The use of variable-displacement hydraulic motors for advanced aerospace actuation can provide a 50 to 80 percent savings in average power consumption over conventional fixed-displacement devices. The characteristics of a variable-displacement hydraulic control system are discussed in relation to conventional fixed-displacement devices, advanced control systems, and pressure profiled hydraulic systems. The variable-displacement systems provide significant savings in power, weight, heat generation, and redundancy management.
Energy Efficient Actuation Using Variable Displacement Hydraulic Control
Sae Technical Papers
A-6 Symposium Program Advanced Actuation, Controls, and Integration for Aerospace Vehicles ; 1985
1985-11-01
Conference paper
English
Energy efficient actuation using variable displacement hydraulic control
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