Charger and battery management system communication protocol consistency test method, device and system and storage medium
A battery management system and communication protocol technology, applied in the field of conformance testing, can solve the problems of difficult location of chargers, high failure rate, and difficult maintenance, etc., and achieve the effect of strong reusability
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[0053] Example 1:
[0054] like figure 1 As shown, an embodiment of the present invention provides a method for testing the consistency of a communication protocol between a charger and a battery management system, including the following steps:
[0055] (1) Obtain the interactive process and message information of the charger and the battery management system in each charging stage; by analyzing the GB / T 27930-2015 "Communication Protocol between the Off-Board Conductive Charger and the Battery Management System for Electric Vehicles" , divides the whole charging process into four stages, including handshake stage, parameter configuration stage, charging stage and charging end stage.
[0056] (2) Obtain the FSM map of each charging stage based on the interaction process and message information.
[0057] (3) Obtain the state of the charger and the battery management system in each charging stage, as well as the required input and expected output based on the FSM diagram.
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Example Embodiment
[0088] Embodiment 2:
[0089] An embodiment of the present invention provides a device for testing the consistency of a communication protocol between a charger and a battery management system. The device includes:
[0090] The data acquisition module is used to acquire the interactive process and message information of the charger and the battery management system in each charging stage;
[0091] The FSM map acquisition module is used to acquire the FSM map of each charging stage based on the interaction process and message information;
[0092] The parameter acquisition module is used to acquire the state of the charger and the battery management system in each charging stage and the required input and expected output based on the FSM diagram;
[0093] The test sequence acquisition module is used to use the state as a node, input and output as an edge, and use the UIO method to generate a test sequence;
[0094] The test case acquisition module is used to generate test cas...
Example Embodiment
[0096] Embodiment three:
[0097] The embodiment of the present invention provides a communication protocol consistency test system between a charger and a battery management system, including a processor and a storage medium;
[0098] storage medium for storing instructions;
[0099] A processor for operating in accordance with the instructions to perform steps in accordance with any of the above methods.
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