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A real time data acquisition system using the MIL-STD-1553B busA flight digital data acquisition system that uses the MIL-STD-1553B bus for transmission of data to a host computer for control law processing is described. The instrument, the Remote Interface Unit (RIU), can accommodate up to 16 input channels and eight output channels. The RIU employs a digital signal processor to perform local digital filtering before sending data to the host. The system allows flexible sensor and actuator data organization to facilitate quick control law computations on the host computer. The instrument can also run simple control laws autonomously without host intervention. The RIU and host computer together have replaced a similar larger, ground minicomputer system with favorable results.
Document ID
19930053884
Acquisition Source
Legacy CDMS
Document Type
Conference Paper
Authors
Peri, Frank, Jr.
(NASA Langley Research Center Hampton, VA, United States)
Date Acquired
August 16, 2013
Publication Date
January 1, 1992
Publication Information
Publication: In: International Instrumentation Symposium, 38th, Las Vegas, NV, Apr. 26-30, 1992, Proceedings (A93-37851 15-35)
Publisher: Instrument Society of America
Subject Category
Computer Systems
Accession Number
93A37881
Distribution Limits
Public
Copyright
Other

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