汽车电子节气门系统无抖振滑模控制方法研究
Research on Chattering Free Sliding Mode Control Method of Automotive Electronic Throttle System
贾启阳1
作者信息
- 1. 天津交通职业学院汽车工程学院,天津 300393
- 折叠
摘要
针对电子节气门(ET)系统非线性特性对节流阀控制精度的影响,提出了一种鲁棒自适应无抖振滑模控制(ACF-SM)方法.该控制方法考虑了ET系统非线性和参数不确定性的影响,引入了遗传算法(GA)优化了ACFSM控制器的控制参数获得了平滑的控制信号,结合所设计的自适应控制律减轻了不确定性的影响.为验证所提控制方法的有效性,通过实验表明ASCFM控制器不仅在闭环系统响应中不存在抖振现象,而且可以很好地保持良好的瞬态和稳态跟踪性能.通过对比表明ASCFM控制器在跟踪性能上优于ASM控制器,尤其在节流阀遇到外部干扰时,所提出的AS-CFM控制器具有较强的鲁棒性.
Abstract
Aiming at the influence of nonlinear characteristics of electronic throttle(ET)system on throttle control accuracy,a ro-bust adaptive chattering free sliding mode control(ACFSM)method is proposed.The control method considers the influence of ETsystem nonlinearity and parameter uncertainty,introduces genetic algorithm(GA),optimizes the control parameters of ACF-SM controller,obtains smooth control signal,and reduces the influence of uncertainty combined with the designed adaptive con-trol law.In order to verify the effectiveness of the proposed control method,experiments show that ACFSM controller not only has no chattering in the response of the closed-loop system,but also can maintain good transient and steady-state tracking perfor-mance.The comparison shows that ACFSM controller is better than ASM controller in tracking performance,especially when the throttle valve encounters external interference,the proposed ACFSMcontroller has strong robustness.
关键词
电子节气门/自适应滑模控制/跟踪性能/抖振Key words
Electronic Throttle/Adaptive Sliding Mode Control/Tracking Performance/Buffeting引用本文复制引用
基金项目
天津市科技计划(2021)(21YDTPJC00980)
出版年
2024
NETL
NSTL
万方数据