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http://dx.doi.org/10.5370/KIEE.2011.60.11.2043

High Speed Operation of Fuel Injectors with Over Current Protection  

Yang, Hyong-Yeol (호남대학교 전기공학과)
Suh, Eui-Suk (호남대 공대 전기공학과)
Publication Information
The Transactions of The Korean Institute of Electrical Engineers / v.60, no.11, 2011 , pp. 2043-2048 More about this Journal
Abstract
High speed drive method for a fuel injector cleaner with current control is presented in this paper. The fuel injector cleaner is used for cleaning the fuel injectors in vehicles when it is clogged with deposit and rust. The fuel injector cleaner cleans the fuel injector by turning on and off the fuel injector rapidly. When the fuel injectors are cleaned, the switching speed is very important. However, when the fuel injector is turned off, the residual current in the fuel injector coil slows down the return action of the plunger in the fuel injector deteriorating performance and speed of the fuel injector cleaner. In this paper, fast turn off operation method of fuel injectors is developed for more effective cleaning. The simulation and experiment results show the validity of the proposed method.
Keywords
Fuel injector cleaner; PWM control; Over current protection; High speed drive; Free wheeling;
Citations & Related Records
Times Cited By KSCI : 2  (Citation Analysis)
Times Cited By SCOPUS : 0
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