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ARP6352 - Sizing Considerations for Electrohydrostatic Actuation Pumps and Motors

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Document Number: ARP6352
Project Initiation: 2015-10-29 16:49:33.0
Project Number: A6B2-15-1
Revision Number:
Sponsor Name: Brian Peirce Barker
Title
Sizing Considerations for Electrohydrostatic Actuation Pumps and Motors
Scope
Recommendations for EHA Pump and Motor sizing based on considerations for various actuator performance requirements, including no-load speed, breakout torque, low temperature, stiffness, dynamic response, maximum pressure-velocity capability, and other conditions.
Rationale
EHA Pump and Motor sizing criteria require considerations that are unique to the application. EHA Pump duty is fundamentally different from traditional main-engine hydraulic pump applications, and the sizing will be heavily dependent on its duty cycle. Electric motor sizing is intimately dependent on pump sizing and pump efficiency - the pump and motor must be sized as integral entities. There are currently no published guidelines that consider pump and motor as integrated components.
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