电磁驱动配气机构的反演滑模控制

摘要/Abstract

摘要： 为了满足电磁气门的应用要求，在分析自行研制的电磁驱动配气机构结构特点和建立其数学模型的基础上，提出了一种电磁驱动配气机构新型控制方法，该控制方法是基于反演法思想，将自适应控制与滑模控制优点相结合的复合型控制方法。仿真结果表明，该控制方法可以精确控制气门运动，对系统参数变化和外部干扰均具有良好的鲁棒性能。为了验证该控制方法的有效性，建立实验平台进行了实验。当设定气门升程为8 mm, 理想气门过渡时间为4.8 ms时，实验结果与仿真结果相近。由实验结果可知，气门过渡时间为3.3 ms，落座速度为0.055 m/s。

关键词: 电磁驱动配气机构, 反演控制, 自适应控制, 滑模控制, 鲁棒性

Abstract: To satisfy the application requirements of the EMVAs, a new control scheme was presented based on the analysis of structural features and the establishment of mathematical model of the self-developed EMVA. The control method is a compound algorithm based on the back-stepping control, combining with the advantages of adaptive control and sliding mode control. The simulation results show that the proposed control method may achieve precise valve motions, and also has strong robustness to system parametric variations and external disturbances. An experimental set-up was used to verify the effectiveness of the proposed method. When the valve lift is set as 8 mm and the ideal transition time is set as 4.8 ms, the experimental results are in good accordance with the simulation results, and a transition time of 3.3 ms and a seating velocity of 0.055 m/s are obtained.

Key words: electromagnetic valve actuator(EMVA), back-stepping control, adaptive control, sliding mode control, robustness

中图分类号:

TP359

范爱民;常思勤;陈慧涛. 电磁驱动配气机构的反演滑模控制[J]. 中国机械工程.

FAN Aimin;CHANG Siqin;CHEN Huitao. Back-stepping Sliding Mode Control for an Electromagnetic Valve Actuator[J]. China Mechanical Engineering.

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