Maintenance time prediction method based on virtual maintenance simulation process

A technology of virtual maintenance and maintenance time, applied in computing, special data processing applications, instruments, etc., can solve the problems of low degree of visualization and complex computing, and achieve the effect of strong versatility and getting rid of hysteresis.

Inactive Publication Date: 2014-03-26
BEIHANG UNIV
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Problems solved by technology

[0004] The purpose of the present invention is to overcome the shortcomings of complex calculation and low visualization in the traditional maintenance time estimation method, and to study the essential difference betwee

Method used

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  • Maintenance time prediction method based on virtual maintenance simulation process
  • Maintenance time prediction method based on virtual maintenance simulation process
  • Maintenance time prediction method based on virtual maintenance simulation process

Examples

Experimental program
Comparison scheme
Effect test

Embodiment

[0108] Taking the dismantling process of an electronic control device of an object as an example, according to the simulation rules in step 2 and its actual maintenance procedures, the simulation of the maintenance process in the virtual environment is completed, as shown in Figure 4 As shown, the main disassembly steps of the electronic control unit are as follows.

[0109] A. The virtual maintenance personnel walk to the maintenance object and stand on the workbench of the support equipment;

[0110] B. The virtual maintenance personnel pick up the screwdriver and stand on the pedal of the support equipment to remove the maintenance port cover;

[0111] C. The virtual maintenance personnel disconnect the electrical plugs connected to the electronic control device and peripheral equipment;

[0112] D. Virtual maintenance personnel remove the fixing bolts of the electronic control device;

[0113] E. Virtual maintenance personnel open the cover on the side of the electronic...

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Abstract

The invention relates to a maintenance time prediction method based on a virtual maintenance simulation process and belongs to the technical field of design of auxiliary products of the virtual reality technology. To overcome the defects that a traditional maintenance time prediction method is tedious in calculation and low in visualization degree and manpower and materials are wasted, statistics is performed on maintenance action design simulation rules with the method to determine the compensation time of each maintenance action, then, the maintenance process is simulated through the virtual reality technology, after the simulation, statistics is performed on the number of the maintenance actions in the simulation process, and the maintenance time is predicted according to the compensation time. According to the compensation time, corresponding compensation is performed on the differential value or the multiplication rate between a single actual maintenance action and the virtual operation. The method avoids tediousness and uncertainty of a traditional method in the calculation process, the maintenance time of a new product is predicted objectively and systematically in the early stage of product design through a product model machine, and auxiliary support is provided for the design scheme of the maintenance time of the product.

Description

technical field [0001] The invention relates to a method for predicting maintenance time based on a virtual maintenance simulation process, and belongs to the technical field of product design aided by virtual reality technology. Background technique [0002] Maintenance time is a very important factor in the quantitative design of product maintainability. The quality of its design affects the convenience of product maintenance and the usability of the product itself to a certain extent. The maintenance time is estimated at the initial stage of product design. For products The development of the design has a supporting role. The core of the traditional maintenance time prediction method is time accumulation. The process is based on past products or similar products. The maintenance time prediction is realized through the two processes of allocation and estimation. The whole process relies on complex mathematical calculations, and its visualization degree is very low. , it i...

Claims

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Application Information

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IPC IPC(8): G06F17/50
Inventor 周栋吕川耿杰曹清远郭志奇
Owner BEIHANG UNIV
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