An implementation for star network bus redundancy backup
A technology of network bus and implementation method, applied in bus network, data exchange network, data exchange through path configuration, etc., can solve fault tolerance, poor self-management ability, inability to meet the needs of satellite environment, heavy ground measurement and control burden, etc. problems, to achieve the effect of improving work reliability and fault tolerance, strengthening self-management capabilities, and reducing the burden of ground measurement and control
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[0017] Below in conjunction with accompanying drawing and specific embodiment the present invention is described in further detail:
[0018] Such as figure 1 As shown, the present invention adopts dual network bus redundant backup mode, and the dual network bus can adopt CAN bus, TCP / IP bus, IEEE1934 or SpireWire bus, and the present embodiment adopts CAN bus, which are respectively defined as A bus and B bus. There are n nodes on the dual network bus, and n is at least 3. One of the nodes is the master node, which mainly completes the autonomous management function of the entire network bus. Nodes and slave nodes are managed and scheduled; other nodes are slave nodes, which can monitor the status of the slave node’s own network bus, but are controlled by the master node; remote control commands are used as switch control commands of each node to realize the control of devices on the network bus of each node. With power-off control, the master node and the slave node receive ...
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