Device and method for acquiring vehicle vibration information under transverse rail expansion
A technology of acquisition device and acquisition method, which is applied in the direction of measuring device, vibration test, railway vehicle test, etc., and can solve problems such as difficult problems, limited derailment situations, and low test speed
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Embodiment 1
[0059] Embodiment 1: The acquisition method of vehicle vibration information under lateral rail expansion, comprising the following steps:
[0060] S1: Obtain the parameters of the target vehicle;
[0061] S2: Load the parameters into a model, the model is used to import the parameters of the target vehicle, and the model is used to simulate the vehicle operation of the target vehicle in the event of derailment;
[0062]S3: Loading target vehicle parameters into the model, and setting up the environment, establishing a virtual sensor, and performing simulation, the environment setting includes the background of the fault condition of the lateral rail expansion;
[0063] The background setting of the horizontal rail expansion fault condition is as follows:
[0064] Establish an evaluation factor tf to measure the degree of orbit expansion,
[0065]
[0066] Among them, a is the length of the rail expansion section, unit: meter; b, is the width of the rail expansion, unit: ...
Embodiment 2
[0085] Embodiment 2: The acquisition device of vehicle vibration information under lateral rail expansion, including a dynamic system, said dynamic system includes an information reading module, a model environment setting module, a simulation platform module, and also includes said vehicle under lateral rail expansion The model in the vibration information acquisition method;
[0086] The information reading module is used to load target vehicle parameters in the model;
[0087] The model environment setting module is used to adjust the environmental data information of the target vehicle under the lateral track expansion;
[0088] The simulation platform module is used to load the model, perform simulation, and output vibration information data of the target vehicle under lateral rail expansion.
[0089] It also includes a plurality of groups of virtual sensors arranged in the model, and the virtual sensors collect vibration information during the change process of the eval...
Embodiment 3
[0091] Embodiment 3: the application method of vehicle vibration information, such as figure 1 shown, including the following steps:
[0092] Step A: setting the acquisition device for vehicle vibration information under lateral rail expansion for multiple vehicles;
[0093] Step B: Import the real-time data information of the device into the monitoring room of the vehicle, and simultaneously import multiple sets of evaluation factors tf and virtual sensor collection data tables;
[0094] Step C: Fit and calculate the similarity between the real-time monitoring data of multiple sets of wheel-to-axleboxes and the data table collected by the virtual sensor, and give an active warning to the staff in the monitoring room when the similarity is higher than 60%;
[0095] Described data table comprises the vertical displacement data of a plurality of wheel pair axle boxes, wherein comprises the vertical displacement data of a plurality of wheel pair axle boxes under the evaluation f...
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