scholarly journals Mathematical simulation analysis of optimal testing of shot puter's throwing path

2021 ◽  
Vol 0 (0) ◽  
Author(s):  
Wenbing Zhu ◽  
Hafnida Hasan
Keyword(s):  
Mathematical Simulation ◽  
Simulation Analysis ◽  
Optimal Path ◽  
Quantitative Relationship ◽  
Mathematical Principle ◽  
Scientific Model ◽  
Mathematical Relationship ◽  
Fitting Method ◽  
Shot Put ◽  
The Ideal

Abstract Objective To study the mathematical simulation analysis of shot-putter throwing optimal path. Methods Shot put was simplified as a parabolic motion of a particle, the corresponding mathematical model was established, and the mathematical relationship between the throwing distance and the initial velocity of shot put, the shooting Angle and the shooting height was defined. Results The fitting formula between shooting speed and shooting Angle was obtained by using the fitting method, and the quantitative relationship between them and the ideal shooting Angle was identified. Conclusion The mathematical principle of shot put is revealed through the process of building a model from simple to complex. However, there are still many problems to be solved, among which the height problem is a complex one. At the present level, it is not possible to find a reasonable height, because it involves many factors. However, the development of grey mathematics will provide a beneficial attempt for it to establish a reasonable and scientific model.

scholarly journals Grid based Energy-Efficient Cross-Layer Optimization Model in WSN Using Dual Mobile Sinks

2021 ◽  
Author(s):  
Vimala D ◽  
Manikandan K
Keyword(s):  
Network Lifetime ◽  
Optimization Model ◽  
Energy Efficient ◽  
Simulation Analysis ◽  
Optimal Path ◽  
Maximum Energy ◽  
Base Station ◽  
Cross Layer ◽  
Cross Layer Optimization ◽  
Grid Based

Abstract In recent days, wireless sensor network (WSN) gained more attention among researchers as well as industries. It is composed with massive number of sensors which are independently organized cooperate with one another for collecting, processing and transmitting data to the base station (BS) or sink. Since sensors undergo random deployment in harsh environment, it is difficult or not even possible to replace the batteries. So, energy efficient clustering and routing techniques are preferable to reduce the dissipation of energy and improve the network lifetime. This paper introduces a new Grid based Energy-Efficient Cross-Layer Optimization Model in WSN Using Dual Mobile Sink (GEECLO). The proposed method involves three main processes namely grid partitioning, clustering and routing. Initially, the entire network is partitioned into different zones and then sub zones. Then, type II FL process gets executed to select the CHs and construct the clusters. Finally, dolphin swarm optimization algorithm (DSOA) based routing process takes place to select the optimal path for inter-cluster communication. A detailed simulation analysis takes place to ensure the betterment of the GEECLO algorithm. The obtained experimentation outcome depicted that the GEECLO model offers maximum energy efficiency and network lifetime.

scholarly journals A Quantum Ant Colony Multi-Objective Routing Algorithm in WSN and Its Application in a Manufacturing Environment

Sensors ◽  
2019 ◽  
Vol 19 (15) ◽  
pp. 3334 ◽  
Author(s):  
Fei Li ◽  
Min Liu ◽  
Gaowei Xu
Keyword(s):  
Simulation Analysis ◽  
Fitness Function ◽  
Routing Algorithm ◽  
Optimal Path ◽  
Ant Colony ◽  
Local Optimum ◽  
Manufacturing Environment ◽  
Multi Objective ◽  
Search Path ◽  
Manufacturing Environments

In many complex manufacturing environments, the running equipment must be monitored by Wireless Sensor Networks (WSNs), which not only requires WSNs to have long service lifetimes, but also to achieve rapid and high-quality transmission of equipment monitoring data to monitoring centers. Traditional routing algorithms in WSNs, such as Basic Ant-Based Routing (BABR) only require the single shortest path, and the BABR algorithm converges slowly, easily falling into a local optimum and leading to premature stagnation of the algorithm. A new WSN routing algorithm, named the Quantum Ant Colony Multi-Objective Routing (QACMOR) can be used for monitoring in such manufacturing environments by introducing quantum computation and a multi-objective fitness function into the routing research algorithm. Concretely, quantum bits are used to represent the node pheromone, and quantum gates are rotated to update the pheromone of the search path. The factors of energy consumption, transmission delay, and network load-balancing degree of the nodes in the search path act as fitness functions to determine the optimal path. Here, a simulation analysis and actual manufacturing environment verify the QACMOR’s improvement in performance.

Simulation Analysis of Engine-Oil inside the Clearance between Crankshaft Journal and Bearing Shells in the Ideal Stable Conditions

2014 ◽  
Vol 635-637 ◽  
pp. 532-536
Author(s):  
Pei Shu ◽  
Hong Xin Zhang ◽  
Ru Qin Xiao ◽  
Jin Zhu Shi
Keyword(s):  
Simulation Analysis ◽  
Geometric Model ◽  
Engine Oil ◽  
Flow State ◽  
Engine Operation ◽  
Stable Conditions ◽  
Crankshaft Journal ◽  
Oil Flow ◽  
3D Geometric Model ◽  
The Ideal

For the bush-burning problem in the course of the engine operation. Taking a certain kind of engine as reference, build a 3D geometric model of the engine-oil flow field in the ideal stable conditions with GAMBIT and conduct a simulation of it with FLUENT. It reveals that we can have an intuitive understanding of the flow state and pressure distribution of the engine-oil inside the clearance between the crankshaft main journal and crankshaft bearing as well as the rod journal and rod bearing which provides basis for a further refining of bearing lubrication system, improving the lubrication method and enhancing the efficiency of the lubrication.

Analysis on the Influence of Vibration Performance of Air-Gap of Ceramic Motorized Spindle

2011 ◽  
Vol 335-336 ◽  
pp. 547-551 ◽  
Author(s):  
Li Xiu Zhang ◽  
Yu Hou Wu ◽  
Li Yan Wang
Keyword(s):  
High Speed ◽  
Simulation Analysis ◽  
High Strength ◽  
Air Gap ◽  
Motorized Spindle ◽  
Effect Change ◽  
Rotating Speed ◽  
Engineering Ceramic ◽  
Vibration Performance ◽  
The Ideal

Engineering ceramic is the ideal material for high-speed and high precision motorized spindle due to perfect characteristics of light weight, wear resistance, high temperature, high strength, and so on. The air-gap is changed due to the influence from various factors not only the tolerance of the manufacture and assembly of motorized spindle but also different working condition. The change of air-gap impacts on vibration performance of motorized spindle. The effects of rotating speed and air-gap between the rotator and stator on these characteristic parameters of the motorized spindle are analyzed. This paper analyses the effect change of air-gap on vibration performance of motorized spindle by the simulation analysis and experimental. The results show that vibration increase with the decrease of air-gap. Meanwhile, electromagnetic vibration increase with the increase of eccentricity of motorized spindle. These results are very helpful to the structure optimization and application of the ceramic motorized spindle.

Research on Matlab Simulation Output of Optical Current Transformer

2014 ◽  
Vol 981 ◽  
pp. 133-136
Author(s):  
Tao Shen ◽  
Chao Hu ◽  
Qian Ru Yang ◽  
Ming Xin Song ◽  
Xin Lao Wei
Keyword(s):  
Simulation Analysis ◽  
Noise Analysis ◽  
Current Transformer ◽  
Theory Model ◽  
Matlab Simulation ◽  
Arm Processor ◽  
Quartic Curve ◽  
Function Fitting ◽  
Fitting Method ◽  
The Relationship

The theory model of the reflective optical current transformer (OCT) has been established using Jones matrix method, and the proper devices have been chose. According to the characteristics of the transformer’s output, signal processing circuits including photoelectric translating circuit, preamplifier, correlation detector, lowpass filter and ARM processor have been designed. The simulation mode was established in the Matlab environment. The simulation analysis as well as the noise analysis was carried out. Finally, the analysis of the relationship between transformer's input and output was analyzed by using function fitting method. The fitting coefficients and error were given and quadratic or quartic curve fitting was proposed.

scholarly journals Simulation Analysis of Current in Metal Sheath of Power Cable Considering Temperature Characteristics

2021 ◽  
Vol 2108 (1) ◽  
pp. 012015
Author(s):  
Jian Fang ◽  
Min Zhang ◽  
Wenxiong Mo ◽  
Bo Huang ◽  
Jiaxing He ◽  
...  
Keyword(s):  
Simulation Analysis ◽  
Equivalent Circuit Model ◽  
Circuit Model ◽  
Temperature Data ◽  
Power Cable ◽  
Temperature Characteristics ◽  
Vector Fitting ◽  
Fitting Method ◽  
Operating Current ◽  
Metal Sheath

Abstract This paper proposes a cable broadband circuit model considering the temperature characteristics. This paper establishes the equivalent circuit model of the cross-bonded power cable and proposes the broadband parameter calculation method considering the temperature. The cable parameters are calculated by the vector fitting method. Based on the operating current and cable temperature data of the cable on a certain day, the simulation analysis of the cable sheath current considering the temperature is carried out using Simulink. Finally, the simulation results show that the cable sheath current is significantly affected by temperature.

scholarly journals WSN Based on Bio-Inspired Algorithm in Cluster Head Formation

2020 ◽  
Author(s):  
Vinmathi M S ◽  
Josephine M S ◽  
Jeyabalaraja V
Keyword(s):  
Numerical Model ◽  
Cluster Head ◽  
Scientific Model ◽  
Similar Measure ◽  
Head Formation ◽  
Set Up ◽  
System Inclusion ◽  
The Ideal ◽  
Ebb And Flow

A sort of inclusion improvement technique dependent on bio-inspired algorithm was implemented so as to fathom the irrationality and low system inclusion of sensor hub in WSN at the irregular dispersion. Right off the bat, the ebb and flow investigate status of WSN inclusion was broke down, the hub inclusion and territorial inclusion in WSN on the premise were examined, the comparing scientific model was set up, the bio-enlivened calculation was taken to tackle the built up numerical model, and the WSN inclusion advancement program dependent on the bio-roused was gotten. At last, MATLAB was utilized for the recreation analyses, and the reproduction results demonstrated that the presentation of bio-motivated calculation improved the hub inclusion in WSN viably; the inclusion territory was huger at a similar measure of hubs. In addition, the calculation can get the ideal arrangement in the worldwide extension, and arrive at the better system inclusion advancement impact with less sensor hubs, and the quantity of cycles was diminished altogether.

An Improved Gaussian Fitting Method Used in Light-Trap Center Acquiring

2014 ◽  
Vol 596 ◽  
pp. 449-452
Author(s):  
Zhong Yu Xu ◽  
Hong Yan Zheng ◽  
Hong Yan Yang
Keyword(s):  
Information Acquisition ◽  
Light Trap ◽  
3D Measurement ◽  
Center Line ◽  
System A ◽  
Fitting Method ◽  
Center Position ◽  
On Line ◽  
3D Information ◽  
The Ideal

In the 3D measurement based on line-structured light projection, the accuracy of center position of the stripe is of great importance for that of the 3D information acquisition system. A method of sub-pixel center-extracted that in the level of sub-pixel were discussed by He Jun-ji. Based on it and considered the fact that light intensity of the stripes center presents a Gaussian distribution status approximately, in this paper, a new method for extracting stripe center line has been proposed. The extracting curve is closer to the ideal value, and can efficiently extracted the center-line of light stripe, and the accuracy of 3D reconstruction is improved.

Analysis the Concentrations of Toxic and Harmful Gases in Ventilation of Underground Caverns

2014 ◽  
Vol 614 ◽  
pp. 97-101
Author(s):  
Mei Wei Su ◽  
Xian Ping Xie ◽  
Jian Gong Li ◽  
Ting Jun Wang ◽  
Xing Yu Tan ◽  
...  
Keyword(s):  
Energy Efficiency ◽  
Simulation Analysis ◽  
Gas Diffusion ◽  
Ventilation Mode ◽  
Constant Amount ◽  
Toxic Gases ◽  
Time Simulation ◽  
Underground Caverns ◽  
Concentration Changes ◽  
The Ideal

For ventilation of underground cavern construction, analysis and research the state of motion of the gas in the ideal state and ventilation processes derived the formula of the concentration changes during the construction ventilation toxic and harmful gas diffusion reveals the variation of the diffusion of toxic gases, and engineering examples to verify the theoretical analysis. At the same time, simulation analysis the concentration changing curve of toxic and harmful gas, obtained the ventilation of cavern under different ventilation. The results show that ventilation mode of a constant amount has some shortages in energy efficiency.

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