天舟货运飞船全相位自主快速交会对接及在轨实现OA

This paper presents the all-phase autonomous quick rendezvous and docking technology of Tianzhou cargo spacecraft and its in-orbit flight results.Firstly,the scheme of Tianzhou Cargo Spacecraft all-phase autonomous quick rendezvous and docking is described,which consists of a long-range autonomous guidance phase and a short-range autonomous control phase.Different rendezvous and docking modes can be configured by improving the accuracy of the long-range autonomous guidance terminal,typically the 6.5-hour,2-hour,and 3-hour quick rendezvous and docking.Secondly,the development of scheme design of Tianzhou cargo spacecraft rendezvous and docking and the evolution process of the in-orbit missions are elaborated.Finally,an overview of the quick rendezvous and docking in-orbit missions of Tianzhou cargo spacecraft is given.The design process and in-orbit performance of Tianzhou cargo spacecraft rendezvous and docking show that its rendezvous and docking technology is constantly evolving toward rapidity,stability,and standardization.