|Table of Contents|

Design method of holographic optimal sliding mode controller for semi-active suspension of vehicle(PDF)

《交通运输工程学报》[ISSN:1671-1637/CN:61-1369/U]

Issue:
2016年03期
Page:
72-
Research Field:
载运工具运用工程
Publishing date:

Info

Title:
Design method of holographic optimal sliding mode controller for semi-active suspension of vehicle
Author(s):
CHEN Shi-an12 WANG Jun-cheng1 YAO Ming1
1. School of Automotive and Traffic Engineering, Jiangsu University, Zhenjiang 212013, Jiangsu, China; 2. School of Mechanical and Automotive Engineering, Zhejiang University of Water Resources and Electric Power, Hangzhou 310018, Zhejiang, China
Keywords:
automotive engineering semi-active suspension suspension comprehensive performance holographic optimal sliding mode control augmented optimal sliding mode manifold function robustness
PACS:
U463.33
DOI:
-
Abstract:
To obtain both better comprehensive performance of semi-active suspension under the nominal running condition and the enhanced robustness under the variation parameters/running condition, a design method of holographic optimal sliding mode(HOSM)controller for the semi-active suspension of vehicle was developed. First, when the current optimal sliding mode(COSM)controller was applied, the poorer reasons of the comprehensive performance of semi-active suspension under the nominal running condition and the robustness under the variation parameters/running condition were analyzed. Second, the state equations of control system for the semi-active suspension were augmented, a sliding mode manifold function considering all of structural and expected information of suspension was established, and a novel HOSM controller was designed. Finally, based on the numerical simulation, the control result of the proposed controller was compared with the control result of COSM controller and the performance of passive suspension. Analysis result shows that the comprehensive performance of semi-active suspension controlled by the HOSM controller increases by 88.30% and 38.33% compared with the values of the semi-active suspension controlled by the COSM controller and the passive suspension in the nominal running condition; under the variation parameter condition, the maximum fluctuations of comprehensive performance indexes of the suspensions controlled by the HOSM controller and the COSM controller and the passive suspension are 26.22%, 74.42%, and 46.39%, respectively; under the variation running condition, the maximum fluctuations of comprehensive performance indexes of the suspensions controlled by the HOSM controller and the COSM controller and the passive suspension are 78.55%, 106.22%, and 115.06%, respectively. Therefore, using the HOSM controller can not only achieve better comprehensive performance of semi-active suspension under the nominal running condition, but also achieve better robustness compared with the HOSM controller and the passive suspension. 7 tabs, 17 figs, 25 refs.

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Last Update: 2016-06-30