Reduction of Hydraulic System Pressure Spikes Through Limiting of Servovalve Current Change Rate

Document Number: 985561

Date Published: September 1998

Author(s):
Arun K. Trikha - The Boeing Company

Abstract:
Fast closing of actuator servovalves in airplane hydraulic systems can often cause unacceptably high pressure spikes in these systems. This paper describes and discusses a method of reducing these hydraulic system pressure spikes by suitable limiting of the rate at which the servovalve current can change. Analytical and test results are presented to show that with this method, the pressure spikes can be reduced without significantly affecting the actuator dynamic response characteristics.

File Size: 192K
Product Status: In Stock

See other papers presented at World Aviation Congress _® & Exposition, September 1998, Anaheim, CA, USA, Session: Aircraft Subsystems

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