Vehicle-mounted trajectory and mileage monitoring and recording system

A technology for monitoring records and mileage, applied in the field of transportation management, to achieve the effect of improving fluctuations and disturbances

Inactive Publication Date: 2015-05-20
南京理工高新技术发展有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, in many cases, it is not possible to carry out so many equipment purchases and hardware modifications

Method used

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  • Vehicle-mounted trajectory and mileage monitoring and recording system
  • Vehicle-mounted trajectory and mileage monitoring and recording system
  • Vehicle-mounted trajectory and mileage monitoring and recording system

Examples

Experimental program
Comparison scheme
Effect test

Embodiment

[0014] Embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings.

[0015] The invention includes a mobile device and a cloud server. The mobile device uses an ARM main control chip to communicate with the network module and the GPS module respectively. The control chip receives the location information sent by the GPS module, analyzes the data and encapsulates it, and then transmits the data to the CDMA module, and then connects to the Internet through the CDMA network and finally sends it to the ITS monitoring center; the ARM main control chip receives and parses the data sent by the ITS control center According to the short message command, upload and locate the operation according to the command; display the system running status and the information sent by the ITS control center on the LCD screen;

[0016] The cloud server side controls the distribution of service IDs, data parallel processing and distribution, an...

Embodiment approach

[0020] (1) Intelligent terminal equipment module

[0021] The storage of the intelligent terminal adopts 4 MB NOR FLASH, 64 MB NAND FLASH and 32 MB SDRAM. NOR FLASH exchanges data with the CPU through a 16-bit data bus, and is used to store Uboot, Linux kernel, and file system; NAND FLASH stores application programs, and is used as the data memory of the system, such as loading electronic charts, etc. In order to give full play to the data processing capability of the 32-bit ARM processor, two 16-bit HY57V281620HG are selected in parallel to construct 32-bit SDRAM and ARM to exchange data. SDRAM is mainly used as the running space, data and stack area of ​​the program in the system.

[0022] The terminal GPS module selects iTrax100 from Fastrax Company of Finland. The module supports data formats of NMEA0183 and Sony ASC17 protocols. The GPS module sends data to AT91RM9200 in a fixed frame format through serial port 3. The GPS module needs to be equipped with a special GPS...

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PUM

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Abstract

The invention discloses a vehicle-mounted trajectory and mileage monitoring and recording system including a mobile device and a cloud server; the mobile device adopts an ARM main control chip to respectively be communicated with a network module and a GPS module; a cloud server terminal controls service ID distribution and data parallel processing and distribution; when a task termination signal is received, a monitoring result is stored into a database; a self-adaptive Kalman wave filter is used for filtering original GPS data and simultaneously can calculate user real-time terminal information, obtained effective data are positioned and annotated in map service by using an improved vertical projection matching algorithm, and a vehicle driving route is eventually generated. The system can realize multi-platform simultaneous checking of the real-time monitoring data, greatly improves fluctuations and disturbances by using a single device for collecting the GPS data in cities, and also can generate an intuitive route map according with reality and user habits.

Description

technical field [0001] The invention belongs to the field of transportation management, and more specifically relates to a vehicle track and mileage monitoring and recording system, which realizes vehicle driving condition recording by using an intelligent terminal to collect data. Background technique [0002] In the field of transportation management, people install independent control and data transmission systems by distributing independent GPS receiving devices to each supervised vehicle. In addition, for taxis and other industries that are sensitive to money, it is even necessary to carry out hardware monitoring on vehicles. modified. There is no doubt that these have greatly increased the cost and difficulty of use. However, in many cases, it is not possible to carry out so many equipment purchases and hardware modifications. At the same time, users do not need to achieve ultra-precise and strict monitoring. [0003] GPS intelligent terminal is an important part of...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G07C5/08
Inventor 李千目戚湧李宗骍侯君王鹏飞夏彬杨文
Owner 南京理工高新技术发展有限公司
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