Study on the Simulation of the APT Rough Tracing Subsystem Based on the Fractional Order Controller

Mingqiu Li, Chunyang Wang

Abstract


Because of many advantages such wide bandwidth, high code rate, and low power consumption, the laser space communication has been the new direction of the space communication development, and the APT (acquisition, pointing and tracing) technology is one of key technology for the laser space communication. The ATP rough tracing servo turntable studied in this article adopts two-axes-four-frame structure and the fractional order  control strategy is adopted in the rough tracing position loop. The simulation result shows that, comparing with common  controller, the fractional order  controller could improve the dynamic response characteristics of the system.

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Modern Applied Science   ISSN 1913-1844 (Print)   ISSN 1913-1852 (Online)

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