A Method for Abnormal Diagnosis of Perceptual Node Program Based on Abnormal Task Function Trajectory
A technology for sensing nodes and abnormal functions, applied in data exchange networks, digital transmission systems, electrical digital data processing, etc., can solve the problems of identification difficulties, difficulty in obtaining training data sets and verification data sets, and difficulty in defining the scope of normal behavior, etc. Achieve the effect of improving algorithm efficiency, fast extraction, and reducing analysis overhead
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[0035] The experiment consists of 4 TelosB nodes running TestDissemination (TinyOS application), and the communication radius of the nodes is set to 50 meters.
[0036] Such as figure 1 Shown is the node network topology diagram of a version with system defects in this example when it is running normally. Among them, node 1 is a distribution node, which sends data to its child nodes regularly, node 2 directly communicates with node 1, and nodes 3 and 4 can only communicate with node 1 through node 2.
[0037]In order to test the execution behavior of node 2 after losing the distribution node, two test cases are designed, and the simulation time of the two test cases is 1 hour. Test case 1 is to delete the node 1 when the program runs for 45 minutes after the faulty code is repaired, and it ends after running for 1 hour. Here, it is assumed that the program can run normally after the faulty code is repaired. In test case 2, the fault code is used, and node 1 is also deleted a...
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