燃料电池轿车动力系统线性二次型最优控制研究  

A Study on the Linear Quadratic Optimal Control for Fuel Cell Car Powertrain

作　　者：贠海涛[1] 孙泽昌[2] 万钢[2] 赵玉兰[1] 

机构地区：[1]青岛理工大学汽车与交通学院,青岛266033 [2]同济大学汽车学院,上海201804

出　　处：《汽车工程》2007年第2期112-116,共5页Automotive Engineering

基　　金：国家"863"高技术研究发展计划项目(2003AA501011)资助。

摘　　要：建立了包括燃料电池发动机、电机及其控制器、动力蓄电池组在内的燃料电池轿车动力系统的动态数学模型,根据系统的噪声特性,将动力系统线性二次型最优控制问题归结为线性二次型高斯问题,并建立了考虑随机干扰的燃料电池轿车动力系统线性二次型最优动力控制算法。离线仿真和实车转鼓试验证明,该算法能够充分考虑动力系统主要部件的动力性和经济性,具有一定的实用价值。Constructed in this paper is the dynamic mathematic model for a fuel cell car powertrain which is composed of fuel cell engine, DC motor and its controller, and power battery pack. Based on the noise characteristic of the powertrain, the linear quadratic optimal control of powertrain is boiled down to a linear quadratic Gauss prob- lem, and a linear quadratic optimal control algorithm for the powertrain is established taking into account the influ- ence of random disturbance. The off-line simulation and chassis dynamometer test show that the algorithm can take into full account the oerformance and fuel economv of fuel cell car nowertrain, attaining set control objective.

关 键 词：燃料电池轿车 动力系统 建模 线性二次型最优控制 

分 类 号：U469.72[机械工程—车辆工程]