Bidirectional H-bridge DC-motor motion controller

Woodward, W. Stephen; Peterson, John
July 1999
Electronic Design;07/26/99, Vol. 47 Issue 15, p86
Trade Publication
Discusses the application of armature resistance cancellation via positive current feedback combined with an H-bridge circuit topology in the speed control of direct current servo motors. Comparison with tachometer-based feedback; Layout of the circuit; Constant revolutions per minute over a wide range of loads.


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