Showing 1,181 - 1,200 results of 3,115 for search '"mathematical model"', query time: 0.11s Refine Results
  1. 1181

    Modelling the Influence of Awareness Programs by Media on the Drinking Dynamics by Hai-Feng Huo, Qian Wang

    Published 2014-01-01
    “…We develop a nonlinear mathematical model with the effect of awareness programs on the binge drinking. …”
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    Article
  2. 1182

    Design and Research of End-effector for Naval Orange Harvesting by Li Zhipeng, Luo Yufeng, Shi Zhixin, Xie Dongfu, Li Chengwu

    Published 2020-04-01
    “…As for the problem that the efficiency of picking of naval orange is low,a kind of picking actuator with surrounding and swallowing is designed,whose structure of implement is mainly consisted of multiplex slider rocker mechanism.Firstly,structure sketch of that installation is completed by referring to the operating principle of actuator designed,and the analysis of kinematics and dynamics is carried out.Then,the mathematical model of objective function is established based on the least consuming time,the optimized size of related structure are got by utilizing the Matlab software.Finally,based on the obtained dimension,the 3D model of end-effector is achieved,kinematics simulation is carried out by applying Adams software,the rationality and feasibility of design of actuator for naval orange harvesting is verified,and the theoretical support for the practical picking experiment is provided.…”
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  3. 1183

    Analysis of Repairable Geo/G/1 Queues with Negative Customers by Doo Ho Lee, Kilhwan Kim

    Published 2014-01-01
    “…We construct the mathematical model and present the probability generating functions of the system size distribution and the FCFS sojourn time distribution. …”
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    Article
  4. 1184

    Effective MAC scheme for improving usable throughput in WLAN by FENG Hui, WANG Ting, HU Bo

    Published 2006-01-01
    “…Both problems were solved by a new MAC scheme which adjusts the minimum contention window of AP and station to optimized values derived from a mathematical model under downlink/uplink bandwidth control. …”
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    Article
  5. 1185

    Research of Arc Segment Metal Block Contact Character of Metal Belt Continuously Variable Transmission by Zhang Wu, Guo Wei, Zhang Wugang, Xing Le, Zhou Xuegang

    Published 2016-01-01
    “…Taking the contact characteristic of the arc segment metal block with metal belt type continuously variable transmission as study object,the mathematical model and finite element model are established.The results show that the numerical solution of the stress and deformation is basically the same as that of the analytical solution,but the numerical value is higher,the reason is that the contact area of the metal block is reduced. …”
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    Article
  6. 1186

    Two-parameter Envelope Calculation for the Profile of Worm Grinding Wheel and Dressing Method by Shuai Wang, Bin Li, Jianjun Yang, Laigui Lei, Jinwei Zhao, Jianxin Su

    Published 2022-07-01
    “…A mathematical model for tooth profile curve of cylinder gear with high-order modification gear surface is established. …”
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  7. 1187

    A Convolutional Neural Network for Nonrigid Structure from Motion by Yaming Wang, Xiangyang Peng, Wenqing Huang, Meiliang Wang

    Published 2022-01-01
    “…Compared with the traditional method for directly solving 3D structures, our model focuses on depth information that is lost owing to projection. This mathematical model is developed using a convolutional neural network with three modules for integration, reconstruction, and optimization, as well as two prior-free loss functions. …”
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    Article
  8. 1188

    Analysis of the Gap Clearance of Harmonic Gear Reducer by Long Wang, Bo Liu, Jiabo Zhang, Hongxing Li, Qing Wang

    Published 2019-03-01
    “…Secondly, using the theory of involute, material mechanics, stiffness and so on, the mathematical model of the gap clearance and above factors is established. …”
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    Article
  9. 1189

    Stability on coupling SIR epidemic model with vaccination by Helong Liu, Houbao Xu, Jingyuan Yu, Guangtian Zhu

    Published 2005-01-01
    “…We develop a mathematical model for the disease which can be transmitted via vector and through blood transfusion in host population. …”
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  10. 1190

    Calculation and Simulation Processing of Tooth Surface of Negative Pressure Angle Spiral Clutch by Xu Zengjun Deng Jing Jiang Chuang Nie Shaowu

    Published 2019-01-01
    “…The method of machining negative pressure angle spiral clutches with disc milling cutter and gear milling machine is studied. The mathematical model is established according to the characteristics of spiral clutches firstly, and the coordinate transformation relationship from the cutting tool system to workpiece system, the tooth surface points and mismatch quantity are calculated after selecting the appropriate initial value of the surface coordinates. …”
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    Article
  11. 1191

    Application of Particle Swarm Optimization and Ant Colony Optimization integration in the Aerator Reducer Optimization Design by Wu Dongmin, Rui Yannian, Shen Ming

    Published 2015-01-01
    “…The Ant colony algorithm has the defects of premature convergence as its parameter selection greatly dependent on the personal experience.In order to solve the problem,a PAAA algorithm to optimization design the planetary gear reducer of the aerator is presented.To meet the constraints condition of structure and strength,taking the minimum volume and the highest efficiency of the planetary gear train as objective functions,its optimization mathematics model is established.The Matlab program is wrote to solve the mathematical model by using PAAA algorithm.The research results show that planetary gear train has smaller volume and higher efficiency under assuring the design requirements.The results also verified the PAAA optimization has the advantage of effective,accurate and reliable.…”
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    Article
  12. 1192

    Terahertz Generation in an Electrically Biased Optical Fiber: A Theoretical Investigation by Montasir Qasymeh

    Published 2012-01-01
    “…A ring resonator is utilized to boost the optical intensities in the biased optical fiber. A mathematical model is developed which is supported by a numerical analysis and simulations. …”
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  13. 1193

    Immune algorithm-based base station location optimization in the TD-SCDMA network by Ying-jie ZHANG, Ci-ping MAO, Yun-xiao ZU, Xian-you SUN

    Published 2014-05-01
    “…According to the defects of the existing 3G base station location optimization algorithms and the characteris-tics of the TD-SCDMA network, an optimization program was proposed for TD-SCDMA network base station location based on immune algorithm. A mathematical model of base station location was established. …”
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    Article
  14. 1194

    Design and Simulation of Globoidal Cam Indexing Mechanism for Rotary Concave Die of Cold Heading Machine by Liu Yangxu, Luo Shanming, Chang Xuefeng

    Published 2015-01-01
    “…The mathematical model of the globoidal cam indexing mechanism applied to the rotary concave die of cold heading machine is established. …”
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    Article
  15. 1195

    Bifurcating Solutions to the Monodomain Model Equipped with FitzHugh-Nagumo Kinetics by Robert Artebrant

    Published 2009-01-01
    “…This reaction-diffusion system plays an important role in the field of electrocardiology as a tractable mathematical model of the electrical activity in the human heart. …”
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  16. 1196

    Analysis and Optimal Control Intervention Strategies of a Waterborne Disease Model: A Realistic Case Study by Obiora Cornelius Collins, Kevin Jan Duffy

    Published 2018-01-01
    “…A mathematical model is formulated that captures the essential dynamics of waterborne disease transmission under the assumption of a homogeneously mixed population. …”
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  17. 1197

    Electroluminescent Display with Picture Storage by Z. Porada, E. Schabowska-Osiowska

    Published 1998-01-01
    “…Such a picture storing electroluminescent display may prove competitive with used now picture storing methods in the digital form. A mathematical model suitable for analysing the properties of a PC-El system is proposed and the preparation of PC and EL thin film elements is described. …”
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    Article
  18. 1198

    Selection of Numerical Criterion Value for Determination of Short Circuit Type in Adaptive Micro-Processing Current Protection of Electric Power Lines by A. V. Kovalevsky

    Published 2007-10-01
    “…The paper considers a principle for determination of a short circuit type which is used in the mathematical model of adaptive micro-processing protection with the purpose to improve sensitivity. …”
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  19. 1199

    Research on the delay model of single intersection in the oversaturated state by Fu-yang CHEN, Xiao-yue YAN, Bin JIANG

    Published 2017-12-01
    “…The oversaturated state of the intersection is mainly manifested as the queuing vehicles are not completely dissipated at the end of a green light phase.In order to cope with the traffic congestion,the mathematical model of an intersection is built.The relative regularity of arrival rate and departure rate of vehicles are analyzed.Through the analysis of the mechanism,the modeling of single-phase intersection,two-phase single intersection and four-phase single intersection are studied.The established oversaturated intersection delay model can be used to assign the green time of each intersection by calculating the minimum delay to alleviate the oversaturation condition of the city road.Numerical simulation results verify the validity and availability of the modeling method.…”
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  20. 1200

    Optimal Design for the Lifting Gearbox of Self-elevating Offshore Platform by Zhang Qing, Li Ran, Zhang Xiaojie, Zhao Qianying, Qin Xianrong, Sun Yuantao

    Published 2015-01-01
    “…The lifting gearbox which is used on self-elevating offshore platform is selected as optimized object,its features and workings are introduced,and its reliability and mass are selected as optimization objectives,and the mathematical model is established for the optimization.A kind of coordinate its reliability and economy is proposed.By giving different values to the weighing factors to obtain different optimal solutions and fit a curve of them,the reliability and economy of the gearbox can be determined and coordinated.It is verified to be an effective method to acquire a higher cost-performance ratio of the gearbox,which may provide guidance for other similar engineering problems.…”
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