Current data acquisition analysis and transmission system and method based on can protocol

A technology of data acquisition analysis and transmission system, which is applied in the direction of digital transmission system, transmission system, data exchange network, etc., can solve the problems of inconvenient processing, normal data being judged as abnormal data, and affecting normal data transmission, etc., so as to achieve convenient processing and improve The effect of improving reliability and correctness

Inactive Publication Date: 2022-02-15
存灏技术(武汉)有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] Aiming at the above-mentioned shortcomings existing in the prior art, the present invention provides a current data acquisition analysis and transmission system and method based on the can protocol, which can effectively solve the lack of the function of multiple verification of questionable data in most of the prior art, and many Sometimes, due to system network fluctuations or hardware failures, normal data is easily judged as abnormal data, which greatly affects the normal transmission of data and is inconvenient to deal with.

Method used

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  • Current data acquisition analysis and transmission system and method based on can protocol
  • Current data acquisition analysis and transmission system and method based on can protocol
  • Current data acquisition analysis and transmission system and method based on can protocol

Examples

Experimental program
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Embodiment 1

[0054] A current data acquisition analysis and transmission system based on the CAN protocol in this embodiment, such as figure 1 shown, including:

[0055] The central management module 1 is used to control the operation of the can bus program and the instructions sent by the operation unit;

[0056] Node collection module 2, used to collect the original current data of each node;

[0057] The data storage module 3 is used to store data, support writing, copy and save the collected original data, and classify it into relevant units;

[0058] The data analysis module 4 is used to unpack and analyze the original current data, convert the data into a suitable format, and decode it;

[0059] The verification module 5 is used to verify whether there is an abnormal state in the current data, and to perform real-time detection;

[0060] The transmission module 6 is used to submit and transmit the data determined to be normal;

[0061] A receiving module 7, configured to receive fi...

Embodiment 2

[0074] In other aspects, this embodiment also provides a current data acquisition analysis and transmission method based on the CAN protocol, such as figure 2 and 3 shown, including the following steps:

[0075] Step1: Start to receive information, relying on the CAN bus to collect raw current data in each unit;

[0076] Step2: Copy the collected data into the database and store it under the classification item of the relevant unit;

[0077] Step3: Unpack the collected raw current data and convert it into an adapted format;

[0078] Step4: Analyze the current data and integrate and classify;

[0079] Step5: Check the processed current data to see if it is within the calibration threshold;

[0080] Step6: If the judgment is passed, submit the data information for transmission;

[0081] Step7: Send the data to the receiving node;

[0082] Step8: Judgment fails, the data exceeds or falls below the calibration threshold range, stop submitting the transmission;

[0083] Ste...

Embodiment 3

[0096] In this example, the data sent by the node on the CAN bus node is broadcast to all nodes in the network in the form of a message, and the transceiver sends the data to the controller after receiving the data, and then the controller checks to determine whether it is the required data. If not, ignore it, any node on the network can send data at any time, multiple nodes send data, low priority to actively quit sending, short frame structure, each frame of data information is 0-10 bytes, user-defined editing , data encoding instead of address encoding, each frame can have CRC check and other inspection measures, and it has the function of automatically closing the output in case of serious errors.

[0097] In summary, in the present invention, the central management module 1 generally controls the operation of the system, and the node acquisition module 2 collects node current data, which is stored in a mirror image through the data storage module 3, and the original data i...

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Abstract

The invention relates to the field of electronic control, and discloses a current data acquisition analysis and transmission system and method based on a can protocol, and the system comprises a central management module which is used for controlling the operation of a can bus program and an instruction sent by an operation unit; a node acquisition module which is used for acquiring original current data of each node; a data storage module which is used for storing data, supporting write-in, copying and storing the collected original data and classifying the collected original data into the classification of a related unit; and a data analysis module which is used for deblocking and analyzing the original current data, converting the data into a proper format and decoding the data. According to the invention, the abnormal data can be verified and reported, the problem data can be verified and compared, whether the data is abnormal or not can be confirmed in the system, the abnormal data can be conveniently sorted and solved, and the influence on the outflow of normal data due to the timely network fluctuation and hardware fault of the system can be prevented.

Description

technical field [0001] The invention relates to the technical field of electronic control, in particular to a current data acquisition, analysis and transmission system and method based on the CAN protocol. Background technique [0002] The can controller area network bus, also known as the controller area network bus, is a serial communication protocol bus for real-time applications. It can use twisted-pair wires to transmit signals and is one of the most widely used field buses in the world. The CAN protocol is used for communication between various components in the car, replacing expensive and bulky distribution wiring harnesses. The robustness of the protocol extends its use to other automation and industrial applications. The characteristics of the can protocol include complete serial data communication, real-time support, transmission rate up to 1Mb / s, and eleven-bit addressing and error detection capabilities; [0003] However, most of the existing current data col...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04Q9/00H04L12/40
CPCH04Q9/00H04L12/40H04L2012/40215
Inventor 王康宇
Owner 存灏技术(武汉)有限公司
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