This paper addresses the time-optimal roto-translational orbital rendezvous maneuver for an inertially asymmetric rigid spacecraft in an all-thrusters configuration. To begin with, the target and chaser relative rotational and translational dynamics are driven. Then, in the presence of torque and force constraints, the simultaneously time-optimal attitude and position control problem is numerically solved using the pseudo-spectral method. The costates are then computed to establish the first-order optimality of the obtained solutions, which is confirmed by satisfying Pontryagin's minimum principle. It is demonstrated via simulation that the obtained control forces and moments are basically “bang-bang,” which is the most natural and convenient form for on–off thrusters.


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    Title :

    Spacecraft Coupled Roto-translational Time-Optimal Control for Rendezvous Missions


    Additional title:

    J Astronaut Sci




    Publication date :

    2023-07-13




    Type of media :

    Article (Journal)


    Type of material :

    Electronic Resource


    Language :

    English





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