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Special vehicle health state evaluation method and device

A technology of health status and special vehicles, applied in the direction of measuring devices, vehicle testing, complex mathematical operations, etc., can solve problems such as the inability to guarantee the safe and stable operation of the whole vehicle, and the inability to understand the whole vehicle, so as to achieve mature algorithms and simple and clear realization Effect

Pending Publication Date: 2020-10-09
中国人民解放军92228部队
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The disadvantage of this method is that it does not evaluate whether maintenance is required from the perspective of the entire vehicle, and it is impossible to have a comprehensive understanding of the entire vehicle. Still able to run safely and stably

Method used

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  • Special vehicle health state evaluation method and device
  • Special vehicle health state evaluation method and device
  • Special vehicle health state evaluation method and device

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Effect test

Embodiment 1

[0069] Such as figure 1 As shown, in order to solve the above-mentioned deficiencies in the prior art, this embodiment provides a method for evaluating the health state of a special vehicle, which specifically includes the following steps: constructing a key subsystem according to the vehicle structure; obtaining the key subsystems that constitute the key subsystem Key components; according to the key subsystems and the key components, and obtain the characteristic parameters affecting each key component; assign weights to the key subsystems, key components, and key components; analyze the key components Historical data of characteristic parameters, constructing the characteristic parameter envelope spectrum; obtaining the real-time characteristic parameter data of the key components, according to the key characteristic parameter envelope spectrum, obtaining the abnormal deviation degree of each characteristic parameter, and determining the degree of deviation from the characte...

Embodiment 2

[0143] The health status assessment model of a special vehicle based on the envelope spectrum. The implementation of the model needs to rely on the sensor parameters collected in real time by the vehicle. The vehicle acquisition equipment communicates with the special software for health assessment. The health status evaluation model of the special software for health evaluation can give the current health index of the whole vehicle in real time and give a health evaluation report.

[0144] The specific model implementation process is as follows:

[0145] 1. Connect and communicate with the on-board acquisition system to obtain all online monitoring features on the vehicle as the data basis for health status assessment. For the key subsystems of special vehicles involved in the patent, the on-board acquisition system generally has corresponding acquisition sensors, which decompose these related features according to subsystems and key components, and then form a time-series da...

Embodiment 3

[0168] Another aspect of the present invention provides a special vehicle health status assessment device, such as Figure 11 shown, including:

[0169] An initialization module, configured to construct a key subsystem according to the vehicle structure, set key components of the key subsystem, and obtain characteristic parameters affecting each key component according to the key subsystem and the key components;

[0170] The weight setting module is used to assign weights to the characteristic parameters of the key subsystems, key components and key components, analyze the historical data of the characteristic parameters of the key components, and construct the characteristic parameter envelope spectrum;

[0171] The real-time analysis module is used to obtain the real-time characteristic parameter data of the key components, obtain the abnormal deviation degree of each characteristic parameter according to the envelope spectrum of the key characteristic parameters, and dete...

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Abstract

The invention discloses a special vehicle health state evaluation method and device, and the method comprises the steps: constructing a key subsystem, a key part and a feature parameter according to avehicle structure, and distributing a weight for the key subsystem, the key part and the feature parameter; analyzing historical data of the characteristic parameters of the key component, and constructing a characteristic parameter envelope spectrum; obtaining real-time characteristic parameter data of the key component, obtaining an abnormal deviation degree of each characteristic parameter according to the key characteristic parameter envelope spectrum, and determining a health index of the key component corresponding to the characteristic parameter; determining a health index of the key subsystem according to the key subsystem, the key component and the characteristic parameter weight of the key component; and obtaining a health state evaluation report of the vehicle according to thekey subsystem and the health indexes of the key components. According to the invention, noise extraction and elimination can be carried out from multiple angles of the time domain and the frequency domain, the anomaly is detected, the anomaly result and the anomaly degree are obtained, the defect that the traditional method has high requirements on data is overcome, and the health state evaluationprecision is improved.

Description

technical field [0001] The invention relates to the field of health management of a special vehicle, in particular to a method and device for evaluating the health state of a special vehicle. Background technique [0002] Special vehicle refers to a special-purpose vehicle whose external dimensions, weight, etc. exceed the limit of the designed vehicle, which is specially made or specially modified, equipped with fixed devices and equipment, and whose main function is not to carry people or transport goods. Based on this feature, the use, maintenance, and repair of special vehicles are different from ordinary vehicles. Due to the high cost of special vehicles, complex structures, and special missions, performing corresponding maintenance after failures will produce obvious economic benefits. Loss, the health status assessment for special vehicles is particularly necessary. [0003] Currently, there are two main maintenance methods for special vehicles, one is regular inspec...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01M17/007G01M13/00G01M13/028G01M13/045G06F17/10
CPCG01M13/00G01M13/028G01M13/045G01M17/007G06F17/10
Inventor 孟祥辉熊尚朱遴
Owner 中国人民解放军92228部队
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