The simulation analysis of hydraulic energy regenerative system for the burden vehicle based on the Linear Quadratic Regulator theory

The 2nd International Conference on Information Science and Engineering Pub Date : 2010-12-01 DOI:10.1109/ICISE.2010.5688834

So Re-Feng, Yang Qian-ming

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Abstract

The energy regenerative system of the burden vehicle based on hydraulic accumulator has arousing a wide attention because of its particular higher power density in recent years. Taking hydraulic hybrid vehicle as a study object and the speed following of the secondary component (hydraulic motor mode) as the control objective, the state space math model of the electrical-hydraulic control system has been established in this paper. The math model of the control system imported the quadratic optimal control theory or not has been simulated and analyzed all alone. The results of simulation showed that the vibration and overshoot of the response course of the control system obtained inhibited and attenuated largely when the system imported the quadratic optimal control theory and the control system behaved a better response performance at the same time. Besides that the response performance of this control system behaves well or not has a close relationship to the value of the parameter Q and R of the weighted matrix.

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基于线性二次型调节器理论的载重车液压馈能系统仿真分析

近年来，基于液压蓄能器的载重车能量再生系统以其较高的功率密度引起了广泛的关注。本文以液压混合动力汽车为研究对象，以二次元件(液压马达模式)的速度跟随为控制目标，建立了电液控制系统的状态空间数学模型。对是否引入二次最优控制理论的控制系统数学模型进行了单独仿真分析。仿真结果表明，当系统引入二次最优控制理论时，控制系统的振动和响应过程的超调得到了很大的抑制和衰减，同时控制系统具有较好的响应性能。此外，该控制系统的响应性能好坏与加权矩阵参数Q和R的取值密切相关。

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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The 2nd International Conference on Information Science and Engineering

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