Proceedings of the 3rd Annual International Conference on Mechanics and Mechanical Engineering (MME 2016)

+ Advanced search
150 articles
Proceedings Article

Research on Lateral-Directional Dynamic Characteristics and Control for Large Envelope Flight of Modular Aircraft

Wen-Xin Zhang, Li-Xin Wang, Ting Yue
The linear parameter varying (LPV) system model of the lateral-directional dynamics for large envelope flight of modular aircraft including various configurations was built. The validity of the aircraft LPV model was verified by the comparison of dynamic simulation between the LPV model and the nonlinear...
Proceedings Article

The Mechanical Behaviour during Multiple Injections and its Influence on Fracture Network

Li-Feng Yang, Yu-Zhang Liu, Yun-Hong Ding, Yong-Hui Wang, Xiao-Sen Shang
Many cases show that multiple injections fracturing serves as an effective method to increase the probability of creating complex fracture network for shale gas reservoirs. However, its mechanism is unclear. This paper, therefore, intends to use numerical simulation and theoretical models to explore...
Proceedings Article

Experimental Study on Fluid Flow in Porous Media by MRI Technique

Jing-Nan Zhang, Qin-Feng Di, Feng Ye, Shuai Hua, Hui-Juan Chen, Chun-Yuan Gu
Core flood experiment is commonly used to study the fluid seepage law in porous media for enhanced oil recovery, but the characteristics of fluid flow are hard to be visually described. In this paper, an advanced visual displacement system was developed and optimized to observe the shapes of flow front...
Proceedings Article

The Simulation of Fluid Dynamics inside the Continuous Wave Mud Pulser Generator with Four-hole Rotary Valve

Qin-Feng Di, He Zhang, Ze-Zhong Jin, Feng Chen, Wen-Chang Wang, Hai-Tao Song
The continuous wave pulse generator with rotary valve is an advanced and key equipment in high-rate measurement while drilling (MWD) and logging while drilling (LWD) telemetry systems. It generates an encoded mud pressure wave signal to transmit real-time information from down-hole to surface. For the...
Proceedings Article

Research on Reliability Assessment Based on the Multi-Source Information Fusion Technology with Improved Inheritance Factor

Jing-Bo Gai, Gao-Feng Wei
In order to solve the problems of the classical system reliability assessment method in dealing with complex system with small samples, such as multilevel approximation, insufficiency and singleness of information, take the success or failure products as an example, the theory of multi-source reliability...
Proceedings Article

Aerodynamic Characteristics of Dragonfly Wing Corrugation in Hovering Flight

Chao Wang, Peng Xie, Chao-Ying Zhou, Rui Zhang
In this study, the aerodynamic characteristics of dragonfly wing corrugation in hovering flight are investigated using the computational fluid dynamics (CFD) methods. Three corrugated cross sections of the right forewing of a dragonfly (Aeshna cyanea) are considered. The effects of wing corrugation are...
Proceedings Article

The Reciprocating Rectilinear Moving Mechanism at High Frequency with Low Load Driven by Two Symmetrical Gears

Ke-Ming Shi, Ming-Di Wang, Kang-Min Zhong, Jie Chen
In many occasions of the practical engineering, the equipment of reciprocating rectilinear movement at high frequency is used commonly, which usually is completed by the slider-crank mechanism. But there is big friction force between the guide rail and the block in this mechanism, thus the big friction...
Proceedings Article

Flight Dynamic Response Analysis of the Flexible Aircraft Flying Through the Wind Field over Complex Terrains

Chu Tang, Li-Bo Wang
A numerical simulation method for the flight dynamic response of the elastic aircraft flying through the wind field over complex terrain is developed in this paper. The complex terrain model is established by the spline method based on the contour line of the map. The wind field is then simulated by...
Proceedings Article

Biomechanical Analysis of Achilles Tendon Stretch And Plantar Fascia Stretch In Plantar Fasciitis Treatment

Jie Hu, Dong-Mei Wang, Wen-Ting Yang, Qin-Yang Guo, Guang-Lin Shi
This paper aims to simulate two stretching methods adopted in plantar fasciitis treatment in MSC.ADAMS, Achilles tendon stretch and plantar fascia stretch. Clinical evidence has been accumulated that stretching is effective in relieving heel pain caused by plantar fasciitis. While plantar fascia stretching...
Proceedings Article

A Model of Strain Localization and Its Application in Prediction of Shear Bands in Sand

De-Xuan Qi, Dong-Li Chen, Wen-Jie Yan
Strain localization in sand is modelled as the event of two-phase coexistence. Shear bands pertain to the high-strain phase of materials. And other regions outside bands pertain to the low-strain phase. Inside each phase the equilibrium equations must be satisfied. Across interfaces between the two phases,...
Proceedings Article

The Effect Analysis of Geometry and Load Parameters on Contact Stiffness of Sprag One-way Clutch

Zhi-Hui Liu, Hong-Zhi Yan, Yu-Ming Cao, Yu-Qing Lai
The wedge-raceway contact mechanical model, considering centrifugal force of wedge and the eccentricity of the inner ring and the outer ring of the one-way clutch, is established based on Hertz contact theory. The normal contact stiffness of the sprag one-way clutch is calculated by Newton iterative...
Proceedings Article

Effects of Geometric Parameters on Jet Attachment of Counter-Flow Thrust Vectoring Nozzle

Xiang Wang, Zhao-Miao Liu, Hui-Long Zheng, Tan Zhang
Numerical simulation was applied to study the effects of changing geometric parameters, which were slot height G and axial length of outer collar L, on jet attachment of counter-flow thrust vectoring nozzle in zero attack angle and subsonic conditions. Combined internal flow characteristics of different...
Proceedings Article

Torsional Vibration Suppression of A Gear System Installed with A Damping Ring

Yi-Long Wang, Deng-Qing Cao, Qing-Yang Wang, Yang Yang
In this paper, the torsional vibration suppression is investigated for a gear system installed with a damping ring. The dynamic model of the gear-damping ring system is established, where the friction between the gear and the ring is described by the Stribeck model. The harmonic balance method is employed...
Proceedings Article

Fracture Behavior Investigation of the Propellant Material Using the Extended Finite Element Method

Li Zhang, Jin-Zhao Huang, Zhi Lv
When simulating crack propagation process using the finite element method, we need to create singularity grids at the crack tip. And with the increase in crack length, we need a re-division of grids. This makes the calculation very complicated. The extended finite element method (XFEM) is an effective...
Proceedings Article

The Characteristics Analysis of Gear Box Fault Vibration Signal

Xin-Tao Jiao
Gearbox is a critical component of mechanical equipment. Centralized fault and distributed fault are the two typical faults of gearbox. Both faults have their own features. In order to know them better, the characteristics in the time and frequency domain of the vibration signal were analyzed in detail....
Proceedings Article

The Analysis of Impact Damage under Emergency Landing Due to Airworthiness Requirements for Airplane Seat/Restraint System and Occupant

Xiao-Yan Dang, Jin-Feng Lv
To protect occupant under emergency landing, the seat/restraint system of airplane must be designed to has crash-resistant ability. The dynamic simulation can get the damage and impact response characteristics. The results can be helpful to modify the seat/restraint system and seat dynamic test.
Proceedings Article

Multi-Body Dynamics Simulation Analysis of Crankshaft Assembly in V-Type 12-Cylinder Large Diesel Based on Adams

Chen Ni, Lin Hua, Zhi-Kui Ma, Meng-Lei Sun
Crankshaft assembly, as one of the most important parts of the engine, always suffers many kinds of cyclic loading during service. Due to the higher requirements for dynamic property of mechanical system, it is necessary to work on multi-body dynamics simulation of crankshaft assembly quick and accurately....
Proceedings Article

Replacement of Health Monitoring System and Health Evaluation for Jinan Yellow River Cable-stayed Bridge

Ze-Ying Yang, Ting-Ting Tan, Yang-Yudong Liu, Ming-Hao Sun
In order to understand the behavior of Jinan Yellow River Bridge more accurately and evaluate the bridge health, we change the sensors of the health monitoring system so that the data collected are more detailed and comprehensive. The monitoring data are analyzed synthetically. And then, based on this,...
Proceedings Article

The Application of COMSOL Secondary Development Technology in the Fluid-solid Coupling Study of Prionace Glauca Pectoral Fins

Qing-Song Hu, Xi-Wu Liu, Wen-Ping Cheng
During the cruise process of prionace glauca, its pectoral fins play an important role in keeping balance and stability of its body. The research on the fluid-solid coupling of prionace glauca pectoral fins is of important value to optimizing the design of the AUV and other marine engineering equipment....
Proceedings Article

Study on the Adaptive Generalized Synchronization of Hetero Structure Chaotic Systems

Chamika Dias, Shu-Yong Liu, Jiang Jian, Pan Su, Xiu-Lei Wei, Qing-Chao Yang, Yuan Fang
A mathematical model of adaptive generalized chaotic synchronization(AGCS) was established to investigate the synchronization between a multi-degree freedom non-autonomous(nonlinear vibration) driving system and an autonomous chaotic (Lorenz) response system. Within the heterostructure synchronization...
Proceedings Article

Harmonic Solutions for the Reflection and Refraction of Finite-Amplitude Acoustic Waves in Two Fluids

Xiao-Mei Zheng, Xin-Wu Zeng
This paper deals with the reflection and refraction of finite-amplitude acoustic waves obliquely incidents to a plane interface between two lossless fluids. The study is based on the second-order harmonic wave equations in term of displacement potential in Lagrangian coordinate system. Variable parameter...
Proceedings Article

Wavelet 2D Modal Curvature for Identifying Non-Uniform Cracks in Plates under Noisy Conditions

Wei Xu, Mao-Sen Cao, Yu-Feng Zhang, Maciej RadzienSki
Identifying non-uniform cracks in plates is a challenging problem worthy of exploration. 2D modal curvature is often utilized to detect damage in plates, but its capability to precisely identify non-uniform cracks has not been resolved well, largely due to two noticeable deficiencies, lack of sensitivity...
Proceedings Article

Impact Dynamics of a Flexible Beam with Rotation

Yue-Chen Duan, Ting-Ting Wang, Wei-Wei Zhang
Based on the continuous contact force model, the rigid-flexible coupling impact dynamics of a radial rotating flexible beam is investigated. The transversal deformation and nonlinear coupled deformation, which means the longitudinal shortening caused by transversal deformation, is considered. According...
Proceedings Article

The Vibration Characteristics and Allowable Span Length of Free Span Submarine Pipeline

Bo Zhang, Ze-Yang Xing, Tao Wang, Zhuo Wang
This paper focuses on the free span of submarine pipelines. The vibration differential equation and dynamic characteristic equation of submarine pipelines subjected to axial force and stress analysis were established, and then got the natural frequency. In order to avoid VIV, the vortex shedding frequency...
Proceedings Article

Algorithm Research on Icing Load Detecting for the Overhead Transmission Line

Zhuo Wang, Di Lan, Tao Wang, Bo Zhang
In this paper, the icing mechanism and force of overhead transmission lines were studied. The inclined parabolic equation of overhead transmission lines was derived and on this basis, calculation methods of sag, long lines and stress had been discussed. The paper got the inclined parabolic form of the...
Proceedings Article

Probabilistic Life Prediction for Crack Initiation on Coke Drums Based on Monte Carlo Simulation

Wei-Wen Ye, Wen-Feng Wang, Zhi-Hua Ning, Ren-Huai Liu, Fan Wang
High thermal stresses developed in coke drums can lead to fatigue crack initiation and subsequently growth until premature drum failure. To predict the fatigue crack initiation lives of coke drums, a cost-efficient method was proposed using Monte Carlo simulation in this paper. Strain data on the critical...
Proceedings Article

Influence of Height Adjustment for Vossloh 300 Fasteners on Gauge Expansion and Bumping Shoulder Stress

Yu-Tao Liu, Cheng-Hui Li, Ying-Jie Zhang
In order to analyze the impact of height adjustment for Vossloh300 fasteners on the rail lateral displacement and the stress of sleeper bumping shoulder, the paper construct the mechanic model and finite element model, the rail lateral displacement and the stress of the sleeper bumping shoulder were...
Proceedings Article

An Artificial Intelligence Prediction Method of Bottomhole Flowing Pressure for Gas Wells Based on Support Vector Machine

Qin-Feng Di, Wei Chen, Jing-Nan Zhang, Wen-Chang Wang, Hui-Juan Chen
The flowing bottomhole pressure (FBHP) of gas wells was affected by many factors. Although a lot of research works have been done to predict the FBHP and at least more than ten models were proposed, but no one can effectively provide an accurate results for all ranges of production data and conditions...
Proceedings Article

Study on Spatial Mechanics Analysis Method of Excavator Attachment with Tiltrotator

Peng-Long Hou, Feng-Yi Lu, Ge-Ning Xu, Zhi-Ning Ma
Usually a tiltrotator is mounted on the excavator such that the bucket of excavator can not only move in the plane of the excavator attachment, but also deviate from the plane. However, this generated additional bending moment and torque, and what was more, the traditional design method, which is used...
Proceedings Article

Experiment on Nonlinear Response Characteristics of Photoelectric Theodolite under Servo Driven

Yao-Bin Li, Hua-Dong Yu, Qiang-Long Wang, Jun Xie, Zhen-Yu Liu
The dynamic response characteristics of the structure are affected by the nonlinear term in the theodolite structure with supporting shaft and bolt fixed connection. The harmonic term caused by nonlinear response has important influence on the measurement accuracy of optical system and the tracking stability...
Proceedings Article

Plume Flow Field Analysis of Solid Rocket Motor

Yong-Zhi Zhang, Zhuo Li
The distribution characteristics of plume field structure of solid rocket motor could great influence on overall design of rocket, design of launch vehicle, materials selection and so on. Therefore, it is necessary to study structure characteristic of plume field of solid rocket engine. In this paper,...
Proceedings Article

The Nonlinear Viscoelasticity of the Human Knee Articular Cartilage

Chao-Jie Wan, Gai-Min Li, Tong-Tong Guo
The human knee cartilage play an important role in the knee joint. Osteoarthritis (OA) are related to knee joint cartilage. So the accurate description of the cartilage constitutive is the most important work for the understanding the cartilage test phenomenon. The role of viscoelasticity of collagen...
Proceedings Article

Study on the Effect of Bell Mouth Structure to Its Outlet Flow Field Evenness

Zhi-Peng Li, Guo-Wang Zhang, Chao Lu
In this article a bell mouth junction assembled in front of the test article in practice was simulated by applying ANSYS CFX, the data of relative measurement points was picked up from the simulation result and compared with test data to validate the simulation reliability. Then, aiming to dwindle in...
Proceedings Article

Nonlinear Dynamics Analysis Based on Node Model of Contact urface

Jun Pang, Xian-Bing Wang, Jing-Quan Deng
The friction motion exists generally in the mechanical operation structure. The target of the paper is to predict and optimize the dynamic performance of the mechanical structure via the structure design. The kinetic equation of discrete-node model is established based on the theory of the characteristic...
Proceedings Article

Structure Design and Calculation Analysis on Lateral Current Collector of Hanging Air Train

Li-Chao Wang, Xiao-Jun Lv, Fang Wang, Chun-Shan Yao, Chun-Yan Di
The development of this lateral CCD is based on the technical specifications for the hanging air trains. This document describes the main technical parameters of the lateral CCD, structure design , key points, and attentions etc., makes the design calculations on the dynamic part---spring, thus deducing...
Proceedings Article

Effect of Outflow Mode on Machined Micro-dimple in the Through-mask Electrochemical Micromachining with Filled Inter-electrode Gap

Chen-Hao Zhao, Ping-Mei Ming, Wei-Hai Zhou, Xin-Min Zhang, Ge Qin, Chen-Xu Luo
To analyse the effect of outflow modes during making micro-dimples using the modified through-mask electrochemical machining with filled inter-electrode gap, some investigations were carried out numerically and experimentally. The studies showed that, the reflux discharging mode (RDM), which allows most...
Proceedings Article

Investigation of PBGA solder joint failure in reflow process

Yu Guo, Zhi-Li Sun, Ming-He Liu, Xiao-Ying Ma
In PBGA package, solder joint provides not only mechanical support, electrical conduction and thermal conduction effect, but also withstands frequent thermal, mechanical, electrical loads in the high temperature operation of the electronic device. Thus, solder joint quality is directly related to PGBA...
Proceedings Article

Design of Fatigue Life Testing Machine for Slewing Bearing Based on LabVIEW

Kang Chen, Pei-Tao Yang, Guo-Xiang Hou
Slewing bearings generally consist of the rotational connection between two substructures for combined load at very low speeds. Although there are a large number of traditional or modern techniques widely used in slewing bearing, they may not be able to meet the requirements of bearing industry precisely...
Proceedings Article

Analysis and Experiments on Strengthening the Platform Jacket by the Grouted Clamps

Zhuo Wang, Bo Zhang, Tao Wang
The grouted clamps will strengthen the offshore platform jackets which have fragile nodes and the damaged structure underwater. Theoretical analysis of buckling on the jacket was done with buckling theory under uniform axial compression and the method of finite element analysis under the condition of...
Proceedings Article

Design and Process Parameters Research of Single-Laser Stripping Platform Based on Automatic Double-Position Flipping Mechanism

Wei-Bing Liu, Gui-Lin Yang, Ming-Di Wang
It is obvious that mechanical stripping is unable to meet the requirements for the stripping of extremely thin wires. Laser stripping has been widely used for its easy integration with electromechanical equipment and high controllability. Currently most laser stripping devices have to utilize double...
Proceedings Article

Transmission Efficiency Analysis and Experiment Research of Gear Box

Jing Li, Chang-Chun Li, Jing Huang
Transmission efficiency is a key characteristic for gear box, a test system is set up for gear box's measurement. But in the test process, there may have some wrong test results by using ideal mathematic formula which is based on the law of conservation of energy. By checking the mechanical structure...
Proceedings Article

Research of Dynamic Characteristic of Belt Conveyor

Jun-Xia Li, Xiao-Xu Pang, Yu-Jin Li
Aiming at the dynamic question of the belt conveyor, based on the Kelvin-Voigt viscoelastic constitutive law the longitudinal dynamic governing equation of the viscoelastic conveyor belt was established. The generalized coordinate method was adopted to solve dynamic displacement and dynamic tension of...
Proceedings Article

Research on Functional Integration Principleand Feasible Region of Magnetic Balancing Disc &Thrust Bearing

Zhi-Ming Zhao, Xiao-Yang Yuan
An idea of controlling or restricting axial movement of the rotor system using magnetic force was proposed in this paper. A device named Magnetic Balancing Disc(MBD) was developed which could play a role better than general fluid balance disc in certain compressor. Basis principle of magnetic balancing...
Proceedings Article

Construction and Analysis on the Hybrid System Test Bench of New Energy Bus

Kun Zhou, Qiu-Lin Sun, You-Ming Tang, Gui-Bin Sun, Shui-Ting Zhou, Yi Zhang, Yuan-Wei Zhang
There is high market demand for new energy vehicles. And the driving system of new energy bus gets improved day by day. Within the performance studies on core components such as electric machinery, controller, battery and gearbox and within the vehicle system performance matching and conformity, it is...
Proceedings Article

Analysis of Stiffness and Damping Properties of Active Magnetic Bearing Using Cross Feedback Control

Peng-Cheng Pu, Jin-Peng Yu, Lei Zhao
Stiffness and damping properties of the magnetic bearings are mainly determined bythe parameters of system controller, both of which are the function of rotor frequency. In the system of magneticsuspensionflywheel (MSFW), the rotor applied has a large moment of inertia ratio, resulting in a strong gyroscopic...
Proceedings Article

Research on the Equipment of Groove Cutting in Tunnel Section

Yang Li, Yao Zhang
In this paper, the development of tunnel section cutting equipment is studied in combination with the actual production. The paper introduces the basic functions, research ideas and design of the new grooving machine. The working process of drilling and grooving work of the working mechanism and the...
Proceedings Article

Effects of Geometric Parameters on Dynamic Stability of the Annular Flow-shell System

Wen-Bo Ning, Yun Xu, Ying-Hua Liao, Zhi-Rong Li
Considering their particular geometric structures, the stator and rotor cans in canned motor reactor coolant pump are assumed to be elastic coaxial cylindrical shells in this paper. An ideal, incompressible, swirling fluid flows the annulus between the inner shell (can) and the outer shell (can). Thin...
Proceedings Article

Characteristics Analysis of the Flow Field of Self Balanced Multi-stage Centrifugal Pump

Jin-Gang Liu, Yao Yao, Quan Li, Jian-Wen Chen
The flow field characteristics of self balanced multi-stage centrifugal pump were analyzed based on FLUENT. Reynolds-averaged Navier Stokes equations and standardÿk- ÿmodel areÿadoptedÿto calculateÿthe pressure and velocity distribution of the flow field in the impeller and the guide vane under three...
Proceedings Article

Research on Influence of Different Processing Parameters on the Foam Structure of Tensile Spline

Meng-Ying Zhang, Hua-Jie Mao, Bei Li, Tie-Qiang Yuan
The paper studied the influence of processing parameters on the foam structure based on numerical simulation of tensile spline. Using CO2 and N2, single factor experiment method was employed to perform the experiments. In the study, volume filled at start of foaming, initial bubble radius, volume filled...
Proceedings Article

Suspension Model and Control of Magnetic Levitation Spherical Active Joint

Li Zeng, Fan Zhang, Zhi-Da Zhu, Jin Sun
In the work, the universal driving joint with the traditional series composite mechanical structure has the friction and wear, which make the moving parts hot, and then causes the static and dynamic performance of the joint worse. So based on the Integration of multi technology domains, such as motors,...
Proceedings Article

Contamination Analysis and Monitoring Methods of Hydraulic Fluid

Rui Zeng, Yong Zhang, Zhen-Rong Lin, Jin-Kun Sun
In recent years, with the development of construction machinery technology, the controlling requirement for its hydraulic system has become more and more strict. The bad working environments did harm for the hydraulic system, so people payed more attention on preventing hydraulic system from invalid...
Proceedings Article

4-DOF Mechanism Design for Reflectors in Vacuum

Jin-Xin Chen, Wan-Lu Xie, Xiao-Bin Wu, Yu Wang
The paper developed a new type of 4-DOF mechanism design for reflectors in vacuum, which had the ability of assembling the reflector stably and realizing 4-DOF movement (one-translation and three-rotation) of the reflector in vacuum by adjustments outside the vacuum. Then the equations of kinematic analysis...
Proceedings Article

Numerical Calculation of Wind Turbine Airfoil Based on COUPLED Algorithm and Validation of Wind Tunnel Test

Quan Wang, Zheng-Zheng Qing, Xing Hong, Jun Wang
When the -Re_ transition model is used to calculate the aerodynamic performance of the wind turbine airfoils, the SIMPLE algorithm is usually applied to solve the equation of speed and pressure for airfoil surface. Consequently the precision of the results by using SIMPLE algorithm is comparatively low....
Proceedings Article

The Optimized Design of the Key Components of Mechanical Rotary Stereo Garage Based on ANSYS

Shi-Bin Chen, Min-Dong Zhang, Na Yu, Guan-Long Sun, Wei-She Zhang
In order to guarantee structural safety of stereo garage and control its cost of construction, the key components, such as supporting frame and cylinder, were optimized by the ANSYS. Based on the static analysis of ANSYS, the results show that the maximum deformation of supporting frame is mainly distributed...
Proceedings Article

Numerical Analysis of Solid Materials Transport in a Rotary Dryer

Miao-Ling Li, Yong-Yu Yao, Hong-Xia Zhao
The throwing motion of materials in the rotary dryer is the key step to dry off. An estimation model of solid material transport was established. The motion rule about the lifted materials was studied. The numerical model was proposed according to the space motion of materials and mathematical calculation....
Proceedings Article

Design and Research of the Wire - Driven Lumbar Parallel Rehabilitation Device

Ming-De Gong, Xiang-Fei Kong
In this paper, a new type of wire-driven lumbar parallel rehabilitation device is designed based on the wire-driven parallel robot to realize the purpose of rehabilitation training the lumbar of the patient. On the basis of designing the mechanical structure, the kinematics of the device is analysed...
Proceedings Article

Data Generation of Layer Slice in FDM Manufacturing

Hong-Fu Zhou, Yuan-Xian Ou, Yang-Hua He, Qin Fan
The research presents a data generation method for layer slice in FDM additive manufacturing, which solves the intersection between surface STL file and slicing plane and gets the slicing counter surface data. In the research it designs the layer slicing algorithm and tests it in a FDM machine to fabricate...
Proceedings Article

Research on the Application of BOM in Modular Partition

Xiao-Geng Fang, Yan-Hui Chen, Guo-Jin Xie, Lin-Feng Zhang
In this paper, the criterions of module division are established, and the calculation formula of the number of modules partitioning schemes under two conditions is given, and the logic relation between modules is analyzed. On the basis of the research, a product structure attribute mapping method applied...
Proceedings Article

Analysis of Invalidation Mechanism of Shell-Cup in Rotary Feed Mechanism

Guo-Hui Wang, Peng-Fei Fan
As one of new generation equipment in China, the main task of one type infantry fighting vehicle is to complete the breakthrough in the battle accompanying the main tank. It has not only the stronger firepower but equipped with auto-loader that is able to raise the fire rate and shrink the outer shape...
Proceedings Article

The Design of Pneumatic System in High-Speed Bagging Machine

Fei Zhong, Qian-Cheng Wan, Jia-Yi Song, Kai-Long Lu
The composite packaging bag is widespreadÿused in packagingÿindustry. In the past, the production of it is mostly done by manual, so manufacturer want to use automated machinery to improve efficiency and reduce intensityÿofÿlabor. The pneumatic and vacuum system as a important part of this product need...
Proceedings Article

Tooth Number Matching and Its Software Development for 2KH Planetary Gear Mechanism

Jin-Feng Sun, Jun Wang, Yun-Duan Hong, Hong-Xiu He, Quan Wang, Jun Ren, Sheng-Lan Mao, Shu-Ting Li, Zheng-Zheng Qin, Xing Hong
2K-H planetary gear is a commonly seen gear structure, but it has proven troublesome to match its tooth numbers through hand computation. This paper introduces a calculation method for the 2K-H planetary gear and develops a software written with the use of computer software technology for matching gear...
Proceedings Article

Lightweight Design of Door Based On Multi-Objective and Robustness

Zhen Wang, Jie Gao, Hui-Xia Liu, Xiao Wang
Aiming at the problem that the study of vehicle door lightweight is mostly the single-objective optimization, and do not take unconcern factors into consideration, the vehicle door lightweight research of multi-objective optimization and robustness analysis is conducted. Firstly, the sensitivity analysis...
Proceedings Article

The Optimization for Frontal Impact Pulse of SUV Based on Thickness Matching

Wen-Tao Yuan, Yun-Qing Zhang, Hui-Xia Liu, Xiao Wang
The frontal impact waveform is of great significance for occupant protection and automobile safety. According to the structure of the front engine room of the vehicle, a SUV frontal crash waveform is simplified by the simulation. The sensitivity analysis of the waveform characteristic parameters was...
Proceedings Article

Research on the Influence of Air Pressure to High Accuracy Mass Measurement

Chang-Qing Cai, Man-Hong Hu, Jian Wang, Yue Zhang, Tao Huang, Rui-Lin Zhong, Kai Jiao
This paper analyses the influence of air pressure regarding the precise mass measuring process. The stability of air pressure to the mass determination process is discussed experimentally using the new M-one mass comparator. Due to the change of air pressure, air flow and vibration with regard to the...
Proceedings Article

Design and Study on Mechanical Properties of Aircraft Wing Lift Simulation Device

Qing-Bo Dou, Xiao-Chuan Liu, Rang-Ke Mou
Full scale aircraft drop test was an effective method to assess dynamic loads and response in indoor environment. Wing lift simulation with drop testing machine is to impose a dynamic load equaling the landing weight on the aircraft, so as to completely simulate the landing condition. The choice of loading...
Proceedings Article

Local Stability and Bifurcation Analysis of A Functionally Graded Material Plate

Xiao-Hua Zhang, Yan-Lin Han
In this paper, we investigated the local stability of a simply supported functionally graded material (FGM) rectangular plate subjected to the transversal and in-plate excitations in the uniform thermal environment both analytical and numerical approaches. Three kinds of critical points of the bifurcation...
Proceedings Article

Thermogravimetric Assessment of Combustion Characteristics of Blends of Lignite Coals with Coal Gangue

Chang-Zhong Song, Jiang-Hui Wen, Yu-Yin Li, Hong Dan, Xin-Ying Shi, Shen Xin
In this paper, the co-combustion behaviour of lignite coal with coal gangue and coal are investigated by a thermogravimetric analysis (TGA) in the temperature range from ambient temperature to 1000 . The thermal characteristics and kinetics of lignite coal, coal gangue and their blends are evaluated...
Proceedings Article

Analysis on Collapse Mechanisms and Weight-efficient of Sandwich Circular Panel

Zhi-Cheng Xia, Jian-Liang Zhang, Jing-Yang Zhou, Nai-Shu Zhu
Sandwich circular panel with foam core indented by flat-end cylindrical indenter was constructed. Collapse mechanisms and influencing factors of sandwich circular panel was determined, and the mass of sandwich circular panel was lightened through theoretical analysis. The theoretical predictions were...
Proceedings Article

A Unit Cell Structure of Smooth Surfaces with Auxetic Response

Lin Yu, Hui-Feng Tan, Teng Ma, Zhen-Gong Zhou
A unit cell structure of smooth surfaces was designed in this paper. By combining the orientations of the convex of the surfaces, four different models were presented. The mechanical properties of the models were studied by numerical analysis. The techniques of the representative volume element and the...
Proceedings Article

A Multichain Slip-Spring Model with Fluctuating Number of Entanglements Based On Single-Chain Slip-Spring Model

Teng Ma, Hui-Feng Tan, Lin Yu
We present a multichain slip-spring model with fluctuating number of entanglements for dynamics of dense polymer melts, which is based on the single chain slip-spring model by Likhtman. By introducing the exclude volume interactions, a multichain version of slip-spring model can be presented with little...
Proceedings Article

A New Approach to Prediction of Fatigue Life For 2024-T42 Aluminum Under Variable Amplitude Loading

Yu-Bo Guo, Ke-Ge Liu, Le Liu, Zhen Tao
A new approach is explored to predict the fatigue life of 2024-T42 aluminum subjected to variable amplitude loading. The predicted fatigue lives are compared with the experimental data and those predicted by Miner's rule, which show that the fatigue lives predicted by the proposed approach agree well...
Proceedings Article

Modelling and Experimental Study of Shape Memory Alloys Coil Spring Actuator

Wei Li, Hong Chen, Qi Chen, Xu Zhang
Most of shape memory alloys (SMAs) are functional intermetallic. They are now practically being used for couplings, actuators, medical guide wires etc. And are hopeful candidates for smart materials, which already exist. Several papers review the latest developments in the modelling of SMAs constitutive...
Proceedings Article

Elastic-plastic Analysis and Experimental Study on the Simply Supported Bi-modulus Graphite Beam

Wen-Juan Yao, Jin-Ling Gao, Yang Yang, Yu-Ting Zhou
Based on bi-modulus theory and experimental test, the elastic-plastic model of bending bi-modulus graphite beam is established in this paper. According to the results of material test, the graphite is demonstrated to be a bi-modulus material with the ratio of compression modulus to tension modulus being...
Proceedings Article

Experiment Study on Friction Behaviour of Ti-6Al-4V Alloy for Hot-working

Fan Li, Jia Guo, Wen-Xiang Zhang, Jun Cao, Yu-Tong Lin, Ce Zhou, Fu-Guo Li
The friction behaviour between blank and die plays an important role in the precision forging process. Hence, the friction behaviour between Ti-6Al-4V alloy and K15 is studied to analyse the friction mechanism and characterization. The significant differences and influence law of temperature, sliding...
Proceedings Article

Growth Feature of Diamond-Like Carbon Films by Various Vacuum Plasma Methods

Zhi-Feng Wang, Bing Zhou, Zhu-Bo Liu, Zhi-Yong He
Diamond-like carbon (DLC) films were prepared on silicon substrate using four different vacuum plasma methods: magnetron sputtering (MS), pulse laser ablation (PLA), ion beam deposition (IBD) and pulse cathode vacuum arc evaporation (CVAE). The microstructure, surface morphology and optical properties...
Proceedings Article

Testing Research on the Deformation Mechanism of High Manganese Steel and the Model of Surface Roughness Machined at High-Speed Cutting

Hu-Ping An, Zhi-Yuan Rui, Jun-Feng Guo
To study the deformation mechanism of high manganese steel at high-speed machining and the influence of cutting parameters on a quality of machined surface and on a tool wear, we conducted a serial of tests cutting high manganese steel with metal ceramic tool. By observing the macroscopic chip and measuring...
Proceedings Article

A Compound Parabolic Concentrator Coupled to an Optical Microlenslet Array for Projection Display

Heng Zhao, Qing Yan, Jun Wang, Deng-Xin Hua
Regarded as the fourth-generation light sources, light emitting diodes (LEDs) have recently gained much interest as projection light sources due to their long lifetimes, large color gamut and small size. In this work, we design and fabricate a compound parabolic concentrator (CPC) coupled to an optical...
Proceedings Article

Effect of Glucose on the Crystallization and Thermal Properties of Poly(L-Lactic Acid) Prepared Through Mixed Solution Method

Dan Cao, Qin-Wei Gao, Yin-Ping Zhao, Wei Ming
The blends of PLLA (PLLA) and glucose(Glu) were prepared by mixing PLLA solution and glucose solution with various ratios when PLLA and glucose were respectively dissolved in N,N-dimethyl acetamide to prepare solutions. The structure, thermal properties and crystallinity of PLLA, glucose and PLLA-Glu...
Proceedings Article

Research on Fibiril-Reinforced Poroelastic Mechanical Behaviour of Articular Cartilage

Chun Long, Chang-Yong Dou, Tong-Tong Guo
The main purpose of this paper is to validate the spring-based fibiril-reinforced porous elastic model of articular cartilage. In this study, the ability to interpret the process of axial reaction and lateral displacement in unconfined compression experiments was used as a criterion to prove the correctness...
Proceedings Article

Locomotion Patterns based on a CPG Model of Snake Robot

Wei-Jian Hu, Lan-Ying Zhao, Jun-Li Yan, Jin-Xiao Li, Zhe-Long Wang
The large number and scales of earthquake disasters have occurred around the world in the past decade. In order to mitigate damages from earthquake disasters, the intelligent rescue systems with high information technology and robot technology have been expected. With the rapid development of rescue...
Proceedings Article

Research on Composite Braking Technology for Electric Drive High Speed Tracked Vehicle

Hui Sheng, Chun-Ming Li, Yan Xu, Ming-Gang Du, Tian Ma
In order to solve that the single execution component and mechanics-motor composite braking cannot meet the braking requirement of electric drive high speed tracked vehicle, the method of mechanical brake, motor and electro hydraulic retarder composite braking is proposed. Through the analysis of the...
Proceedings Article

Design of the Single Leg of the Quadruped Bionic Robot with Jumping

Liang-Wen Wang, Kang-Kang Song, Feng Zhao, Wen-Liao Du, Xin-Jie Wang
In order to achieve jumping movement gait of a quadruped bionic robot, herein, a kind of quadruped bionic robot with a single leg is designed for the purpose. The body, thigh, shin, ankle and the structure of the energy storage unit are determined by analyzing the bone structure and the muscle distribution...
Proceedings Article

Development of a Type of Non-Contact Driver in an Underwater Rope Drum

Bo Zhang, Zhuo Wang, Tao Wang
Research on a type of non-contact driver made of magnetic materials in a rope drum was carried out to solve the problem of leakage in the deep dynamic seals of motor output shafts. An isolation sleeve was added between the inner and outer magnetic rotor, which changed the sealing type from a dynamic...
Proceedings Article

Research of Anti-Swing Control System of Tower Crane Based on EI Input Shaping

Xiang-Ao Wang, Jin Peng, Xian-Bing Wang
This thesis builds tower crane's simulation model using MATLAB/Simulink based on it's stress analysis, analyzes the design method of EI input shaper(Extra-Insensitive Input Shapers)in eliminating swing, and the simulation results of swing trajectory when doing heavy swing rotary motion were compared....
Proceedings Article

Effect of Robot Driving Mode on Lower Limbs Rehabilitative Training

Ke-Yi Wang, Shuai Wang, Wen-Yan Zhao, Peng-Cheng Yin, Xiao-Qiang Tang
According to the combination of lower extremity rehabilitative robot(LERR) and trainer, the effects of multi-point driving form and single point driving form on muscle force and joint torque are explored. The musculoskeletal model of lower limbs was established, based on the physiological structure of...
Proceedings Article

Fuzzy Neural Network Control System Design for Solar Water Heater

Zhi-Da Zhu, Li Zeng, Fan Zhang
There are more and more applications of Solar water heater in urban and rural, the research and development of advanced Solar water heater control system becomes more and more important, to improve the working performance and convenience of solar water heater. According to the requirements of the solar...
Proceedings Article

Design and Realization of Simulation System Combined With Virtual Reality of Tool Controller Mechanism for Machining Center Based on Irai Software

Meng-Ying Liu, Wei Zhao, Kuan Wang, Yong-Gang Chen, Chen-Yang Wei
In order to solve the problem that the training equipment is few and the training items are single, the students can not connect the learned skills with the actual production of the enterprise ,a new idea is put forward to control the virtual 3D-model with the electronic components such as PLC, relay,...
Proceedings Article

Research on the Single Neuron PID Control for Welding Bath Depth

Xi-Wen Liu, Chao-Ying Liu
Welding bath depth control system based on single neuron self-tuning PID is designed, and several learning algorithms for neuron weights are simulated, the simulation results show that this controller reacts quickly and has good stability. The experiment with various cross-section and seam-gap workpiece...
Proceedings Article

Construction of industrial Robot Virtual Assemble Training System with Unity3D

Jun An, Zhuo-Tao Liu, Jin-Song Fan
By deeply analyzed virtual reality technology, industrial robot virtual assemble system and related software and hardware platform, the overall structure and fundamental configuration of virtual assemble training system applying to general industrial robot was put forward. The virtual scene and the UI...
Proceedings Article

The Structure Design and Motion Analysis for a Heavy-Load Palletizing Robotic

Wei-Xiong Xu, Jing Cao, Xiao-Geng Nie, Bo-Hang Chen, Zhi-Yuan Liu
Pallet refers to pile up one by one per certain mode to facilitate the transportation logistics activities used as material handling, storage, loading and unloading of unitized pallet. This paper mainly introduces a design of heavy-load palletizing robotic structure for coating handling, special grabs...
Proceedings Article

Research on Key Technologies of Wheeled Robot

Bin Hu, Jin-Peng Xing, Yong Wang
As the main carrier of the robot, the wheeled robot has been studied for many years. Wheeled robots are driven by wheels to drive the robot to move and work. The key technologies of single-wheel rolling robot, two-wheeled mobile robot, three-wheeled four-wheeled robot and six-wheeled robot are reviewed...
Proceedings Article

The Realization of Synchronizing Function in Roller Automatic Production Line

Yuan Liang, Jian-Ye Sun, Cheng-Feng Wei
Roller automatic production line adopts the unit management system, and has six management control units. And each of these units takes the 840D system as the control center and adopts PROFIBUS network for communication between unit and unit. The realization of synchronization function between internal...
Proceedings Article

The Generation of Data Report of Roller Automatic Production Line Detection Unit

Yuan Liang, Jian-Ye Sun, Cheng-Feng Wei
The detecting unit of the roller automatic production line detects the key parameters of each roller and archive them, to analyze whether the roller product performance standards according to the detecting information. The detecting data was stored into SQL database using the VBS of the WinCC software...
Proceedings Article

A Backstepping Control Method for Mobile Robot Path Tracking

Chang Ren, Jun-Hong Ji, Hao-Yue Yan, Hui Zhang, Jin-Zhong Yue
In this paper, the kinematic model of the mobile robot is built. Based on Backstepping time-varying state feedback method and Lyapunov theory, the time-varying feedback control law were designed and the global asymptotic stability is proved. Numerical simulations were conducted to show the effectiveness...
Proceedings Article

Design and Application of Timing Model for Tank Driving Shift

Jin-Qiu Zhang, Zi-Jian Wei, Yi-Le Liu
Aiming at the status quo of subjective factors in driving training assessment, it is difficult to quantify the wrong actions and proficiency. This paper analyzes the timing changes of the various operating parts in gear shift, designs the shift action timing model based on the change of operating state,...
Proceedings Article

An Adaptive Merging Method between Point Clouds in Reverse Engineering

Peng-Xin Liu, Meng Wu, Yun-Qin Zhu, Hai-Li Jia, Jia-Yin Zhao
This paper introduces an adaptive merging method between point clouds from optical scanning system. The point clouds will be wrapped in the form of triangulated mesh. One is used as feature data, and the other point cloud as target data. Then the special mesh region that needs to be updated is automatic...
Proceedings Article

Autonomous Identification and Planning System for Quadrotor UAV Based on Vision

Xuan Du, Kang Zhu, Bo Qin
An autonomous identification and planning system is proposed and a flight platform based on Linux embedded control system is developed for a quadrotor unmanned aerial vehicle (UAV) based on vision. In the process of control, through the Zenmuse X3 camera and the Open CV library for real-time image processing,...
Proceedings Article

Reliability Analysis and Applications of Marine Main Engine Remote Control System Based on Fault Tree

Zhi-Liang Wu, Jia Li
The fault tree analysis method of static reliability technology theory was applied to the marine main engine remote control system and a fault tree for the control system was constructed. After finishing the qualitative and quantitative analysis of the fault tree, an applied fault tree and a fault-finding...
Proceedings Article

Express Automatic Sorting Machine

Tian-Yang Liang, Fei Zhong, Xin Yuan, Di Yao, Nian Yue, Zhong-Wei Cheng
Express automatic sorting is one of the main problems in the domestic logistics and transportation section. At present only a few large domestic and foreign logistics companies possess automated logistics sorting lines. The sorting equipment is complex in structure, large in size, high in cost and energy...
Proceedings Article

Research on the Forming Module of Bagging Machine

Fei Zhong, Wen-Ding Li, Zhen Huang, Xin Wang
In this paper, after understanding the relevant circumstances the of the cooperative enterprise packaging bag production, the bagging mechanism of the mechanical forming has been studied. The structure is modeled with SolidWorks, and the mechanical principle and mechanical design are used to realize...