Vehicle communication control device
A technology for communication control and vehicle use, applied in control systems, DC motor speed/torque control, electric vehicles, etc., can solve problems such as difficulty in ensuring communication reliability, communication delay, inability to perform high-speed communication, and signal transmission
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[0023] Hereinafter, preferred embodiments of the present invention will be described with reference to the drawings.
[0024] figure 1 An example of the basic structure of the vehicle communication control device according to the present invention is shown, particularly a case where an on-vehicle motor is controlled via an inverter having a switching element (power semiconductor element). exist figure 1 In the vehicle communication control device 100 shown, the control signal from the vehicle ECU 101 as the upper controller is received by the CAN transceiver 103 via the CAN bus 102, and the control signal passes through the high-speed signal isolation unit from there. A digital isolator 104 , a microcomputer 105 , and an inverter 106 are used for isolation of high-speed signals, and are transmitted to a motor 107 . The digital isolator 104 for high-speed signal isolation is installed on the insulation boundary 110 set between the low-voltage side circuit 108 and the high-v...
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