Modeling and Simulation of Driving Data Transmission Antenna

doi:10.3780/j.issn.1000-758X.2014.06.005

Abstract

Abstract: The high gainantenna was drived with the stepper motor,the harmonic gear and the microstep driver.The over all antenna pointing error shall be 0.1°(3σ)or less.The model of driving antenna was described.On account of the torque model of stepper motor,the nonlinear dynamics model of the harmonic gear and the dynamic model of the microstep driver,as well as the nonlinear model was built,the step response,pointing error and output torque were provided by the proposed model.Comparing with the simulation and experiment results,the math model is correct and reliable.The pointing error is 0.017°(3σ)or less,meeting the requirements for pointing precision.

Key words: Stepper motor, Harmonic gear, Mathematical model, Pointing precision, Spacecraft

ZHOU Yong, ZHANG Jian. Modeling and Simulation of Driving Data Transmission Antenna[J]. , 2014, 34(6): 31-.

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URL: http://journal26.magtechjournal.com/kjkxjs/EN/10.3780/j.issn.1000-758X.2014.06.005

http://journal26.magtechjournal.com/kjkxjs/EN/Y2014/V34/I6/31

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Modeling and Simulation of Driving Data Transmission Antenna

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