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Reduce system costs with resolver-to-digital conversion implementation on C2000 Delfino microcontrollers

Authored on: Sep 1, 2012 by Ramesh Ramamoorthy

Technical Paper / Product Paper

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In a typical precision position servo control system, resolvers or encoders are used to provide shaft position feedback to the control unit. Resolvers are more robust and rugged than encoders, capable of withstanding reasonable amounts of environmental contamination and noise. While encoders' outputs are in the form of pulse train, resolvers outputs are in the form of amplitude modulated sinusoidal signals that require additional processing to extract position information. This paper explains how TI's C2000 Delfino microcontrollers can effectively process them to obtain the speed and position feedback with higher bit accuracy.
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