农业机械学报2017，Vol.48Issue(4)：349-354,6.DOI:10.6041/j.issn.1000-1298.2017.04.046
汽车电子节气门位置最优预见控制
Optimal Preview Position Control for Automotive Electronic Throttle
摘要
Abstract
Based on the theories of linear quadratic regulator (LQR) control and linear matrix inequality (LMI),a scheme of discrete-time optimal preview position control algorithm for automotive electronic throttle control (ETC) system was proposed.The presented throttle valve position tracking control algorithm consisted of the state-feedback control,discrete integrator,and preview feed-forward control.The closed-loop controller was realized by only utilizing a low-cost sliding potentiometer which was used to measure the angle position of the throttle valve.To track the position of automotive electronic throttle valve,the discrete-time state space model was firstly established for the automotive ETC system.Then,the augmented error system which contained future position reference information was built by using the state transformation method instead of the traditional difference method,which helped to simplify the structure of the augmented error system.In simulations,the physical parameters uncertainty and external disturbance torque of the real automotive electronic throttle control system were also considered,and the simulation results were verified by bench tests for throttle through utilization of the rapid control prototyping (RCP) technology.Both simulation and test results demonstrated that the proposed discretetime optimal preview position control algorithm was able to effectively improve the transient performance and robustness of the ETC system while guaranteeing the tracking accuracy.Hence,the application of the presented control scheme on the ETC system can further improve the fuel economy,dynamic and exhaust oerformance of gasoline engine.关键词
汽车电子节气门/位置跟踪/最优预见控制/快速控制原型/鲁棒性Key words
automotive electronic throttle/position tracking/optimal preview control/rapid control prototyping/robustness分类
交通工程引用本文复制引用
张邦基,陈志强,田阳,张农,王明..汽车电子节气门位置最优预见控制[J].农业机械学报,2017,48(4):349-354,6.基金项目
国家自然科学基金项目(U1234208)和汽车车身先进设计制造国家重点实验室自主项目(71575005) （U1234208）
