An electronic throttle control strategy including compensation of friction and limp-home effects

被引：115

作者：

Deur, J ^{[1
]}

Pavkovic, D

Peric, N

Jansz, M

Hrovat, D

机构：

[1] Univ Zagreb, Fac Mech Engn & Naval Architecture, HR-10000 Zagreb, Croatia

[2] Univ Zagreb, Fac Elect Engn & Comp, HR-10000 Zagreb, Croatia

[3] Ford Motor Co Ltd, Dunton Tech Ctr, Basildon SS15 6EE, England

[4] Ford Motor Co, Res & Adv Engn, Dearborn, MI 48121 USA

来源：

IEEE TRANSACTIONS ON INDUSTRY APPLICATIONS | 2004年 / 40卷 / 03期

关键词：

automotive applications; control; damping optimum; dc motor; electronic throttle; friction compensation; limp-home nonlinearity; servo drive;

D O I：

10.1109/TIA.2004.827441

中图分类号：

T [工业技术];

学科分类号：

08 [工学];

摘要：

An electronic throttle is a low-power dc servo drive which positions the throttle plate. Its application in modern automotive engines leads to improvements in vehicle drivability, fuel economy, and emissions. Transmission friction and the return spring limp-home nonlinearity significantly affect the electronic throttle performance. The influence of these effects is analyzed by means of computer simulations, experiments, and analytical calculations. A dynamic friction model is developed in order to adequately capture the experimentally observed characteristics of the presliding-displacement and breakaway effects. The linear part of electronic throttle process model is also analyzed and experimentally identified. A nonlinear control strategy is proposed, consisting of a proportional-integral-derivative (PID) controller and a feedback compensator for friction and limp-home effects. The PID controller parameters are analytically optimized according to the damping optimum criterion. The proposed control strategy is verified by computer simulations and experiments.

引用

页码：821 / 834

页数：14

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