This paper describes the model-based design and the experimental validation of a control system which suppresses the bouncing behavior of Compressed Natural Gas (CNG) fuel injectors. First a detailed model of the system is developed, including temperature and supply-voltage variation effects. Using an optical position sensor, this model is experimentally validated in a second step. Based on this model a feed-forward controller is developed and tested which minimizes the bouncing energy of the system. Since in series applications position sensing would be too expensive to use, an observer-based iterative control algorithm is derived which uses coil current measurements instead of the position information to asymptotically suppress bouncing.
Optimal Control for Bouncing Suppression of CNG Injectors
Contributed by the Dynamic Systems, Measurement, and Control Division of THE AMERICAN SOCIETY OF MECHANICAL ENGINEERS for publication in the ASME JOURNAL OF DYNAMIC SYSTEMS, MEASUREMENT, AND CONTROL. Manuscript received by the ASME Dynamic Systems and Control Division October 28, 2002; final revision, June 24, 2003. Associate Editor: A. Alleyne.
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Dyntar , D., and Guzzella, L. (April 12, 2004). "Optimal Control for Bouncing Suppression of CNG Injectors ." ASME. J. Dyn. Sys., Meas., Control. March 2004; 126(1): 47–53. https://doi.org/10.1115/1.1648311
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