A method for uploading satellite remote control data
A technology for data recording and data recording, which is applied in the field of satellite remote control data recording, can solve the problems of endangering satellite safety, satellite cannot realize remote control function, satellite remote control path failure, etc., to improve safety, meet the requirements of satellite design and use, The effect of improving flexibility and reliability
Inactive Publication Date: 2011-12-21
AEROSPACE DONGFANGHONG SATELLITE
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However, due to the characteristics of satellites being in-orbit and unmaintainable, if the star service host fails or the interface between the star service host and the remote control unit fails, the remote control path on the star will fail, and the satellite will not be able to realize the remote control function, endangering the safety of the satellite.
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[0014] Such as figure 1 As shown, the small satellite satellite system is composed of a satellite host, a remote control unit and other on-board network intelligent devices, and all devices are connected together through the on-board network to form an on-board information network system. The ground remote control data is transmitted to the remote control unit through the transponder on the star, and the remote control unit demodulates the remote control data. If the ground remote control system injects normal data, the remote control unit transmits the data to the star service host through three-wire signals (data, clock, and gate control signals). If the ground remote control system is an emergency note number, the remote control unit will directly distribute the emergency note number to the satellite network. The normal remote control data is the remote control data sent by the ground when the star service main engine is working normally, and the emergency remote control d...
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A method for adding satellite remote control data. A flag is added to the packet header of the satellite remote control data packet to identify the remote control data as normal remote control data or emergency remote control data. The satellite remote control unit judges after receiving the data. If it is normal remote control data, it sends the normal remote control data to the satellite computer through parallel data transmission. If it is emergency remote control data, send the emergency remote control data to the onboard bus. For the emergency remote control data transmitted to the on-board bus, if it is sent to the star service host, the star service host will convert the received bus emergency remote control data into normal remote control data and start the remote control task to realize information multi-path; To the designated satellite-borne lower computer, the designated satellite-borne lower computer obtains the emergency remote control data through the bus and performs corresponding actions.
Description
technical field [0001] The invention relates to a method for adding satellite remote control data. Background technique [0002] At present, small satellite remote control uplink data transmission is mainly to receive the ground remote control signal through the channel of the transponder, and then decode it through the remote control unit, and transmit the remote control data to the star host through the parallel interface of the remote control three-wire (data, clock, and gate control signal). After receiving the remote control data, the service host starts the remote control task to distribute data and execute instructions. However, due to the characteristics of satellites being in-orbit and unmaintainable, if the satellite host fails or the interface between the satellite host and the remote control unit fails, the remote control path on the satellite will fail, and the satellite will not be able to realize the remote control function, endangering the safety of the satel...
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Inventor 施思寒李孝同李晓明张德全
Owner AEROSPACE DONGFANGHONG SATELLITE