This paper describes the working principle of vehicle OTA.According to the UDS service proto-cols,the paper designs an OTA upgrade system for the on-board EUC using an S32K146 microprocessor,which downloads the upgrade package through the on-board EUC by BootLoader after TBOX receives the upgrade package.The application results show that using OTA for vehicle software upgrade can improve the fastness of vehicle ECU software update.
维普
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