New energy source vehicle failure data acquisition system
A new energy vehicle, fault data technology, applied in general control systems, control/regulation systems, testing/monitoring control systems, etc., can solve the problems of increased storage costs and difficulty in finding data for R&D personnel, and achieve the effect of reducing storage costs.
Active Publication Date: 2017-01-04
中山市澳多电子科技有限公司
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However, the amount of data is very large. Generally, the baud rate of one CAN network is 500Kbps. New energy vehicles generally have more than two CAN networks. The vehicle terminal stores all the data during the driving process of the vehicle, which will form a massive database ( It can reach several GB of data per day), which will not only increase storage costs, but also make it very difficult for developers to find fault-related data in a large amount of data
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[0012] The present invention is further described in conjunction with the following examples.
[0013] see figure 1 , figure 2 The new energy vehicle fault data collection system of this embodiment includes a data collection subsystem 1 and a data storage processing subsystem 2; the data collection subsystem 1 is used to obtain the latest first vehicle state data of a first length of time, It is also used to obtain the second vehicle state data of the second time length from the time when the fault occurs, and transmit the first vehicle state data and the second vehicle state data to the data storage and processing subsystem 2; the data storage and processing subsystem 2 uses Combining and compressing the first vehicle state data and the second vehicle state data to obtain a compressed file, and storing the compressed file in a memory.
[0014] Preferably, the second vehicle state data includes fault signal data.
[0015] Preferably, the data storage processing subsystem 2...
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The invention provides a new energy source vehicle failure data acquisition system. The system comprises a data acquisition subsystem and a data storage processing subsystem, wherein the data acquisition subsystem is used for acquiring the latest first vehicle state data in first time duration and is used for acquiring second vehicle state data in second time duration and transmitting the first vehicle state data and the second vehicle state data to the data storage processing subsystem; the data storage processing subsystem is used for merging and compressing the first vehicle state data and the second vehicle state data to obtain a compressed file and storing the compressed file into a memory. The new energy source vehicle failure data acquisition system has the advantages that vehicle data storage cost can be greatly reduced, data scenes before and after failure occurs can be completely stored, and effective data support is provided for subsequent failure scene reproduction, investigation and improvement of research and development.
Description
technical field [0001] The invention relates to the technical field of vehicle state data processing, in particular to a new energy vehicle fault data collection system. Background technique [0002] In new energy vehicles, the status and fault data of each controller will interact through the CAN bus. On the one hand, the remote monitoring terminal analyzes the data of the CAN bus in real time, and then sends it to the monitoring platform through the mobile network; on the other hand, the monitoring terminal can send The vehicle state data is stored in the local memory (usually SD card or Flash) in real time. However, the amount of data is very large. Generally, the baud rate of one CAN network is 500Kbps. New energy vehicles generally have more than two CAN networks. The vehicle terminal stores all the data during the driving process of the vehicle, which will form a massive database ( It can reach several gigabytes of data per day), which will not only increase storage c...
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IPC IPC(8): G05B23/02
CPCG05B23/0221
Inventor 不公告发明人
Owner 中山市澳多电子科技有限公司