Proceedings of the 2015 2nd International Conference on Machinery, Materials Engineering, Chemical Engineering and Biotechnology
Session: Session 1: Mechanical Engineering and Manufacturing Technology
86 articles
Proceedings Article
Local Shape Similarity Retrieval of Mechanical Parts
Jiale Wang, Yin Jun
A scale-invariant shape feature is proposed. The shape feature is extracted on gray voxel models by a SIFT-like algorithm to describe the local shape information of 3D models. Shape feature vectors are constructed by a BoF method. A distance function that supports the part-in-whole matching is employed...
Proceedings Article
Exploration of the Application of High and New Technologies in Grain and Oil Processing
Haijuan Tian
The State Administration of Grain has released the Suggestions of Popularizing the Utilization of High-Tech in “Eleventh Five-Year” In Grain Industry and the Comments And Suggestions of Mid-Long Term (By 2020) Scientific and Technological Development Plan of China’s Grain and Oil, and has vigorously...
Proceedings Article
The Cause Analysis on the Highway Bridge Expansion Joints and the Maintenance of Construction Management
HuaDong Li
The bridge expansion joints is to adapt to the structure deformation of the bridge, the across device between the bridge structure each couplet of the beam end and the beam end and the abutment back set free deformation. Its role is to ensure that the bridge span structure under temperature change, concrete...
Proceedings Article
Study on Innovative Design of Green Energy Multifunction Integrated Smart Windows
Kaixin Meng
With the rapid development of global economy, it emerges increasing consumption of human society, fossil energy and other non-renewable energy will become increasingly depleted. While accelerating the development of new energy sources, attaches great importance to energy conservation has become the consensus...
Proceedings Article
Research on the Space Deployable Mechanism Driven by Twist Spring
Weiguo Zhao, Yanchun Li, Yijian Wang, Boqian Xu, Yan Wang
A deployable mechanism applied in the aerospace with twist springs and links driving, locking function is described in this paper. Dynamic analysis on this mechanism has been presented, and dynamic simulation has been implemented following the results of analysis, the dynamic characteristics of mechanism...
Proceedings Article
Simulation Analysis and Study of Comprehensive Stress Change Regularity In the Sintering Process of LTCC Microwave Component
Benye Yin, Zhaohua Wu
LTCC microwave component has small spacing between lines, the tiny deformation in sintering will affect the mechanical properties of components seriously. This paper established a 3D finite element simulation analysis model of the LTCC microwave component with micro-channels by using the software ABAQUS,...
Proceedings Article
On-orbit Science Unit Maintainance in Space Telescope
Yijian Wang, Weiguo Zhao, Yanchun Li, Funan Yu, Yan Wang
With the development of space technology, the large diameter long-life of the space telescopes became more and more urgent. This paper mainly discussed the feasibility of the space telescope on-orbit maintenance for science unit module. This paper took the WFC3 module of the Hubble space telescope for...
Proceedings Article
Apply ADD method to the Development Process Life-Cycle Phases within DoDAF
Bo Ou, Daguo Qin
This paper presents an approach to work with the process life-cycle of the U.S. Department of Defense Architecture Framework (DoDAF), and extend existing architecture description process and artifacts within DoDAF that match the scope of the ADD life-cycle phases to enhanced system life-cycle development...
Proceedings Article
Review of Core Support Capabilities of the Equipment SoS Analysis and Evaluation
Kai Lu, Chenglong Nie, Yingjie Yang
Clear the connotation and concept of equipment SoS and core support capabilities. Core support capabilities for the evaluation from the evaluation parameters and evaluation methods two aspects, analyzed characteristic and research progress on the core security capabilities systematically and summarized...
Proceedings Article
Design of Biaxial Tensile Cruciform Specimen Based on Simulation Optimization
Rui Xiao, Xiaoxing Li, Lihui Lang, Yangkai Chen, Yulong Ge
In this paper, the design methods of cruciform specimen of biaxial tensile testing are summarized. In order to study the stress and strain distribution of sheet metal under plastic deformation stage, the specimen shape is designed according to the principles of stress–strain distribution homogeneous...
Proceedings Article
Adsorption of nutrients by substrates for constructed wetland
Yuanyuan Fang, Linghua Liu, Leixiang Wu
Zeolite, haydite, tire crumb, volcanic and vermiculite were selected as potential substrates of constructed wetland. This study investigates the adsorption of the mixed substrates for removing nutrients. A series of batch test experimentations was performed. The results indicate that there is an obvious...
Proceedings Article
Improved Multi-Sensor Integrated Navigation System for Land-Vehicles
Yuyang Zhang, Bogen Cai, Jian Wang
Standalone Beidou satellite navigation system cannot achieve the high positioning accuracy when the signal is obscured. An improved filtering algorithm based on Extended Kalman filter (EKF) is proposed after comparing the advantages and disadvantages of the filtering method. Navigation parameters from...
Proceedings Article
Multidisciplinary Design Optimization for the Plunger Mechanism of a Lubrication Pump
Yixiang Zhang, Xifan Yao, Cunji Zhang
A ZJ-type high pressure lubrication pump is analyzed by multidisciplinary design optimization (MDO) method, where data are sampled via optimal Latin hypercube experiments, and the response surface models (RSMs) for the plunger piston and cylinder body of the pump are built. Lightweight design of the...
Proceedings Article
The study of ultrasonic heat meter straight pipe length based on the CFD
Wen-lin Wang, Chao-chuan Huang, Zhi-jie Zhan
In order to verify the rationality of the straight pipe's design for the ultrasonic heat meter calibration device, the Computational Fluid Dynamics(CFD) was used to the simulation for the DN25 heat meter, the straight pipe length of the domestic typical structure ultrasonic heat meter was determined...
Proceedings Article
Interfacial Stress Analysis of the Second-Reinforced Load-Bearing Beam Based on COD Criterion
Yushi Yin, Yingfang Fan, Yihong Xu
Since there exists plastic zone on the crack tip of reinforced beam, it is impossible to use crack instability criterion for brittle materials. Based on the theory of fracture mechanics, by using D-B model and considering the actual construction conditions, this study puts forward a COD criterion-based...
Proceedings Article
Summary of the Camshaft Grinding Machine and the Finite Element Analysis of grinding wheel rack frame
Jinwei Fan, Hongliang Wang, Lanqing Zhang
The camshaft grinding is precision machine tool. This paper discusses on the necessity of finite element analysis. This paper briefly introduces the camshaft grinding machine structure, and compared the emulation of grinding and tangent point tracing grinding camshaft two grinding methods, The benefits...
Proceedings Article
Research of error detection and compensation of CNC machine tools based on laser interferometer
Yueming Zhang, Xunxun Chu, Shenchun Yang
Taking a certain type of precision ultra-precision CNC grinding machine as an experimental platform, the research uses Renishaw XL-80 laser interferometer in testing the machine tools positional accuracy and repeat positioning accuracy in the before and after position of error compensation. Through the...
Proceedings Article
Simulation and Test Analysis on Mechanical Property of GCG-I Platform Wagon Coil Steel Pallet
Dunhua Liu, Mei Han, Nengpu Yang
This paper focus on simulation on mechanical property of platform wagon GCG-I coil steel pallet by using computer simulation technology and compare calculated value with the result in actual situation. The dimension model is built by SolidWorks. The value of various parameters is determined by the force...
Proceedings Article
BIM technology diffusion study in construction enterprises based on Bass model
Xiao Ling Tang, Xiao Hai Yi
The emergence and development of BIM technology to improve the construction quality and construction efficiency , reduce the construction cost and contract dispute provides a technology platform. This article embarks from the technology diffusion of the Bass model, by 19 kinds of information technology...
Proceedings Article
Numerical Modeling of Turbulent Convective Heat Transfer for Supercritical Pressure Fluids Cooled in Horizontal Tubes
Yufei Mao, Fei Cao, Qingjun Liu, Wei Qi, Hong Xiao, Tianyu Zhu
Modeling of the turbulent convective heat transfer to supercritical pressure fluids in horizontal circular tubes is achieved through an integral approach, and a traditional mixing length turbulence model is employed into the numerical scheme. Based on this model, heat transfer of supercritical carbon...
Proceedings Article
Dynamics applications in the vehicle and two-wheeler accidents
Ming Ni
Conflicts between the parties have been increased due to multiple accidents between vehicles and two-wheelers. The main problem lies to the responsibility identification in the accident. Speed collision by applying to scientific and accurate accident reconstruction is an important part for the responsibility...
Proceedings Article
Research on Collaborative Virtual Assembly Technology Based on Web
Haijun Wang
Product design is very important in the process of product development. The traditional process is to carry out experiments and evaluation by the physical prototype, and the development cycle is longer. Virtual reality equipment can avoid these processes, and then simulate the process of product design...
Proceedings Article
The Principle and Application of Intelligent Machine Tools
Qinghui Dai, Xiaomin Wang
Intelligent machine tools are fundamental to realize manufacturing technology and equipment modernization, and are the workhorses of modern equipment in the manufacturing industry, and are of great significance for the further research of intelligent machine tools. A framework of intelligent numerical...
Proceedings Article
The Principle and Application of the Multi-Axis Linkage Machining Center
Qinghui Dai, Sisi Ren
With the progress of science and technology, product parts machining processes are more and more difficult, and the machining accuracy is becoming higher and higher. The application of multi-axis linkage machining center is the main way to solve these problems. As a major means to solve special-shaped...
Proceedings Article
Analysis of Cargo Sway Characteristics of Tower Cranes
MingXiao Dong, Bo Pang, JiYong Wang
To study the cargo motion and sway characteristics of tower cranes to find effective methods to suppress the cargo sway and to position the cargo, we modeled the cargo sway, and then analyzed the equilibrium states of the cargo sway. The research results show that the center line of the cargo pendulum...
Proceedings Article
Analysis of the Interaction between Casing and Completion Packer Slip in HPHT Wells
Xin Sun, Yihua Dou, Heng Song, Xing Wang, Yinping Cao
Completion packer slips have the effect of supporting the packer by anchoring and locking packer rubber in high temperature and high pressure (HPHT) wells, which are an important component for ensuring the reliability of the packer. There are interactions when slips and casing contact with each other,...
Proceedings Article
Study on Foam Concrete Damping Measure for Crossing High-Speed Railway tunnel
Fei Huo, Hai-Lin Liu, Li-Min Peng
Numerical calculations for the damping effect of foam concrete cushioning layer in crossing high-speed railway tunnel were carried out, based on the fluctuation theory using the Newmark implicit integration algorithm and he Lysmer viscous boundary condition. Then the measure’s damping effects were evaluated...
Proceedings Article
The attitude control method and realization of micro rotor-craft based on natural interaction
Yixiong Xu, Liang Chen
We construct a micro rotor-craft controlling method based on hand gestures of natural interaction behavior. In order to control the micro rotor-craft flight attitude by hand gestures, we obtain the hand palm flat attitude data by Leap Motion controller,and transform the data into rotor-craft attitude...
Proceedings Article
Matching characteristics of propeller and engine of fuel-powered quadrotor aircraft
Fupei Zheng, Weijun Wang, Song Li, Jicheng Zhang
Quadrotor aircraft has become the forefront and hotspot in the research of the aviation industry. At present, the study of the quadrotor aircraft mainly concentrated in the category of electric quadrotor aircraft. But the electric quadrotor aircraft has a relatively short range and small payload, mainly...
Proceedings Article
Linear measurement and analysis of the gear rack
Biyun Xiang
In the research of the linear motion of the gear drive mechanism, the measuring platform of the gear rack is designed in order to measure the linear error. using servo motor directly drives the gears on the rack. using servo motor directly drives the gear on the rack, and is based on the motion control...
Proceedings Article
Design and analysis of novel cutter roller of branches chopping machine
ZhiFang Zhu
Traditional branches chopped finely chopped device volume is larger, cutting tool wears, big impact.This article is based on the shortcomings of traditional cutter, and put forward a kind of reduced chopped device volume, reduce the impact and abrasion of involute arc type knife knife plate.After the...
Proceedings Article
Design of the mechanical system of lower limb rehabilitation equipment rehabilitation
Wengang Zheng, Zhiyi Zhang
In this paper,Analysis and study of various kinds of internal and external treatment instruments of knee, Sum up the advantages and disadvantages of the same products and puts forward the design idea of X/O type leg correction bed with safe, low cost and physical external forces. Combined with the biomechanical...
Proceedings Article
Research on Development of Low Carbon Wollastonite-based Sanitary Products
Xiyuan Wang
Based on the analysis of ceramic sanitary ware products, energy, we put forward a substrate for the energy-saving bathroom wollastonite product development process, and the establishment of a carbon accounting model emissions, carbon emissions were compared to verify the order Wollastonite value of carbon...
Proceedings Article
Functional Analysis of exhaust gas turbocharger regulator
Jicheng Yu
The method of controlling exhaust gas uses cross-section controller to increases the rotational speed of the turbine or uses composite pressurized way to improve working conditions at low engine supercharger requirmente. Through analysising the exhaust gas flow path of the working chamber casing airflow...
Proceedings Article
Coal Mine Trackless Rubber Tyred Vehicle Control System Design based on ARM
Yuanbin Hou, Yong Chen
This paper for red Liulin coal mine underground complex production environment combined with actual shipped, designed a set based on the arm of the coal mine trackless rubber tyred vehicle inspection control system. System can be detected by the vehicle detector in coal mine underground without trackless...
Proceedings Article
Study on the Stability and Reliability of the Whole Life Cycle of Tunnel Structure
Youjiang Yang
The tunnel structure life-cycle includes construction period, service period and aging period. Something dangerous maybe happened in the event of stress balance weight distribution of tunnel structure changed and the continuous development of shotcrete and bolt strength during construction. During service...
Proceedings Article
The Study Methods and the New Progresses of Slope Stability
Yongtao Zhang
Systematically introduce the research situation and development trends of the analysis method of slope stability at home and abroad, Focus on the two kinds of calculation methods and critical slip surface searching method based on the limit equilibrium theory and numerical analysis, And it also briefly...
Proceedings Article
Study of the Xi’an Xiao Yan pagoda’s dynamic characteristics
Tao Yang, Nan Zhao, She-Liang Wang
Finite element software ABAQUS was used to calculate the dynamic characteristics of Xi’an Xiao Yan pagoda by a three-dimensional entity model, and a variety of factors were simulated on its dynamic characteristics. Results show that it is feasible to calculate the structural dynamic characteristics by...
Proceedings Article
The study on analysis method of collision mechanics between motorcycles and automobiles
Ming Ni
In the accident reconstruction, the measurement is often performed according to the accidents information left in the scene of the accident, such as collision point, braking traces, scattered ,fallout, the throw distance of the body, the throw distance of the two-wheeler, etc. With the aid of these effective...
Proceedings Article
Sizing Optimization of Microactuaor In-plane Based on Ansys Workbench
Jie-jian Di, Sen Ren, Yu-Xia Zhao, Quan-Liang Zhao, Xiao-lan Tan
One new type piezoeletric microactuator was designed in this paper, in order to improve the output characteristic of microactuator mechanism, piezoeletric analysis was performed and the optimization model was built with wb and as design variables, the maximal output horizontal-plane displacement and...
Proceedings Article
Design of Intelligent Anti-Theft System for Electric Bicycles
Yanan Wang, Caiqin Kang
According to the shortages of anti-theft methods for electric bicycles, combined with modern electronic technology, single-chip technology and intelligent sensor technology, propose a design based on the microcontroller used for electric bicycles’ anti-theft. In this paper the hardware and software of...
Proceedings Article
Roller Shutters Inflatable Folding Mosquito Net
Fenglan Wang, Xingyang Jia, Shuai Jiang, Bo Zhang
Traditional nets made of soft rope support, the four corners fixed to the roof, don't have to put in the roof, the nets continue to cause people to space smaller, living space narrow is easy to make people depressed. It is not about the concept of healthy and happy life. In addition to, mosquitoes into...
Proceedings Article
Automatic dust-free wiper
Fenglan Wang, Xingyang Jia, Bo Zhang, Bo Gao
The traditional blackboard is to rely on artificial wiped the handwriting effort and produce dust, causing inconvenience to the teacher in class, also affect the quality of students listening lectures. Institutional innovation reform to solve these problems by this design, the basis of the principle...
Proceedings Article
Study on Arc Envelope Grinding Process of Revolving Curved Surface
LingYe Kong, QiuSheng Yan, YongLiang Qiu, Tengxiong Qiu
To meet the precision machining needs of axisymmetric revolving curved surface, the arc envelope grinding technology for curved surface is studied so as to make a breakthrough in the current process. The particularity of arc envelope grinding of curved surface is analyzed. Through the analysis of the...
Proceedings Article
Research on real time compensation of thermal errors of CNC lathe based on linear regression theory
YongLian Qiu
In the field of precision machining thermal error is one of the main error sources in CNC machining. The thermal error compensation of CNC lathe can effectively improve the machining accuracy of machine tools. On the basis of the research of local thermal error compensation technology in NC lathe the...
Proceedings Article
A Method of Hand Contour Tracking based on GVF, Corner and Optical flow
Ke Du, Ying Shi, Jie Chen, MingJun Sun, ShuHai Quan
Since bare human hand is highly articulated and deformable, its tracking is more challenging than rigid object tracking. In this paper, an automatic approach is proposed to track hand contour on the basis of gradient vector flow (GVF Snake), corner detection and sparse optical flow. The skin-color model...
Proceedings Article
Research on defects and control method based on thread shaft forming
Huajun Yan, Shuangjie Zhang, Shibo Ma
The defects of incomplete tooth, low tooth height and big pitch are easy to produce, when the thread shaft is rolled by cross wedge rolling. The forming defects of teeth are researched by theoretical analysis and numerical simulation, the causes of producing tooth defects are analyzed, and forming process...
Proceedings Article
Fatigue reliability analysis of running system of large passenger vehicle considering velocity distribution
WenLiang Li, Wei Zhou, Lu Zhang, ChunXiao Ren
Based on the theory of nominal damage prediction, the influence of vehicle velocity on fatigue damage is analyzed, and the equivalent coefficient of different speed is proposed. The real vehicle test is carried out, and the equivalent coefficient of different velocity is calculated, and the fatigue reliability...
Proceedings Article
Static Strength and Modal Analysis of Crankshaft of a High-speed Reciprocating Compressor
Guangyu Mu, Feng Wang, Xiaozhen Mi
Crankshaft is the main part of reciprocating compressor. Its structure parameters influence the reliability and service life. In order to improve the reliability of the crankshaft, Finite Element Method (FEM) is applied for three-dimensional modeling and static strength analysis. The shaft model is established...
Proceedings Article
Research on the Deformation and Aerodynamic Characteristics of Flexible Flapping Wings Mimicking Cicada’s Wing
Xijin Zhang, Qiang Dong, Ning Zhao, Yuan Shen, Yan Wang
Flexibility of an insect wing has an important effect on the aerodynamic characteristics. In this paper, deformations and aerodynamic characteristics of flexible flapping wings referred to a real cicada’s wing are investigated. Firstly, 3 flexible flapping wing models referred to a real cicada’s wing...
Proceedings Article
Simulation of Synchronous Motor Power driven System for EPS Based on SVPWM-DTC
XueFeng Ye, ZuHua Fang, Ying Sun, GJ Guo, Jiale Wang
DTC (Direct Torque Control) with the torque and stator flux linkage as control variables directly, has the advantage of quick dynamic torque response, good anti-interference performance is also as an advantage, especially suitable for vehicle EPS power driven system to the requirement for the fast torque...
Proceedings Article
Design of small four-rotor UAV transmission line inspection systems
Jinhu Liao, QingYong Zhang, Yixin Su, Guoting Qian
A small four-rotor UAV transmission line inspection system is designed, which not only can cruise and avoid obstacles automatically, but also can be controlled with the remote. The system carries out data collection of transmission lines by the camera module, makes use of FPV technology to realize the...
Proceedings Article
The application of PTFE coating on spherical joints
Jie Zhang, Dan Wang, Wuyi Chen
Spherical joints are wildly used in parallel mechanisms. This paper applied polytetrafluoroethylene (PTFE) on the surface of spherical joints, aiming at reducing both frictional resistance and clearance of this kind of joints. Firstly, three kinds of solid lubricants were coated on flat samples and their...
Proceedings Article
Rotor Dynamical Characteristics of Helicopter Start
Hongru Ma, Yue Wang, Zhitao Mu, WenSheng Sun
Based on the theory of finite rotation beam, together with the finite element method, the rotor dynamic model is established, and the relationship of strain and displacement in the strain energy of blade is solved by introducing the generalized Danielson-Hodges strain and Green-Lagrange strain. The three-dimensional...
Proceedings Article
Design and Optimazation of the Shell for One Camera
Bo Gao, Hongtao Yang, Kui Shi, Weining Chen
The structure of the shell designed for a camera was investigated. The duralumin named 2A12-T4 was chosen as the main material in order to achieve the minimum weight, and the finite element optimization method was used for the design of the shell. Introduced the structure characteristics of the shell....
Proceedings Article
Polarization behaviors in a transverse Ising film with multi-surface layers
QiuShi Li
The mean-field theory is used to study polarization behaviors in a ferroelectric thin film described by the transverse Ising model. The dependence of average polarization and layer polarizations of the transverse Ising film with two surface layers on the Curie temperature or transverse field is discussed...
Proceedings Article
Research on rotate status of non-circular cross-section discrete rods
Junting Yin, Gang Li
Put forward a circumferential configuration non-circular cross-section discrete rod and it’s charge structure. The results of numerical simulation show, by adjusting discrete rod and matching detonation loading, the charge circumferential integration of the discrete rod can dispersing along the radial...
Proceedings Article
Nonlinear Observer Design for One-Sided Lipschitz Generalized System
Yunan Zhao, Junguo Lu
State estimation of systems satisfying some special nonlinearities have been important topics in nonlinear system theory. In this paper, we discuss the problem of observer design for one-sided Lipschitz nonlinear generalized systems based on generalized quadratic stability and Lyapunov function, by using...
Proceedings Article
Research on local pressure bearing capacity of prestressed deep corbels under interaction of vertical and horizontal loads
XinSheng Yin, Yang Liu
In order to further improve the stress state of reinforced concrete deep corbel under local loads, study on the influence of prestressing on the horizontal bearing capacity. Through the calculation and analysis on the horizontal ultimate bearing capacity of deep corbel under certain local loads, and...
Proceedings Article
Theoretical study on effective reinforced depth of vacuum preloading
Huiqiang Gao, Haihong Mo
A new idea about analysis of reinforced depth is proposed. The consolidation degree of soil at any point is calculated base on the conventional consolidation equation for sand-drained ground, and the reinforced depth is deduced through the consolidation degree. The variation of reinforced depth is analyzed....
Proceedings Article
Strength Model of Cementing Filling Body under Lateral Pressure
Jun Wang, Deng-pan Qiao
In recent years, based on that the research and application of the open stoping with subsequent fill continuous mining method of "two step" model is getting more and more attention. The design of the strength of cementing filling body of the first step ore room is especially important under the condition...
Proceedings Article
Study on the influence rule of underlying working face to overlying rock and high level tunnel
AnYing Yuan, Zhenquan Zhang, Yang Li
Aiming at the special situation of high level tunnel under the in fluence of mining in Xieqiao coal mine 21116 working face,the theoretical analysis,numerical simulation and field measurement is taken to analyze it.And it reveals the overlying strata movement rule and mechanism of high level tunnel under...
Proceedings Article
Research of temperature stress Non-abutment slant-legged rigid frame bridge
XiuLing He
In this paper through the establishment of the Midas model, mainly discusses the non abutment slant leg rigid frame bridge in different position in the temperature change stress changes. The results of the study show that, with the Overall temperature changes, no abutment slant leg rigid frame bridge...
Proceedings Article
Continuous rigid frame bridge side span and mid-span ratio of optimization and analysis
XiuLing He
The bridge prestressed concrete continuous rigid frame bridge is a kind of good integrity, reasonable force, construction technology is mature, moderate cost, spanning ability and driving comfort, etc.And in the actual project got a lot of applications while further development prospects are very bright....
Proceedings Article
Study of Failure Criterion for Brittle Rocks Based on Ellipse Criterion
Chao Liu
When rock-like materials are tested under triaxial compression[1] ,two kinds of failure may happen,that is,ductile and brittle failures.The essential reason for rock failure is the relative displacement among mineral particles making up rock.Generally, rock failure can be either tensile or shear,which...
Proceedings Article
Structure Optimization and Numerical Analysis of Cement Concrete Overlay of Some Secondary Road overlay
Moshu Li, Jianming Yang, Chao He
According to disease investigation of cement concrete overlay of some secondary road in Hunan province, analysis model is built by ABAQUS finite element software. Research shows that the mechanical properties of cement concrete overlay of scheme B, C, D is better than scheme A . And scheme C(3.5m+4m+3.5m)...
Proceedings Article
Flexural behaviors analysis of ECC-RC composite beams reinforced with FRP bar based on OpenSees
Wenjie Ge, Junyu Chen, Haihuan Wang, Ke Zhao
Based on the finite element analysis software OpenSees, the flexural behaviors of ECC-RC composite beams reinforced with FRP bars is analyzed. The results show that cracking, yield and ultimate moment increase with the increasing of height replacement rate and the increasing rate slow down gradually....
Proceedings Article
Numerical simulation analysis on the flexural behaviors of ECC-RC composite beams reinforced with high strength steel bars
Wenjie Ge, ZhengDong Huo, Changqing Gui, Ming Yang
Based on the simplified material constitutive model and strip analysis method, computer program languages is used to analysis the flexural behaviors of ECC-RC composite beams reinforced with high strength steel bars. The results show that cracking, yield and ultimate moment increase with the increasing...
Proceedings Article
Dynamics Analysis of planetary Gear Train with Two Degrees of Freedom
Lin Xu, Kai Liu, Yahui Cui, Peiyuan Meng
Dynamic analysis method is used in this paper to analyze the dynamic response of planetary gear train with two degrees of freedom under the conditions of the start-up and load step change during operation. The results show that the angular velocity relationship between the components under steady-state...
Proceedings Article
Design of Straight-line Navigation System for Farm Machines Based on Mobile Internet Technology
Hualu Song, Yinfa Yan, Chengcheng Chen, Xiaohui Zhang, Fa-de Li, Xuezhen Sun, Zhanhua Song
In order to keep the farm machines straight in the agricultural production process, the straight-line navigation system for farm machines based on mobile internet technology and inertial navigation technology was developed. Straight-line navigation system consists of sensor subsystem and the Android...
Proceedings Article
Dynamic Performance Modeling and Analysis of B2 - K1016 CNC camshaft grinder bed
JinWei Fan, Lanqing Zhang, HongLiang Wang
It is a measure of the dynamic performance of the machine tool design merits of the important performance indicators.This paper use Pro/E and ANSYS Workbench integrated development platform, for a certain type of grinder bed for three-dimensional modeling and modal analysis to improve dynamic performance,...
Proceedings Article
Fault diagnosis of rolling bearing based on PSO and continuous Gaussian mixture HMM
Guangchun Liao, Haiping Zhu, Kangjun Liu, JiaWei Liao
As the hidden Markov model (HMM) has a strong ability of time sequence modeling, the continuous Gaussian mixture HMM is used to establish a model base of the rolling bearing fault. An adaptive particle swarm optimization (APSO) with extremum disturbed operator and dynamic change of inertia weights is...
Proceedings Article
Research on Fault Distribution Parameters Estimation and Reliability Assessment of CNC Grinding Machine Tools
JinWei Fan, Shi Ji, Shuai Yuan
Fault distribution type identification and probability density function parameters estimation are the prerequisite of CNC grinding machine tools' reliability assessment. The procedure of fault data grouping the technique of probability density function parameters estimation based on least square method...
Proceedings Article
Error sensitivity analysis of machine tools based on multi-body kinematic theory
JinWei Fan, Shuai Yuan, Lanqing Zhang
In order to determine the key factors which have an impact on the machining accuracy of a machine tool after its machining errors occur, a different method analyzing the sensitivity of machine tool errors based on the theory of multi-body system kinematics is proposed. Firstly , the method assumes a...
Proceedings Article
Powertrain modeling and performance simulation for Electric vehicle
Yanan Gou
According to the dynamic performance evaluation indexes of the vehicle, combining the performance requirements of the electric vehicle which paper studied, choosing the motor parameters, transmission ratio and the battery parameters respectively.The vehicle model is established in the ADVISOR software,...
Proceedings Article
Combined multi-functional rehabilitation machine
Tianyi Zhang
The design is a function with a variety of rehabilitation training machine, for there are injuries and recovering patients. The multi-functional integrated set by upper training, lower body and unified protection protective function of limbs force patients were fully trained to play a role in rehabilitation.
Proceedings Article
Influencing Factor Sensitivity Analysis of Dynamic Loading of the Projectile Engraving Experimental Facility
Xue-long Cao, Jun-qi Qin, Chang-chun Di, Ye-zun Sun
In combination with one projectile engraving experimental facility, movement role of the facility and work principle of its parts are analyzed. And structural parameters are considered to have the most influence on the dynamic loading. A virtual prototype model is established by ADAMS (Automatic Dynamic...
Proceedings Article
Reference Vibration analysis of Piezoelectric Micromachined Modal Gyroscope
Cong Zhao, Xiao-Sheng Wu, Guo-Bin Li, Wen-Yuan Chen, Wu Liu, Feng Cui, Wei-Ping Zhang
Piezoelectric Micromachined Modal Gyroscope (PMMG) researched in the paper is a novel kind of angular rate sensor, which is based on high order resonant mode of a piezoelectric body as its reference vibration. Three methods, finite element method (FEM), scanning vibrometer and impedance analyzer, were...
Proceedings Article
Study on Deformation of the Two Rotors of Contra-Rotating Fan under Variable Speeds
DaWei Meng, Xiaobo Sun, Zeqi Zhang
With the purpose of analyzing the pressure and deformation of the two rotors’ blades of contra-rotating fan under variable speeds, the research takes the FBD5.0/2×7.5 mine contra-rotating fan as an example, establishes a 3D physical model of contra-rotating fan’s entire flow passage, and adopts 3D infrared...
Proceedings Article
Gust Response Characteristics of Helicopter Rotor Blade
Hong-ru Ma, Wen-Sheng Sun, Zhi-tao Mu, Guang-yao Yan
The deformation of blades effected by gust would endanger the safety of wind turbine. Based on blades elastic deformation theory ,We established a model of blades rotation transient response ,studied the characteristics of blades transient response effected by gust, and confirmed the procedure of blades...
Proceedings Article
Robust Locator Layout Design for B-pillar Based on Taguchi Experiment
Yu-feng Xia, Li Ren, Cai-hong Ye, Li Wang
For solving the existing problems of assembly quality of B-pillar, a robust design approach was utilized to optimize locator layout of Reinf Pillar and Side Beam Threshold so that the assembly deviation of B-Pillar was minimized. Taguchi orthogonal experiment was carried out to perform the idea by taking...
Proceedings Article
Multi-objective Optimization of Locator Layout of Side-body Panel Based on RSM
Yu-feng Xia, Li Ren, Cai-hong Ye, Li Wang
In order to study the influence of locator layout on assembly quality, the side-body outer panel of auto B pillar was chosen as the object. Based on response surface methodology (RSM) and 3DCS, the quadratic response surface models were built up. The multi-objective function was optimized to get the...
Proceedings Article
Numerical Simulation and Experimental Research on Forward Extrusion of Planet Gear
Yu-feng Xia, Li Wang, Li Ren, Cai-hong Ye
In this work, a forward extrusion technology was developed for spur gear, which used in truck wheel redactor. In order to achieve better technological parameters combination, the finite element method (FEM) and orthogonal experiment were utilized to research the process of planet gear forward extrusion....
Proceedings Article
Research on Digital Signal Processing for Motor Control
Yue Liu
With the development of science and technology and the formation of a comprehensive multidisciplinary technology. The emergence of new permanent magnetic actuator and electronic operation of synchronous technology in the field of pressure to achieve a hardware basis. In order to meet the high reliability...
Proceedings Article
A global view of behavioural design approach for 3D printing in the early design stage
Yixue Jiang, Huichao Sun, Shijiun Ji, Liying Zhao, Yaohong Zhao
Abstract. The mechanical engineering problems today become more and more complex particularly in the area of new product development. Mechanical product design is usually performed simply taking into consideration system functions and structures, while users’ behaviours in terms of using the system are...
Proceedings Article
Approach to Arbitrary Transportation of suspended particles Based on Ultrasonic composite Field
Zhuang Long, Wu Liqun, Du Xibiao, Zhang Linan, Zhai Zhuang
A particle suspension transport method was proposed based on ultrasonic composite field. Firstly,the array focusing model and accumulated force equation were established based on phased array ultrasonic cells delay, then integrated with the standing wave ultrasonic field radiation force calculation method,...