Abstract This paper addresses attitude consensus for a formation of small satellites where each satellite relies on internal oscillating-mass actuators. Unlike traditional flywheel systems, the actuators considered in this work cannot perform unrestricted rotations. The rotational stroke of each actuator on the ith satellite is limited to [ α i , α i ] rad, where α i > 0 . We develop and analyze two feedback control methods for attitude consensus using limited-stroke oscillating-mass actuators. The first algorithm achieves local attitude consensus for the case where each satellite uses relative-attitude feedback of its neighbor satellites. The second algorithm achieves almost global attitude consensus for the case where each satellite uses absolute-attitude feedback of its neighbor satellites. Both methods use control signals that are continuous and piecewise sinusoidal but whose derivatives can contain discontinuities. The main results show that each method achieves consensus and that the strict actuator stroke constraint is satisfied. Each method is demonstrated by a numerical simulation of a small-satellite formation in deep space.


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    Title :

    Small-satellite attitude consensus using limited-stroke oscillating-mass actuators with continuous sinusoidal controls


    Contributors:


    Publication date :

    2023-09-02




    Type of media :

    Article (Journal)


    Type of material :

    Electronic Resource


    Language :

    English




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