Road-Frequency Adaptive Control for Semi-Active Suspension Systems

被引：40

作者：

Nguyen, Le Hoa ^{[1
]}

Hong, Keum-Shik

Park, Seonghun ^{[1
]}

机构：

[1] Pusan Natl Univ, Sch Mech Engn, Pusan 609735, South Korea

来源：

INTERNATIONAL JOURNAL OF CONTROL AUTOMATION AND SYSTEMS | 2010年 / 8卷 / 05期

关键词：

Car suspension control; minimum norm; relative displacement sensor; road-frequency adaptive; EXTENDED KALMAN FILTER; SKY-HOOK CONTROL; VEHICLE; MODEL; DESIGN; TIME; SENSITIVITY; PERFORMANCE;

D O I：

10.1007/s12555-010-0512-1

中图分类号：

TP [自动化技术、计算机技术];

学科分类号：

0812 ;

摘要：

In this paper, a road-frequency adaptive control for semi-active suspension systems is investigated. The control aims to improve the vehicle suspension performance (ride comfort and wheel handling) for all frequency regions of road disturbances. In order to achieve this aim, the control law is extended from the conventional skyhook control, and the controller gains are scheduled for various frequency regions of road disturbances. By using the data measured from a relative displacement sensor, a state estimator based on a Kalman filter for estimating the required state variables is designed. Road disturbance frequencies are estimated by using a first order zero-crossing algorithm. The efficiency of the proposed control is shown through numerical simulations.

引用

页码：1029 / 1038

页数：10

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