Electronic control unit, communication method, and vehicle-mounted network system
A technology of electronic control unit and vehicle network, which is applied in the direction of bus network, electrical components, transmission system, etc., and can solve the problems that are not suitable for data transmission
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Embodiment approach 1
[0064] Hereinafter, as an embodiment of the present disclosure, an in-vehicle network system 10 including a plurality of electronic control units (ECUs) and hubs (HUBs) for transferring (exchanging) data in the in-vehicle network will be described with reference to the drawings.
[0065] [1.1 Overall configuration of the in-vehicle network system 10]
[0066] figure 1 It is a diagram showing an in-vehicle network 11 including two networks in the in-vehicle network system 10 .
[0067] The vehicle 9 is equipped with various devices such as a control device, a sensor, an actuator, a user interface device, and an electronic control unit (ECU). The in-vehicle network system 10 is a network communication system having an in-vehicle network 11 for communicating information to and from various devices such as sensors and ECUs mounted in the vehicle 9 . The in-vehicle network 11 is configured to include: a control system network 1 (first network), which conforms to the CAN (Controll...
Embodiment approach 2
[0179] Hereinafter, the in-vehicle network system 10 shown in Embodiment 1 (refer to figure 2 ) will be described as an example obtained by partially modifying the configuration.
[0180] [2.1 Configuration of in-vehicle network system 10a]
[0181] Figure 20 It is a diagram showing a schematic configuration of the in-vehicle network system 10a. HUB 200 in in-vehicle network system 10 shown in Embodiment 1 is connected to one CAN bus in control system network 1 . In contrast, as Figure 20 As shown, in the in-vehicle network system 10a, the HUB 200a obtained by partially deforming the HUB 200 is connected to two buses in the control system network 1a, that is, the bus 30a (CAN bus 1) and the bus 30b (CAN bus 2). Among the constituent elements of the in-vehicle network system 10a, the same constituent elements as the in-vehicle network system 10, in Figure 20 marked with figure 2 The same reference numerals are omitted here. In addition, the in-vehicle network system...
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