PID control parameter off-line tuning method based on hidden Markov model
A control parameter, offline technology, applied in the direction of adaptive control, general control system, control/regulation system, etc., can solve the problems of incomplete coverage, reduced accuracy and comprehensiveness, limited performance index function requirements, etc.
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[0034] The working principle and working process of the present invention will be further explained and illustrated below in conjunction with the accompanying drawings.
[0035] Such as figure 1 As shown, the PID control system of the present invention has a control parameter of K p 、K i and K d It consists of PID controller, error observation system, control object model and feedback compensator. The adjusted PID control parameters of the present invention will be used in the PID controller, and the control process is completed by obtaining the error value of the error observation system and judging that it meets the control precision requirement. In order to verify that the adjusted PID parameters meet the control accuracy requirements, the obtained optimal PID parameter observation sequence is implanted into the PID controller, and the results of the error observer are read. If the error observation value meets the accuracy requirements, the parameter sequence is conside...
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