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Energies 2018, 11(8), 2171; https://doi.org/10.3390/en11082171

Low Cost Position Controller for Exhaust Gas Recirculation Valve System

Department of Electrical Engineering, Kunsan National University, Gunsan 54150, Korea
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Received: 30 July 2018 / Revised: 17 August 2018 / Accepted: 17 August 2018 / Published: 20 August 2018
(This article belongs to the Special Issue Intelligent Control in Energy Systems)
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Abstract

This paper proposes a position control method for a low-cost exhaust gas recirculation (EGR) valve system for automotive applications. Generally, position control systems used in automotive applications have many restrictions, such as cost and space. The mechanical structure of the actuator causes high friction and large differences between static friction and coulomb friction. When this large friction difference occurs, the position control vibrates when the controller uses a conventional linear controller such as the P or PI controller. In this paper, we introduce an inexpensive position control method that can be applied under the high-difference-friction mechanical systems. The proposed method is verified through the use of experiments by comparing it with the results obtained when using a conventional control system. View Full-Text
Keywords: position control; static friction; exhaust gas recirculation (EGR) valve system; automotive application position control; static friction; exhaust gas recirculation (EGR) valve system; automotive application
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).
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Bhuiyan, H.; Lee, J.-H. Low Cost Position Controller for Exhaust Gas Recirculation Valve System. Energies 2018, 11, 2171.

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