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Issues in modeling and control of electro-pneumatic EGR valve actuator for automotive engineering

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2 Author(s)
Teodorescu, C.-S. ; STITS, Univ. Paris-Sud, Orsay, France ; Olaru, S.

Exhaust Gas Recirculation (EGR) is widely used in automotive industry. This paper describes a model responsible for conventional electro-pneumatic EGR valve actuator, part of an EGR system. It is intended to keep relatively simple, decoupled with respect to some engine phenomena, better oriented towards validating control laws. Special attention is payed to solenoid-actuator servomechanism subpart, by actually comparing, in simulation, a variety of linear and proposed nonlinear feedback control laws. The goal is to find full-state (locally) optimal controllers, in terms of performance, robustness, complexity and cost.

Published in:

System Theory, Control, and Computing (ICSTCC), 2011 15th International Conference on

Date of Conference:

14-16 Oct. 2011