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Bus networking system and bus arbitration method

A bus arbitration and bus group technology, applied in the direction of bus network, data exchange through path configuration, etc., can solve problems such as high cost, real-time performance, poor reliability, etc., achieve high reliability, reduce controller settings, and simplify grouping. The effect of the network structure

Pending Publication Date: 2022-04-15
FOSHAN UNIVERSITY
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Problems solved by technology

[0002] Small-scale local area networks in engineering applications are usually formed by fieldbus networking. Commonly used buses such as RS-485 bus, CAN bus, etc., CAN bus has better bus arbitration, which can effectively prevent bus conflicts, but the cost of system configuration is relatively Higher, the RS-485 bus has a simple structure and low cost, but it can only form a master-slave structure system, with poor real-time performance and reliability

Method used

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  • Bus networking system and bus arbitration method
  • Bus networking system and bus arbitration method
  • Bus networking system and bus arbitration method

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Embodiment Construction

[0032] In order to better illustrate the present invention, the present invention will be further described in detail below with reference to the accompanying drawings.

[0033] It should be clear that the described embodiments are only some of the embodiments of the present application, rather than all of the embodiments. Based on the embodiments in the embodiments of the present application, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the embodiments of the present application.

[0034] The terms used in the embodiments of the present application are only for the purpose of describing specific embodiments, and are not intended to limit the embodiments of the present application. The singular forms "a", "said" and "the" used in the embodiments of this application and the appended claims are also intended to include plural forms unless the context clearly indicates otherwise. It shoul...

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Abstract

The invention relates to a system structure of bus arbitration, in particular to a bus networking system and a bus arbitration method suitable for a local area network, and discloses the bus networking system and the bus arbitration method, which are directly connected with a bus through a processor in combination with a driver. A processor is set to have a unique local address and can receive and send data, and whether the processor can successfully acquire a bus or not is judged by judging whether the received data containing local address information is consistent with the sent data containing the local address information or not. Therefore, the arrangement of the controller in the CAN bus application in the prior art is reduced, the networking structure is simplified, and the reliability is high.

Description

technical field [0001] The invention relates to a bus arbitration system structure, in particular to a bus networking system and bus arbitration method suitable for local area networks. Background technique [0002] Small-scale local area networks in engineering applications are usually formed by fieldbus networking. Commonly used buses such as RS-485 bus, CAN bus, etc., CAN bus has better bus arbitration, which can effectively prevent bus conflicts, but the cost of system configuration is relatively Higher, the RS-485 bus is simple in structure and low in cost, but it can only form a master-slave structure system, and its real-time performance and reliability are poor. The modern intelligent community requires a field bus system with simple networking protocol, high real-time reliability, long transmission distance and low cost. [0003] Therefore, for the above problems, a solution is urgently needed. Contents of the invention [0004] The purpose of the present invent...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L12/40
Inventor 蒋业文于昕梅谭海曙段志奎陈樱聪
Owner FOSHAN UNIVERSITY
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