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Ultra-Compact Motor ControllerThis invention is an electronically commutated brushless motor contro ller that incorporates Hall-array sensing in a small, 42-gram packag e that provides 4096 absolute counts per motor revolution position s ensing. The unit is the size of a miniature hockey puck, and is a 44 -pin male connector that provides many I/O channels, including CANbus , RS-232 communications, general-purpose analog and digital I/O (GPI O), analog and digital Hall inputs, DC power input (18-90 VDC, 0-l0 A), three-phase motor outputs, and a strain gauge amplifier.
Document ID
20120016271
Acquisition Source
Johnson Space Center
Document Type
Other - NASA Tech Brief
Authors
Townsend, William T. (Barrett Technology, Inc. Cambridge, MA, United States)
Cromwell, Adam (Barrett Technology, Inc. Cambridge, MA, United States)
Hauptman, Traveler (Barrett Technology, Inc. Cambridge, MA, United States)
Pratt, Gill Andrews (Olin Coll. Needham, MA, United States)
Date Acquired
August 26, 2013
Publication Date
October 1, 2012
Publication Information
Publication: NASA Tech Briefs, October 2012
Subject Category
Mechanical Engineering
Report/Patent Number
MSC-23930-1
Report Number: MSC-23930-1
Distribution Limits
Public
Copyright
Public Use Permitted.

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