Synchronization Control Scheme for Antenna Pointing Control System Based on Hybrid Linear Actuator

Peng Yao; Gang Liu; Yan Liu

doi:10.4028/www.scientific.net/AMM.599-601.1077

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 599-601Synchronization Control Scheme for Antenna...

Synchronization Control Scheme for Antenna Pointing Control System Based on Hybrid Linear Actuator

Abstract:

To overcome the limitations of the independent stacked hybrid actuator with multiple sensors, a new hybrid linear actuator combines the advantages of both technologies: piezo actuator for extremely high accuracy and motorized stage for long travel ranges. A hybrid linear actuator prototype has been developed for testing in our satellite tracking antenna pointing control system. For the maximum absolute positioning accuracy, host positioning controller depends only on one common position sensor for both the coarse and fine positioning at the same time. Synchronization control scheme shows promising results for extremely small steps, high repeatability and good linearity over long travel ranges.

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Periodical:

Applied Mechanics and Materials (Volumes 599-601)

Pages:

1077-1080

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.599-601.1077

Citation:

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Online since:

August 2014

Authors:

Peng Yao*, Gang Liu, Yan Liu

Keywords:

Actuator, Control, Hybrid, Motor, Piezo, Sensor

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* - Corresponding Author

References

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