Resolver to digital converter implemented in TMS320F2812 processor

Roman Augustynowicz; Slawomir Mandra; Kazimierz Karwowski

doi:10.1117/12.674903

26 April 2006 Resolver to digital converter implemented in TMS320F2812 processor

Roman Augustynowicz, Slawomir Mandra, Kazimierz Karwowski

Proceedings Volume 6159, Photonics Applications in Astronomy, Communications, Industry, and High-Energy Physics Experiments IV; 61593R (2006) https://doi.org/10.1117/12.674903
Event: Photonics Applications in Astronomy, Communications, Industry, and High-Energy Physics Experiments IV, 2005, Wilga, Poland

Abstract

Resolver measurement position systems indicate an absolute position of rotating machine components like motor shafts or robotic arms. The system consists of the three parts: resolver, hardware interface and decoder. Decoder decodes resolver signals and determines the absolute position. The hardware interface and decoder is called Resolver-to-Digital Converter (RDC). Nowadays, resolver measurement systems in most cases use the silicon ASIC chips or DSP processors able to perform some specific trigonometric and filtering functions required in the demodulation process. This paper presents the results of the experiments of the RDC as well as the theory of operation of the resolver, hardware interface and decoder based on the TMS320F28 12 digital signal processor. As a reference during experiments popular resolver-to-digital conversion ASIC system from Analog Devices AD2S90 and incremental encoder were used. The percentage usage of the processor capacity by the resolver software is reported and several considerations of the possibility to use the processor to perform other tasks in parallel take place.

Citation Download Citation

Roman Augustynowicz, Slawomir Mandra, and Kazimierz Karwowski "Resolver to digital converter implemented in TMS320F2812 processor", Proc. SPIE 6159, Photonics Applications in Astronomy, Communications, Industry, and High-Energy Physics Experiments IV, 61593R (26 April 2006); https://doi.org/10.1117/12.674903

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KEYWORDS

Digital signal processing

Signal processing

Demodulation

Analog electronics

Computer programming

Detection and tracking algorithms

Smoothing

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