2-Phase Symmetrical PWM Generator Using CPLD for Ultrasonic Motor Drive

Wen Yu Zhang; Jing Zhuo Shi

doi:10.4028/www.scientific.net/AMR.383-390.1513

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 383-3902-Phase Symmetrical PWM Generator Using CPLD for...

2-Phase Symmetrical PWM Generator Using CPLD for Ultrasonic Motor Drive

Abstract:

Push-pull driving circuit is a type of commonly used driving circuit for ultrasonic motor. The symmetrical PWM signals are needed for the control of push-pull driver, and thus the motor. This paper introduces a novel 2-phase symmetrical PWM control signal generator that can be used with ultrasonic motor drive. The generator’s structure and operation is analyzed, and the actual realization using CPLD is also given out. The experimental results proved that, the design is correct.

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Periodical:

Advanced Materials Research (Volumes 383-390)

Pages:

1513-1517

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.383-390.1513

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Online since:

November 2011

Authors:

Wen Yu Zhang, Jing Zhuo Shi

Keywords:

Complex Programmable Logic Device (CPLD), Push-Pull, PWM Generator, Symmetrical PWM, Ultrasonic Motor

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References

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