A method to ensure the safeguarding function in an electrical system of a vehicle, and corresponding electrical system.

摘要

An electrical system for a vehicle, comprising: - a carrier (3) of digital information for digital data transfer; - a first device (1) computer, arranged to execute a first software (P1) installed on the first device (1) computer, and - a second device (2) computer arranged to execute a second application software (P2 ) application, different from said first software (P1), installed on the second computing device and further comprising a software (P1 ') of the installed backup application in the second device (2) computing, identical to the first software (P1), wherein the second device (2) computer is configured to initiate execution of the software (P1 ') of the installed backup application, when an error occurs in the first device (1) computing in parallel with the execution of the second software (P2) of application, whereby the first and second computing devices comprise a partitioning operating system arranged to divide l memory and CPU time among statically allocated partitions in a fixed manner so that each partition has a certain amount of memory and CPU time allocated to it, which can not be increased nor decreased, and whereby the first (P1) application software, the second software (P2) and application software (P1 ') backup application are arranged to be executed in separated partitions.