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20th International conference on modeling and Applied Simulation, MAS 2021

20th International Conference on Modeling and Applied Simula...

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20th International conference on modeling and Applied Simulation, MAS 2021

ISBN: (纸本)9788885741614

the proceedings contain 29 papers. the topics discussed include: a hybrid heuristic algorithm for solving the traveling salesman problem with time windows;analytical method to determine the test positions for validation of a two-dimensional shuttle system model;computing similarities between virtual laboratory experiments models using Petri nets;a simulation-based decision-support system for integration of human cognition into construction operation planning;approach of flexible log yard design using discrete event simulation;exploiting machine learning and industry 4.0 traceability technologies to reengineering the seasoning process of traditional Parma’s ham;a new compact training simulator for Paks Nuclear Power Plant;forecast of the optimal activation function for the stablecoins using neural network;and a multi-criteria cost-benefit analysis to optimize the oil supply networks.

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General Description of Solid Armatures in Electromagnetic Railguns

General Description of Solid Armatures in Electromagnetic Ra...

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Pulsed Power conference, International conference on High-Power Particle Beams and International Symposium on Electromagnetic Launch Technology (EAPPC/BEAMS/EML), Euro-Asian

作者： Lixue Chen Wenhao Zhang Lidong Li Shengqin Xu State Key Laboratory of Advanced Electromagneti c Technology (Huazhong University of Science and Technology) Key Laboratory of Pulsed Power Technology Ministry of Education (School of Electrical and Electronic Engineering Huazhong University of Science and Technology) Wuhan China

ISBN: (数字)9789038661353

ISBN: (纸本)9798350352733

Armature, as an important part of the electromagnetic launch system, is a current carrier which converts electric energy into kinetic energy of projectiles, and it often suffers extreme environment in the launch process. therefore, the performance of launch system is directly affected by the armature whose structure is the fundamental of the application of launch technology. Among various armature types, solid armatures are the most widely used because of some characteristics of them, like high efficiency and low mass. Based on some key functions of solid armatures, three kinds of requirements including current-carrying capacity, mechanical pressure and electromagnetic contact pressure are proposed in this paper. Besides, research progress of material and structure of the solid armature and its optimization is also introduced in this paper.

关键词： Particle beams Projectiles Solids Railguns Armature Kinetic energy Electromagnetics optimization

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Analysis, control, and optimization of aeroelastic systems: An introduction to the recent literature for the new investigator 20

Analysis, control, and optimization of aeroelastic systems: ...

引用

20th International conference on Applied Mechanics and Mechanical Engineering, AMME 2022

作者： Kasem, M.M. Aerospace Engineering Department Cairo University Giza Egypt School of Engineering and Applied Science Nile University Egypt

Aeroelasticity studies the static and dynamic interaction between structural deformation and fluid forces. As a result, the aeroelasticity is usually divided into three parts: aerodynamics, structural response, and dynamics with statics as a special case. Instabilities may occur to this interaction (feedback) that lead to structural failure and, even when no instability occurs, the interaction may lead to degradation or improvement of the system performance. there are several unstable phenomena may occur for elastic bodies such as flutter, divergence, low cycle oscillation, buffet, and control surface reversal. these unstable phenomena can be classified as dynamic or static. the present work provides a tutorial for those newly encountering aeroelasticity and a review of the recent literature from this century (after 2000). this includes mathematical modelling and its applications to airplanes, rotor blades, energy harvesting, and the control, and optimization of aeroelastic systems. Recent research advances are summarized and some suggestions for future work are made. © Published under licence by IOP Publishing Ltd.

关键词： Aeroelasticity

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Application of Untracked Particle Filter (PSO-UPF) Based on Particle Swarm optimization in Indoor Target Tracking

Application of Untracked Particle Filter (PSO-UPF) Based on ...

引用

International conference on Fuzzy systems and Knowledge Discovery (FSKD)

作者： Zhong Yu Lexiang Lin Chen Xue Lei Zhuo Jialiang Yuan School of Communication and Information Engineering Xi'an University of Posts & Telecommunications Xi'an China

ISBN: (数字)9798350356328

ISBN: (纸本)9798350356335

To address the issue of particle depletion caused by resampling in traditional particle filter algorithms, an unscented particle filter algorithm (PSO-UPF) based on particle swarm optimization is proposed to enhance the number of particles and improve estimation accuracy. the study first examines the principles and implementation process of the particle swarm optimization algorithm, then compares the similarities and differences between particle swarm optimization and particle filter algorithms, focusing on how particle swarm optimization can alleviate the particle depletion problem. the effect of each particle is improved, and the basic steps of PSO-UPF algorithm are given. Simulation results indicate that the proposed algorithm significantly improves the system's robustness, real-time performance and effectiveness of the system compared with PF, UPF and PSO-PF.

关键词： Accuracy Target tracking Filtering Heuristic algorithms Simulation Knowledge discovery Particle filters Robustness Real-time systems Particle swarm optimization

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Transmission Expansion Planning Based on Light Robust optimization Modelling Considering Microgrid Capacity Expansion 6

Transmission Expansion Planning Based on Light Robust Optimi...

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6th IEEE conference on Energy Internet and Energy system Integration, EI2 2022

作者： Ni, Weikang Li, Fan Wang, Zhen Sun, Yikai Shen, Shuyi Zhejiang University Polytechnic Institute Hangzhou China Zhejiang Electric Power Company Electric Economic Research Institute of State Grid Hangzhou China Zhejiang University School of Electrical Engineering Hangzhou China

ISBN: (纸本)9798350347159

this paper proposed a 20-year transmission expansion planning (TEP) in a hybrid power system with microgrid (MG) integration based on light robustness optimization modeling considering microgrid capacity expansion (MGCE). the proposed light robust optimization model (LRO) can coordinate the economy and robustness of the TEP problem, and alleviate the over-conservative issue compared with the standard robustness optimization model (RO). Firstly, TEP considering MGCE without uncertainty is selected as the standard method to achieve a standard planning scheme. then, the MG power uncertainty represented by some interval uncertainty set is considered and an LRO-based TEP model is constructed, in which a cost tolerance parameter is introduced to relax the total investment s to balance the TEP scheme's economy and robustness. the proposed LRO model is solved using the Matlab YALMIP/GUROBI optimization toolbox. An 18-bus test system is used to validate the feasibility and effectiveness of the proposed model. In addition, a critical solution for LRO can be determined by investigating the relationship between cost tolerance and the infeasible objective. © 2022 IEEE.

关键词： optimization

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On Simulation Inter Districts Transport Flows

On Simulation Inter Districts Transport Flows

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International Asian School-Seminar optimization Problems of Complex systems (OPCS)

作者： Kirill Tkachev Olga Sokolova Andrei Materukhin Institute of Computational Mathematics and Mathematical Geophysics SB RAS Novosibirsk Russia Moscow State University of Geodesy and Cartography Moscow Russia

ISBN: (数字)9798331517625

ISBN: (纸本)9798331517632

this paper describes the functionality of the developed simulation system "Inter-district Road Traffic". the modeling of traffic flows on a city map divided into districts has been considered. To solve the problems of traffic optimization and the placement of traffic objects, a two-stage model has been selected, including the matrices of correspondence between districts and traffic distribution along the routes of the transport network. the first block of the two-stage model has been calculated numerically using the Sinkhorn algorithm. the second block has been calculated using the universal method of similar triangles. the developed modeling tool can be used to solve traffic optimization problems in an urban environment - to find optimal traffic in the city between districts, taking into account the location of houses, the intensity of flows, the distribution of flows along routes and other additional conditions. When developing the application, the open source React library has been used to create user interfaces, and D3 (an open source JavaScript library for data visualization) has been used to visualize graphs and work with data.

关键词： Solid modeling Analytical models Roads Urban areas Data visualization Road traffic Libraries Data models Numerical models optimization

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modeling of the Transient Behavior of a Nuclear Magnetic Resonance Gyroscope 20

Modeling of the Transient Behavior of a Nuclear Magnetic Res...

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20th IEEE Sensors conference

作者： Cipolletti, Riccardo Riedrich-Moeller, Janine Fuchs, Tino Wickenbrock, Arne Budker, Dmitry Robert Bosch GmbH Corp Sect Res & Adv Engn Adv Technol & Micro Syst Renningen Germany Johannes Gutenberg Univ Mainz Helmholtz Inst GSI Helmholtzzentrum Schwerionenforsch Mainz Germany

ISBN: (纸本)9781728195018

Quantum technologies can become enabling for many future applications. In this work, we present concept, modeling and parameter optimization, for a spin-based navigation-grade gyroscope. this technology bridges the gap between high precision optical and MEMS (low cost, small package) gyroscopes. We study a numerical solution taking into account all relevant magnetic fields and back-interactions to provide a better understanding of the transient behavior of the sensor signal and allow for parameter optimization.

关键词： Inertial sensing gyroscope hot atomic vapor MEMS modeling optimization simulation control theory

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Applying Spatial Decomposition in Energy system Models

Applying Spatial Decomposition in Energy System Models

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International conference on European Electricity Market, EEM

作者： Lene Marie Grübler Felix Müsgens Chair of Energy Economics Brandenburg University of Technology Cottbus-Senftenberg 50Hertz Transmission GmbH Chair of Energy Economics Brandenburg University of Technology Cottbus-Senftenberg Cottbus Germany

ISBN: (数字)9798350381740

ISBN: (纸本)9798350381757

the European energy transition requires the expansion of renewable generators and consequently, the expansion of grid infrastructure and flexibility options. When modelling complex energy systems, the application of decomposition techniques is reasonable to keep models computationally tractable. Our paper focuses on the efficient optimization of energy systems covering large geographic areas. To accelerate the solving process, we apply a variant of Benders decomposition, which does not only apply temporal but also spatial decomposition. We show that by applying our decomposition approach, the solving time decreases up to 75% compared to the runtime of the equivalent monolithic model solved by a commercial solver and the barrier algorithm. Furthermore, we show that additionally applying spatial decomposition results in time savings compared to an only temporally decomposed approach.

关键词： Renewable energy sources Runtime Sensitivity analysis Computational modeling Scalability Energy resolution Europe

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Proceedings - 2022 OITS International conference on Information Technology, OCIT 2022

Proceedings - 2022 OITS International Conference on Informat...

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20th OITS International conference on Information Technology, OCIT 2022

ISBN: (纸本)9781665493482

the proceedings contain 111 papers. the topics discussed include: compound sentence and pronoun generation in Sanyog: an iconic communication system for people with speech and motor impairments;optimization methods for soybean crop disease classification: a comparative study;detection of lung cancer using CT-scan image - deep learning approach;grocery recommendation using improvised apriori algorithm;classification model for heart disease prediction using correlation and feature selection techniques;autoencoders learning sparse representation;analysis on speech-emotion recognition with effective feature combination;an adoptive heart disease prediction model using machine learning approach;and a comparative study of abstractiveness in summarization evaluation.

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Optimal Design of a Deployable and Reconfigurable Cable-Driven Parallel Robot

Optimal Design of a Deployable and Reconfigurable Cable-Driv...

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IEEE/ASME International conference on Mechtronic and Embedded systems and Applications, MESA

作者： Andrea Lucarini Edoardo Idà Marco Carricato Dept. of Industrial Engineering University of Bologna Bologna Italy

ISBN: (数字)9798331516239

ISBN: (纸本)9798331516246

this paper presents the optimal design of a deployable and reconfigurable cable-driven parallel robot. Cable robots offer a practical solution to large-scale manipulation tasks. they use cables instead of rigid links to control the end-effector motion. To enable rapid deployment and workspace reconfiguration, the actuation and guiding units can be integrated into the end-effector so that the latter can be easily mounted on different frames. In this case, the end-effector geometry must be optimized taking into account several potential frame configurations. To this end, this paper introduces a novel gradient-based optimization method, designed to maximize the volume and symmetry of the wrench-feasible workspace.

关键词： Geometry Parallel robots Mechatronics Embedded systems Statistical analysis optimization methods Cost function End effectors Manufacturing Load modeling

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