Filters








4,577 Hits in 6.0 sec

Uncertainty assessment for measurement and simulation in selective laser melting: a case study of an aerospace part

Giulio D'Emilia, Antoniomaria Di Ilio, Antonella Gaspari, Emanuela Natale, Antonios G. Stamopoulos
2020 ACTA IMEKO  
Based on the experimental validation, the simulation seems to predict the absolute displacement of the supports of the piece in a satisfactory way, while it is unable, in the actual configuration, to assess  ...  The study is based on a hybrid approach including a simulation of the whole manufacturing process by advanced software packages and the dimensional measurements of the realised pieces taken by a coordinate  ...  (To), TAV Vacuum Furnaces S.p.A (Caravaggio, BG) and Additive Works GmbH (Bremen) for their support of the present work.  ... 
doi:10.21014/acta_imeko.v9i4.720 fatcat:5wyqeuspl5cq3ddcxklgknckhq

A Metamodel-based representation method for reusable simulation model

Yonglin Lei, Lili Song, Weiping Wang, Caiyun Jiang
2007 2007 Winter Simulation Conference  
With this in mind this paper presents a metamodel based method to represent reusable simulation model, and the design considerations of metamodelbased representation specification is also discussed.  ...  The composition and reuse of simulation model is currently a hot research topic in the area of complex system modeling and simulation.  ...  The development of a CMM-based modeling and simulation environment of REM is our main work of next step. Figure 1 : 1 Model representation in simulation.  ... 
doi:10.1109/wsc.2007.4419681 dblp:conf/wsc/LeiSWJ07 fatcat:gus22jajovgtjmiregzigkesmi

Development of a novel virtual coordinate measuring machine

Yang Hu, Qingping Yang, Peng Wei
2009 2009 IEEE Intrumentation and Measurement Technology Conference  
The aim of this study is to develop such a VCMM that not only supports measurement process simulation, but also performs uncertainty evaluation.  ...  An interface is also provided to communicate with CMM controller, allowing the measuring programs generated and simulated in the VCMM to be executed or tested on the physical CMM afterwards.  ...  The first kind of VCMM is the simulation of the actual measurement process and in particular, the path planning of a physical CMM.  ... 
doi:10.1109/imtc.2009.5168449 fatcat:gmashqjnxzgwjnoo6buox3oykm

Prabaharan Manoharan

PRABAHARAN MANOHARAN
2018 Zenodo  
13 years of total Experience in the field of Mechanical Engineering.  ...  to QR/QC principles and recommended strategies to improve processes. ➢ Responded to Facility Service Work Orders.  ...  ➢ Prepared backup CMM accessories probes, extensions and all phases of CMM hardware.  ... 
doi:10.5281/zenodo.1185058 fatcat:mzcav3qqivbknd2xl22o4sd2n4

Development of information technology for heat losses management of construction structures

Andriy Yerokhin, Heorgiy Zatserklyanyi
2019 Tehnologìčnij Audit ta Rezervi Virobnictva  
So, in general terms, the model of processes for assessing heat and mass transfer in an energy efficiency management system is presented as a set of supporting functional processes and relationships that  ...  of heating and cooling systems; -type of lighting system; -the number of people in the room at which the heat and mass transfer process was simulated; -integral characteristics of heat and mass transfer  ... 
doi:10.15587/2312-8372.2020.198265 fatcat:bpaz3evzfrf7tid376r5hm3g4u

An Interdomain MIH-FDMM Dynamic Anchoring Supports CVBR QoS in Mobile Internetworking

R. Tamijetchelvy, G. Sivaradje
2016 International Journal of Future Generation Communication and Networking  
Existing centralized approach lacks support its suitability in terms of dynamic mobility, scalability, reliability, seamless connectivity, etc.  ...  The performance analysis of MIH-FDMM is compared with existing centralized mobility management (CMM) scheme in terms of handover delay, throughput, packet loss, etc. for real time traffic classes (constant  ...  In the first, [1] analyzes the limitations of the existing CMM approach in terms of scalability, path optimization, mobility support, etc.  ... 
doi:10.14257/ijfgcn.2016.9.3.20 fatcat:ndqtnmi4j5hiffp4xj4yvexyky

Sustainability Enhancement of a Turbine Vane Manufacturing Cell through Digital Simulation-Based Design

Alessandra Caggiano, Adelaide Marzano, Roberto Teti
2016 Energies  
Moreover, the simulation-based ergonomic assessment of human operator postures allows 25% improvement of the workcell ergonomic index.  ...  Alternative scenarios are proposed and simulated, obtaining a significant improvement in terms of energy efficiency (−87%) for the new deburring cell, and a reduction of energy consumption around −69%  ...  of Naples Federico II, and the School of Mechanical and Aerospace Engineering, Queen's University Belfast, are gratefully acknowledged for their contribution and support to this research activity.  ... 
doi:10.3390/en9100790 fatcat:knbufn2wyrbezggodqg2yana3i

Measuring process consistency: implications for reducing software defects

M.S. Krishnan, M.I. Kellner
1999 IEEE Transactions on Software Engineering  
The results of this analysis indicate that consistent adoption of practices specified in the CMM is associated with a lower number of defects.  ...  Even a relatively modest improvement in the consistency of implementing these practices is associated with a significant reduction in field defects.  ...  Partial financial support for this study was provided through the University of Michigan Business School faculty grant, a fellowship from our research site, and support from the Department of Defense via  ... 
doi:10.1109/32.824401 fatcat:lofd6tmd2jhatodkj3lb5vh3vm

New developments in coordinate measuring machines for manufacturing industries

S. Hammad Mian, A. Al-Ahmari
2014 International Journal of Metrology and Quality Engineering  
Though, current CMMs can meet needs of rapid and increased demands of customers to a greater extent but still there is lot of scope for improvement and development in CMMs.  ...  There have been substantial improvements in measurement systems in order to meet fluctuating market demands.  ...  Authors want to thank Advanced Manufacturing Institute (AMI), King Saud University for their support.  ... 
doi:10.1051/ijmqe/2014001 fatcat:atboziabtzdular4eyq35uhvpq

An ultrabroad terahertz bandpass filter based on multiple-resonance excitation of a composite metamaterial

Yi-Ju Chiang, Chan-Shan Yang, Yu-Hang Yang, Ci-Ling Pan, Ta-Jen Yen
2011 Applied Physics Letters  
Articles you may be interested in Metamaterial composite bandpass filter with an ultra-broadband rejection bandwidth of up to 240 terahertz Appl. Phys. Lett.  ...  Lett. 102, 011129 (2013); 10.1063/1.4774300 Dual-band terahertz metamaterials based on nested split ring resonators  ...  The authors would like to acknowledge the financial support from the National Science Council  ... 
doi:10.1063/1.3660273 fatcat:qtfukvulvzhpvjsroom6a4kqte

A Proposed Model for Simulation Validation Process Maturity

S. Y. Harmon, Simone M. Youngblood, David C. Gross
2005 The Journal of Defence Modeling and Simulation: Applications, Methodology, Technology  
Like the CMM, this derivation depends upon the assertion that the primary measure for improving any • • • • information process, such as simulation validation, is improvement in the quality of the information  ...  Figure 1 . 1 Levels of validation process maturity and the processes needed to improve maturity Volume 2, Number 4 JDMS 187 Table 1 . 1 Proposed tiers of simulation validation Tier of Validation Supporting  ... 
doi:10.1177/154851290500200402 fatcat:xqgcp2wtvbb4blc2kyogoahvoe

Deriving Software Acquisition Process from Maturity Models—An Experience Report

Hussain Alfaraj, Shaowen Qin
2010 Journal of Software Engineering and Applications  
It also identified the next steps in identification of the theoretical best practice framework, which will involve translation of the model to YAWL Petri nets and simulation of the process in order to  ...  business process models from a real organisation in order to identify gaps and optimizations within the organisation's realization of the best practices model.  ...  The SA-CMM model, which is shown in Table 1 , is based on a five-layer model in which each level delimitates a different level of maturity.  ... 
doi:10.4236/jsea.2010.33034 fatcat:didzxlhaavdctoehrxrbmqfxwy

Reliability Augmentation through Technological Applications in Indian Aircraft Maintenance Training sector

C.S. Karunakaran , Et. al.
2021 Turkish Journal of Computer and Mathematics Education  
The existing level of Indian AMT training in comparison to international standards are discussed to spot the areas with scope of improvement and the weak link in existing process.  ...  An overview of Indian MRO s' skill requirements and the immediate necessity to improve the standards in maintenance human factors and technology based training is elaborated.  ...  FIG 2 : Maintenance Business Process It must be applied when a CMMS is purchased in such a way that it becomes an integral part of the maintenance organization.  ... 
doi:10.17762/turcomat.v12i11.6151 fatcat:dwre3ngxnnb4xcb65p2tvfkdcm

Defining a Requirements Process Improvement Model

Sarah Beecham, Tracy Hall, Austen Rainer
2005 Software quality journal  
Both software organisations and the academic community are aware that the requirements phase of software development is in need of further support.  ...  Although all organisations in our study were involved in software process improvement (SPI), they all showed a lack of control over many requirement engineering activities.  ...  We are also grateful to Pete Sawyer for his support in the project.  ... 
doi:10.1007/s11219-005-1752-9 fatcat:4pb4wazsobadfoz7f675gkckd4

Design, Implementation, and Testing of Advanced Virtual Coordinate-Measuring Machines

Yang Hu, Qingping Yang, Xizhi Sun
2012 IEEE Transactions on Instrumentation and Measurement  
Her current research interests include the design and analysis of precision machine tools and the simulation of precision machining processes. She has published more than ten papers in these fields.  ...  Advanced virtual coordinate-measuring machines (CMMs) (AVCMMs) have recently been developed at Brunel University, which provide vivid graphical representation and powerful simulation of CMM operations,  ...  The first kind is to simulate and represent the actual measurement process and, in particular, the path planning of a physical CMM.  ... 
doi:10.1109/tim.2011.2175828 fatcat:43lnfxf6drhijlc2ocyr4dxx5i
« Previous Showing results 1 — 15 out of 4,577 results