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Position Measurement in Industrial Drives by Means of Low-Cost Resolver-to-Digital Converter

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2 Author(s)
Attaianese, C. ; Cassino Univ., Cassino ; Tomasso, G.

A fully integrated board for resolver-to-digital conversion is proposed in this paper. It is based on a combined analog/digital circuit, which allows one to track the shaft angle of a standard resolver in a digital form. Furthermore, the board also provides the feeding signal for the resolver-rotor circuit. All the tuning and configuration settings, which allow one to adapt different kind of resolvers to the proposed system, can be easily implemented directly on the board. The final assembly is a compact low-cost resolver-to-digital converter. The entire board design and implementation are described in this paper. In addition, several tests at different resolver speeds have been performed for validation.

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Instrumentation and Measurement, IEEE Transactions on  (Volume:56 ,  Issue: 6 )