Abstract:At first the characteristics of controller area network(CAN) bus are described,and contrastive analysis with the 1553B bus,which has been used most maturely,is given in this paper.In the aviation domain,especially in the airborne electromechanical system,the partial use of CAN bus is of feasibility.Then it is pointed out that CAN bus should be improved on the reliability and real-time for the on-board requirements.Finally,combining with CANaerospace and ARINC825,some key points for improving on CAN bus appl...