Virtual Maintenance Technology Research Articles

Modeling and Simulation of mechanical equipment virtual maintenance training collaborative operation

Virtual maintenance technology is a useful supplement to mechanical manufacturing technology. Virtual maintenance training can improve training efficiency, reduce training cost and operating expenses. In order to realize multi person collaborative maintenance training under the maintenance simulation environment, this paper carries out the research on virtual maintenance training collaborative operation modeling and simulation. Firstly, the coordination of maintenance operation process is analyzed, and the operation tasks are reasonably and effectively decomposed according to the structure, function and relationship of maintenance objects; The logical relationship of collaborative maintenance operation is represented by collaborative network operation model; According to the mechanical equipment maintenance process and the characteristics of multi-agent, a hybrid cooperation model based on the role and multi-agent is constructed; In order to realize the concurrency control of collaborative operation, according to the logical relationship between tasks and resource constraints in the working environment, the locking method is used to control the execution of maintenance tasks; The mechanical equipment virtual training and assessment platform is constructed to realize the functions of disassembly process training, operation learning and process discussion.

The 3D-simulation design of interactive action based on the magnetoresistive sensor

The project based on virtual maintenance technology is derived from the virtual maintenance platform of weapon equipment, and designed action acquisition module which used the magneto resistive sensor to collect body movements condition from the training person. The body movements condition was transmited to the 3d view field of the upper machine, and then drived the virtual character to do what the the training person did synchronously. Model of body movements, program framework of the sync action between virtual and real, and the design of ant geomagnetic interference by the module of magneto resistive sensor are given by Orger engine in the 3d view field. The resultes of application displays that the design realized target demand of real-time interactive between virtual and real, and the design has characteristics as stable circuit response, accurate transmission and good antiinterferance.

MAINTAINABILITY ANALYSIS AND EVALUATION OF FLEXIBLE CABLES BASED ON DELMIA

This paper presents a virtual maintenance application for the maintainability analysis and evaluation of flexible cables to provide recommendations on the maintainability of products containing cables during the early stages of product design. This paper provides a methodology for complex products containing cables detecting the potential defects via virtual maintenance technology. An integrated platform for analyzing and evaluating cable maintenance in a virtual environment is designed. Then, based on the maintenance simulation platform DELMIA, a cable maintainability evaluation system is proposed. The system consists of an evaluation element, a evaluation criteria, and an evaluation method. A case study on aviation aircraft subsystem disassembly was used to validate the feasibility of virtual maintenance in improving cable maintainability designs.

Research of Armored Anti-Riot Vehicles Repair Based on Virtual Maintenance Technology

Virtual maintenance technology is a major innovation in the equipment maintenance field in recent years, the armored anti-riot vehicles play a vital role in the tasks of the duty, conflict, terrorism of the armed police force. In order to apply the virtual maintenance technology in armored anti-riot vehicles better, the article introduced the virtual maintenance technology and its key technologies, and gave the importance of virtual maintenance technology. It established the virtual maintenance process model of armored anti-riot vehicles. At last, it gave the prospect of the technology and made some suggestions.

Virtual Maintenance Technology Application Research in Agricultural Vehicle Repair

This paper introduces the virtual maintenance technology, expounds the present situation of agricultural vehicle maintenance and the necessity of virtual maintenance application in vehicle maintenance, and discusses the application of virtual maintenance technology in agriculture vehicle maintenance. Finally the suggestions used on virtual agricultural vehicle maintenance in the future are put forward.

Advances of Virtual Maintenance Technology

Virtual Maintenance Technology (VMT), characterized with advantages such as high integration, strong interactivity and economical efficiency, has been broadly applied in industrial applications, academic researches and software systems. Through basic elements and vital technologies on virtual maintenance, the advantages and differences among different methods are analyzed and compared in terms of research advances. By summarizing the critical features of virtual maintenance technology, the future directions in this area are pinpointed.

A modeling approach for maintenance safety evaluation in a virtual maintenance environment

This paper presents a novel virtual maintenance application for maintenance safety evaluation (MSE) to provide recommendations on maintenance safety during the early stages of product design. The proposed methodology detects the potential defects via virtual maintenance technology, and safety evaluation could be carried out in a predictive way intuitively and systemically to decrease the possibility of accidents. After reviewing relevant publications, a MSE model with thorough consideration of the characters in the virtual maintenance environment was addressed. The model consists of evaluation contributors, evaluation criteria, and evaluation methodology. A case study on APU system maintenance was used to illustrate the performance of the evaluation model. The result showed the feasibility of virtual maintenance in improving maintenance safety designs.

A Visibility Design Method Based on Virtual Maintenance in Maintainability Design

With the development of virtual maintenance technology, it is achievable to analyze the characters and elements on visibility during maintainability design before equipment manufacturing. After relating maintenance in virtual maintenance environment, a referable visibility design method could be carried out and corresponding suggestion on maintainability design will be given, and detailed information will be illustrated with a disassemble process issue.

Research on Equipment Virtual Maintenance Technology

With the development and application of automation and information technology, missile equipment become increasingly sophisticated and complex, combined with cost, quantity,safety and other factors, maintenance and support the missile equipment face enormous challenges.This paper introduce firstly the virtual maintenance technology, and then propose the main functions and tasks of missile equipment virtual maintenance system based on virtual maintenance technology and take active interest in the development and application of domestic and foreign research results.

Maintenance Simulation and Maintainability Design Based on Virtual Reality

Virtual maintenance technology based on the concept of concurrent engineering can change the traditional maintainability "serial" design approach which cause the cycle is long, costly and difficult to change the design defects and shortcomings, and also meet the timing and economics of product development needs. However, the theory of virtual maintenance is not fully studied and researches are deficiency in the field of virtual maintenance modeling and simulation. So this article discusses the concept and connotation of virtual maintenance, and virtual maintenance model and simulation control method are studied in the paper. The model of maintenance task simulation called MTN (Maintenance Task Net) is present, and the factors including State, Action and Condition that are defined in MTN are demonstrated. In addition, the paper constructs the fire rules and the control mechanism of virtual maintenance simulation which is driven by MTN. Finally, a case study of the LRU repair of an aircraft is conducted, and the result confirms the validation and feasibility of all the studies, which can become a new technique means for maintainability design and analysis.

Analysis of Key Technologies for Aeroengine Maintenance Based on Virtual Reality

The virtual maintenance technology based on the virtual reality technology has changed the traditional single-site maintenance means, and also overcame the shortcoming of manufacturing cycle length, high cost, and difficult to amend for the physical prototype. Furthermore, it can expose the problem during the early design. The key technologies of virtual maintenance include the maintenance process model, virtual maintenance prototype, virtual maintenance simulation, analysis and evaluation of maintainability. In this paper, the research object is aeroengine.The key technologies of virtual maintenance were analyzed.