Suggested Topics within your search.
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1821
Simplified Modeling and Simulation of Electricity Production from a Dish/Stirling System
Published 2020-01-01“…In this paper, we present a theoretical study of the performances of the Dish/Stirling system with the purpose of producing electricity, based on a mathematical model taking into account each of the subparts of the system (concentrator, solar cavity receiver, and Stirling engine). …”
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1822
Smart-blacklisting:an efficient methodology for mitigating fake block attack in P2P file-sharing systems
Published 2013-08-01“…Fake block attack intends to prolong the downloading time by providing fake data to make the file block fail in the hash check.P2P file-sharing systems are susceptible to fake block attacks,whereby malicious clients are able to make a big impact on users’ downloading experience.An efficient methodology named Smart-blacklisting,which aims to lessen the downloading time and bandwidth wastes interfered by the attack was proposed through using a mathematic model,and the efficiency of this method was analyzed during a simulation experiment.The ovel approach presents 87% downloading time and 50% bandwidth wastes compare less than those of eMule blacklisting method.…”
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1823
A structured model for the spread of Mycobacterium marinum: Foundations for a numerical approximation scheme
Published 2014-02-01“…We develop a finite difference scheme to approximate the solution of a novel size-structured mathematical model of the transmission dynamics of Mycobacterium marinum (Mm) in an aquatic environment. …”
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1824
Modeling and Experimental Analysis of Grinding Surface Roughness of Face Gear
Published 2016-01-01“…The mathematical model of face gear grinding disc wheel is established according to the gear tooth surface formation mechanism analysis of surface roughness and morphology analysis of the disc wheel surface. …”
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1825
Theoretical Vibration Analysis on 600 Wh Energy Storage Flywheel Rotor—Active Magnetic Bearing System
Published 2013-01-01“…Combined with 600 Wh energy storage flywheel rotor system mathematical model, the Campbell diagram of the rotor system was obtained by the calculation of the whirl frequency under different parameters of the controller in MATLAB to analyze the effect of the controller parameter on the whirl frequency and to limit the operating speed and acceleration or deceleration of the rotor. …”
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1826
Third-Order Approximate Solution of Chemical Reaction-Diffusion Brusselator System Using Optimal Homotopy Asymptotic Method
Published 2017-01-01“…The objective of this paper is to investigate the effectiveness and performance of optimal homotopy asymptotic method in solving a system of nonlinear partial differential equations. Since mathematical modeling of certain chemical reaction-diffusion experiments leads to Brusselator equations, it is worth demanding a new technique to solve such a system. …”
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1827
THE MAMMALIAN CIRCADIAN CLOCK: GENE REGULATORY NETWORK AND THEIR COMPUTER ANALYSIS
Published 2015-01-01“…This structural model, which includes the central component and functional subsystems that interact with the central component, can provide grounds for the construction of a mathematical model of the dynamics of the gene network regulating the circadian rhythm.…”
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1828
Hybrid discrete-continuous model of invasive bladder cancer
Published 2013-03-01“…This type of cancer starts in theurothelium and progresses towards surroundingmuscles and tissues, causing metastatic disease.Our mathematical model of invasive BC consists of two coupledsub-models: (i) living cycle of the urothelial cells (normal and mutated) simulatedusing discrete technique of Cellular Automata and (ii) mechanism oftumor invasion described by the system of reaction-diffusionequations. …”
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1829
OPTIMIZATION OF THE DROPPING PERCUSIVE FORCE OF THE MATERIAL IN THE ROLLER OF BALL GRINDING MILL
Published 2017-01-01“…The theoretical analyses of the ball grinding mill are very necessary for its strength designs and the estimation of its output,but there are a lot of difficulties in the mathematical modeling and theoretical analyses because of the many and complex influence factors. …”
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1830
Theoretical model of homogenized piezoelectric materials with small non-collinear periodic cracks
Published 2017-10-01“…Contrary to the previous investigations, the focus of this paper is the development of a mathematical model taking the non-parallelism of cracks into account…”
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1831
A Novel Space-Time-Speed Method for Increasing the Passing Capacity with Safety Guaranteed of Railway Station
Published 2017-01-01“…A method of variable train-approaching locking section is discussed; a mathematical model for increasing station passing capacity is shown. …”
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1832
Research of the Position Forward Solution of 6-PTRT Parallel Robot
Published 2015-01-01“…The correctness of the mathematical model is verified by comparing between the experimental results and simulation results. …”
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1833
Analysis of Forces and Fatigue Life of the Sun Wheel in Shearer Planetary Reducer
Published 2015-01-01“…According to the characteristics of coal cutting drum of shearer,the stress of drum is analyzed,the mechanical model of planetary reduction gear solar wheel’ s torque,instantaneous rotational speed and tangential force are obtained.By using the MATLAB software,the simulation of the derived mathematical model in sun wheel is carried out,with the pick position angle changes,the variation images of the solar wheel’s torque,instantaneous rotational speed and tangential force are obtained.Finally,the damage value under different loads is obtained by experiment,and based on the application of the Miner’s linear cumulative damage,the life of sun wheel is analyzed,it reaches a conclusion.For further optimal design of small size,high power of shearer provide a reliable theoretical basis.…”
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1834
Vector Rayleigh Diffraction of High-Power Laser Diode Beam in Optical Communication
Published 2020-01-01“…Laser diodes (LDs) are widely used in optical wireless communication (OWC) and optical networks, and proper theoretical models are needed to precisely describe the complicated beam field of LDs. A novel mathematical model is proposed to describe the vectorial field of nonparaxial LD beams. …”
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1835
RELIABILITY BASED ROBUIST DESIGN OPTIMIZATION OF WIND TURBINE GEAR BOX BASED ON DYNAMICS
Published 2018-01-01“…In order to meet the design requirements of large wind turbine gearbox with high reliability,good dynamic characteristics and high robustness,based on the system dynamic model and considering the correlation among the failure modes,a multi-objective optimization design mathematical model is developed from the perspective of system dynamics,reliability,robustness and volume. …”
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1836
Analysis of time delay jitter of communication system on fault location of power line based on traveling wave method
Published 2018-03-01“…In order to study the time delay jitter of communication system on fault location of power line,a mathematical model of the delay jitter based on Poisson distribution was presented.The characteristic of the random delay jitter for single and multiple node cases were analyzed.Results show the delay jitter is remarkable when the communication load is high,and is insensitive when the communication load is low in the single node case.The total delay jitter is lower than the sum of the jitter in the queues on a path,and the position of the heavy load node in the path has a large influence on the total path jitter.The delay jitter with its influencing factors should be taken into account to perform optimal network design.…”
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1837
Dynamic Evolution of the Zinc-Nickel Battery Industry and Evidence from China
Published 2021-01-01“…This paper analyzes the development prospects of zinc-nickel battery industry, further investigates the industry competition in existing markets by mathematical modeling, calculates the equilibrium price and profit of the oligarch competition by using the method of Stackelberg equilibrium and Nash equilibrium, and makes a comparison between them. …”
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1838
Comparison of the photoactivities of two commercial titanium dioxide powders in the degradation of 1,4-dioxane
Published 2002-01-01“…This was found both experimentally and also by mathematical modeling of the radiation within the photoreactor zone. …”
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1839
Account of Mechanical Characteristics of Generalized Drive in Algorithm of Fast-Acting Self-Start of High-Voltage Synchronous Motors
Published 2007-04-01“…Object of the investigation is control systems of high-voltage synchronous motors which are applied at industrial enterprises with continuous technological process.A mathematical model for the run-out of generalized assembly including a motor and a mechanism has been developed. …”
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1840
Influence of wind disturbances and nonlinearities of servo drive on the contour of stabilization of the flight of height of unmanned aerial vehicle
Published 2019-08-01“…The article discusses a mathematical model of wind, taking into account its stochastic component and wind of a steady direction, presents the results of a comparative analysis of the effect of wind parameters on the total wind velocity vector acting on unmanned aerial vehicles (UAV). …”
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