This paper explains the possible occurrence of the “sticking and restarting phenomenon” observed with electropneumatic positioning systems. This is carried out from the notion of partial equilibrium, with the analysis of the model which incorporates two parallel phenomena which are used to generate a pressure force subjected to dry friction forces. Also, an experimental result has been studied in a particular pressure force plane which shows the origin of the problem more explicitly. The theoretical results give a necessary and sufficient condition for the restarting phenomenon not to occur and, if this condition is not validated, there is an estimation of the restarting time. Understanding this undesirable phenomenon will be the basis for further work which will attempt to find solutions to avoid its occurrence.
Study of “Sticking and Restarting Phenomenon” in Electropneumatic Positioning Systems
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 July 15, 2003; final revision, January 22, 2004. Review conducted by: N. Manring.
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Brun, X., Sesmat , S., Thomasset , D., and Scavarda, S. (May 10, 2005). "Study of “Sticking and Restarting Phenomenon” in Electropneumatic Positioning Systems ." ASME. J. Dyn. Sys., Meas., Control. March 2005; 127(1): 173–184. https://doi.org/10.1115/1.1858443
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