Proceedings of the 2018 International Conference on Mathematics, Modelling, Simulation and Algorithms (MMSA 2018)

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111 articles

Arrival and Departure Flights Sequencing Optimization Based on Flight Classification Model

Xiong Li, Xiaoqing Chen, Dongbin Li, Dongxuan Wei
Delicacy flight classification and calculation of delay cost is very important for improving airport operation efficiency and reducing airline operation cost, when it is applied to manage the sequence of take-off and landing flights. The four different factors were considered, and the transitive closure...

The Study of the Influence of Port Scale on Tugboat Configuration Based on System Simulation

Wenyuan Wang, Tianqi Zheng, Yun Peng
In the case of satisfactory waterway condition, the scale of the port area affects the tonnage and size of the vessels operated in the port directly, which leads to a higher demand on the tugboat configuration in the port. In this article, a simulation model of the operation system of ships entering...

Rigid-flexible Coupling Simulation for a Three-chamber Hydraulic Cylinder of a Rocket Launcher

Tong Xu, Lijun Cao
The elevation-balancing machine is used to give the elevation angle of the landing parts of the rocket launcher, and the three-chamber hydraulic cylinder is the power device in the system. In order to obtain the dynamic characteristics of cylinder reasonably and scientifically, considering the flexible...

Research on the Algorithm for Solving the Indoor Vision Positioning Model of Mobile Robot

Guangbing Zhou, Baosheng Shen, Jie Yan
In the analysis of the features and properties of camera based on the data, constructs the projection model and error model positioning calculation model, expanded beam method traditional adjustment model is only for image observations are optimized, constructed model with two or three dimensional positioning...

Research on Visualization of Three-Dimensional Vectorization of Flow Field

Yulu Pan, Shenhua Yang, Yongfeng Suo, Guoquan Chen
In order to support the comprehensive analysis of virtual simulation and scientific visualization of navigation environment in marine simulator, this paper carried out the visualization analysis of three-dimensional vector field data of flow field according to the space-time characteristics of river...

Design and Simulation Analysis of an Energy-Saving Type of Overrunning Clutch Life Testing Device

Lihua Zhong, Shiyou Zhang, Chao Xie, Jin Yao
A new type of energy-saving life testing device used for overrunning clutch, with simple structure, symmetrical layout and low energy consumption, is proposed to simplify the testing system and solve the problems of complexity, bulkiness and high cost, which exist in the traditional comprehensive testing...

Constructive CAD Variants of Toroidal LPG Fuel Tanks Used in Automotive Industry

Ştefan Ţălu, Mihai Ţălu
This study addresses to CAD modeling of toroidal LPG fuel tanks used in automotive industry, whom section is described by imposed algebraic plane curves. The CAD modeling of toroidal LPG fuel tanks can help to better understand the dynamic movement of fuel within the tank during vehicle maneuvering.

Research on Simulation Playback System of Vehicle Trajectory

Shuang Shi, Yanmei Wang, Fei Peng, Daqi Zhang
In order to facilitate learning, increase reliability, we take advantage of the video playback system in the subjects second and third of driving exam. Vehicle trajectory can be replayed with small amount of data transferred or stored up. The system is composed of four parts: the Beidou navigation system,...

Modeling and Simulation of an Improved Impact Force Model for Mechanical System

Xupeng Wang, Xiaomin Ji, Lu Wang, Dingjun Wang, Bimeng Han
Impact is universal phenomenon in mechanical system with clearance. In order to accurately describe the effect of impact between journal and bearing in clearance joint, an improved contact force model is presented in this work, which assumes the coefficient of restitution during impact is varied, and...

Bifurcation Analysis of a Time- and Space-Discrete Predator-Prey Model with Holling II Function Response

Tianjiao Zhang, Yan Meng, Yongan Ye
In this paper, a space- and time-discrete predator-prey model with Holling type II function response is investigated. The mortality of predator is variable, which is related to the population density. The model is given by a coupled map lattice framework, it takes a nonlinear relationship between predator-prey...

Periodic Solution for A Stochastic Non-autonomous Predator-prey Model with Crowley-Martin Function Response

Hongliang Chen, Xiaoping Li
In this paper, we investigate a stochastic non-autonomous Crowley-Martin predator-prey model. For the model, we first prove the existence and uniqueness of the global positive solution. For the periodic model, we prove that the existence of a positive periodic solution by using Khasminskii’s method and...

Research on Support Vector Machines Method Modeling for Rice Potassium Nutrition Diagnosis

Qiong Zhou, Hongyun Yang, Jun Yang, Yuting Sun, Aizhen Sun, Wenji Yang
A machine learning method was used to establish a diagnostic model of potassium nutrition for rice obtained from image processing techniques. In this study, super hybrid rice "Liangyoupeijiu" was used as experimental object to set up four kinds of rice cultivation experiments at different potassium fertilization...

Establishment and Analysis of Face Recognition Model Based on Least Square Method

Fan Yang, Xuewen Tan
Face recognition technology is studied to realize the reconstructed image after many years. The principal component analysis of local facial feature extraction using MATLAB images, two value curve, corrosion and boundary contour extraction, vertical and horizontal projection contour extraction after...

Development of the Simulation & Experiment System for Martian Atmosphere Simulation Environment Box

Lei Zhang, Gaotong Liu, Wei Leng
Study on the characteristics of the Martian atmosphere, selecting the appropriate calculation method, combined with FLUENT fluid finite element calculation software, a simulation of the multiple steady internal flow field of environment box in the Mars atmospheric environment conditions were analyzed....

Two-Stage Optimization Model for Smart House Daily Scheduling Considering User Perceived Benefits

Changhong Deng, Sijie Zhang, Wei Yang, Weiwei Yao, Jin Tan, Zhengyi Liu
Smart house scheduling is the grid terminal demand response based on the reference signal, the electricity market price. In this paper, the user consumption perceived benefits and the system running cost were considered. In the intelligent house system with energy storage device, the load control model...

Study on Simulation Experiment of the Force of Floating Dock during Off-loading Based on ANSYS

Guan Guan, Xiaole Yang, Qu Yang, Changwei Peng
In order to know the structure stress and deformation of floating dock during off-loading, the study on simulation experiment of the force of floating dock during off-loading based on ANSYS is carried out. The simulation experiment with ANSYS can be used to research the distribution of the structure...

A Computational Modeling Account of Preference Reversal in Multi-attribute Decision Making

Feng Gao
In multi-attribute decision making, attribute conflict and indetermination preference of the decision maker often give rise to preference reversal, which is a marked discrepancy between the preferences derived from choice and from matching judgments, thus violating traditional decision theories. To account...

Noise Model Analysis of MEMS Gyroscope Circuit Control System

Yuxian Liu, Ting Chen, Chunhua He
The detection signal of MEMS resonant gyroscope is very weak, and it is sensitively affected by the mechanical structure and the noise of the detection circuit. Noise is an important parameter which affecting gyroscope resolution, angle random walk coefficient and zero partial stability. In this paper,...

Modeling and Evaluation for Effectiveness of Remote Sensing Satellite Based on ADC Model

Xinlin De, Jian Jiao, Yipeng Zhu
With the development of space technology, remote sensing satellite is playing an increasingly important role in many fields. An effectiveness model of remote sensing satellite was proposed based on ADC model to provide a scientific basis for the design, development and actual use of remote sensing satellite....

Trademark Value Evaluation Based on Language Operator - Fuzzy Real Option Simulation Pricing Model

Peimin Ren, Shuran Zhao, Miao Zhang
This study applies language operators, trapezoidal fuzzy number, and real option to construct the trademark value evaluation model. Because of the uncertainty of future revenue and investment of the trademark utilization, compared with the traditional method, the Parameter estimation will complies with...

Overall Circuit Design and Simulation of UHVDC Current Transformer Calibration Current Source

Hao Pan, Ke Wang, Xuejiao Chen, Fangrong Zhou
In order to study the modular, easy-to-assemble DC calibration current source for DC current transformer. In this paper, the technical indicators and design requirements are analyzed theoretically. Based on the structural design of various technical solutions and the applicable power range, the theoretical...

Research on Automotive Outside Airbag System Based on Pyroelectric Infrared Detector

Yanhui Fan, Lingyun Xiao, Wenhao Hu, Haiyun Sun, Rui Cheng
A new automotive outside airbag system based on operating characteristics of pyroelectric infrared detector is designed. Then, the working principle of airbag system is analyzed, and its effectiveness is verified by PC-CRASH simulation software. The new automotive outside airbag system can make it possible...

A Queueing Analysis of a Security-Check System with Two Types of Inspection Channels

Chia-Hung Wang
This paper studies a security-check system at the high-speed railway stations with two types of inspection channels, including Normal channels and Green channels. Here, general passengers go through the strict inspections in the Normal channels with unlimited waiting space, whereas special passengers...

Analysis on Contact Stress of Disk Insulator

Xinyu Li, Yongzhi Zhang, Zhuo Li
Disc insulator is one of the most widely used basic components of transmission and distribution system. It is necessary to carry out the stress analysis of its structure. In this paper, ANSYS finite element software is used to simplify the insulator model into an axisymmetric model. The contact stress...

Research on Wide-band Vibration energy Harvester Based on Piezoelectric Effect

Jiansheng Cui, Hongcheng Yin, Sikun Heng, Yunfeng Qiu, Nengpeng Wang, Yuansheng Chen
Vibration energy is a kind of energy form which is ubiquitous in living environment. By using the piezoelectric principle of piezoelectric ceramics, it can design a kind of vibration energy recovery device which can effectively transform the vibration energy in the environment. Because the fluctuation...

Simulation Study on Dynamic Characteristic of Marine Elevator

Ji’ai Xue, Weiping Ouyang, Yannan Du, Huiqing Ouyang
Marine passenger elevator is as a new type of special equipment, which has been extensively used in all kinds of marine and marine engineering development equipment. The accelerations between the simulation and test of each working conditions is different, but the trend of change is basically consistent....

Performance Analysis and Comparison of three Kinds of Electrode Structure for Micro-atomizer

Honghua Liao, Binbin Zhou, Man Liu, Yi Lv, Hailing Yuan
In order to develop the flat-plate micro-atomizer, the flat-plate micro-atomizer based on Ansys software was simulated. In this paper, the primary research work is to discuss three types of electrode configurations. It includes plate-plate, multineedle-plate and screen mesh. They have effect on the characteristic...

Approximating Method and Experimental Determinating Coefficients for an Electric-magnetic Drive System Model

Yan Zhang, Xiangyu Cheng, Wenge Chen
We’ve developed a newer method to calculate the repulsive force between current-carrying coil and nearby metal plate. But it feels the final solution formula is complex. There are some unknown coefficients have not measured and an integral in the formula seems difficult to deal with. In the paper, we...

Human Motion Modeling from Complementary Skeleton Joints of Multiple Kinects

Ningping Sun, Shunsuke Murakami
Human motion modeling with the proposed algorithm of complementary skeleton joints can help us to solve the problem of visual blind spot when the motion are captured by Kinects. The shooting model can be remodeled and reconstructed with the recombination and complementation of the skeleton joints by...

Evaluation of Zhoushan Maritime Search and Rescue Capability Based on Fuzzy Comprehensive Evaluation

Liang Liu, Zhiliang Li, Hu Liu
So as to quantitatively analyze the Zhoushan maritime search and rescue(SAR) capabilities, evaluation model was set up by the theory of fuzzy comprehensive evaluation, combination with analyze of the process of maritime SAR and summarization of the factors influencing the SAR capabilities. The results...

Study on Wind-Induced Fatigue of UHV Transmission Tower-Line Coupled System in Hilly Terrain Wind Field

Chuntao Zhang, Junjie Wang
Given the characteristics of hilly terrain wind field is radically distinct from flat terrain wind field due to the interference of hills, the existing calculation methods of flat terrain wind field cannot be adopted directly to conduct a study on the wind-induced response of ultra-high voltage (UHV)...

Effect of Corrosion-Fatigue Coupled Damage on Mechanical Properties of Q345 Angle Steel

Junjie Wang, Chuntao Zhang, Ruheng Wang
Atmospheric environmental corrosion and wind-induced fatigue achieve a long-term synergistic effect, mutual coupling and promotion with each other. Under this circumstance, the speed of structural performance degradation accelerates and the ability of the structure to resist accidental loading decreases....

The Influence of the Distance between the Strike Location and the Drain on 90nm Dual-Well Bulk CMOS

Qiqi Wen, Wanting Zhou
Based on the 3D TACD simulation, by building and simulating 90nm dual-well CMOS device under heavy ion radiation with different distance between strike position and the drain, researching the influence to NMOS, PMOS, SRAM threshold LET and the critical charge. For NMOS, with the increase of the distance,...

Evaluation Method of Communication Network Based on Reliability Index

Mingjun Zhao, Limin Cui, Mengyao Wang
The communication network is becoming more sophisticated. To effectively evaluate the reliability of the communication network was a difficult task in the research of smart grid. In this paper, we propose an index model consisting of three indexes responding to communication network reliability. We can...

Precast Concrete SMART Factory

Andrey Ostroukh, Nataliya Surkova
The article proposes the concept of a Precast Concrete SMART Factory for the concrete block production. Automated Process Control System includes a set of technological equipment, information, and software for control the objects of the production line of concrete block and tile. The system is scalable...

Optimization Control Based on Improved Traffic Signal Genetic Algorithm

Daming Li
To the optimization control problem of traffic signal timing of single intersection, an optimization method based on the Clustering Genetic Algorithm(CGA) was put forward. In a cycle, we take the total number of queue vehicles of corresponding release lane at the end of each phase as the performance...

Tourism Route Plan Algorithm Based on Sight Spot Buffer Motive Iteration

Xiao Zhou, Kuiliang Gao, Yingcai Lun, Jiang Zhu, Zhenning Yang, Qi Tong
Currently, tourism plan cannot fully consider tourists’ individual interests. And routes planned cannot meet tourists’ best motive benefits. As to the problems, this paper brings forward tourism route plan algorithm basing on sight spot buffer motive iteration. Firstly, sight spot buffer model is set...

Pattern Recognition Algorithm Based on Closeness Degree of Triangle Fuzzy Number

Yu-e Bao, Erdun Bai
In this paper, for determining recognition target class problem in inaccurate or imprecise environments, we designed triangular fuzzy number pattern recognition algorithm based on closeness degree. Firstly, the attribute values of each standard test set and the sample set are converted into triangular...

Study on Mechanical Concurrent Fault Diagnosis Method Based on PSO-MRLSSVM

Hongtao Wang, Lin Ye, Chun Yan, Hao Pan
In view of those characteristics such as nonlinearity and high dimensional features for mechanical concurrent faults and any conventional classifier being not able to fit multi-output needs, a concurrent fault classification method based on PSO-MRLSSVM was put forward, where the simple and fast searching...

Flow Field Optimization of SCR Reactor in Cement Plant

Zixiong Cao, Jian Li
In this paper the optimization for the flow field of a preliminary design of SCR device was studied of a cement plant production line with Fluent, which mainly aims to solve the problem of uneven distribution of velocity field by designing the gate leafs’ and rectifiers’ layout. To solve the problem...

Prediction of Temperature Fields induced by Natural Convention in a Cylindrical Enclosure using Fuzzy LS-SVM

Shiyu Zhou, Zhengbin Cao, Guangyue Du, Xiaoping Liu, Yucheng Zhou
Support Vector Machines (SVM) is a machine learning algorithm basing on the statistical learning theory. In this study, SVM is used for the prediction of temperature field induced by natural convection in a cylindrical enclosure. Because of the large amount of computing and poor real-time characteristics...

Solving the Problem of Multi-objective Flexible Job Shop Based on Hybrid Genetic Algorithm and Particle Swarm Optimization

Xiabao Huang
A teaching-learning-based hybrid genetic-particle swarm optimization algorithm is proposed for multi-objective flexible job shop scheduling problem. It includes three modules: genetic algorithm (GA), bi-memory learning (BL) and particle swarm optimization (PSO). Firstly, in the BL module, a learning...

Research on Hot Words Mining Algorithm of University Network Public Sentiment

Liang Hu, Hongmei Yu
Hot words are the topic of concern of the netizens, which can help the management department to monitor the public opinion of the network. Due to the large degree of freedom, irregular syntax and immediacy of data, it is difficult for data engine to grasp text hotspots accurately through traditional...

Research on Logistics Route Algorithm for Police Equipment Depot

Liang Hu, Aichun Ding
Distribution is a link which is directly connected with the consumer in the logistics activities. The distribution cost accounts for a fairly high proportion in the logistics cost of the enterprise. Whether the distribution line arrangement is reasonable or not has great influence on the distribution...

Replica Selection Algorithm for Streaming Media

Ge Yang, Zhipeng Liu
Replica selection algorithm for streaming media in Cloud-P2P (C2P2RSA2) is proposed in this paper. In replica selection model based on ant colony, a replica select metrics (replica node network bandwidth, network delay, etc.) is mapped by ant colony pheromone. The replica pheromone probability formula...

Key Algorithm of 3D Streaming Storage in Cloud

Ge Yang, Yang Ding
According to the cloud-p2p storage system model, cloud environment 3D streaming media storage algorithm is proposed. It includes 3DVSCP (3D video storage based on cloud-p2p algorithm) and UDCP (user on demand based on the cloud-p2p algorithm).3DVSCP algorithm to add video to reduce the load of the server,...

Minimizing the Maximum Flow Time for Flexible Job Shop Problem with Parallel Machines Considering Release Time

Xi Xiang, Changchun Liu, Lixin Miao
This paper studies a flexible job shop problem with parallel machines considering release time. The objective aims to minimize the maximum flow time. A property which can reduce the dimension of solution space is proposed. A branch-and-bound algorithm is proposed to solve the problem. Through numerical...

Research on Fault Prediction Model and Algorithm of Communication System Based on HMM

Xiaotao Xu, Yichen Song, Yonghong Gao
The hidden model is a typical state prediction model, which has been widely used in the field of industrial production state monitoring in recent years. This paper analyzes the basic principle of HMM, puts forward three basic algorithms for fault prediction of communication system, analyzes the structural...

Collaborative Filtering Recommendation Algorithm for User Interest and Relationship Based on Score Matrix

Kejia Xue, Junyi Wang
An improved collaborative filtering recommendation algorithm is proposed to solve the problem of sparse and low recommendation accuracy of traditional collaborative filtering recommendation algorithm. User preferences and user trust relationships are used to calculate the user's preferences for the project,...

An Automated Hydraulic Optimization Approach for RCP Impeller Using MOGA

Xide Lai, Daoxing Ye, Xiang Zhang, Qiuqin Gou, Xiaoming Chen
This paper presents an automated hydraulic optimization approach for impeller of a reactor coolant pump (RCP) combining a blade geometric modeller and parametric generator with automatic CFD solution procedure and multi-objective genetic algorithm. The approach depends on the cooperation between a genetic...