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A nonlinear analysis of closed loop driver/vehicle performance with four-wheel steering control.

Record Type:	Electronic resources : Monograph/item
Title/Author:	A nonlinear analysis of closed loop driver/vehicle performance with four-wheel steering control./
Author:	Xia, Xunmao.
Description:	1 online resource (189 pages)
Notes:	Source: Dissertations Abstracts International, Volume: 52-12, Section: B.
Contained By:	Dissertations Abstracts International52-12B.
Subject:	Automotive materials. -
Online resource:	http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=9115046click for full text (PQDT)
ISBN:	9798207717531

A nonlinear analysis of closed loop driver/vehicle performance with four-wheel steering control.
Xia, Xunmao.

A nonlinear analysis of closed loop driver/vehicle performance with four-wheel steering control. - 1 online resource (189 pages)

Source: Dissertations Abstracts International, Volume: 52-12, Section: B.

Thesis (Ph.D.)--Clemson University, 1990.

Includes bibliographical references

This dissertation describes the nonlinear analysis of closed loop driver/automobile system performance during both ordinary and collision avoidance maneuvers. The vehicle is considered to be equipped with either a conventional front wheel steering system (FWS) or one of several types of four wheel steering systems (4WS). A refined nonlinear 5 degree-of-freedom (DOF) "bicycle model" and a nonlinear 8DOF, four wheel vehicle model were developed. A comprehensive nonlinear tire model and a multi-loop driver model (developed by previous investigators), were integrated with the vehicle model in this study, In addition, a new 4WS control system, which was designed using an adaptive control theory (Time Delay Control), has been proposed. Compared with existing 4WS systems, this new 4WS system requires less knowledge of difficult-to-measure vehicle parameters, and provides more robust control in the case of unpredictable external disturbances. The simulation results indicate that the following potential benefits may be obtained from the 4WS systems: (a) fast yaw rate and lateral acceleration responses; (b) stabilization of the vehicle during collision avoidance maneuvers; (c) reduction of the driver's workload during both ordinary and collision avoidance maneuvers; and (e) less sensitivity of the vehicle to unpredictable disturbances.

Electronic reproduction.
Ann Arbor, Mich. :
ProQuest,
2023

Mode of access: World Wide Web

ISBN: 9798207717531Subjects--Topical Terms:

3548131
Automotive materials.
Subjects--Index Terms:

vehicle dynamicsIndex Terms--Genre/Form:

542853
Electronic books.

A nonlinear analysis of closed loop driver/vehicle performance with four-wheel steering control.
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100 1 $a Xia, Xunmao. $3 3700968
245 1 2 $a A nonlinear analysis of closed loop driver/vehicle performance with four-wheel steering control.
264 0 $c 1990
300 $a 1 online resource (189 pages)
336 $a text $b txt $2 rdacontent
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500 $a Source: Dissertations Abstracts International, Volume: 52-12, Section: B.
500 $a Publisher info.: Dissertation/Thesis.
500 $a Advisor: Law, E. Harry.
502 $a Thesis (Ph.D.)--Clemson University, 1990.
504 $a Includes bibliographical references
520 $a This dissertation describes the nonlinear analysis of closed loop driver/automobile system performance during both ordinary and collision avoidance maneuvers. The vehicle is considered to be equipped with either a conventional front wheel steering system (FWS) or one of several types of four wheel steering systems (4WS). A refined nonlinear 5 degree-of-freedom (DOF) "bicycle model" and a nonlinear 8DOF, four wheel vehicle model were developed. A comprehensive nonlinear tire model and a multi-loop driver model (developed by previous investigators), were integrated with the vehicle model in this study, In addition, a new 4WS control system, which was designed using an adaptive control theory (Time Delay Control), has been proposed. Compared with existing 4WS systems, this new 4WS system requires less knowledge of difficult-to-measure vehicle parameters, and provides more robust control in the case of unpredictable external disturbances. The simulation results indicate that the following potential benefits may be obtained from the 4WS systems: (a) fast yaw rate and lateral acceleration responses; (b) stabilization of the vehicle during collision avoidance maneuvers; (c) reduction of the driver's workload during both ordinary and collision avoidance maneuvers; and (e) less sensitivity of the vehicle to unpredictable disturbances.
533 $a Electronic reproduction. $b Ann Arbor, Mich. : $c ProQuest, $d 2023
538 $a Mode of access: World Wide Web
650 4 $a Automotive materials. $3 3548131
650 4 $a Automotive engineering. $3 2181195
653 $a vehicle dynamics
655 7 $a Electronic books. $2 lcsh $3 542853
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710 2 $a ProQuest Information and Learning Co. $3 783688
710 2 $a Clemson University. $3 997173
773 0 $t Dissertations Abstracts International $g 52-12B.
856 4 0 $u http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=9115046 $z click for full text (PQDT)