Communication control system
A communication control and communication line technology, applied in general control systems, control/regulation systems, transmission systems, etc., can solve the problems of communication delay between the diagnostic machine and the electronic control device, and excessive communication volume of the communication line.
Pending Publication Date: 2021-09-10
HONDA MOTOR CO LTD
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Problems solved by technology
[0003] However, as in the system described in Patent Document 1, when the gateway to which the diagnostic machine is connected communicates with the electronic control device diagnosed by the diagnostic machine through the same communication line as other electronic control devices, the communication traffic on the communication line will be too much. Therefore, there may be a communication delay between the diagnostic machine and the electronic control device, etc.
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Embodiment Construction
[0014] Below, refer to Figure 1 to Figure 5 One embodiment of the present invention will be described. figure 1 It is a diagram schematically showing an example of an in-vehicle network 100 functioning as a communication control system according to an embodiment of the present invention. Such as figure 1 As shown, an engine (ENG) 2 is mounted on a vehicle 1 having an in-vehicle network 100 . It should be noted that the drive source of the vehicle 1 is not limited to the engine 2 , and may have a configuration including the engine 2 and a motor (electric motor).
[0015] The in-vehicle network 100 includes a control system network 3, an information system network 4, an external connection network 5, a function integration module (ECU: Electronic Control Unit) 6 for comprehensively controlling the control system network 3, and an integrated control system for each of the networks 3, 4, and 5. Managed by the Integrated Management Gateway (ECU) 7 . The integrated management g...
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The invention provides a communication control system. The system includes: first / second control unit configured to control vehicle; a first relay unit communicatively connected to the first control unit and having input unit to which data signal from diagnostic unit diagnosing state of the vehicle is input; a second relay unit communicatively connected to the second control unit; a first communication line communicatively connecting the first relay unit and the second relay unit; and a second communication line disposed in parallel to the first communication line and communicatively connecting the first / second relay units. The data signal input to the first relay unit includes identification information. The first relay unit controls flow of data so that the data signal input to the first relay unit is transmitted through the second communication line when the data signal input to the first relay unit includes the identification information set to be communicated through the second communication line.
Description
technical field [0001] The present invention relates to a communication control system for controlling communication within an in-vehicle network. Background technique [0002] Conventionally, there is known a system configured to connect a diagnostic machine for diagnosing the state of a vehicle to an in-vehicle network (for example, see Patent Document 1). In the system described in Patent Document 1, the diagnostic machine is connected to the on-vehicle network via a data link connector connected to a gateway. [0003] However, as in the system described in Patent Document 1, when the gateway to which the diagnostic machine is connected communicates with the electronic control device diagnosed by the diagnostic machine through the same communication line as other electronic control devices, the communication traffic on the communication line will be too much. Therefore, there is a possibility of causing a communication delay or the like between the diagnosis machine and ...
Claims
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IPC IPC(8): G05B19/042
CPCG05B19/0423G05B2219/25257H04W4/48H04L2012/40273H04L67/12H04L69/14H04L12/40182H04L2012/40215G07C5/0808G07C5/0816G07C5/008B60R16/0232B60W2050/0062
Inventor 古桥里志竹尾伸明富松修治斋藤达郎
Owner HONDA MOTOR CO LTD