Track detection method and system based on inertial navigation system and combination of multiple sensors
A track detection and inertial navigation system technology, which is applied in railway inspection cars, railway vehicle shape measuring instruments, railway car body components, etc., can solve problems such as unfavorable train safety.
Active Publication Date: 2021-08-20
常州名吉轨道交通科技有限公司
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But no matter what kind of technical means, in the prior art, after the track is detected to be irregular, the track is repaired, which is not conducive to the safe running of the train on the track
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[0056] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.
[0057] see figure 1 , the present invention provides a technical solution: An orbit detection method based on an inertial navigation system and a combination of multiple sensors, the orbit detection method comprising:
[0058] The inertial navigation car is equipped with a variety of sensors for detecting track data information, including ranging sensors, angle measuring sensors, inertial sensors, mileage sensors, coordinate acquisition sensors and image senso...
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The invention discloses a track detection method based on an inertial navigation system and a combination of multiple sensors, and the method comprises the steps: employing an inertial navigation trolley, wherein the inertial navigation trolley is provided with multiple sensors for detecting the data information of a track, and comprises a distance measuring sensor, an angle measuring sensor, an inertial sensor, a mileage sensor, a coordinate obtaining sensor and an image sensor; calculating the irregularity quality index of each section of track according to data information detected by various sensors on the inertial navigation trolley, and when the irregularity quality index of a certain section of track is greater than a quality index threshold value, transmitting information to overhaul the section of track; when the irregularity quality index of a certain section of track is smaller than or equal to a quality index threshold value, comparing the irregularity quality index with the irregularity quality index, calculated last time, of the section of track, and accordingly judging whether the irregularity quality index of the section of track needs to be compared or not; and analyzing and judging whether the track plate needs to be overhauled or not.
Description
technical field [0001] The invention relates to the technical field of track detection, in particular to a track detection method and system based on an inertial navigation system and a combination of various sensors. Background technique [0002] High-speed railway track disease detection and diagnosis technology is one of the key technologies that domestic and foreign scientific research institutions, high-tech enterprises, and railway management organizations are most concerned about. With the rapid development of sensor technology, high-precision laser measurement technology, computer technology, and image processing and analysis technology Development, high-speed rail track disease detection technology has made great progress in recent years. In the aspect of high-speed railway track geometric parameter measurement and irregularity detection, the research work mainly revolves around the high-precision detection of track static geometric parameters and the fast and effic...
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IPC IPC(8): B61K9/08B61K9/10B61D15/08
CPCB61K9/08B61K9/10B61D15/08
Inventor 李毛毛丁健
Owner 常州名吉轨道交通科技有限公司