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http://dx.doi.org/10.5762/KAIS.2016.17.2.137

The Characteristic Analysis of EGR Valve Motor  

Heo, Jun-Ho (Department of Mechanical Engineering, Keimyung University)
Lee, Seon-Bong (Division of Mechanical and Automotive Engineering, Keimyung University)
Publication Information
Journal of the Korea Academia-Industrial cooperation Society / v.17, no.2, 2016 , pp. 137-146 More about this Journal
Abstract
An increase in EGR rate can reduce NOx emissions. On the other hand, an excessive EGR rate is a major cause of incomplete combustion. Precise position control of the EGR valve that is optimized for the operating conditions of the engine should be supported to meet the strict emission regulations. Accordingly, this study performed mathematical modeling and control theory for characteristic analysis of an EGR valve motor. Because it is a step for controlling the position of the EGR valve motor using the Microchip development tool, this study analyzed the characteristics of the motor for each opening and closing section according to the input value of the duty ratio of PWM (Pulse Width Modulation).
Keywords
Characteristic analysis; EGR valve; Position control; PWM;
Citations & Related Records
Times Cited By KSCI : 4  (Citation Analysis)
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