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A high-frequency servosystem for fuel control in hypersonic enginesA hydrogen fuel-flow valve with an electrohydraulic servosystem is described. An analysis of the servosystem is presented along with a discussion of the limitations imposed on system performance by nonlinearities. The response of the valve to swept-frequency inputs is experimentally determined and compared with analytical results obtained from a computer model. The valve is found to perform favorably for frequencies up to 200 Hz.
Document ID
19910021864
Acquisition Source
Legacy CDMS
Document Type
Technical Memorandum (TM)
Authors
Simon, Donald L. (NASA Lewis Research Center Cleveland, OH, United States)
Date Acquired
September 6, 2013
Publication Date
August 1, 1991
Subject Category
Aircraft Propulsion And Power
Report/Patent Number
AD-A241468
E-6098
NAS 1.15:104333
NASA-TM-104333
AVSCOM-TR-91-C-016
Report Number: AD-A241468
Report Number: E-6098
Report Number: NAS 1.15:104333
Report Number: NASA-TM-104333
Report Number: AVSCOM-TR-91-C-016
Accession Number
91N31178
Funding Number(s)
PROJECT: RTOP 505-62-OK
PROJECT: DA PROJ. 1L1-61102-AH-45
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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