一种改进的广义预测控制算法*

作者：孔波，尚群立 日期：2010-03-26/span> 浏览：3658 查看PDF文档

一种改进的广义预测控制算法*

孔波，尚群立
（杭州电子科技大学 自动化学院，浙江 杭州 310018）

摘要：为了解决广义预测控制(GPC)算法本身计算量大以及无法兼顾快速性和超调的问题，提出了一种改进的广义预测控制算法。首先介绍了广义预测控制的基本算法和一种新型算法，包括算法的基本理论和优缺点，然后经过一定的数学分析，提出了一种改进算法，最后对3种算法进行了Matlab仿真，以比较静态误差。实验结果表明，该改进算法不仅能大大减少计算量，而且能很好地抑制超调，同时兼顾了快速性。
关键词：广义预测控制；超调；柔化系数
中图分类号：TP273文献标识码：A文章编号：1001-4551(2010)01-0025-03

Modified generalized predictive control algorithm
KONG Bo, SHANG Qunli
(College of Automatization, Hangzhou Dianzi University, Hangzhou 310018, China)
Abstract: Aiming at solving the problem of big calculation amount of generalized predictive control (GPC) algorithm itself and not consideration to both rapidity and over modulation, a modified algorithm was advanced. Firstly the basic algorithm of generalized predictive control and a newfashioned algorithm were introduced, including the fundamental theory and the good and bad points. Then by means of certain mathematical analysis a modified algorithm was offered. At last the Matlab simulations to the three algorithms were carried on to compare the static error. The result indicates that the modified algorithm not only reduces the calculation amount but also controls the over modulation well and gives dual attention to rapidity simultaneously.
Key words: generalized predictive control(GPC); over modulation; flexible coefficient
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