Design of Inter-satellite Separation of China's First All-electric Communication Satellite
AP-6E satellite is the first domestic all-electric communication satellite,which is also the first communication satellite in the world to realize the autonomous orbit transfer from low earth orbit to geosynchronous orbit.The separable propulsion segment is utilized to realize the rapid orbit transfer via the chemical propulsion system,then the segment is separated and de-orbited,finally the remaining tasks of the satellite are preformed solely by the electric propulsion system.Therefore,the inter-satellite separation is the key to the success of this mission.The design of the connection and separation mechanism of AP-6E is introduced,and the stress margin of connection and the near-field and far-field safeties of separation process analyzed in order to systematically expound the experience of the engineering practice of the all-electric propulsion platform carried by the low-cost launch vehicle,which is of certain significance for the subsequent projects.
communication satelliteseparation safetycombinationall-electric propulsionchemical propulsioninter-satellite separation
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