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Highway electromechanical equipment life prediction system for full life cycle

A technology for full life cycle, electromechanical equipment, applied in computer-aided design, computer parts, design optimization/simulation, etc., can solve the problem of inaccurate life prediction results of highway electromechanical equipment

Pending Publication Date: 2020-07-07
CHANGAN UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] Aiming at the deficiencies and defects of the above-mentioned prior art, the purpose of the present invention is to provide a life cycle-oriented road electromechanical equipment life prediction system to solve the technical problem of inaccurate life prediction results of road electromechanical equipment in the prior art

Method used

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  • Highway electromechanical equipment life prediction system for full life cycle
  • Highway electromechanical equipment life prediction system for full life cycle
  • Highway electromechanical equipment life prediction system for full life cycle

Examples

Experimental program
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Effect test

Embodiment 1

[0032] This embodiment provides a key electromechanical equipment identification module of a highway tunnel, including the following steps:

[0033] Step 1.1, according to the road tunnel electromechanical equipment maintenance records, obtain the number of failures gn of the road tunnel electromechanical equipment within the monitored days, the equipment cost em, the maintenance cost wc, and record the maintenance level drq of the road tunnel electromechanical equipment;

[0034] in:

[0035] If the mechanical and electrical equipment of the road tunnel is replaced due to direct damage, the number of failures of the mechanical and electrical equipment of the road tunnel gn will still be increased by 1;

[0036] When the maintenance process is a daily inspection of the appearance and working status of the equipment, checking whether the working function, performance, and operating environment of the equipment meet the requirements, and recording potential safety hazards, drq=1...

Embodiment 2

[0065] This embodiment also provides a method for constructing a prediction model for the remaining life of electromechanical equipment in a highway tunnel, the method including the following steps:

[0066] Step 2.1, acquisition of life characteristic data set of electromechanical equipment in highway tunnel:

[0067] Collect internal state parameter data and external environmental parameter data of highway tunnel electromechanical equipment to establish an original data set, clean and denoise the original data set, group the cleaned data according to a fixed time step, update the data set, and obtain electromechanical equipment A dataset of life characteristics;

[0068] The internal state parameters of the electromechanical equipment of the highway tunnel are voltage, current, power, vibration, maintenance times, composition complexity and running time;

[0069] The external environmental parameters are temperature, humidity, wind force, wind speed, extreme weather times, ...

Embodiment 3

[0130] This embodiment provides a method for constructing a degradation analysis model of expressway electromechanical equipment, which is carried out according to the following steps:

[0131] Step 3.1, get raw data:

[0132] The original data includes the monitoring data of the operating status, health status monitoring data, operating environment status monitoring data and historical maintenance data of the expressway electromechanical equipment in the same period;

[0133] The operating state monitoring data includes the voltage, current and power factor of the electromechanical equipment on the expressway;

[0134] The health status monitoring data includes lighting luminous flux maintenance rate, battery capacity or PLC reading and writing speed;

[0135] The monitoring data of the operating environment conditions include ambient temperature, ambient humidity, and vibration monitoring values ​​of expressway electromechanical equipment;

[0136] The historical maintenan...

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Abstract

The invention provides a highway electromechanical equipment life prediction system for a full life cycle. The highway electromechanical equipment life prediction system comprises a highway tunnel keyelectromechanical equipment recognition module, a highway tunnel electromechanical equipment residual life prediction module and a highway electromechanical equipment degradation analysis module, wherein the highway tunnel key electromechanical equipment recognition module is used for recognizing and screening key equipment in highway tunnel electromechanical equipment; the highway tunnel electromechanical equipment residual life prediction module is used for carrying out residual life prediction on the key equipment recognized and screened from the highway tunnel electromechanical equipment;and the highway electromechanical equipment degradation analysis module is used for carrying out degradation analysis on the highway electromechanical equipment. According to the highway electromechanical equipment life prediction system, key equipment identification screening and highway tunnel electromechanical equipment residual life prediction are combined, so that the efficiency and accuracyof the prediction system are greatly improved; and in combination with highway electromechanical equipment degradation analysis, life prediction for the whole life cycle of the highway electromechanical equipment can be realized.

Description

technical field [0001] The invention belongs to the field of road traffic electromechanical equipment, and relates to life prediction of road electromechanical equipment, in particular to a life cycle-oriented road electromechanical equipment life prediction system. Background technique [0002] Fault prediction and health management (Prognostics and Health Management, PHM) technology is an interdisciplinary and popular research direction covering basic materials, mechanical structures, energy, electronics, automatic testing, reliability, information, etc. Fault prediction, equipment remaining useful life (Remaining Useful Life, RUL) prediction, etc., provide a comprehensive view of the health status of electromechanical equipment or the entire system, and have developed into an important supporting technology and foundation for system logistics support, maintenance and autonomous health management in the aerospace field . At present, the fault diagnosis system based on art...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F30/27G06K9/62G06N3/04G06F119/04
CPCG06N3/049G06N3/045G06F18/23213G06F18/24323
Inventor 许宏科林杉陈天益牛军刘占文赵威刘冬伟
Owner CHANGAN UNIV