摘要
集结策略在减少预测控制在线计算量同时也必然带来控制性能的下降,研究集结策略与控制器性能的关系,对于应用集结策略有着重要的意义。约束预测控制器不存在公式解,无法从理论上得到集结策略与控制器性能的关系。通过仿真研究的方法,结合定性分析,研究了集结阵维数和集结阵结构对控制器性能影响,以及衰减策略下不同衰减率的集结阵对控制器性能影响。仿真得到的结果能有效地指导实际系统中集结阵的选取,使集结预测控制器具有良好的性能。
The aggregation strategy of model predictive control can reduce the online computation complexity at the cost of controller＇s performance. The research of relations between aggregation strategy and performance is an important problem in implicating the aggregation strategy. Such relations cannot be established through theoretic research without explicit solution in constraint model predictive control. Through simulation and qualitative analysis, the paper investigates the influences of different dimensions and structures of aggregation matrix on the performance of the controller and so forth. The result of simulation could direct the design of aggregation matrix efficiently and improve the performance of controller.
出处
《计算机仿真》
CSCD
2008年第10期332-335,共4页
Computer Simulation
基金
国家自然科学基金(60474002
60674041)
国家863计划(2006AA04Z173)资助
关键词
预测控制
集结
性能分析
Predictive control
Aggregation
Performance analysis
