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| 基于Hammerstein模型和GA的非线性广义预测控制 | |
| 引用本文： | 向丹,迟永滨,杨永. 基于Hammerstein模型和GA的非线性广义预测控制[J]. 暨南大学学报(自然科学与医学版), 2008, 29(1): 16-19 |
| 作者姓名： | 向丹 迟永滨 杨永 |
| 作者单位： | 1. 华南理工大学,汽车工程学院,广东,广州,510644;广东技术师范学院,自动化系,广东,广州,510635 2. 华南理工大学,汽车工程学院,广东,广州,510644 3. 广东技术师范学院,自动化系,广东,广州,510635 |
| 摘 要： | 针对Hammerstein型的非线性系统,给出了一种基于GPC的预测控制方法.分析了使用近似法求解控制量的缺点,据此提出了基于遗传算法的控制量优化求解策略.以一个热交换器作为仿真实例,分别使用遗传算法和两种近似法求取控制量,并比较了3种情况下的控制效果.仿真结果表明基于遗传算法的预测控制器具有良好的性能. |
| 关 键 词： | Hammerstein模型 非线性系统 广义预测控制 遗传算法 |
| 文章编号： | 1000-9965（2008）01-0016-04 |
| 收稿时间： | 2007-09-21 |
| 修稿时间： | 2007-09-21 |
Generalized predictive control of nonlinear systems based on Hammerstein model and GA |
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| XIANG Dan,CHI Yong-bin,YANG Yong. Generalized predictive control of nonlinear systems based on Hammerstein model and GA[J]. Journal of Jinan University(Natural Science & Medicine Edition), 2008, 29(1): 16-19 | |
| Authors: | XIANG Dan CHI Yong-bin YANG Yong |
| Abstract: | A predictive control scheme based on GPC which can be represented by a Hammerstein model is introduced for nonlinear systems. The disadvantages of obtaining control in approximate ways are analyzed, and the optimality criterion based on genetic algorithm is proposed. During the simulation of a heat exchanger, genetic algorithm and two approximate ways are used to get control respectively, and then the control effects of these three methods are compared. Simulation results show good performance of the nonlinear predictive controller based on genetic algorithm. |
| Keywords: | hammerstein model nonlinear system generalized predictive control genetic algorithm |
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