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Congestion Induced by Bottlenecks in Two-Lane Optimal Velocity Traffic Flow Model [chapter]

S. Tadaki, M. Kikuchi, K. Nishinari, Y. Sugiyama, S. Yukawa
2003 Traffic and Granular Flow'01  
The model is discretized to define the coupled map traffic flow model based on optimal velocity functions (CMOV model).  ...  The optimal velocity (OV) model is one of car-following traffic flow models, which can reproduce some of observed features.  ...  The essential idea the OV model introduced is the optimal velocity function V optimal .  ... 
doi:10.1007/978-3-662-10583-2_19 fatcat:xxksgalf7rbilp3xhhjre4owwu

OPTIMAL ELECTRIC WAVE PROPAGATION PARAMETERS ON A TRANSMISSION LINE --- SCHOTTKY DIODE SYSTEM

Tristan Dubois, Jérémy Raoult, Sylvie Jarrix, Amable Blain, Adrien Doridant
2011 Progress In Electromagnetics Research Letters  
Investigations are undertaken by studying the transmitted power versus frequency, power and place of injection of a continuous sine high frequency aggression signal.  ...  This paper explores the optimal conditions for wave propagation on a microstrip line loaded by a Schottky diode.  ...  The impact of the aggression on the diode is investigated as a function of its frequency, power and place of injection.  ... 
doi:10.2528/pierl11091515 fatcat:2dmbilsb7beexonaaw257x4f5i

COMPARISON OF SELECTED MATERIALS INTENDED FOR THE MANUFACTURE OF PLASTIC HOLDER FOR REVERSE PARKING SENSOR WITH THE USE OF COMPUTER SIMULATION TOOLS

Petr Baron, TUKE, Faculty of Manufacturing Technologies, Presov, Slovakia, Petr Kascak
2019 MM Science Journal  
its mechanical properties and, last but not least, the quality and success of the injection molding process.  ...  Application of computer simulation has verified the knowledge that decisive influence on mechanical and physical properties of the final part is in the selection of a suitable type of applied material  ...  ACKNOWLEDGMENTS The authors thank the Ministry of Education of Slovak Republic for supporting this research by the grant KEGA 001TUKE-4/2018 (Implementation of concurrent engineering philosophy to educational  ... 
doi:10.17973/mmsj.2019_12_2019017 fatcat:tw6fv6wpjjekbo7r5utdjjugvq

A Sufficient Condition on Convex Relaxation of AC Optimal Power Flow in Distribution Networks

Shaojun Huang, Qiuwei Wu, Jianhui Wang, Haoran Zhao
2016 IEEE Transactions on Power Systems  
The optimizer took 1.56 seconds to finish the optimization. The third simulation was done with the IEEE 123 node test feeder [24] .  ...  The optimal planning considers only the cost of EV charging; therefore, the cost function 0 f is zero in this application.  ...  , , The objective function is to minimize the total charging cost for the EVs. The EV charging related constraints (33)-(36) are all linear.  ... 
doi:10.1109/tpwrs.2016.2574805 fatcat:2clquzvedjblxb33uolmngs3ni

2008 International conference on numerical simulation of optoelectronic devices NUSOD '08

2008 2008 International Conference on Numerical Simulation of Optoelectronic Devices (NUSOD)  
Thermal simulation is helpful to design metallic contacts while the energy band diagram is obtained by electrical simulation to design the buried tunnel junction useful for carrier injection.  ...  The design of an electrically pumped InGaAs quantum well based vertical cavity surface emitting laser (VCSEL) on InP substrate is presented.  ...  Simulation (full line) is in good agreement with experiment (squares and circles). Electrical VCSEL thermal resistance as a function of InP thickness.  ... 
doi:10.1109/nusod.2008.4668208 fatcat:jcb2ax3hr5gnths6a63arf6n6y

Subdominant modes and optimization trends of DIII-D reverse magnetic shear configurations

J. Varela, D.A. Spong, M. Murakami, L. Garcia, E. D'Azevedo, M.A. Van Zeeland, S. Munaretto
2019 Nuclear Fusion  
The simulations indicate the destabilization of Beta induced AE, Toroidal AE, Elliptical AE and Reverse Shear AE at different phases of the discharges.  ...  The simulations show at the beginning of the discharge, before the reverse shear region is formed, a plasma that is AE unstable and marginally MHD stable.  ...  Department of Energy, Oce of Science, Oce of Fusion Energy Sciences, using the DIII-D National Fusion Facility, a DOE Oce of Science user facility, under Award No. DE-FC02-04ER54698.  ... 
doi:10.1088/1741-4326/ab0052 fatcat:y6yyiiosqrfcnkrixw72uzpupq

Improving Computational Efficiency in LCM by Using Computational Geometry and Model Reduction Techniques

Elias Cueto, Chady Ghnatios, Francisco Chinesta, Nicolas Montes, Fernando Sanchez, Antonio Falco
2014 Key Engineering Materials  
When simulating large computing times are not compatiblewith standard optimization techniques (for example for locating optimally the injection nozzles)or with process control that in general requires  ...  the optimal locationof injection nozzles in infusion processes.  ...  But the main goal of this work is to 340 Material Forming ESAFORM 2014 determine the location of optimal placements for injection nozzles.  ... 
doi:10.4028/www.scientific.net/kem.611-612.339 fatcat:njsyccxbirey5o5lbwk5btmaju

Impact of acquisition time-window on clinical whole-body PET parametric imaging

Nicolas A. Karakatsanis, Martin A. Lodge, Michael E. Casey, Habib Zaidi, Arman Rahmim
2014 2014 IEEE Nuclear Science Symposium and Medical Imaging Conference (NSS/MIC)  
This included incremental shift of a 6-pass acquisition time-window (~35min) along an extended scan period of 0-90min post injection, using both real patient kinetic data as well as realistic 4D simulations  ...  Consequently, the choice of the optimal time-window can be critical and should constitute an important design aspect of multi-bed dynamic protocols.  ...  Kotasidis for discussions regarding the the effect of uptake reversibility often observed in dynamic PET FDG studies.  ... 
doi:10.1109/nssmic.2014.7430770 fatcat:kcg5gor5yrecvivgebi23txl5m

An optimization model for managing compressors in salt cavern gas storage

Jerzy Stopa, Rafał Mrzygłód
2013 AGH Drilling Oil Gas  
First turbocompressor injected a little less gas for the dispatcher's strategy 163,000 in relation to 170,000 SCm/hr strategy simulator. For the second turbocompressor situation is reversed.  ...  Each function to optimize the form of (3) is set in a range of flow capacity [Q 0 i , Q 1 i ] depending on the technical characteristics of the i-th compressor.  ... 
doi:10.7494/drill.2013.30.3.385 fatcat:kwixm3cadjd3pmjqa5xnqgrm4q

Quantifying natural gas storage optionality: a two-factor tree model

Cliff Parsons
2013 Journal of Energy Markets  
We find evidence of strong mean-reversion in U.S. natural gas prices and proceed to test a valuation model of natural gas storage leases based on mean-reversion's effects.  ...  data spanning 1999 to 2006, simulated trading using our model obtained average values (not including the cost of the lease) of $1.244 per million British-thermal-units over intrinsic value for fastcycle  ...  The effects of this asynchronicity, we suspect, are to cause higher mean-reversion speed estimates, forecasted trading values, and simulated trading values.  ... 
doi:10.21314/jem.2013.087 fatcat:v3cwzhxhcbad5nab3wmrjfbxjq

Data Driven In-Cylinder Pressure Diagram Based Optimization Procedure

Mina Tadros, Manuel Ventura, C. Guedes Soares
2020 Journal of Marine Science and Engineering  
An engine optimization model is developed to fit the calculated in-cylinder pressure diagram to the experimental data by finding the optimal values of the start angle of injection and the amount of injected  ...  Then, an optimization process is performed based on the fitness function that includes the objective of the study and the penalty functions to express constraints.  ...  to optimize the fuel injection rate [4] , injection pressure [5] , injection timing [6] and injection strategies [7] in order to ensure the safety and injection durability of the engine [8] and  ... 
doi:10.3390/jmse8040294 fatcat:o6lmehtrkjeuzkio4daohghpri

Comparison of the new VBIC and conventional Gummel-Poon bipolar transistor models

Xiaochong Cao, J. Mcmacken, K. Stiles, P. Layman, J.J. Liou, A. Oritz-Conde, S. Moinian
2000 IEEE Transactions on Electron Devices  
The extraction and optimization procedure coded in S+ statistical language and required for VBIC simulation is also developed and presented. Index Terms-Author, please supply index terms.  ...  This paper focuses on the comparison of the VBIC and Gummel-Poon models under the dc operations.  ...  A function "residual" compares and differentiates the simulated and experimental data.  ... 
doi:10.1109/16.822290 fatcat:q6gtu6fljjapvnb6wjzqdlqopu

An algorithm for online optimization of accelerators

Xiaobiao Huang, Jeff Corbett, James Safranek, Juhao Wu
2013 Nuclear Instruments and Methods in Physics Research Section A : Accelerators, Spectrometers, Detectors and Associated Equipment  
A general algorithm is developed for online optimization of accelerator performance,i.e., online tuning, using the performance measure as the objective function.  ...  Simulation and experimental studies have been carried out to demonstrate the strength of the new algorithm.  ...  The injection efficiency with a reversed sign is used as the objective function. All five algorithms are again applied to this problem.  ... 
doi:10.1016/j.nima.2013.05.046 fatcat:5z2myfdx7jhjtgfdlaaoxtpb2y

Modeling of Silicon Photonic Devices for Optical Interconnect Transceiver Circuit Design [chapter]

Binhao Wang
2017 Optoelectronics - Advanced Device Structures  
Optical interconnect system efficiency is dependent on the ability to optimize the transceiver circuitry for low-power and high-bandwidth operation, motivating co-simulation environments with compact optical  ...  device simulation models.  ...  Acknowledgements Parts of this chapter are reproduced from authors' recent journal publication, work, and so on [28] .  ... 
doi:10.5772/intechopen.68272 fatcat:s5imis7shbb2xhxzetq2sceswu

MAXIMUM HOSTING CAPACITY OF DISTRIBUTED GENERATION IN THREE-PHASE DISTRIBUTION SYSTEMS: AN APPROACH BASED ON AN OPTIMIZATION MODEL / MÁXIMA CAPACIDADE DE HOSPEDAGEM DE GERAÇÃO DISTRIBUÍDA EM SISTEMAS DE DISTRIBUIÇÃO TRIFÁSICOS: UMA ABORDAGEM BASEADA EM UM MODELO DE OTIMIZAÇÃO

Igor Delgado de Melo, Heitor Magno Rodrigues Junior, Mariana Escarati de Oliveira
2021 Brazilian Journal of Development  
The objective function to be maximized is the sum of the active powers injected into the system buses in which distributed generation is considered.  ...  The main contribution of this paper is the optimization model which assumes bounds for reverse power flow and unbalance factor in a systemic analysis based on the three-phase current injection method equations  ...  The objective function to be maximized is the sum of the injected active powers ( , ) by the DG units for all the buses in which they are considered, as presented in equation (1) for all the three phases  ... 
doi:10.34117/bjdv7n1-502 fatcat:w3vwoujucnhe5cubwovnce5s54
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