The Functional Safety Research And Design For Shifter By Wire Of Passenger Vehicle

As we all know,in today’s increasingly popular trend of household cars,the car safety is most important,which has already became top priority for all the automotive ECU module suppliers.Such as the current BMW / PSA and other international car OEMs have been defined the functional features of the specific security requirements.In order to ensure a certain safety and reliability,to avoid personal safety accidents caused by ECU failure is an important solution to this paper.But also my current work related.According to the standard of IS026262,the redundant circuit design and automatic diagnosis function of electronic gear transmission system are added to the electronic gear transmission system by studying the failure of the electronic gear control unit of the passenger car,and clarifying the harm and risk caused by the failure of control unit of electronic gear transmission,The failure rate reached 90%,LFM 60% and PMHF <10-7 by FMEDA analysis,and the design reached Class B safety standard.