A global harmony search algorithm and its application to PID control

被引:0
|
作者
Zou, De-Xuan [1 ]
Gao, Li-Qun [1 ]
Wu, Pei-Feng [1 ]
Wu, Jian-Hua [1 ]
机构
[1] School of Information Science and Engineering, Northeastern University, Shenyang 110004, China
关键词
Constrained optimization - Problem solving;
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摘要
Restricted by the multi-function H∞ criterion, the PID control is essentially a constrained optimization problem. A global harmony search (GHS) algorithm is introduced to solve the problem since GHS has strong convergence and the capability of getting rid of the local optimum due to the utilization of position updating and mutation with low probability. Then, the contradiction between objective and constraint can be settled by combining GHS with a penalty function. Experimental results showed that the GHS algorithm has a high developability to solve the spatial problems of PID control, and that the solutions by GHS are better than the other ones in earlier work.
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页码:1534 / 1537
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