Robust control synthesis for seat suspension systems with actuator saturation and time-varying input delay

被引：79

作者：

Zhao, Yingbo ^{[1
]}

Sun, Weichao ^{[1
]}

Gao, Huijun ^{[1
]}

机构：

[1] Harbin Inst Technol, Space Control & Inertial Technol Res Ctr, Harbin 150006, Peoples R China

来源：

JOURNAL OF SOUND AND VIBRATION | 2010年 / 329卷 / 21期

基金：

中国国家自然科学基金;

关键词：

FULL VEHICLE MODEL; H-INFINITY CONTROL; VIBRATION CONTROL; MULTIOBJECTIVE CONTROL; DEPENDENT STABILITY; DISTRIBUTED DELAYS; NEURAL-NETWORK; DISCRETE; DESIGN; UNCERTAINTY;

D O I：

10.1016/j.jsv.2009.09.017

中图分类号：

O42 [声学];

学科分类号：

070206 ; 082403 ;

摘要：

The control synthesis problem is investigated in this paper for a class of semi-active seat suspension systems with norm-bounded parameter uncertainties, time-varying input delay and actuator saturation. A vertical vibration model of human body is introduced in order to make the modeling of seat suspension systems more precise. By employing a delay-range-dependent Lyapunov function and exploring the property of the saturation nonlinearity, the existence conditions of the desired state-feedback controller are derived in terms of linear matrix inequalities (LMIs). The controller is derived by solving the LMIs and the corresponding closed-loop system is asymptotically stable with a guaranteed H, performance. A design example is presented to show the usefulness and advantages of the developed theoretical results. (C) 2009 Elsevier Ltd. All rights reserved.

引用

页码：4335 / 4353

页数：19

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