IMPROVEMENT OF VEHICLE STABILITY BY H-INFINITY ADAPTIVE FUZZY CONTROLLER: A NEW VGS MODEL

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BAGHAEIAN MANSOUR; AKBARI ALI AKBAR

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Journal: Modares Mechanical Engineering Year:2016 | Volume:16 | Issue:9 Page(s): 37-46

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Title

IMPROVEMENT OF VEHICLE STABILITY BY H-INFINITY ADAPTIVE FUZZY CONTROLLER: A NEW VGS MODEL

Author(s)

BAGHAEIAN MANSOUR | AKBARI ALI AKBAR | Issue Writer Certificate

Keywords

H- INFINITY ADAPTIVE FUZZY CONTROLQ1

VARIABLE GEOMETRY SUSPENSION SYSTEMQ1

NEW NONLINEAR MODEL OF VGSQ1

VEHICLE STABILITYQ1

Abstract

Recently, H-Infinity adaptive fuzzy controller (HAFC) and its potential application in improving VEHICLE STABILITY has received increasing attention. This paper studied this application by developing a nonlinear model for the vehicle suspension mounting point displacement (SMD) and the VARIABLE GEOMETRY SUSPENSION SYSTEM (VGS). The VGS model was developed by deriving the kinematic equations from the vehicle double wishbone suspension system for the vehicle handling model with eight degrees of freedom (8DOF). The limited area of the SMD necessitates the use of a proper controller, so in this paper the suitability of a proportional-integral-derivative controller (PID), an adaptive fuzzy controller (AFC), and HAFC was investigated for this purpose. The stability status and adaptation laws were assessed by Lyapunov synthesis and the result showed that integral of square error (ISE) achievable by HAFC for two standard maneuvers is lower than PID and AFC. The result also showed that SMD of HAFC is lower than AFC and extremely PID. The use of HAFC also resulted in the best VEHICLE STABILITY, soft response and robustness.

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APA: Copy

BAGHAEIAN, MANSOUR, & AKBARI, ALI AKBAR. (2016). IMPROVEMENT OF VEHICLE STABILITY BY H-INFINITY ADAPTIVE FUZZY CONTROLLER: A NEW VGS MODEL. MODARES MECHANICAL ENGINEERING, 16(9), 37-46. SID. https://sid.ir/paper/179767/en

Vancouver: Copy

BAGHAEIAN MANSOUR, AKBARI ALI AKBAR. IMPROVEMENT OF VEHICLE STABILITY BY H-INFINITY ADAPTIVE FUZZY CONTROLLER: A NEW VGS MODEL. MODARES MECHANICAL ENGINEERING[Internet]. 2016;16(9):37-46. Available from: https://sid.ir/paper/179767/en

IEEE: Copy

MANSOUR BAGHAEIAN, and ALI AKBAR AKBARI, “IMPROVEMENT OF VEHICLE STABILITY BY H-INFINITY ADAPTIVE FUZZY CONTROLLER: A NEW VGS MODEL,” MODARES MECHANICAL ENGINEERING, vol. 16, no. 9, pp. 37–46, 2016, [Online]. Available: https://sid.ir/paper/179767/en

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