A New Low Cost Linear Resolver Converter

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Author Ben-Brahim, L. en_US
Author Benammar, M. en_US
Author Alhamadi, M.A. en_US
Author Al-Emadi, N. en_US
Author Al-Hitmi, M.A. en_US
Available date 2009-12-28T09:01:14Z en_US
Publication Date 2008 en_US
Citation Ben-Brahim, L.; Benammar, M.; Alhamadi, M.A.; Al-Emadi, N.A.; Al-Hitmi, M.A., "A New Low Cost Linear Resolver Converter," Sensors Journal, IEEE , vol.8, no.10, pp.1620,1627, Oct. 2008 en_US
URI http://dx.doi.org/10.1109/JSEN.2008.928924 en_US
URI http://hdl.handle.net/10576/10526 en_US
Abstract A new low cost converter topology is proposed for sinusoidal position encoders. The converter enables determination of the angle from the sine and cosine signals of the encoder. When used with resolvers, the implementation of the present scheme takes advantage of the available excitation signal used to operate the device. This trigonometric reference signal is optimally used to generate an analogue signal equivalent to a digital look-up table (LUT). This enables determination of the mechanical angle without using LUT, A/D, and D/A converters. The scheme is optimized in order to achieve highest possible precision. Beside simplicity of its implementation, the proposed converter offers the advantage of robustness to amplitude fluctuation of the transducer excitation signal. The converter was implemented using ordinary low-cost analog components. The theory of operation, computer simulation, and experimental results are given. en_US
Language en en_US
Publisher IEEE en
Subject Look-up table (LUT) en_US
Subject Sinusoidal encoder en_US
Subject Resolver en_US
Subject R/D converter en_US
Title A New Low Cost Linear Resolver Converter en_US
Type Article en_US

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