LPV Modeling and Mixed Constrained H-2/H-infinity Control of an Electronic Throttle

Zhang Shupeng; Yang Jie J.; Zhu Guoming G.

首页> 外文期刊>IEEE/ASME transactions on mechatronics: A joint publication of the IEEE Industrial Electronics Society and the ASME Dynamic Systems and Control Division >LPV Modeling and Mixed Constrained H-2/H-infinity Control of an Electronic Throttle

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LPV Modeling and Mixed Constrained H-2/H-infinity Control of an Electronic Throttle

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摘要

Engine electronic throttle control (ETC) is challenging due to its high system nonlinearities and the required fast response time. In this paper, an electronic throttle system was modeled as a linear parameter varying (LPV) system in discrete-time domain, where the vehicle battery voltage is modeled as the measurable time-varying parameter; the nonlinear friction is modeled as a function of the measurable throttle position; and the limp-home spring nonlinearity is compensated through feedforward control. Mixed constrained H-2/H-infinity LPV controller was designed for the LPV throttle control system using the linear matrix inequality convex optimization approach. The system output and control weights were optimized through simulation studies to achieve the best performance; and the finalized LPV controller was experimentally validated on an ETC test bench. Comparing with the baseline well-tuned fixed gain proportional, integral, and derivative controller, the LPV controller reduces the 2 settling time from 0.30 to 0.15 s. Especially, smooth transient response was achieved when the throttle plate crosses the region with heavy spring nonlinearity required by the limp-home operation.

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《IEEE/ASME transactions on mechatronics: A joint publication of the IEEE Industrial Electronics Society and the ASME Dynamic Systems and Control Division》 |2015年第5期|2120-2132|共13页
作者
Zhang Shupeng; Yang Jie J.; Zhu Guoming G.;
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作者单位

Michigan State Univ, Dept Mech Engn, E Lansing, MI 48824 USA;

Shanghai Jiao Tong Univ, Shanghai 200240, Peoples R China;

Michigan State Univ, Dept Mech Engn & Elect Comp Engn, E Lansing, MI 48824 USA;

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正文语种英语
中图分类机械、仪表工业;
关键词
Automotive control; electronic throttle; LPV gain-scheduling control;

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LPV Modeling and Mixed Constrained H-2/H-infinity Control of an Electronic Throttle

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