bluuebunny/crossref_metadata_2025 huggingface dataset:
The Performance Testing System of Force Motor Valve
Authors: Chen Dong Dong , Jiang Kun Peng , Jiang Da Wei , Yang Chao Jun , Chen Min
Published: September 2014

Hitachi force motor valve has been widely used in the hydraulic automatic gauge control (AGC) system of rolling mill due to the characteristics of fast response, high control accuracy and strong anti-pollution ability. It is an important part to control the steel production cost by detecting the performance index of the FMV effectively and in real time. Traditional Servo valve test system detects its static characteristics through the flow and pressure changes between the traffic cavity, and this principle can solve the three position four way servo valve performance test. However, FMV is a special three-way valve and it is hard to test its static characteristic curve like three position four way servo valve. This paper proposes a FMV testing method and has realized it. The test platform is designed and built according to the hydraulic valve testing performance index for detecting the performance of a force motor valve. Not only were force motor valve (FMV) performance characteristics tested effectively but also the performance curves were drawn. The results show that the FMV performance testing method we have built can be effectively used to detect the static performance index of FMV.
Complex Parts Design Based on Macro Programming
Authors: Chen Zuo Yue , Wang Xiao E , Yang Mei
Published: September 2014

CNC programming is from the part drawings to get the whole process of NC program, the core of the work is to generate tool paths, and then dispersed into the knife sites generated by the NC post-processing program. As one of the key technologies of CNC machining, the preparation of the efficiency and quality of its programs largely determine the processing accuracy and production efficiency. Engineering approach of this research complex part features macro programming design.
Circular Jacking Method Study for Large Equipment
Authors: Jiang Wei , Han Yan Ling , Zhao Dan , Yao Chun Ling , Yi Hua Rong
Published: September 2014

During construction, some large equipments should be connected with the equipment above. The traditional way is to use cranes for assistance to lift the equipment below up to connect with the equipment above. But for some equipments with large weight and limit operation space, traditional way will be completed with strict operation requirement and high cost. In addition, sloshing may happen during connection. The paper designs a circular jacking method according to actual construction situation to reduce the shortage in the traditional way.
Experimental Analysis on the Operating Performance of Induction Motor with Unbalance Power Supply Conditions
Authors: Zhang Yuan Xing , Li Fei , Shen Ya Li , Yang Lei Juan , Li Jie , Liu Yao
Published: September 2014

Problems of power quality have been increasingly concerned by the researchers, as the domestic appliances we are usually used are single-phase load, which mainly causes the unbalance of three-phase voltage of power supply. If the induction motor is supplied by three-phase unbalanced voltage, the currents, active and reactive power, efficiency, and losses are affected as the negative-sequence current appears, this paper is emphasized on the induction motor’s characteristics when its’ power supply is three-phase unbalanced voltage by experimental research.
A New Position-Estimated Algorithm of PMLSM Sensorless Driving System in Full Scope of Speed
Authors: Wang Gui Rong , Zhao Zhi Hong
Published: September 2014

Considering the issue that it is difficult to precisely extract the rotor information within the full scope of speed for PMLSM sensorless driving system,this paper proposes a convenient position estimation algorithm based on a new type of closed-loop observer to adapt the characteristics of wide range of linear motor speed variation.To accurately estimate the rotor position information for PMLSM system with speed varying from launching to full speed,the new algorithm is like following: based on the three-phase stationary coordinate system of PMLSM voltage model, deduce quadrature-axis current differential equations from its rotating coordinate system(d-q axis)voltage model through by Parker transformed. moreover,get the actual alternating axis current by current measuring circuit. By driving a closed-loop observer through difference between the two current differential to input and process the difference of magnetic polo position by PI algorithm, then estimate the position of the motor.Simulation results show that the convenient algorithm with position closed-loop observer can estimate the location of the motor relatively accurately in full range of speed.
Hysteresis Neural Network Modeling and Compensation of Piezoelectric Actuator
Authors: Qian Fei , Guo Zhen Wu , Xu Su An , Wang Gui Rong , Li Yun Tang
Published: September 2014

By studying on the nonlinear hysteresis characteristics of piezoelectric actuators,this paper proposes a neural network modeling method based on polynomial fitting algorithm and a compound control method for compensation of the hysteresis.Simulation shows that the fitting error of neural network model is 1.42%. According to the developed hysteretic model,PID and feed-forward control methods are applied to the system.The result is that the tracking relative error of control system is 1.59%,so the tracking precision of system is improved significantly.This indicates that the neural network model reflects the hysteresis characteristics of piezoelectric actuators accurately,and this control method is an effective compensation control for hysteresis in piezoelectric actuators.
Reentry Trajectory Optimization and Simulation of Hypersonic Vehicle with Maximum Cross Range Based on GPM
Authors: Huo Wu Jun , Liu Xu , Wang Li , Song Chao
Published: September 2014

Abstract：The application of Gauss pseudospectral method (GPM) to hypersonic aircraft reentry trajectory optimization problem with maximum cross range was introduced. The Gauss pseudospectral method was used to solve the reentry trajectory of the hypersonic vehicle with the maximum cross range. Firstly, the model of hypersonic aircraft reentry trajectory optimization control problem was established. Taking no account of course constraint, the maximum cross range was chosen as optimal performance index, and angle of attack and bank was chosen as control variable. Terminal state was constrained by position and velocity. Then GPM was applied to change trajectory optimization problem into nonlinear programming problem (NLP), and the state variables and control variables were selected as optimal parameters at all Gauss nodes. At last, optimal reentry trajectory was solved by solving the NLP with the help of SNOPT. The simulation results indicate that GPM does not need to estimate the initial cost variable, and it is not sensitive to the initial states and effective to solve trajectory optimization problem.
Design of Demisting System in Vehicle Dome Based on Fuzzy Control Algorithm
Authors: Han Peng , Wang Xu Ying
Published: September 2014

This paper describes one demisting system in vehicle camera. On the basis of fuzzy control algorithm, temperature sensor and humidity sensor were used to sample the temperature and humidity inside the dome's cover, single-chip microcomputer was used to get the dew point temperature and window glass's actual temperature through calculation and adjust the heating power consumption automatically. With these processes, the target of intelligent demisting system finally was achieved. This design is practical in vehicle domes.
A Clustering Algorithm Based on Improved Particle Swarm Optimization
Authors: Wang Xun
Published: September 2014

K-means algorithm is a traditional cluster analysis method, has the characteristics of simple ideas and algorithms, and thus become one of the commonly used methods of cluster analysis. However, the K-means algorithm classification results are too dependent on the choice of the initial cluster centers for some initial value, the algorithm may converge in general suboptimal solutions. Analysis of the K-means algorithm and particle swarm optimization based on a clustering algorithm based on improved particle swarm algorithm. The algorithm local search ability of the K-means algorithm and the global search ability of particle swarm optimization, local search ability to improve the K-means algorithm to accelerate the convergence speed effectively prevent the occurrence of the phenomenon of precocious puberty. The experiments show that the clustering algorithm has better convergence effect.
A Digital Forensics Method in Cloud Computing Environment
Authors: Chen Hai Yan
Published: September 2014

In the context of the wide application of cloud computing technology, Internet crimes with the support of such technology will increase. In this article, the author proposed a holistic set of digital forensics method applicable in could computing environment from the point of the four stages of digital evidence collection, preservation, analysis and presentation. In evidence collection session, original resource of electric data collection was discussed. In evidence preservation session, electronic data storage system on Hadoop was designed. In evidence analysis session, two types of crime data were analyzed. In evidence presentation session, what the result should be shown were explained.
Engine Crankshaft Counterweight Design Optimization
Authors: Hao Ying Jie , Zhang Tie Zhu , Zhang Hong Xin , Yin Kai
Published: September 2014

Conducting hydraulic piston engine design constraints on the design of the crankshaft counterweight mostly by trial calculation algorithm to calculate than the larger. In this paper, three-dimensional parametric mapping software use Dassault Systemes (SA), a subsidiary of SolidWorks under strong secondary development technology, combined with engine design now used widely in the counterweight model to explore the principles of optimal design of the crankshaft counterweight their method, derived crank weight optimized design model.
Comparison and Analysis of Routing Protocols Based on OPNET for Fiber-Wireless Broadband Access Network
Authors: Xu Chun Xin , Meng Fan Bo , Yu Miao , Zhang Xiu Jun , Guo Yun Feng
Published: September 2014

As a promising communication technology for smart grid system, Fiber-Wireless (FiWi) broadband access network integrating wireless and optical access technologies, is becoming a promising “last mile” access technology. As the front-end of FiWi broadband access network, Wireless Mesh Network (WMN) has the features of high transmission rate, wide coverage and low cost of networking, etc, which can make FiWi broadband access network have the advantages of self-healing, self-configuring and flexibility. As one of the key technologies in WMN, wireless routing protocols play an important role in the performance optimization of WMN, which directly influence FiWi broadband access network. Thus, this paper mainly studies the routing protocols in WMN based on OPNET network simulation platform. By simulation and analysis, this paper shows that Ad hoc On-demand Distance Vector (AODV) routing protocol has low data dropped and good performance in network delay. Dynamic Source Routing (DSR) protocol has low network load. Meanwhile, Optimized Link State Routing (OLSR) protocol has high network throughput.
Design and Implementation of Distributed Cache System in Cluster Environment
Authors: Huang Yuan Qiang
Published: September 2014

Within the layered enterprise application architecture, database is usually the bottleneck of system. Cache technology can significantly improve the system performance and scalability by caching the data in application layer. Firstly, this paper discussed the significance and importance of the Distributed Cache System. Our system provided two kinds of cache mechanism, including replicated cache and partitioned cache. Each of these has advantages and disadvantages. The design and implementation of this system covered problems including consistent hashing arithmetic. This paper described and analyzed data distribution, data update and the procedure of operations in different cache mechanisms. At last, we made the compared test between our system and the similar product, Memcached. We found that there are both advantages and disadvantages of these two products, it points out the direction for our future improvement.
Global Existence and Blow-Up of Weak Solutions for Nonlinear Wave Equations
Authors: Gao Yun Zhu , Guo Wei , Luan Tian
Published: September 2014

In this paper, we discuss the nonlinear wave equations with nonlinear damping and source terms. By using the potential well methods, we get a result for the global existence and blow-up of the solutions.
Research on Appraising of Tactical Internet Simulative Training
Authors: Shen Jian Jun , Xu Yu Qing
Published: September 2014

Appraising is an important work of Tactical Internet (TI) simulative training. As a new type of network, the appraising of TI training needs to be solved by new method. Therefore, the paper set up a new index system firstly, laid the foundation for the appraising of Tactical Internet simulative training. Secondly, the paper used a Petri net method, which solved the acquisition problem for those indexes that are dynamic changed and not easy to be directly calculated. Thirdly, the paper used a BP neural network method, which solved the calculation of index weights. Finally, based on the method of satisfaction degree, the paper set up an appraising model which realized the appraising of trainees’ training level。The paper’s work has been applied in practice and achieved good results.
Research on Development and Key Technologies of Cyberspace
Authors: Liu Hai Yan , Huang Rui , Huang Xuan
Published: September 2014

The recent years saw a rapid development in information technology, which is closely bound up with the world as well as our daily lives. Concerning security, stability and development of a country, cyberspace, the five-dimensional space coexisted with land, sea, air, and space domain, is worthy of being paid more attention to. Therefore, dozens of studies have been done in this field and people began to know more about the concept and structure of cyberspace. This paper mainly describes the development of cyberspace, elaborates its structure and summarizes the importance of cyberspace technology.
Research on Remote Monitoring System Based on Web Services
Authors: Yang Yue Xin
Published: September 2014

This paper proposed a remote monitoring system based on Web Services .In the system, the data form different kinds of sensors and cameras are managed by the sub station program. The system provides services by using Web Services. The problems appeared in the test run of the system are analyzed. The solutions which solve the problem are proposed. The controlling system can meet the needs of the enterprises. The proposed system has good openness and expansibility.
Research on Software Security Vulnerability Discovery Based on Fuzzing
Authors: Li Tong , Huang Xuan , Huang Rui
Published: September 2014

Nowadays, fuzzing is one of the most effective ways to identify software security vulnerabilities, especially when we want to discover vulnerabilities about documents. According to the principles and ideas of Fuzzing, a vulnerability discovery system named WFuzzer is developed. This system can overcome the disadvantage of old ways; it also effectively improves the detection of potential unknown security vulnerabilities. This system is more automated and performs better in finding new security vulnerabilities.
Study on the Host Security Protection in the Internet Environment
Authors: Zhuang Li Juan
Published: September 2014

In the context of the rapid development of Internet technology, information security is particularly important, especially at present there is growing incidence of attack targeting at the host and a variety of attacking means, which does a lot of harm. To do preventive work well is to figure out what risks threatening the host and formulate timely and effective measures to protect the host.The first computer in the world came out in 1946 in the USA. With the birth of this computer, the computer technology of humankind has made spectacular development for more than the last half century and penetrated into all aspects of our lives till today. Compared with traditional means of communication, the Internet has greatly facilitated our lives, which led to the growing dependence on the Internet as well. While technology is a double-edged sword, the Internet information security is also very acute problem, which greatly troubles people’s work and life. As the most fundamental part of a computer system, the host security problem draws people’s attention in particular.
Temporal-Spatial Information Fusion Method of Fault Diagnosis Based on Clustering Means Centralization
Authors: Jin Jian , Chen Guo Chu , Xu Yu Fa
Published: September 2014

Aiming at the uncertainty of fault signal and strong nonlinear trait of fault features,A Temporal-Spatial information fusion method of fault diagnosis is presented based on clustering means centralization. Extracting multiple template models from different types of fault,the means of which is regarded as the base point of certain clusters. Calculating the Euclidean distance between the fault features to be detected from different sensors and base point of all clusters,the reciprocal value of which is normalized to be Basic Probability Assignment (BPA) of every fault. With a period of continuous observations, multiples of BPA are combined with Dempster rule in every group of sensors in the time domain,then the results of every group combine again to get the final diagnostic results. Finally the case of motor rotor shows the effectiveness of proposed method.
Two Typical Symbols in Human-Machine Interactive Interface
Authors: Li Chun Fu , Shi Hui Ting , Huang Jing Jing , Chen Lu Ying
Published: September 2014

In the modern Human-Machine interactive interface, symbol is used to express ideas, and is an important component of information visualization. By analyzing the style of interface design of "skeuomorphism" and "flat" that are two typical symbol designs, we analyze the differences between them, find out the user cases of these two symbols, and explore the future trends of the basic theories about symbol in the contemporary interactive interface. The experimental results show that skeuomorphism is different from flat in terms of five aspects including identity, interest, timeliness, familiarity, and simplicity. At last, we expect our research to provide guidance for the design of interface icons.
Deep Study and Improvement of the Globally Convergent Version of MMA
Authors: Guo Li Hua , Tang Wen Cheng
Published: September 2014

The globally convergent version of MMA (GCMMA) is deeply studied in this paper. Based on 3-bar truss structures, the advantages and disadvantages of the rules for updating the parameters are analyzed. The factor that makes convergence rate slow is found. Then the improvement measure by using two points approximate optimization for reference is put forward to speed up convergence rate. Finally by application on structural optimization of a truss, improved GCMMA can converge to the global optimal solution. Meanwhile, the convergent rate of improved GCMMA is significantly faster than GCMMA.
State Attainability Analysis of Petri Net with Discrete Time Span
Authors: Zhu Yu , Yang Zheng Lei , Cao Ji Ping
Published: September 2014

When a event must be occur in a series of time span, it will not be fit enough to exhibit system’s time speciality if we use existing time Petri net. Thus, This paper propose a discrete time span Petri net (DTSPN) on the base of time Petri net which using to solve modeling of real system with restrict time span., emphasize on the analysis of state attainability, based on the algorithm of distinguishing model’s valid transaction sequence, a new algorithm about state attainability aimed at DTSPN is proposed, the simulation and analysis capability of Petri net is improved. Finally, example’s analysis indicate that discrete time span Petri net is valid in modeling of real system.
Application of Grey Model Theory to Forecast Flight Training Time
Authors: Wen Jun , Duan Hai Feng , Sun Shu Xia , Li Ming Xing , Lv Jian Fei
Published: September 2014

Grey model GM(1,1) is applied to forecast flight training time. The discreteness of originality data is overcome and the high-precise predicted result is received under the condition of a small amount of data. This paper takes a short-term forecast flight training time of Civil Aviation Flight University of China (CAFUC) by using grey system theory. With a comparison of the actual data to the forecast result, it is proved that using grey system theory to forecast the flight training time of Civil Aviation Flight University of China is feasible with relatively high prediction accuracy.
Gas Dynamics in a Counterflow Cyclone with Conical Nozzles on the Exhaust Pipe
Authors: Vatin Nikolai , Strelets K.I. , Kharkov Nikita
Published: September 2014

Countercurrent cyclones have been quite widely applied in various industries [1-12]. In this paper, on the example of classical construction of countercurrent cyclone considers the impact of the conical nozzle on the exhaust pipe to the gas-dynamic picture and efficiency dedusting.
Dimension Reconstruction Optimize Chaotic Ant Swarm Algorithm
Authors: Mao Guang Xiang
Published: September 2014

This paper focus on the optimization method for chaotic ant swarm algorithm, we proposed the dimension reconstruction method for chaotic ant swarm algorithm. When using the chaotic ant swarm algorithm for multi-dimension function optimization, it’s easier to convergence to local minima than global minima, the dimension reconstruction method can deal with it. In this paper, a specific example is calculated with the optimization method and original method, the results show that the optimization method can control the overall search process to the optimal value, and the optimization method can search the precision value.
An Integrated Approach to Correlated Multi-Response Optimization
Authors: Zhou Sheng Nan , Wang Jian Jun
Published: September 2014

As the manufacturing problem grows more complexity, particularly in the situations where the correlation and goal conflict among multiple responses need to be considered simultaneously, conventional optimization algorithms may fail to find the global optimum. In this case, an alternative approach is proposed that using grey relational analysis (GRA) in conjunction with principal component analysis (PCA) to obtain the grey relational grade (GRG), and using BP neural network to construct a process model. Then, the optimal parameters setting can be obtained by using a hybrid approach combined the global search advantage of genetic algorithm (GA) and the local search advantage of pattern search (PS). Finally, an example from the literature is illustrated to confirm the feasibility and effectiveness of the proposed approach.
Research on Improved Genetic Algorithm
Authors: Wang Xiao Yu , Yang Yong Hui , Li Shuo , Gao Chuang
Published: September 2014

An improved genetic algorithm for the function optimization of multi-core embedded system is proposed. A number of chromosomes that distribute uniformly in space are generated by the algorithm randomly. Each chromosome is randomly coded and a new one will be generated by mutual calculation. After continuous elimination and circulation, the optimized chromosomes can be selected. The improved algorithm makes the mutation offspring have the opportunity to be the next parent with the increase of mutation. It enhances the parent diversity, increases the crossover rate, activates crossover between the parents and has chance to access to the best solution. The efficiency and cost reduction performance are improved. The different tasks will be distributed in parallel to available processors so as to meet the real-time requirements.
Research on the Influence Mechanism of After-Sales Service Model to Remanufacturing Technology Transfer in Green Supply Chain
Authors: Cao Jun , Liu Li Sha , Xiong Yu
Published: September 2014

The remanufacturing after-sales service of green supply chain requires OEM (original equipment manufacturer) and remanufacturer (his dealer) to collaborate closely. In this paper, two after-sales service models were proposed with an OEM and a remanufacturer. The optimal remanufacturing technology transfer and the influence mechanism were analyzed. The results suggested that: in dual channel model, the rising proportion of technology transfer promoted the development of remanufacturing market. Technology transfer ratio of single channel model rising resulted in different development tendencies of the remanufacturing market. For dual channel model, the Chinese government should not only encourage manufacturers to transfer manufacturing technology, but also encourage OEM to shift profit model from traditional profit model of the new-part sales to technology development and services. However, in single channel model, the government should encourage OEM to transfer more manufacturing technology to promote the remanufacturing market prosperity.
Research on the Construction of Smarter Campus System Based on Mobile Phone M2M
Authors: Wan Liang , Deng Zhao Hui
Published: September 2014

As the development of the Internet of things and the application of M2M, smarter campus ushers in new era. This paper proposes the smarter campus system architecture based on the mobile phone M2M. It consists of four levels, two systems, two platforms and N APP. And points out the key technologies of this system construction: sensing and communication, storage and security and system integration and application services. aims to explore a kind of mode of digital campus as "if we have mobile phone all in one, we can walk through the campus", so as to realize the ubiquitous network study, the integration innovation of scientific research, transparent and efficient school management, rich and colorful campus culture, convenient and thoughtful campus life.
Analysis of Spare Model in Equipment System Based on Probability of Spares Sufficiency
Authors: Wang Hong Yu , Chen Shou Hua , Wei Yan Yan
Published: September 2014

Firstly, the concept of the probability of spares sufficiency is present. Considering of the probability of spares sufficiency of a single spare, an optimized mathematical model of the probability of spares sufficiency of system is set up by the way of flow (Poisson process) composition. The model indicates that the affect of spare sufficiency is correlative with the failure rate of parts by weight coefficient. Lastly, applicability of the model in equipment system is further discussed.
Framework of Order Planning and Scheduling System for MTO Enterprise
Authors: Nie Li , Wang Xiao Gang , Liu Kai , Pang Chang Tao
Published: September 2014

With the increasing competition in the market, more and more enterprises change their manufacturing policy from MTS to MTO, which gives rise to the challenge to generate suitable order planning and scheduling rapidly and economically. In the paper, based on the analysis of order processing procedure, a system framework of order planning and scheduling for MTO enterprise is presented. The system’s validity is indicated by a case study. It is shown that the planning and scheduling system can provide comprehensive management for the production process of order.
Multi-Hierarchy Relevance Model of Cloud Manufacturing Resource Based on OWL
Authors: Du Bai Gang , Guo Jun , Tang Hong Tao , Li Xi Xing
Published: September 2014

Aiming at the diversity and heterogeneity of manufacturing resources in cloud manufacturing, the multi-hierarchy relevance model (MHRM) based on category and environmental level was proposed. Moreover, the OWL was used to describe the cloud manufacturing resources. Finally, cloud manufacturing resource ontology instance was built by Protégé.
Research on Decision-Support System of CBR Armored Equipment Maintenance
Authors: Li Hao , Zhang Yao Hui , Han Chao Shuai , Zheng Yi , Li Lin Hong
Published: September 2014

In order to solve the problem that the level of armored equipment maintenance cannot be content with the maintenance demand and improve the decision ability at the same time, the paper attempts to integrate the date warehouse with the case-based reasoning to establish the decision-support system, providing support for armored equipment maintenance,and researches on the key points at the last.
Research on Repair Time Modeling in Virtual Maintenance Simulation
Authors: Wang Yu Quan , Han Chao Shuai , Liu Wei Wei
Published: September 2014

In view of the current situation of being unable to simulate repair time in virtual maintenance simulation, decomposing the repair process to repair therblig layer, and the new concept of repair therblig standard time is introduced, then developing the repair therblig time auxiliary system used for Jack, which realizes the statistical product repair time in virtual environment. This method provides significant reference value for paralleling maintainability quantitative parameters verification in product development stage.
The Research on the Evaluation of Equipment’s Dependability
Authors: Han Xiao Hai , Zhang Yao Hui , Wang Shao Hua , Zhang Guang Ming , Wang Shuai Shuai
Published: September 2014

This paper evaluated the equipment’s dependability by the way of analytical method, and built the model of it. Combined the equipment’s historical data of use and detection with the current condition, it predicted the mission reliability of units by the way of fuzzy predictive. Then the equipment was departed into the part which is repairable and the part which could not. After all of this, the dependability of the two parts was evaluated. In the last, an example was showed.
Extracting Product Quality Information Expressed by Customers from Web Forum and its Applications
Authors: Zhu Fan Fan , Xu Xin Sheng
Published: September 2014

Topic forum always contains abundant product information such as requirement, quality, and evaluation. It is very significant to use these information in product development and management. Aiming at the product quality issues during its use, a method of extracting product quality information expressed by customers from web forum was presented. The content and its hybrid structure of product forum were analyzed. And the parse form in XML was presented as well. On the basis of these, the technology architecture of extracting product quality feature words from forum was proposed. In addition, the chronological characteristic and probabilistic characteristic among feature words were researched with the consideration of the position, time, and its number of feature word in sentence or forum respectively, and the calculation models of them were constructed as well. Then the connectivity relations among feature words were established. As a result, the key factors that affect product quality can be inferred based on it.
Improving the Flow of Information from the Bidding Process for Public Works Aimed at Achieving LEED Certification
Authors: Richter Karoline , de Paula Lacerda  Santos Adriana , Sotsek Nicolle Christine , Lacerda Santos Filho Mauro
Published: September 2014

This work aims to improve the information flow diagram of the bidding process of a work in progress of an University Federal (UF) from Brazil aimed at obtaining environmental LEED certification. The research was divided into two parts, the first a review of literature regarding the LEED certification was made​​ and in the second part of field research was conducted in the site of UF. The conclusion of study indicates that the government is able to make buildings with more sustainable criteria, even the systems of environmental certification. However, the main intervention must come from changing interest by managers of UF and especially their awareness regarding the importance of the subject.
Research on Evaluation Method of CNC Gear Form Grinding Processing Performance
Authors: Wang Hui Liang , Xiong Yu Quan , Yang Jian Jun , Xu Kai
Published: September 2014

To analyze the machining performance of grinding machine and improve the quality of tooth surface, this paper proposes an integrated model of processing performance evaluation of computer numerical control gear grinding machine. Based on the gear profile grinding machine kinematics principles, the topology modification formulas of tooth surface were deduced. Calculated the process capability index according to experimental data and found that the tooth surface errors were followed normal distribution. The main reason of formation errors was analyzed by cause and effect diagram. Finally, the validity of this integrated model of processing performance evaluation is numerically demonstrated using CNC gear grinding machine.
Study on Multi-Specification Small-Batch Line Balancing and Optimization Base on the Streamline Balancing
Authors: Xiao Ji Jun , Ou Shu , Zhou Qing Hua , Dong Hao
Published: September 2014

Based on the principal concepts of streamline balance, this paper analyses the issue of the line balancing, through analyzing traditional assembly line balance method and having the bottleneck work processes to amend the parameters of the Workplace design, and then building up a multi-variety small-batch production line balancing mixed-model.
Discussion of Pallet Transportation and Lifting Method for Integrated Construction Technology
Authors: Liu Quan Gang , Guo Ning , Wang Jun , Lian Xin , Zhang Ping
Published: September 2014

Integrated construction technology is widely applied for offshore modules these years, which contains multiple disciplines works such as structure, mechanism, piping, coating, electricity and instrument, etc.. Herein, this technology puts forward new requirements in pallet transportation and lifting process due to uncertainty factors. Therefore, it is highly significant to come up for a detailed discussion at application of offshore module integrated construction technology. This paper particularly depicts some key technologies in transportation and lifting process, including synchronous jacking system, trailer, confirmation of pallet weight and center of gravity, padeyes, clash check of lifting and so on. This paper proposes referring transportation and lifting methods in integrated construction, and it will greatly benefit for offshore module construction.
Research on Framework System for Product Lifecycle Knowledge Reuse
Authors: Feng Quan Hua , Zhang Shao Qing , Song Yu Qing , Yin Zi Chao
Published: September 2014

As we all know, the whole life cycle of product knowledge reuse is the key to responded to market demanding, according to knowledge reuse of current research situation, this paper propose the idea of green of knowledge reuse and designs a green framework for the whole life cycle of knowledge reuse system. Accordance with operating mechanism of knowledge reuse system, we put forward a newly feasible structural framework for the knowledge reuse system. Applying for the software development platform of PowerBuilder and the database platform of SQL Server 2005 , we develop a prototype system of knowledge reuse.
Creative Thinking in Product Innovative Design: A Handcuff Case Study
Authors: Zhang Jie , Bi Ling Xia
Published: September 2014

In today's era of the pursuit of personalization, the range of product is greatly enriched. Thus, enhancing the level of product innovation and design capabilities is the inevitable requirements of the new era. Based on the bifurcation theory, people’s thinking state in the innovative design process of a product was analyzed. Some innovative design methods that commonly used in modern design theory were introduced.Based on a product design example, two innovative design methods were respectively carried out to realize the design of new products.
Residual Vibration of Flexible Exponential Cam Curves
Authors: Bu Fan Hua , Zhang Yue Ming , Liu Zhao Miao
Published: September 2014

The residual vibration of cam curves is analyzed. The displacement of residual vibration is computed by Duhamel method. The comparison of the residual displacement between the flexible exponential cam curves, the modified constant velocity curves, the modified trapezoidal curves, and the modified sine curves is done. The residual vibration of the flexible exponential curves is smallest.
Multi-Stage Combination Prediction Model of Technical Condition Parameters of Equipment
Authors: Zhang Shi Xin , Zan Xiang , Zheng Yi , Liu Yan Chao
Published: September 2014

Technical condition parameters prediction is one of key steps in CBM (Condition based Maintenance). As disadvantage of traditional methods, Base on theory of combination prediction, combining with Delay Time and two-stage prediction model, multi-stage combination prediction model is proposed. The model can solve the problem that complicated rule of variation in equipment condition and uncertainty characteristic. Through lubricating oil analysis and correlated prescribing, operation phase of equipment is parted. At the same time, every method adapt to every stage is found. The result shows the model works well and effectively.
Mine Hoist Process Management System Based on B/S Structure
Authors: Jia Xian Zhao , Chen Teng Fei
Published: September 2014

The paper from the practical needs of a heavy machinery enterprise, investigated the mine hoist process design and management process and in-depth analysed of the main problems existing, proposed the solution of mine hoist process management system based on B / S structure, and used IDEF0 method to establish the overall functional model of the system, designed system function modules and database, finally usedASP technology to achieve the system.
Research on Quality Evaluation Index System Based on Representative Equipment Maintenance Process
Authors: Li Ai Min , Zhang Li Jun , Dong Yuan Sheng
Published: September 2014

This paper analyses the necessity of building the evaluating index system for repair quality of representative equipment. This paper studies its repair process, and gives the principle of founding the index system. And then combine with the repair in facts, it establishes the evaluating index system and gives the counting methods and meaning of the basic index at last.
Research of Impact of Capital Allocation on Chinese Manufacturing Industry
Authors: Xu Ke , Guo Wei
Published: September 2014

Among the literature on the impact of different capital sources on economy, most of them focus on one capital source or study this impact from a perspective of factors of production. Therefore, we plans to classify those capital factors according to their sources, and study empirically the specific impact of different capital sources on our country’s economic development. The results suggest that from the contribution of various funding sources to GDP appears, the linear relation between self-financing and other investment and GDP are most significant, and their contribution to GDP are also the most; for GDP of the whole country, the contribution to GDP of national investment is positive, while domestic loan’s contribution to GDP presents negative.
Solar Power Supply in the System of Restoration and Reconstruction Remote Historic and Cultural Objects (on the Example of Montenegro)
Authors: Murgul Vera , Vatin Nikolay , Aronova Ekaterina
Published: September 2014

There is a great number of historic and cultural monuments on the territory of Montenegro, which should be preserved and maintained. Their distance from centralized networks and the lack of conditions for restoration make difficult to maintain them properly. The article puts forward the options for architectural incorporation of solar power systems into the appearance of historic buildings and structures. In the article is proposing the configuration of electrical systems based on the results of the calculation of one energy source (solar/diesel plant) and their combination.
The Study on Tiered Tap Electricity Price Based on the Price Packet Service
Authors: Zhang Xin , Huang Qin Zhen
Published: September 2014

Under the condition of global energy crisis and environmental degradation, the electric power industry which supports the development of economics and society is facing the unprecedented challenges and opportunities. There is no doubt that we should save energy and decrease the emission. A method to study the tiered tap electricity based on the price packet service is proposed in this paper. Firstly, the analysis of tiered tap electricity price without any constraints .is introduced. Then, we set a mathematical model combining the research on the tiered tap electricity with the price packet service of communication industry. In this part, we set some proper parameters in order to set the mechanism of price packet service . Finally, we give an example to illustrate the effectiveness of the models built in this paper.
Environment Analysis of the High Technology Industry in China
Authors: Su Zhao Rong
Published: September 2014

At present, the situation of world economic is grim. On the one hand, countries constantly adjust strategic policies to promote economic growth. Regression of the manufacturing is put forward in developed countries for the increase of employment. On the other hand, countries actively cultivate new economic growth points and compete for strategic high ground. Then the trade protectionism is increasing. The export products of our country suffer the anti-dumping and anti-subsidy and the friction has spread to the high technology fields. In reaction to this phenomenon, the reason would be analyzed in this paper, and the countermeasure and suggestion for the trade friction will be put forward. Therefore, the innovation ability need promote and the industrial transformation need realize. Meanwhile, a good environment for innovation need create and enterprises innovation need encourage.
Using Plastering Machines to Improve the Efficiency of Finishing Works
Authors: Vatin Nikolay Ivanovich , Gamayunova Olga Sergeevna
Published: September 2014

Plastering works are a sophisticated technology and using of a large amount of manual methods. Despite the development of mechanization, the amount of manual operations of plastering work remains significant and in some cases up to 60%. The article describes the methods of production of plaster works, as well as promising directions of development that improve the efficiency of finishing work in the construction of residential and public buildings.
Research of Teacher Education Technology Capacity and Training Modes
Authors: Li Bo
Published: September 2014

This article first defines the meaning of educational technology and the ability of educational technology is divided into five levels, and the hierarchical structure of a rational argument; then to primary and secondary schools in the region for the sample of students and teachers conducted a survey to find out the ability of educational technology in the school and their teachers feedback on the training focuses on the training mode, this proposed training program for school teachers. Discussion on the training mode, the paper proposes a "complex method" training mode from the macro, in the form of centralized training and school-based training combined with training and noted that currently favored by teachers is still focused on face-linear form of training, but with the development of technological capabilities to improve teacher education and online education, the paper forecasts the network remote training will become a mainstream mode of training.
Activities of Civil Engineering Institute to Attract Foreign Students for Training in Civil Engineering Programs
Authors: Arseniev Dmitriy Germanovich , Rechinskiy Alexander Vitalievich , Shvetsov Konstantin Vladimirovich , Vatin Nikolay Ivanovich , Gamayunova Olga Sergeevna
Published: September 2014

St. Petersburg State Polytechnical University - Russian and world leader in higher engineering education. In 2010 he received the status of a national research university. In 2013, the Polytechnical University among the 15 universities of Russia, who won the competitive selection for the right to obtain a grant of the Ministry of Education and Science of Russia in order to increase their competitiveness among the world's leading research and education centers. Thanks to the activities of the Program “5-100-2020” St. Petersburg State Polytechnical University in 2020 should enter the top 100 QS World University Rankings.The article discusses one of the ranking criteria QS - the proportion of foreign students - on the basis of activities of the Program “5-100-2020” and activities Civil Engineering Institute of Polytechnical University on attracting foreign students. Considered activities such as increasing the number of international educational programs in English, participation Civil Engineering Institute in international educational exhibitions, partnerships with universities and abroad, primarily belonging to the rating of universities QS 500.
Strain Gauges Applied to the Lightweight Structures Modal Testing
Authors: Jiang Xu Chu , Mao Kuan Min , Li Bin , Yin Ling , Xiao Wei Wei , Tong Li Jun , Chen Qi Bing
Published: September 2014

Dynamic characteristics of the structure have a significant effect on the performance of the structure. Modal test is a common method to obtain structural dynamic characteristics. However, due to the mass effect of the transducer, the measured results of lightweight structure are inaccurate. This paper proposes using strain gauges to test the mode of lightweight structures, and we take the cantilever beam as an example. The paper derived strain modal expressions. We use the strain gauges, the accelerometers and the finite element simulation to test the modal of the cantilever. To compare and analyze the experimental data, it illustrates that the strain modal test methods can measure the bending mode of the beam effectively.
Relevance of Education in Construction Safety Area
Authors: Vatin Nikolay Ivanovich , Gamayunova Olga Sergeevna , Petrosova Daria Vladimirovna
Published: September 2014

Construction refers to a number of industrial processes with increased risk. Every year on the construction objects there are many accidents. Big amount of accidents have some reasons, including the organizational and related to the lack of knowledge in the field of safety. The article discusses the relevance and options for education in the field of security in the construction. Would be particularly useful experience of foreign construction companies and training centers in construction safety area.
Heat Transmitting Research on Fresh Water Cooling System of a Self-Elevating Drilling Unit
Authors: Liu Yun Xin , Wang Qiang
Published: September 2014

To ensure fresh water cooling system in a certain self-elevating drilling unit to work securely, the pipes of fresh water cooling system, which are immerged in ballast water tanks, are analyzed and designed by means of convective heat exchange and heat conduction. The calculated results show that it’s unnecessary to adopt insulating measures for the pipes of the fresh water cooling system exposed in sea water, and it saves cost for shipyard and ship owner. The references are afforded to the design of fresh water cooling system in the process of self-elevating drilling unit shipbuilding in the future.
The Influence of Initial Structural Density Value on Results of Multi-Material Topology Optimization Problems
Authors: Cui Ming Tao , Chen Hong Fang
Published: September 2014

We discover that the given initial structural density value has significant influence on the final result of multi-material topology optimization when adopting the SIMP interpolation scheme. The influence cannot be ignored if the grid is sparse, and there is a certain degree of periodic relationship between the structural minimum compliance and the given initial density value. By modifying the initial structural density value, a better topology optimization result with a smaller compliance can be obtained. The expression is proposed on how to modify the initial structural density value to get better results in multi-material topology optimization problems.