一种用于无凸轮内燃机的压电伺服液压执行器及其MPC控制

2014 International Conference on Control, Decision and Information Technologies (CoDIT) Pub Date : 2014-11-01 DOI:10.1109/CoDIT.2014.6996939

Benedikt Haus, Paolo Mercorelli, N. Werner

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引用次数: 2

摘要

本文提出了一种混合式作动器的模型。它由压电机械结构(包括液压传动比)和液压集料组成。在此基础上，提出了一种基于模型预测控制(MPC)的串级控制策略来跟踪周期阀轨迹信号。所提出的串级控制结构由一个内部控制器和一个外部控制器组成。二级内部控制器是实现软着陆所必需的。mpc与两个前馈控制动作相结合，一个用于模型的每个部分。仿真结果验证了控制方法的适用性。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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A piezo servo hydraulic actuator for use in camless combustion engines and its control with MPC

In this paper a model of a hybrid actuator is proposed. It consists of a piezo-mechanical structure (including a hydraulic transmission ratio) and a hydraulic aggregate. Moreover, a cascade control strategy based on Model Predictive Control (MPC) is proposed to track periodic valve trajectory signals. The proposed cascade control structure consists of an internal and an external controller. The secondary, internal controller is needed to accomplish a Soft Landing. The MPCs are combined with two feed forward control actions, one for each part of the model. Simulation results carried out the suitability of the control approach.

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2014 International Conference on Control, Decision and Information Technologies (CoDIT)

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