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Track measuring system and measuring method

A measurement method and track detection technology, which is applied in the direction of tracks, measuring instruments, measuring devices, etc., can solve the problems of increasing the workload of testing personnel and low work efficiency, and achieve the effect of simple method, high-precision measurement, and cost reduction

Active Publication Date: 2022-03-11
BEIJING AUTOMATION CONTROL EQUIP INST
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Problems solved by technology

The wavelength of the chord measurement method is closely related to the length of the detection chord. When it is necessary to analyze the track smoothness of multiple wavelengths, it is necessary to replace the detection device and re-measure, or perform a conversion based on the current detection results. The former increases the detection The workload of the personnel is low, and the work efficiency is low, and there are large errors in the latter

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  • Track measuring system and measuring method
  • Track measuring system and measuring method

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Embodiment Construction

[0017] The present invention will be described in detail below in conjunction with specific examples and accompanying drawings.

[0018] like figure 1 As shown, the present invention provides a kind of track measurement method, comprises the following steps:

[0019] The inertial measurement component data is processed to obtain the position and attitude information of the inertial measurement component.

[0020] In this step, the inertial measurement component can be a simple inertial navigation system, or an integrated navigation system composed of inertial navigation. The specific data processing can be obtained through Kalman filtering, which can be obtained by techniques known in the art.

[0021] Further, the present invention provides data processing based on the SINS / DGPS integrated navigation system, specifically as follows:

[0022] (1) Using the high-precision differential GPS information, the integrated navigation method based on Kalman filtering is used to obtai...

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Abstract

The invention provides a track measurement system and a track measurement method. The track measurement method comprises the steps of inertial measurement assembly data processing, laser measurement assembly data processing, inertial measurement assembly and laser measurement assembly data fusion, and track position information obtaining. According to the invention, data of the inertial measurement assembly is used as a reference, data of the inertial measurement assembly and data of the laser measurement assembly are fused, and high-precision measurement of the track line shape is realized.

Description

technical field [0001] The invention relates to a track measurement system and a measurement method, belonging to the technical field of track detection applications. Background technique [0002] In order to ensure the operational safety of rail transit, in recent years, rail precision detection technology has developed rapidly, and many countries have invested a lot of manpower and material resources to develop and update various rail detection methods to meet the requirements of today's high-speed and heavy-duty railways. Because the vehicle-mounted dynamic detection method has little impact on normal operations, high efficiency, fast speed, and truly reflects the state of infrastructure under train operating conditions, it has become one of the main detection methods for the safety state of railway and urban rail transit infrastructure. . [0003] The state detection of track geometric parameters mainly includes gauge, rail direction, height and other detection items, w...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B61K9/08E01B35/00G01D21/02
CPCB61K9/08E01B35/00G01D21/02Y02T90/00
Inventor 邓继权郭玉胜邹思远刘洋周亚男王海军庄广琛裴新凯
Owner BEIJING AUTOMATION CONTROL EQUIP INST