characteristics of being adaptive and robust.
【Fund】: 国家“863”计划资助项目(SS2012AA040606)
【CateGory Index】: TH134;TP301.6
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