GPS (Global Positioning System) track irregularity detection system and method

A technology of track irregularity and detection system, which is applied to tracks, track maintenance, roads, etc., can solve the problems of inaccurate track information, limited measurement distance, affecting track detection accuracy, etc., and achieves the effect of simple processing of position information.

Active Publication Date: 2012-02-01
SAFEWAY XIAN NAVIGATION TECH
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Problems solved by technology

The inaccuracy of standard orbit information is also an important reason affecting the accuracy of orbit detection
[0021]3. Defects in measurement technology
The movement and vibration of the measurement equipment will affect the measurement value of the accelerometer, so the measurement accuracy of the attitude is also limited
In conclusion, inertial measurement equipment is not suitable for long-term use, because the measurement speed is limited, so that the measurement

Method used

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  • GPS (Global Positioning System) track irregularity detection system and method
  • GPS (Global Positioning System) track irregularity detection system and method
  • GPS (Global Positioning System) track irregularity detection system and method

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[0088] The present invention will be described in further detail below in conjunction with the accompanying drawings:

[0089] See figure 1 , 2 , A GPS track irregularity detection system, comprising a measurement unit and a data post-processing unit. The measurement unit includes a mobile support and a measurement device movably arranged on the surface of the track; the measurement device is rigidly fixed on the mobile support, and the measurement device It includes 2 independently set measurement data acquisition recorders; the measurement data acquisition recorder is used to measure the status data of the mobile support in real time and record the status data of each measurement in a chronological order in the data recording unit; the data The post-processing unit is used for offline processing of the status data recorded in the data recording unit.

[0090] The two independently set measurement data acquisition recorders are respectively a first measurement data acquisition rec...

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Abstract

The invention discloses a GPS (Global Positioning System) track irregularity detection system and method. The system comprises a measuring unit and a data postprocessing unit, wherein the measuring unit comprises a moving bracket movably arranged on the surface of a track, and a measuring device; the measuring device is rigidly fixed on the moving bracket and comprises two independently-arranged measured data acquisition recorders; the measured data acquisition recorders are used for measuring state data of the moving bracket in real time and recording the state data measured at every time to a data recording unit according to a time sequence arrangement; and the data postprocessing unit is used for processing the state data recorded in the data recording unit in an off-line way. The GPS (Global Positioning System) track irregularity detection system and method disclosed by the invention have the advantages of high measurement precision, high measurement speed and complete measuring functions.

Description

Technical field: [0001] The invention belongs to the field of track detection, and relates to a GPS track detection device and a detection method thereof, in particular to a GPS track irregularity detection system and a detection method thereof. Background technique: [0002] Track inspection cars, streamlined trolleys, track inspection trolleys, strings and track rulers are the main equipment for measuring track irregularities at present. Due to various reasons, the accuracy of traditional measuring equipment is limited and it is impossible to quickly and effectively detect high-speed rail ballastless tracks. [0003] Although the rail inspection vehicle can quickly detect the track, it needs to use many inertial sensors to complete various detection tasks, the structure is complicated, and the operation is complicated, and it needs to train professionals to measure. Because of the offset error, the wavelength and measurement accuracy that the track inspection vehicle can ...

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Application Information

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IPC IPC(8): E01B35/00
Inventor 韩云飞
Owner SAFEWAY XIAN NAVIGATION TECH
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