Proceedings of the JFPS International Symposium on Fluid Power
Online ISSN : 2185-6303
ISSN-L : 2185-6303
SLIDING MODE CONTROL OF A VARIABLE DISPLACEMENT PUMP
Z. YOUR. T. BURTONP. R. UKRAINETZ
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JOURNAL FREE ACCESS

1996 Volume 1996 Issue 3 Pages 169-176

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Abstract

This paper considers the application of SMC to the control of an axial displacement piston pump. The objective of the control is to maintain pump pressure independent of varying load or system parameter changes. A DC motor directly attached to the pump swash plate is used to interface the computer control signal to the pump. The results of a theoretical and experimental study are presented and show that a modified SMC algorithm can be used to provide improved dynamic and steady state performance when compared to a standard PID controller. Ripple due to “chatter” of the SMC around its steady state conditions is apparent which requires additional examination.

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