A New Technique for Improved Performance of the Pulse Width Modulation Control of Hydraulic Systems

Paper #:
  • 952105

Published:
  • 1995-09-01
Citation:
Hou, Y., Schoenau, G., and Burton, R., "A New Technique for Improved Performance of the Pulse Width Modulation Control of Hydraulic Systems," SAE Technical Paper 952105, 1995, https://doi.org/10.4271/952105.
Pages:
8
Abstract:
Pulse width modulation (PWM) has been used to alter the performance of on-off hydraulic control valves to make them perform as proportional type flow control valves. Nonlinear performance resulting from time delays in valve switching as well as valve wear due to continuous cycling continue to persist as operational problems. This paper examines a new technique called modified PWM control. The method was found to provide accurate control with a minimum of valve chatter.
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