Suggested Topics within your search.
Suggested Topics within your search.
- Mathematical models 3
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1521
Application of evolutionary games to modeling carcinogenesis
Published 2013-03-01“…We review a quite large volume of literature concerning mathematical modelling of processes related to carcinogenesis and the growth of cancer cell populations based on the theory of evolutionary games. …”
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1522
Biosensor response to multi-component mixtures statistical analysis and forecasting
Published 2023-09-01“…The main task is to build a mathematical model for estimation the concentration of each mixture component from the biosensor response data. …”
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1523
The task of prognostication main indicators of air company
Published 2021-11-01“…A statistical and mathematical model has been developed and allows us to make a prognosis of the main indicators of the airline’s activity. …”
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1524
Research of the Dynamic Characteristic of the Front End Accessory Drive System of Automobile Engine Considering OAP
Published 2018-01-01“…The dynamic characteristics of the front end accessory drive( FEAD) system of automobile engine can affect the noise,vibration and harshness,and the safety,comfort of automobile directly. A mathematical model of nonlinear rotational vibration of FEAD system with an overrunning alternator pulley( OAP) is established. …”
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1525
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1526
Study on Lightweight of Gearbox Shell for a Heavy Commercial Vehicle
Published 2020-04-01“…In order to achieve a heavy commercial vehicle gearbox lightweight,the gray cast iron shell is replaced by aluminum alloy shell.Firstly,the finite element model is verified by modal test.Then the dynamic loads of the five bearings of the shell are obtained by the method of multi-body dynamics,and the strain energy of the shell is obtained based on the static analysis.Then,the mathematical model of four influencing factors on the mass of plate and shell is established to determine the order of the influence of each influencing factor on the mass of plate and shell.The results show that the strength and stiffness of the lightweight shell meet the requirements.…”
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1527
SIMULATION MODELS OF HEAVY TRUCKS TRAFFIC CONTROL WITH ELECTRIC DC DRIVE
Published 2015-10-01“…Traffic management controller provides a closed classical scheme with feedback. The mathematical model of the electric DC motor with the energy dissipation in the rotor bearings. …”
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1528
Research of Arc Segment Metal Block Contact Character of Metal Belt Continuously Variable Transmission
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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1529
Lightweight Design of Formula Racing Sprocket based on Topology Optimization Method
Published 2020-05-01“…Abstract In order to obtain lightweight formula racing sprocket, the topological optimization method is introduced into the design of sprocket structure, the mathematical model of lightweight optimization design is constructed, and the geometric model of initial sprocket design is optimized by reducing the weight three times, and the sprocket with 49.59% mass reduction is obtained. …”
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1530
New chaos-particle swarm optimization algorithm
Published 2012-01-01“…The original particle swarm optimization (PSO)algorithm has the advantages of fast convergence,but with the shortcoming of premature and local convergence.To overcome this problem,a new chaos-particle swarm optimization algorithm was presented,which was different from the conventional method of replacing pre-particle.Instead,the algorithm in this paper made the motion of particles with characteristics of chaos,so as to make particles move between the state of chaos and stable,and gradually close to the optimal value.The nonlinear dynamics of the proposed Mathematical model are analyzed,and the results of the experiment show that the proposed algorithm can result in encouraging results.…”
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1531
Sensitivity Analysis of a Physiochemical Interaction Model Undergoing Changes in the Initial Condition and Duration of Experiment Time
Published 2013-07-01“…The mathematical modelling of physiochemical interactions in the framework of industrial and environmental physics usually relies on an initial value problem which is described by a single first order ordinary differential equation. …”
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1532
Torsional Vibrations at Guide-Vane Shaft of Pump–Turbine Model
Published 1997-01-01“…Experimentally determined flow velocities at the impeller exit are given. The mathematical models for theoretical torsional vibration prediction formulated using linear and nonlinear differential equations are presented. …”
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1533
Modeling Residence Time Distribution (RTD) Behavior in a Packed-Bed Electrochemical Reactor (PBER)
Published 2019-01-01“…Finally, a suitable mathematical model (Modified Dispersed Plug Flow Model (MDPFM)) was developed for validating these results under electrolyzing conditions.…”
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1534
An example from the world of tsetse flies
Published 2013-03-01“…More serious objections arise when mathematical models make no attempt to address the real world in such a way that they can be tested. …”
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1535
Research of the Parameter Comprehensive Optimization of Excavator Working Device based on the Hybrid Optimization Algorithm
Published 2016-01-01“…In order to optimize the performance of excavator in the specific region,The mathematical model of optimization design is obtained constrained by operating performance and mechanical property of the working device. …”
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1536
Application of Generalized Fractional Thermoelasticity Theory with Two Relaxation Times to an Electromagnetothermoelastic Thick Plate
Published 2016-01-01“…The fractional mathematical model of Maxwell’s equations in an electromagnetic field and the fractional generalized thermoelastic theory associated with two relaxation times are applied to a 1D problem for a thick plate. …”
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1537
On modeling problem of optimizing the environmental performance of ship power plant with reciprocating thermal engines as complex technical systems, taking into account operating c...
Published 2018-09-01“…On modeling the problem of optimizing the environmental performance of a ship power plant with reciprocating thermal engines as complex technical systems, taking into account operating costs and risk indices when operating on multi-grade fuels. A mathematical model of the problem of optimizing the environmental performance indicators of technical complex systems is presented based on the criterion of minimum total costs. …”
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1538
Educational process improvement of oil and gas complex specialists training
Published 2016-06-01“…In this article problems of thermodynamic calculation of the driving gas-turbine engines working at natural gas are considered. The mathematical model of the accounting of heatphysical parameters of products of combustion of fuel gas is created, the algorithm of thermodynamic calculation with the exact accounting of change of heatphysical parameters of a working body for any composition of fuel gas is offered. …”
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1539
Research of CNC Gear Hobbing Automatic Programming Technology
Published 2017-01-01“…In order to improve the efficiency of gearprocessing,a kind of CNC hobbing automatic programming system is presented. Firstly,the mathematical model of the hober- axial roll cut method is established.Then,the hober hardware platform of CNC gear hobbing automatic programming system is established,the several functional modules and the software page set are designed. …”
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1540
Neural Sliding Mode Adaptive PD Tracking Control of Omnidirectional Mobile Robots
Published 2023-11-01“…A proportional plus derivative (PD) adaptive tracking control strategy based on neural sliding mode is proposed for the interference of unknown factors in the mathematical model of four-wheel omnidirectional robots. …”
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