Published: 31 December 2007

Development of electropneumatic servo system with reference model based signal adaptive force controller

A. Grigaitis1
V.-A. Gelezevicius2
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Abstract

Due to pneumo-mechanical power conversion process nonlinearities and process parameters (volumes and initial pressures of pneumatical cylinder working chambers) on line change it is problematic to ensure satisfactory control quality of pneumatic proportional servo drive. Considering that all nonlinearities are concentrated in the force generation stage, application of adaptive force control mode is suggested. Electropneumatic servo drive with reference model based signal adaptive force controller is developed and investigated in this paper. It is presented the strategies of reference model choice and are given control quality investigation results of electropneumatic servo system

About this article

Received
05 September 2007
Accepted
10 October 2007
Published
31 December 2007
Keywords
electropneumatic
nonlinearities
investigation
chamber
reference model
controller