Digitization hierarchical network control architecture applicable for distributed control of electric vehicle
A distributed control and layered network technology, applied in the direction of bus network, circuit or fluid pipeline, electrical components, etc., can solve the problems of low overall level and complex overall structure of the control system, and achieve clear layers, easy actual wiring, The effect of high reliability
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[0010] Further illustrate the present invention below in conjunction with embodiment and accompanying drawing.
[0011] Such as figure 1 As shown, the low-speed CAN bus can be divided into four categories according to the function: gateway, car light control system, car door control system and information display. On the low-speed CAN bus, it is used by the nodes on the low-speed bus to realize the gateway function of information exchange. The VFD instrument node displays and outputs the vehicle status information through the VFD instrument. The door system and lamp system nodes collect signals related to the node and combine the CAN bus data to determine their own working status, and at the same time issue their working status and control instructions to the high-speed CAN bus, thus forming a body network control system. The high-speed CAN of the present invention conforms to the CAN2.0B extended format, and the baud rate is 250KB / s or higher, and the low-speed CAN conforms...
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