基于LQG基准的怠速控制系统PID控制器性能评价

吉林大学学报(工学版) ›› 2013, Vol. 43 ›› Issue (增刊1): 183-188.

基于LQG基准的怠速控制系统PID控制器性能评价

孙超杰^1,2, 马彦^1,2, 周秀文^1,2, 陈虹^1,2

1. 吉林大学汽车仿真与控制国家重点实验室,长春 130025;
2. 吉林大学通信工程学院,长春 130025

收稿日期:2012-06-05 发布日期:2013-06-01
作者简介:孙超杰(1987-),男,硕士.研究方向:模式识别与智能识别.E-mail:yma@jlu.edu.cn
基金资助:
NSFC重大计划重点支持项目(90820302);国家自然科学基金重点项目(61034001).

Performance assessment of PID controller of idle speed control system based on the LQG benchmark

SUN Chao-jie^1,2, MA Yan^1,2, ZHOU Xiu-wen^1,2, CHEN Hong^1,2

1. State Key Laboratory of Automotive Simulation and Control, Jilin University, Changchun 130025, China;
2. School of Communication and Engineering, Jilin University, Changchun 130025, China

Received:2012-06-05 Published:2013-06-01

摘要/Abstract

摘要：

采用线性二次高斯(LQG)基准评价发动机怠速控制回路的性能,在控制回路中不含可测干扰和含有可测干扰两种情况下提出LQG基准的算法。通过脉冲响应矩阵求解得到了最优LQG控制律和不同加权因子下的最优输入输出方差,从而得到性能限制曲线和输入输出方差性能指标。针对四组发动机怠速系统PID控制器,应用LQG基准进行了性能评价分析,给出了最优控制器。

关键词: 比例积分微分控制器, 线性二次高斯基准, 控制性能评价, 怠速控制系统

Abstract:

By adopting linear quadratic gaussian (LQG) benchmark to assess engine idle speed control loop performance,LQG benchmark algorithms in two cases of control loop containing and without containing measurable disturbance were proposed.The benchmark obtained the optimal input and output variances under different weighting factor values by using impulse response matrices to solve optimal LQG control law.The trade-off curve and input and output variances indices can be provided.Performance assessment of the four PID controllers of the engine idle speed systems are analyzed base on the LQG benchmark.

Key words: proportional integral derivative(PID) controller, linear quadratic gaussian (LQG) benchmark, control performance assessment, idle speed control system

中图分类号:

TP14

孙超杰, 马彦, 周秀文, 陈虹. 基于LQG基准的怠速控制系统PID控制器性能评价[J]. 吉林大学学报(工学版), 2013, 43(增刊1): 183-188.

SUN Chao-jie, MA Yan, ZHOU Xiu-wen, CHEN Hong. Performance assessment of PID controller of idle speed control system based on the LQG benchmark[J]. 吉林大学学报(工学版), 2013, 43(增刊1): 183-188.

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