Gain-Scheduled Control of Semi–Active Suspension

Hidekazu Nishimura; Masayasu Sano; Naoki Oie

doi:10.1299/kikaic.67.3146

Gain-Scheduled Control of Semi–Active Suspension

Hidekazu Nishimura, Masayasu Sano, Naoki Oie

Research output: Contribution to journal › Article › peer-review

5 Citations (Scopus)

Abstract

This paper proposes a design method for vibration isolation control of a semi active suspension for automobiles. By using nonlinear functions we formulate the linear-parameter-varying system taking account of mechanical constraints such as valve stroke of the semi–active damper and the damping coefficient restriction. The gain-scheduled controller based on the linear matrix inequalities is obtained so that the closed–loop system may be stable and have good performance even if saturation of the valve stroke occurs. By simulations it is verified that the semi-active damper system designed is effective in comparison with either a passive damper or a conventional switching law based on H_∞ control.

Original language	English
Pages (from-to)	3146-3152
Number of pages	7
Journal	Nihon Kikai Gakkai Ronbunshu, C Hen/Transactions of the Japan Society of Mechanical Engineers, Part C
Volume	67
Issue number	662
DOIs	https://doi.org/10.1299/kikaic.67.3146
Publication status	Published - 2001 Jan 1
Externally published	Yes

Keywords

Control Device
Gain-Scheduled Control
Linear Parameter Varying System
Robust Control
Semi-Active Suspension
Vibration Control
Vibration Isolation

ASJC Scopus subject areas

Mechanics of Materials
Mechanical Engineering
Industrial and Manufacturing Engineering

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10.1299/kikaic.67.3146

Cite this

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title = "Gain-Scheduled Control of Semi–Active Suspension",

abstract = "This paper proposes a design method for vibration isolation control of a semi active suspension for automobiles. By using nonlinear functions we formulate the linear-parameter-varying system taking account of mechanical constraints such as valve stroke of the semi–active damper and the damping coefficient restriction. The gain-scheduled controller based on the linear matrix inequalities is obtained so that the closed–loop system may be stable and have good performance even if saturation of the valve stroke occurs. By simulations it is verified that the semi-active damper system designed is effective in comparison with either a passive damper or a conventional switching law based on H∞ control.",

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AU - Sano, Masayasu

AU - Oie, Naoki

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AB - This paper proposes a design method for vibration isolation control of a semi active suspension for automobiles. By using nonlinear functions we formulate the linear-parameter-varying system taking account of mechanical constraints such as valve stroke of the semi–active damper and the damping coefficient restriction. The gain-scheduled controller based on the linear matrix inequalities is obtained so that the closed–loop system may be stable and have good performance even if saturation of the valve stroke occurs. By simulations it is verified that the semi-active damper system designed is effective in comparison with either a passive damper or a conventional switching law based on H∞ control.

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KW - Vibration Isolation

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Gain-Scheduled Control of Semi–Active Suspension

Abstract

Keywords

ASJC Scopus subject areas

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