The invention provides a vehicle-mounted ECU bus refreshing test method and system, and relates to the technical field of electronic information, and the system comprises a programmable power supply, a programmable switch and an upper computer diagnosis test device. The programmable power supply is used for providing a system power supply and generating fault voltage data according to a received first control instruction; the programmable switch is used for outputting test scenes under various working conditions to the tested ECU by simulating the automobile key state according to a second control instruction provided by the upper computer diagnosis test device; the upper computer diagnosis test device is used for performing communication and data transmission with the tested ECU through a UDS protocol so as to refresh software of the tested ECU, and controlling fault voltage data generated by the programmable power supply to be injected into the tested ECU through a preset first control instruction; and controlling the programmable switch to switch test scenes under different working conditions by using a preset second control instruction to obtain a test result of the tested ECU.
本申请提供了一种车载ECU总线刷新的测试方法及系统,涉及电子信息技术领域,所述系统包含可编程电源、可编程开关和上位机诊断测试装置;所述可编程电源用于提供系统电源并根据接收到的第一控制指令产生故障电压数据;所述可编程开关用于根据所述上位机诊断测试装置提供的第二控制指令通过模拟汽车钥匙状态为被测ECU输出多种工况下的测试场景;所述上位机诊断测试装置用于通过UDS协议与所述被测ECU进行通信和数据传输以刷新所述被测ECU的软件,并通过预设第一控制指令控制所述可编程电源产生的故障电压数据注入所述被测ECU,利用预设第二控制指令控制所述可编程开关切换不同工况下的测试场景,获取被测ECU的测试结果。
Vehicle-mounted ECU bus refreshing test method and system
车载ECU总线刷新的测试方法及系统
2023-03-14
Patent
Elektronische Ressource
Chinesisch
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