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Train positioning analysis method and system based on Monte Carlo simulation

A technology of train positioning and analysis method, applied in the field of train positioning analysis based on Monte Carlo simulation, can solve the problems of complex positioning system, lack of test data, difficult methods, etc., to achieve scene reproducibility, reduction of verification cycle, easy to find Effect

Pending Publication Date: 2022-02-08
CASCO SIGNAL +1
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Problems solved by technology

It aims to solve the problem of lack of test data in the new train positioning system of multi-sensor fusion in the prior art, and the complexity of the positioning system of multi-sensor fusion is difficult to analyze with existing methods

Method used

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  • Train positioning analysis method and system based on Monte Carlo simulation
  • Train positioning analysis method and system based on Monte Carlo simulation

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Embodiment Construction

[0040] The following is attached figure 1 and figure 2 and Specific Embodiments The Monte Carlo simulation-based train positioning analysis method and system proposed by the present invention will be further described in detail. The advantages and features of the present invention will become clearer from the following description. It should be noted that the drawings are in a very simplified form and all use imprecise scales, which are only used to facilitate and clearly assist the purpose of illustrating the embodiments of the present invention. In order to make the objects, features and advantages of the present invention more comprehensible, please refer to the accompanying drawings. It should be noted that the structures, proportions, sizes, etc. shown in the drawings attached to this specification are only used to match the content disclosed in the specification, for those who are familiar with this technology to understand and read, and are not used to limit the impl...

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Abstract

The invention discloses a train positioning analysis method and system based on Monte Carlo simulation. The method comprises the steps of initializing simulation parameters, simulating an operation scene, simulating train motion state data according to the operation scene, simulating satellite navigation information, speed sensor information, transponder position information and accelerometer information according to the train motion state data, designing a fusion algorithm, and carrying out fusion filtering processing on the simulated satellite navigation information, the speed sensor information, the transponder position information and the accelerometer information, and saving the above simulation data and results. According to the method, the test data are generated through simulation software without depending on hardware equipment, preliminary testing is carried out when system functions are not completed, the verification period of a positioning algorithm is greatly shortened, and rapid iteration of the train positioning algorithm is facilitated.

Description

technical field [0001] The invention relates to the technical field of rail transit, in particular to a train positioning analysis method and system based on Monte Carlo simulation. Background technique [0002] The train has the characteristics of high running speed, heavy load, and long braking distance. When an abnormality is found ahead (such as a train stopping), safety accidents will inevitably occur only by visual inspection. The train control system manages the operation of trains through technical means to keep the trains running at intervals, so that even if the train in front suddenly stops, the train behind will not cause a "rear-end collision accident". The train positioning technology acts as a "human eye" function in the system. Train positioning technology includes two functions: measuring train speed and determining train position. The existing China Train Control System (CTCS) system integrates train on-board and ground trackside information, and the trai...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B61L27/60B61L25/02
CPCB61L25/021B61L25/025B61L2205/04
Inventor 安鸿飞赵国智沈宇张志春张亚忠杨文袁花明王志坤欧国恩
Owner CASCO SIGNAL
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