Optimal control of an On-Demand All-Wheel Drive system (ODAWD) for vehicle traction enhancement

被引：3

作者：

Reyhart, Delon R. ^{[2
]}

Anwar, Sohel ^{[1
]}

机构：

[1] IUPUI, Purdue Sch Engn & Tech, Dept Mech Engn, Indianapolis, IN USA

[2] ServoTech Inc, Peoria, IL USA

来源：

INTERNATIONAL JOURNAL OF VEHICLE DESIGN | 2011年 / 56卷 / 1-4期

关键词：

optimal control; AWD; all-wheel drive; traction control; Pontryagin's minimum principle; HIL; hardware-in-loop; real-time control;

D O I：

10.1504/IJVD.2011.043271

中图分类号：

TH [机械、仪表工业];

学科分类号：

0802 ;

摘要：

This paper presents an optimal algorithm to enhance the performance of an On-Demand All-Wheel Drive (ODAWD) vehicle by traction improvement through regulation of wheel slip. A 'Minimum Fuel Problem' is developed with a cost function minimising the slip error and the control action defined as the ratio of the total torque transmitted to the non-driven wheels (rear wheels). A simplified vehicle model (bicycle model) is used to develop the proposed controller to optimally reduce the wheel slip error by engaging and dynamically controlling a hydraulic clutch. The controller performance was validated on a realtime Hardware-in-Loop (HIL) bench.

引用

页码：270 / 298

页数：29

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