708 Hits in 8.1 sec

Fatigue evaluation in maintenance and assembly operations by digital human simulation in virtual environment

Liang Ma, Damien Chablat, Fouad Bennis, Wei Zhang, Bo Hu, François Guillaume
2010 Virtual Reality  
A framework based on digital human modeling technique is established to realize the comparison of physical status. An assembly case in airplane assembly is simulated and analyzed under the framework.  ...  The reduction of physical strength is simulated in a theoretical approach on the basis of a fatigue model in which fatigue resistances of different muscle groups were regressed from 24 existing maximum  ...  Acknowledgments This research was supported by the EADS and the Région des Pays de la Loire (France) in the context of collaboration between theÉcole Centrale de Nantes (Nantes, France) and Tsinghua University  ... 
doi:10.1007/s10055-010-0156-8 fatcat:32wb4ltfbrffpmaf2kcer5duja

A maintenance time prediction method considering ergonomics through virtual reality simulation

Dong Zhou, Xin-xin Zhou, Zi-yue Guo, Chuan Lv
2016 SpringerPlus  
The other one is that the data used in the cumulative model are usually obtained by the statistical experiment of skilled workers.  ...  One is that measuring maintenance time by the actual maintenance work relies on physical prototype which is lagged and modifying the design is very difficult in the in the later stage.  ...  Acknowledgements We are thankful to Long Xue and Wenqiang Zhou for language correction and anonymous reviewers.  ... 
doi:10.1186/s40064-016-2886-x pmid:27536522 pmcid:PMC4970994 fatcat:3u3ddks53ngg7cvbcpc7fbsz7y

A Maintenance Time Measurement Methodology under the Combination of Ergonomics and Virtual Simulation

Zhou Xinxin, State Key Laboratory of Virtual Reality Technology and System Beijing, China, Zhou Dong, Guo Ziyue
2017 International Journal of Engineering and Technology  
in virtual simulation environment can be got.  ...  The index of the maintenance time is very important in the maintenance design , a efficient maintenance time measurement methodology plays an important role in the early stage of the maintenance design  ...  Support data provide the data for the research, which are maintenance procedure, human model and ergonomics data; Support method is the MOD method, provides the key way to measure each maintenance virtual  ... 
doi:10.7763/ijet.2017.v9.986 fatcat:5favqosuebdwnlwaohwkj7ydoi

Review of Recent Developments in Ergonomic Design and Digital Human Models

Rajesh Raghunathan, Srinath R
2016 Industrial Engineering & Management  
Conclusions: The review has emphasized on design focus in intervention strategy. An ergonomic intervention framework has been proposed.  ...  ', 'ergonomic intervention', 'virtual reality' and 'digital human model'.  ...  The authors appreciate the efforts put in by Prof Reena Murali, Associate Professor in Computer Science and Engg, RIT Kottayam for the constructive suggestions and technical editing.  ... 
doi:10.4172/2169-0316.1000186 fatcat:66v5osvzo5cpnkmi6rmhxnpmwu

Integrating Ergonomics into Safety Management: A conceptual risk assessment model for tower controllers at multiple altitudes

Quan Shao, Min Dong, Zhiyuan Shen, Rui Yang, Hong Wang
2021 IEEE Access  
fatigue, (3) tested the effects of altitude and task complexity on mental workload, and (4) evaluated the airport safety risks under ergonomic factors.  ...  The simulation results show that under the low task complexity, the operation risk is low over three airport elevations (with the human error rate < 10 −3 ), whereas under the high task complexity, the  ...  Based on Tables XV and XVI, the study computed the combined risks or, in other words, the severity exceedance in the risk cube, as in Table XVIII . V. DISCUSSION A.  ... 
doi:10.1109/access.2021.3091528 fatcat:5hts4f473racrl2ad2arq5irre

Visualisation of the Digital Twin data in manufacturing by using Augmented Reality

Zexuan Zhu, Chao Liu, Xun Xu
2019 Procedia CIRP  
Indeed, most of the known methods aim to analyze a product or one product family on the physical level.  ...  An industrial case study on two product families of steering columns of thyssenkrupp Presta France is then carried out to give a first industrial evaluation of the proposed approach.  ...  Based on the prediction of health status, failures, fatigue, etc. from the previous stage, the proactive maintenance and repair can be realised to avoid unnecessary sudden downtime in the future.  ... 
doi:10.1016/j.procir.2019.03.223 fatcat:q3jj2vclafhsbddirzj5ey36ba

Virtual and Augmented Reality Technologies for Product Realization

S.C-Y. Lu, M. Shpitalni, Rajit Gadh
1999 CIRP annals  
Both product development engineers and virtual reality researchers should find this paper valuable to guide their efforts in developing a common road map for joint explorations.  ...  ease in the future.  ...  The authors would like to thank the following colleagues who made significant contributions to the development and review of this paper:  ... 
doi:10.1016/s0007-8506(07)63229-6 fatcat:wnlknmj2fzghpjrpurnnodtxh4

Muscle-Based Control for Character Animation

A.L. Cruz Ruiz, C. Pontonnier, N. Pronost, G. Dumont
2016 Computer graphics forum (Print)  
We present an organized review of over a decade of research in muscle-based control for character animation, its fundamental concepts and future directions for development.  ...  the reader with an overview of the field.  ...  The novelty with respect to their original implementation is that once muscle forces were computed (based on a muscle fatigue minimization), an evaluation took place to determine if these forces respected  ... 
doi:10.1111/cgf.12863 fatcat:pic43e7cd5hybdxwpoalbqcjre

An Immersive Virtual Reality Training Game for Power Substations Evaluated in Terms of Usability and Engagement

Iván F. Mondragón Bernal, Natalia E. Lozano-Ramírez, Julian M. Puerto Cortés, Sergio Valdivia, Rodrigo Muñoz, Juan Aragón, Rodolfo García, Giovanni Hernández
2022 Applied Sciences  
Safety-focused training is essential for the operation and maintenance concentrated on the reliability of critical infrastructures, such as power grids.  ...  The virtual reality (VR) simulator used building information modelling (BIM) from a 115 kV substation to develop a scenario with high technical detail suitable for professional training.  ...  Similarly, the work of [47] shows a process of creating a video game based on BIM modelling and interaction with a simulation of fire and smoke engines for fire evacuation training in structures, evaluating  ... 
doi:10.3390/app12020711 fatcat:5hyxto5vafhnlascgh2dyped7i

High Resolution Viewscape Modeling Evaluated Through Immersive Virtual Environments

Payam Tabrizian, Anna Petrasova, Perver K. Baran, Jelena Vukomanovic, Helena Mitasova, Ross K. Meentemeyer
2020 ISPRS International Journal of Geo-Information  
In this study, we develop and evaluate an integrative approach to measuring and modeling fine-scale viewscape characteristics of a mixed-use urban environment, a city park.  ...  We assessed the realism of our viewscape models by comparing metrics of viewscape composition and configuration to human subject evaluations of IVEs across multiple landscape settings.  ...  An additional contribution of this work includes a novel method for model assessment through IVE technology.  ... 
doi:10.3390/ijgi9070445 fatcat:exglz6tcfneobjfb6scuds5x6e

Review of Aeronautical Fatigue Investigations in Poland (2013-2014)

Antoni Niepokólczycki, Andrzej Leski, Krzysztof Dragan
2016 Fatigue of Aircraft Structures  
This review was presented on the 34 Conference of the International Committee on Aeronautical Fatigue and Structural Integrity, Helsinki, Finland, June 1-2, 2015.  ...  It contains description of main works and investigations in fatigue of aircraft structures performed in Poland during the years 2013 and 2014.  ...  The two main criteria in the maintenance approach of the MiG-29 are analogical to those used in the maintenance of helicopter MRBs and are based on HSL and CSL.  ... 
doi:10.1515/fas-2016-0001 fatcat:n4czwikqyjg5dbwcufo62zcsd4

Maintenance in Aeronautics in an Industry 4.0 Context: The Role of Augmented Reality and Additive Manufacturing

Alessandro Ceruti, Pier Marzocca, Alfredo Liverani, Cees Bil
2019 Journal of Computational Design and Engineering  
The intention is to demonstrate that Augmented Reality and Additive Manufacturing are viable tools in aviation maintenance, and while a strong effort is necessary to develop an appropriate regulatory framework  ...  The paper broadly addresses how Industry 4.0 program drivers will impact maintenance in aviation.  ...  Andrea Pasquali and ZARE Company, Italy for helping in the assessment of the machining costs of the bracket used as a case study in this paper.  ... 
doi:10.1016/j.jcde.2019.02.001 fatcat:73r5hhd5ozaajc6qukxx7mwtka

A testbed for characterizing dynamic response of virtual environment spatial sensors

Bernard D. Adelstein, Eric R. Johnston, Stephen R. Ellis
1992 Proceedings of the 5th annual ACM symposium on User interface software and technology - UIST '92  
Annotations: This paper describes a testbed for measuring the latency of spatial sensors, but unlike Liang et al. [UIST'91 paper] it does not suggest specific filtering methods.  ...  ., The Design of a Nine-String Six-Degree-of-Freedom Force-Feedback Joystick for Telemanipulation.  ...  in virtual environments: evaluating an architectural application.Proceedings of VRAIS'93. 1993.  ... 
doi:10.1145/142621.142624 dblp:conf/uist/AdelsteinJE92 fatcat:z25bzqb7yvfj3pgh44brl5onlu

Research directions in virtual environments

1992 Computer graphics  
The two-day schedule alternated between sessions of the entire group and sessions in the following specialty areas, around which the recommendations came to be organized: 1) Perception , 2) Human-Machine  ...  At the request of NSF's Interactive Systems Program, a two-day invitational workshop was held March 23-24, 1992 at UNC Chapel Hill to identify and recommend future research directions in the area of "virtual  ...  Acknowledgements The workshop from which this report proceeded was funded by National Science Foundation Contract Number IRI-9213777 (Interactive Systems Program, Dr. John Hestenes, Director).  ... 
doi:10.1145/142413.142416 fatcat:m4f2dn3bdnanvlel2th6bsjxjm

A Survey of Some Virtual Reality Tools and Resources [chapter]

Moses Okechukwu, Ignatius Ezeani, Obikwelu Raphael
2012 Virtual Reality and Environments  
There are a quite handful of companies and institutions that specialize in providing VR applications for manufacturing, education, simulation, design evaluation (virtual prototyping), architectural walk-through  ...  largest library of military and associated 3D models for use in simulations and training.  ... 
doi:10.5772/39062 fatcat:jjdwzz4ozjekjijdya6k5cxe6y
« Previous Showing results 1 — 15 out of 708 results