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Using Simulation-Generated Operating Characteristics Curves for Manufacturing Improvement [chapter]

Jan Olhager, Fredrik Persson
Lean Business Systems and Beyond  
This paper describes how to manage such an approach by using a simulation model of a manufacturing plant to derive operating characteristic curves.  ...  A thorough understanding of the operating characteristics is required for successful improvement of manufacturing operations.  ...  Generating Operating Characteristic Curves Operating characteristics curves can be generated through simulation results or from data collected in a manufacturing system.  ... 
doi:10.1007/978-0-387-77249-3_20 dblp:conf/ifip5-7/OlhagerP06 fatcat:2b3blbewhfgt3crbz4m2kmzgaq

Technical Measures to Mitigate Load Fluctuation for Large-Scale Customers to Improve Power System Energy Efficiency

Yongsik Lee, Hyunchul Lee, Jaehyeon Gim, Inyong Seo, Guenjoon Lee
2020 Energies  
We developed an automatic generation control program to simulate the power system's frequency characteristics.  ...  We propose a load frequency control method that is applied on the customer end instead of the power supply end to reduce the operating reserve required to improve the energy efficiency of the power system  ...  This is caused by the instantaneous operation of many different facilities used for arc furnace, rolling, etc. This load curve shows a similar pattern in winter and summer.  ... 
doi:10.3390/en13184812 fatcat:y2rdlxtkczecvl7l362qsdbt3a

Study on Modelling Standardization of Double-fed Wind Turbine and Its Application

Xiang Li, Yongning Chi, Haiyan Tang, Linjun Wei, T. Deaconescu, A. Deaconescu
2016 MATEC Web of Conferences  
Moreover, it is applicable for wind turbines produced by different manufacturers through model parameter adjustment.  ...  The complexity of the model can meet both needs of grid-connected characteristic simulation of wind turbine and large scale power system simulation.  ...  , by using simulation study.  ... 
doi:10.1051/matecconf/20167009009 fatcat:xvrow6ks2zeptpol6qigemfqeu

On the corrupting influence of variability in semiconductor manufacturing

Alexander K. Schoemig
1999 Proceedings of the 31st conference on Winter simulation Simulation---a bridge to the future - WSC '99  
This paper describes two simulation experiments using a model of a real medium sized multi-product semiconductor chip fabrication facility.  ...  The immediate conclusion out of the results is that reducing the inherent variability of a manufacturing system improves the overall system performance.  ...  Each run of the simulation model for this study was for a time period corresponding to three years of fab operation for generating the operating curves and five years to sample cycle time distribution  ... 
doi:10.1145/324138.324532 fatcat:ypgquyonpzhf3hvqk6cmpferce

Improved simple simulation models for semiconductor wafer factories

Oliver Rose
2007 2007 Winter Simulation Conference  
Characteristics of wafer fabs No alternative to simulation as a decision support tool!Model improvement approachMake delays load dependent! But how to measure load?  ...  Practical relevance of schedules (robustness, stability) Motivation for simple models • Traditionally, only full detail models used for operational planning and control of semiconductor fabs •  ...  useful!!!)  ... 
doi:10.1109/wsc.2007.4419793 dblp:conf/wsc/Rose07 fatcat:ypllseh5erg6pbcdgcjo36u4ju

Improved Optimization of the Nominal Functioning of a New Global High Voltage Power Supply N=2 Magnetrons for Microwaves Generator

Belhaiba Abderrahim, N. Elghazal, M. Chraygane, M. Ferfra, B. Bahani, M.Ould Ahmedou
2012 International Journal of Electrical and Computer Engineering (IJECE)  
This work deals with the energetic validation of a new optimized high voltage power supply for micro-waves generators with N=2 magnetrons that are used as an energy source in industrial applications.  ...  This model has been tested with the help of the simulation software Matlab-Simulink close to nominal operation. The theorical results compared to the experimental measures are in good conformity.  ...  Network of obtained curves Using the network of curves (Figure9) leads to draw an infinity of selected solution, that respond of the norm imposed by the manufacturer.  ... 
doi:10.11591/ijece.v2i5.1588 fatcat:gt2faloqwrendfavtczb5s7v6i

Characteristic Curve Prediction of a Commercial Centrifugal Pump Operating as a Turbine Through Numerical Simulations

Diego Penagos Vásquez, Jonathan Graciano Uribe, Sebastián Vélez García, Jorge Sierra del Rio
2021 Journal of Advanced Research in Fluid Mechanics and Thermal Sciences  
Initially, the characteristic curve in pump mode is validated through numerical simulations.  ...  Finally, the site operating conditions for electricity generation are obtained.  ...  (SeCADD-ProM) and the system department of the Metropolitan Technological Institute (ITM), for allowing the use of the computer equipment and licenses of the Ansys® software to perform the simulations  ... 
doi:10.37934/arfmts.83.1.153169 fatcat:fuylyhzfp5f3fp7366uaqw5jye

Numerical Simulation on End Suction Centrifugal Pump Running in Inverse Flow for Microhydro Applications

Mohd Azlan Ismail, Al Khalid Othman, Hushairi Zen
2015 Applied Mechanics and Materials  
The simulation results are compared with pump performance curve supplied by the pump manufacturer. The verification results show good agreement for flow rates between 0.7 and 1.3 QBEP.  ...  It is believed that the findings of this study will be useful to predict hydraulic characteristics and performance curves of PAT and the model may be used to identify poor flow characteristics inside the  ...  For pump mode, the performance curve obtained from simulations was compared with the performance curve given by the pump manufacturer. The pump and turbine performance curve are shown in Fig. 2 .  ... 
doi:10.4028/ fatcat:ca5gaokw3va5bahthmhngjqb3i

Virtual Machining and the Manufacturing Model [chapter]

Jeff Werner, Al Larkin, Mark Benedetti
1999 IFIP Advances in Information and Communication Technology  
This model provides manufacturing engineers with a tool to speed and improve the entire NC manufacturing process. 1.  ...  Computer software is used to accurately simulate the material removal process of an NC tool path, creating a solid model which accurately represents the "as-machined" part.  ...  OTHER USES FOR THE MANUFACTURING MODEL Using VERI CUT to create the manufacturing model and improve feed rates also enables the manufacturer to provide other software applications detailed information  ... 
doi:10.1007/978-0-387-35392-0_8 fatcat:p2tvzeh3drbgbjshr22kw5fqce

Improved circuit model of photovoltaic cell for energy harvesting application

Rahma Aloulou, P-O. lucas de Peslouan, J. Armand, Hassene Mnif, Frederic Alicalapa, Mourad Loulou, J. D. Lan Sun Luk
2014 MELECON 2014 - 2014 17th IEEE Mediterranean Electrotechnical Conference  
This model is developed using the standard simulation software LTspice to explore the effect of electrical and physical parameters on Current-Voltage (I-V) and Power-Voltage (P-V) characteristics of photovoltaic  ...  The developed model serves to specify the optimal conditions for operating the PV cell and define the maximum power point (MPP).  ...  Generated I-V and P-V curves As we can see from figure5, each curve has point of maximum that is the optimum operating point. The cell must work at these points for an efficient use.  ... 
doi:10.1109/melcon.2014.6820594 fatcat:o7kpvxvxrva5raczxp4jnc6mgi

Additively Manufactured Parts Made of a Polymer Material Used for the Experimental Verification of a Component of a High-Speed Machine with an Optimised Geometry—Preliminary Research

Artur Andrearczyk, Bartlomiej Konieczny, Jerzy Sokołowski
2020 Polymers  
In the field of additive manufacturing, numerical models still need to be improved, especially with the experimental data.  ...  The paper presents the operational characteristics of a compressor wheel, measured during experimental research.  ...  For these operating parameters, the operation of the machine is still stable. In this graph, there are more points where the simulation curves intersect the experimental curves.  ... 
doi:10.3390/polym13010137 pmid:33396352 fatcat:s3kwahwv7jebfly76wvcusdxya

Obtaining the characteristics curves of a photocell by different methods

J.A. Ramos Hernanz, J.J. Campayo, E. Zulueta, O. Barambones, P. Eguía, I. Zamora
2013 The Renewable Energies and Power Quality Journal (RE&PQJ)  
This paper shows the results of the implementation of various methods of simulation of a photovoltaic cell, the representation of their IV and PV characteristic curves.  ...  The study of photovoltaic systems, in an effective way, requires a precise knowledge of the IV and PV characteristic curves of those photovoltaic elements.  ...  Characteristic curves provided by the manufacturer In this case the graphics provided by the manufacturer are at constant temperature and for different values of irradiance (1000 W/m 2 , 900 W/m 2 , 800  ... 
doi:10.24084/repqj11.455 fatcat:5vbjjfropbfnhme74yipnpz5ju

Crashworthiness of Aluminium Tubes; Part 2: Improvement of Hydroforming Operation to Increase Absorption Energy

Guillaume D'Amours, Ahmed Rahem, Robert Mayer, Bruce Williams, Michael Worswick
2007 AIP Conference Proceedings  
Crash experiments on hydroformed tubes were performed using a deceleration sled test at the General Motors Technical Center.  ...  The effects of the manufacturing processes on the crash performance of automotive structural components must be better understood to ensure improved crashworthiness.  ...  The authors would like to express their gratitude to General Motors, the Aluminium Technology Centre and the University of Waterloo for their involvement in this project.  ... 
doi:10.1063/1.2740907 fatcat:5la3tcu24nd2bikylokxfvfkiu

A Study on PCS Characteristics Using Modeling of Solar Cell

Moon-Taek Cho, Hyun-Sook Lee
2020 International Journal of Computing and Digital Systems  
In addition, the operation of the DC-DC buck-boost converter and the MPPT control system was modeled and simulated for complete operation of the PV system.  ...  In this paper, we modeled the devices used in PV system for easy analysis. The modeled library was used to simulate the effects of solar cell temperature and spatial radiation.  ...  Therefore, the simulation using the PSPICE library proposed in this paper can be used for new system development and performance evaluation as well as to improve the reliability.  ... 
doi:10.12785/ijcds/090313 fatcat:hjnci7h6jng6hc27qegqsc2iie

Generating operating curves in complex systems using machine learning

Birkan Can, Cathal Heavey, Kamil Erkan Kabak
2014 Proceedings of the Winter Simulation Conference 2014  
This paper proposes using data analytic tools to generate operating curves in complex systems.  ...  Simulation of a real system from semiconductor manufacturing is used to demonstrate the proposed approach.  ...  curve and the operating curve (black curve) from the simulation model.  ... 
doi:10.1109/wsc.2014.7020084 dblp:conf/wsc/CanHK14 fatcat:qebpxumsvnfztbacspmcg3lvde
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