Preliminary Design of TT&C and Communication Mode for Commercial Manned Spacecraft
With the rapid development of commercial spaceflight and gradual maturity of advanced technologies such as reusable rockets,human spaceflight which used to be mainly dominated by gov-ernment,has begun to absorb commercial spaceflight actively for integrated development.Aiming at the contradiction between high reliability requirement of human space and low cost control of com-mercial spaceflight,TT&C requirements,link configuration and usage pattern of active manned spacecraft were analyzed.Based on this,considering traditional needs of human spaceflight and characteristics of commercial spaceflight,TT&C link configuration model combining standard config-uration and optional configuration was proposed.In addition,for in-orbit critical events and normal-ized operating scenarios,TT&C and communication mode for manned spacecraft combining tradition-al TT&C links(with TDRSS or ground station etc.)and non-traditional TT&C links(with satellite internet system or Beidou system etc.)was designed to support diversity operations such as teleme-try,command,image and voice communication.The research results can provide reference for TT&C design of commercial manned spacecraft.
commercial manned spacecraftTT&C and communicationlink configurationnon-tra-ditional TT&C
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