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Design of Active Suspension Controller Based on StochasticLinear Optimal Control Theory
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[1]SANG Nan,WEI Minxiang,BAI Yu.Design of Active Suspension Controller Based on StochasticLinear Optimal Control Theory[J].Journal of Zhengzhou University (Engineering Science),2012,33(03):56-60.[doi:10.3969/j.issn.1671-6833.2012.03.014]
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Journal of Zhengzhou University (Engineering Science)[ISSN 1671-6833/CN 41-1339/T] Volume: 33 Number of periods: 2012 03 Page number: 56-60 Column: Public date: 2012-05-10
Title:
Design of Active Suspension Controller Based on StochasticLinear Optimal Control Theory
Author(s):
SANG Nan; WEI Minxiang; BAI Yu
1. Nanjing University of Aeronautics and Astronautics, Nanjing 210016,China; 2. School of Mechanical & Electrieal Enginering,Changzhou Institute of Technology ,Changzhou 213002 ,China
Keywords:
active suspension;  LQR controller;  optimal theory ;  Matlab
CLC:
U463.1
DOI:
10.3969/j.issn.1671-6833.2012.03.014
Abstract:
To establish the dynamics equations of the vehicle half-car model, LQR( linear quadratic regulator)controller of active suspension is designed based on stochastic linear optimal control theory, and a simulationmodel is built in Matlab/Simulink environment for the realization of this control strategy, The analysis of simu-lation results in the time domain and frequency domain shows that active suspension with the LOR controllercan effectively reduce the body acceleration and suspension dellection, and can be used to improve vehicle comfort.
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