Underground hybrid network time synchronization method based on time sensitive network
A time synchronization and time-sensitive technology, applied in the direction of synchronization devices, network topology, electrical components, etc., to achieve the effect of improving time synchronization accuracy, reducing stability and accuracy, and reducing forwarding tasks
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[0036] like figure 1 As shown, the process of the downhole hybrid network time synchronization method based on the time-sensitive network is:
[0037] Step 1: Deploy node equipment according to the underground structure and application requirements, initialize the global network, and each network communication node in the mine sets its own clock role according to the network structure;
[0038] Step 2: The wired backbone area is connected through the TSN protocol, and each node periodically sends a synchronization notification data frame containing the clock information vector table to the neighbor node, and calculates and compares the best master clock in the entire network according to the best master clock algorithm;
[0039] Step 3: The best master clock in the wired area periodically interacts with the slave clock, the slave clock waits and feeds back and records the time stamp, and the slave clock calculates the clock offset according to the precise time synchronization ...
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