CAN bus based controller network monitoring system and monitoring method

A technology of CAN bus and controller, applied in CAN bus-based controller network monitoring system and monitoring field, can solve the problems of poor practicability, poor compatibility of CAN bus communication interface equipment, inability to flexibly configure application layer protocols, etc., to ensure universal performance, the effect of ensuring robustness

Active Publication Date: 2009-11-04
阴晓峰
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  • Abstract
  • Description
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Problems solved by technology

[0004] The purpose of the present invention is to overcome the above deficiencies of the existing controller network monitoring system based on the CAN bus-poor compatibility to the CAN bus communication interface equipment of different manufacturers, the application layer protocol cannot be flexibly configured, the versatility is not strong, Poor practicability, providing a CAN bus-based controller network monitoring system and monitoring method

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  • CAN bus based controller network monitoring system and monitoring method
  • CAN bus based controller network monitoring system and monitoring method
  • CAN bus based controller network monitoring system and monitoring method

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Embodiment Construction

[0035] Such as figure 1As shown, the controller network monitoring system based on CAN bus is composed of monitoring software (not shown in the figure), monitoring microcomputer, CAN bus communication interface equipment, and the monitored controller network based on CAN bus. The monitoring software runs on On the monitoring microcomputer, the monitoring microcomputer is connected with the CAN bus of the monitored controller network through the CAN bus communication interface device. The monitoring microcomputer can be an industrial control / desktop computer or a portable computer. CAN bus communication interface equipment can use various CAN interface cards of Vector Company (including CANCARDX, CANPARI, CANAC2, CANAC2PCI, CANCARDY, CANCARDXL, CANCARD2, EDICCARD, VIRTUAL), and various low-cost MCU CAN interface card (including PCI5121, PCI9810, USBCAN1, USBCAN2, PCI9820, CAN232, PCI5110, CANLITE, ISA9620, ISA5420, PC104CAN, CANETE, DNP9810, PCI9840).

[0036] The software co...

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Abstract

The invention discloses a CAN bus based controller network monitoring system and a monitoring method. The monitoring system consists of monitoring software, a monitoring microcomputer, CAN bus communication interface equipment and a monitored controller network. The monitoring software is operated on the monitoring microcomputer, and the monitoring microcomputer is connected with the monitored controller network by the CAN bus communication interface equipment. The monitoring software is of modular component structure consisting of a communication component, an application component, an application layer protocol network configuration database and a management component thereof, a message analytic component and a message encapsulation component. The system is compatible with the CAN bus communication interface equipment of different manufacturers and can configure the application layer protocol flexibly, count bus communication characteristics and analyze messages in a real-time manner during a monitoring process, display monitoring information in a real-time manner by drawing a signal graph, tracking signal data and a CAN message and counting bus communication characteristic parameters, and reproduce the whole monitoring process afterwards, which has excellent versatility.

Description

technical field [0001] The invention relates to a CAN bus-based controller network monitoring system and a monitoring method, in particular to a CAN bus-based vehicle-mounted and industrial site controller network monitoring system and a monitoring method. Background technique [0002] The CAN (Controller Area Network) protocol, developed by the German company BOSCH, has now become the international standard ISO 11898. Due to its high communication rate (up to 1Mbps), high reliability and good error detection capability, CAN is widely used in automotive embedded control systems, as well as industrial control environments with harsh temperatures, strong electromagnetic radiation and large vibrations. At present, the CAN bus has become one of the standard buses for automotive electronic control systems and industrial control local area networks, and there are SAE J1939 protocols designed for commercial vehicles with CAN as the underlying protocol and CANOpen protocols for indu...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L12/28H04L29/06
Inventor 阴晓峰
Owner 阴晓峰
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