Positioning method of electromagnetic interference source in vehicle based on CAN bus data
A technology of CAN bus and electromagnetic interference, which is applied in the field of positioning electromagnetic interference sources in vehicles, can solve the problems of complex electromagnetic compatibility environment, prolonged research and development cycle, and expensive testing, so as to shorten the time of positioning and analysis, improve analysis efficiency, and ensure The effect of accuracy
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[0051] In order to clearly illustrate the technical features of the solution, the solution will be described below through specific implementation modes.
[0052] see Figure 1 to Figure 5 , the present invention is: a kind of location method that carries out the electromagnetic interference source in the vehicle based on CAN bus data, comprises the following steps:
[0053] Step 1: Use CAN bus data to locate the electromagnetic interference source in the vehicle, and collect data through CAN data acquisition equipment. If the node is not lost due to too many error frames and the node is allowed to automatically stop sending data if the conditions are met, judge If the condition is established, if it is established, the CAN fault analysis is performed through the function or logic of the vehicle and the node, otherwise, the electromagnetic compatibility analysis is required; if the node is not allowed to stop sending data and the node is lost, the electromagnetic compatibility...
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