bluuebunny/crossref_metadata_2025 huggingface dataset:
Building a Relationship with Ethnic Consumers
Authors: Panero Cinzia Maria Rita
Published: November 2014

In recent decades many Countries have become multicultural societies. Many researchers have stressed the relevance of understanding the ethnic cultures and their impact on consumption behaviors and marketing practices. This is even more true in Countries that only recently are facing the presence of ethnic minorities. This article aims at analyzing the beginning of the relationship between indigenous retailers and immigrants. After a review of relevant literature in the area of ethnic consumer behavior and retailer marketing strategies, this article analyzes a case study, involving an Italian large-scale retailer, and its project aiming at targeting ethnic consumers. Issues and implications are then discussed.
An Exploratory Study of Government Websites Usability in Jordan
Authors: Al Fawwaz Bader Methqal , Garaj Vanja , Balachandran Wamadeva
Published: November 2014

The level of usability of the current eGovernment infrastructure in Jordan was investigated by soliciting the views of the management, i.e. the professionals in charge of managing eGovernment projects. The management was addressed in order to gain an understanding of the root causes of the existing usability problems. The study was based on questionnaire which distributed to 37 managers from different institutions providing eGovernment services. The findings show that the main problems undermining the Jordanian eGovernment usability are: 1) the lack of the general usability awareness amongst the management, 2) the lack of clear usability standards and guidelines, 3) the insufficient level of end-user involvement in the process of design and maintenance of eGovernment services, 4) limited budgets and 5) the lack of expert web-designers. Unearthing the views of those in the position to make a change, these findings are useful not only in the context of redefining the strategy for improving eGovernment in Jordan, but also in other developing countries.
The Visual-Cognitive Model for Internet Advertising in Online Market Places
Authors: Idemudia Efosa C.
Published: November 2014

Social media and online firms are currently facing severe challenges generating revenue through online banner ads, and for two decades, current studies in the information systems, advertising, and marketing literature have shown that online banner ad click-through rates are decreasing steadily (Idemudia, 2014; Idemudia et al., 2007; Li et al., 2012). To address these issues, the Visual-Cognitive (VC) model has been developed for online market places and Internet advertising. An experiment was conducted in which independent variables such as familiarity of online banner ads, perceived security of online banner ads, and matches between web users' needs and banner ad content were manipulated. The theoretical background for the VC model is the Visual Perception Theory. The VC model shows that perceived usefulness of online banner ads has a positive and significant effect on the intention to click online banner ads. Also, the VC model shows that perceived security of online banner ads, matches between web users' needs and banner ad contents, and perceived familiarity of online banner ads have positive and significant effects on perceived usefulness of those ads. These findings strongly support the Visual Perception Theories. Thus, the VC model has significant research and practical implications relating to social media and online firms.
Multicultural Considerations for Curriculum Developers of Online Courses
Authors: Sargent Beth , Gautreau Cynthia , Stang Kristin
Published: November 2014

Grounded in the dimensional model of national culture, the purpose of this literature review was to investigate (a) the cultural impact of globalization on online instruction (in particular Eastern and Western beliefs and values), (b) the knowledge needed by curriculum developers (i.e., instructional designers and online instructors) to create multicultural appropriate content, (c) the identification of appropriate design strategies to promote cultural inclusion; and (d) cultural and functional priorities in the global workplace. Findings from the review of pertinent literature were used to create six guidelines appropriate for curriculum developers who design content for multicultural audiences. These guidelines are intended for online curriculum developers as they design coursework using multicultural design strategies.
Selected Problems in Using Round Timber in Building Structures
Authors: Lokaj Antonín , Klajmonová Kristýna
Published: November 2014

The content of this paper are possibilities of using round timber in various public facilities structures (e.g. children ́s playgrounds) and in engineering constructions (e.g. watchtowers, bridges and footbridges). Specific problems of designing round timber structures, mainly in joints, are presented here.
Investment in Top Architecture and its Potential for the City
Authors: Baumannová Milada , Česelský Jan , Řezáč Miloslav
Published: November 2014

The aim of the article is an analysis of restructuring progress of two significant European, former industrial, cities with an approximately even number of inhabitants, which are centers of metropolitan territories about the same size and which dealt with redevelopment of extensive vacated, once industrial, areas in the city center at around the same time frame with emphasis put on assessment of the return on investment in the unique architecture and evaluation of its multiplier effect.
Historic Preservation and Planar Protection of Historic Seats in Olomouc Region
Authors: Rudolf Vlastimil , Peřinková Martina
Published: November 2014

The contribution is dealing with the historical reservations and zones, their declarations in historical seats of Olomouc Region and established conditions for their protection. The aim of this article is to describe the development of the planar historic protection in the historical seats of the mentioned region as well as the common and the diverse features for the protection and their practical performance.
The Fate of Former Military Complexes and Areas
Authors: Schleicher Alexander
Published: November 2014

We got already used to adapted industrial architecture as a reliable architectural setting for a museum or a cultural centre. Former industrial objects have the ability to provide expected architectural expression/expressiveness together with optimal functionality. The characteristic schematic profile of a factory as well as museum of art saw-tooth roof signifies a part of genetics the mentioned types of buildings have in common. What is the situation of former military objects and areas? Do they have a potential comparable to the industrial architecture? Military estates can represent an ideal donor of a spatial setting for cultural centre or a museum. We’re not dealing with a recent direction in architectural evolution – the project of sculptor Donald Judd in Marfa in American Texas begun to rise already in the 70-ties of the 20th century. Some time later the area Hombroich in Germany begun to develop and it has been systematically evolved since then until nowadays. In both cases we can see generous or even landscape-like defined areas based on their character. In 2013 open “Kulturpark Košice” realized within the “European Capital of Culture – Košice 2013” event represents a different point of view to this problematic. Not only has the design and the former adapted military objects a different dating but above all by its urban context in which it exists. In any case these examples of successful conversions show on one hand the potential of former military objects or areas that lost their former use on the other hand these projects are an inspirational perspective of how these forgotten or even seemingly dead buildings and areas can revive again.
Sustainable Development in Architectural Education
Authors: Urbášková Hana , Poslušná Iva
Published: November 2014

The Faculty of Architecture of the Brno University of Technology represents an art school at a technical university. Education of architects with the support of workshops, conferences, excursions, competitions and exhibitions has encouraged students' creative abilities, developed their independence and also their social responsibility and endurance. We pay close attention to ensure that the education acquired forms basic dispositions for activities which will fulfil all attributes of optimum formation of the environment and principles of sustainable development
40-Year Development of Ecologically Conscious Architecture in Slovakia
Authors: Križánková Alžbeta
Published: November 2014

The year 1973 was a breakthrough year in the development of architecture. It triggered a crisis in society as well as the end of a period of relative prosperity and wasting of energy, which until then did not constitute a limiting factor. The crisis has forced to seek a new and more efficient architecture. The following decades were each in their own way characteristic particular in how architects approached to reduce the energy consumption of buildings and how they resolved the relationship of the building to the surrounding and the environment at all. My paper maps ecological ideas in architecture in Slovakia on the background of broader context. Initial decade was about searching and experiments. Mainly theoretical and research projects appeared. In the following period, first projects implementing ecological ides were built, e.g. experimental residential house in Holíč or solar house in Levice. Ecological aspects in architecture ascended to the real centre of interest in Slovakia from the 90s. After the change of political situation, sustainability was perceived more intense, as evidenced by a greater number of ecological houses of this period. Alternative building materials as well as the effort to reduce energy consumption were the driving force to the design of new buildings. New ideas often associated with an endeavor to define an appearance of ecological architecture are observable in many buildings, e.g. clay houses or solar collector house in Zvolen. My paper documents the development of sustainable architecture in Slovakia from the first attempts to the standardization of sustainable architecture with characteristic examples of ecologically conscious architecture of mentioned periods.
The Development of Industry as a Condition for the Development of Urban Planning and Architecture on the Example of an Industrial Site in Podbrezova
Authors: Bellakova Eva
Published: November 2014

Adequate natural conditions, including good raw materials and energy base, are prerequisites for a development of industrial production. The industrial production in these areas causes a creation of a settlement dependent on industrial activities. In this way the development of the industry results into the social and cultural development of regions and settlements. This simple scheme of regional development is accompanied by the construction of technical, industrial and ultimately residential and public buildings. In particular, a good production potentiality is the common characteristic of the construction development. The impact of the industrial production on architecture and urban development is indisputable. The paper will present this dependence on the example of the most important iron producer in the former Kingdom of Hungary-Hronec complex. Ironworks in Podbrezova became the most important industrial site of the Hronec complex in the late 19th century and, today, it ranks among the European leaders in its field. The industrial area of Podbrezova has determined the urban development throughout its history. The urban and architectural development of Podbrezova in the second half of the 20th century fluently followed up the development of the previous period. As then, production facilities has remained subject to the changing conditions of the production and the surrounding urbanism has been determined in response to these changes. Podbrezova's spatial layout represents complementarity between the current production requirements and demands of the population. The ability to adapt to changing conditions has guaranteed that Podbrezova is still a viable and workable urban structure.
Sports Facilities – Analyses and New Trends
Authors: Hudec Martin , Rollová Lea
Published: November 2014

The possibility to carry out sports activities is one of the factors which increase the quality of life for the citizens of a city. The city of Bratislava ranks among the biggest places of sport activities in Slovakia. Most of the sport facilities were, however, built in the past century; therefore they do not fulfill the demands of technical condition, economic efficiency, do not meet the international criteria of professional sport and do not meet the broad spectrum of the modern sport activities, especially for the younger age group users. It is needed to modernize and build the new sport buildings in all areas of sport, at school sports, sport for all and also in professional and performance sport activities. In accordance with the new trends in design of sports facilities, there is a need to reduce servicing costs, to improve implementation of technologies that increase the quality, safety and economy efficiency. The priority is the creation of multifunctional or hybrid facilities, which can offer the widest range of activities to users. In this report, the survey of the condition of existing sports facilities in Bratislava and proposal for possible solutions to the revitalization or the design of new facilities with sport function is published. The combinations of different activities which are compatible and suitable for multifunctional facilities are also published here.
The Potential Influence of Progressive Construction Materials and Structures on Market Value of Buildings
Authors: Pasek Jan
Published: November 2014

Use of so called progressive materials and structures has been more and more common in architecture and building construction in recent years. We can simply describe them as materials and structures characterized in one or more characteristics with significantly above-average level of quality compared to materials and structures usually used today. The buildings where such elements are incorporated are usually characterized with higher value – architectonical, technical, economical, and environmental, or there was time and/or financial savings during their realization. Since the word ‘progressive’ is used in connection with whole range of construction materials, it is necessary to distinguish among them those which don’t really have such features. This paper is focused on the motivation of use of progressive construction materials and structures in buildings and their influence on market value, technical characteristics, and architectural level of the buildings.
Silver Nanorod Array Electrodes and their Application for Detection of Low Concentration Chloropropanol in Aqueous Media
Authors: Sun Li , Yuan Zhi Gang , Gong Wen Bang , Xu Zi Li , Lu Ji Jun , Zou Qing Hua , Wu Yu Qin , Wang Hua Fang
Published: November 2014

Silver nanorod array electrodes were prepared by a facile method. The characters of silver nanorod arrays were tested by SEM and XRD. The electrochemical activity of this electrode was tested in the 0.1 mol/L NaClO4aqueous solution using chloropropanol as analyte by electrochemical methods. The results of cyclic voltammetry show that silver nanorod array electrodes are good detector for low concentration chloropropanol in aqueous media and display a distinct reduction peak. It is more sensitivity than the bulk Ag electrode. Cyclic voltammetry and Warburg impedance measurements show that the action process between electrode and chloropropanol was controlled by the diffusion and the reaction is totally irreversible. In short, silver nanorod array electrodes show great potential in the determination of trace chloropropanol.
A Pilot Self-Sustaining Time Delay Safe Switch
Authors: Wang Hai Jun , Fan Yong Jian
Published: November 2014

We designed a type of pilot-operated self-sustaining time delay power on/off circuit which consists of a duplex switch, time delay circuit and a dual-coil, dual-contact electromagnetic logic control relay. We also depicted a dual-coil, dual-contact electromagnetic relay logic control circuit diagram dedicated to this design. Structures and specific couplings of the circuit were presented and analyzed. Functional analysis was also carried out for a variety of work processes performed on the circuit at static or dynamic state, and the results showed that the circuit, in addition to fulfilling its primary function for time delay shutdown of the main circuit, is also capable of automatically powering-off the control circuit and the control power supply when the device is left unattended. This design greatly meets the needs of current time delay control technology, and thus has a great commercial potential.
The Application of Fuzzy PID Control Algorithm in Variable Frequency Speed Regulation System of Glass Edge Grinding Machine
Authors: Deng Bing , Shen Guo Qiang
Published: November 2014

Aiming at the deficiencies of traditional PID control algorithm, the application of Fuzzy PID control algorithm is proposed in variable frequency speed regulation system of glass edge grinding machine. The design of fuzzy PID controller is presented in the paper. The paper not only introduces the system principle and models for inverter and AC asynchronous motor but also tells the principle of Fuzzy PID Controller and its design method. A simulation model including traditional PID Controller and Fuzzy PID Controller is established in MATLAB/Simulink. Through the analysis of the difference between the two controlling outputs, the better performance of Fuzzy PID Controller in response speed, accuracy and stability is proved effectively. The result can be used as important criterion to the practical application of Fuzzy PID control algorithm.
Design and Analysis of Transfer System in LED Auto-Insertion Machine
Authors: Yang Jie , Zhang Qi , Wang Xiao Jun , Zheng Bin
Published: November 2014

With the application of LED display, traditional manual insertion is unable to meet market demand. LED auto-insert machine solve the problems in manual insertion, such as workforce shortage, low efficiency, high error rate and so on. Based on depth study of LED insertion technology, a new automatic transfer system have been successfully developed in this project, which solve the problems of auto-sorting, polarity detecting, rotation adjusting and position adjusting. Compared with the existing transfer system, the new auto-transfer system improve the system accuracy and reliability, reduce the cost of research, and realize automatic transmission with high speed and high precision.
The Research on Preparation of Binding Material and Concrete with Desulphurization Gypsum
Authors: Tan Ping
Published: November 2014

The binding material and concrete are prepared by desulphurization gypsum, cement, stone, sand and admixture. The performances of binding material are studied in the paper. The experimental results showed that it is absolutely feasible to prepare binding material by using cement, desulphurization gypsum and superplasticizer after drying and screening of desulphurization gypsum. The binding material was prepared by adding desulphurization gypsum replacing 10 percent cement and superplasticizer. the cement micellae compressive and bending strength of the binding material can meet the standard requirements of P.O42.5 and the binding material’s set time and soundness are up to standard. The concrete was prepared by adding desulphurization gypsum replacing 30 percent cement and superplasticizer. The concrete’s strength is up to standard of the C30 concrete, and its impermeability meets the requirement of P12. To execute the research can not only massively use waste sludge desulphurization gypsum but also solve environmental pollution.
Numerical Investigation on Thermo Mechanical Behavior in Wet Multidisc Friction Pairs System
Authors: Hu Zheng , Han Ming , Song Zhen Chuan , Ning Ke Yan
Published: November 2014

In order to research the thermomechanical behavior of multidisc friction pairs system, three dimensional model is established for numerical simulation under simulated braking process. Based on some accurate boundary conditions, the temperature fields and thermal stress fields of friction discs and separator discs are simulated using finite element method. The temperature fields and contact stress fields of friction disc and separator discs are obtained, and their regularities of distribution are studied spatially and historically. To verify the simulation results, an experimental investigation is carried out. The results offered references for analyzing failure forms and causes of the wet multidisc friction pairs system.
Analysis of the Electro-Mechanical Responses of the Piezoelectric Motor Based on Finite Element Method
Authors: Wang Zi Lei , Qiu Tian De
Published: November 2014

The piezoelectric field and structure field of piezoelectric resonator of ultrasonic motor are intercoupling. It is difficult to obtain the solution under some circumstances because of the complex stress boundary condition and the influence of coupling effect. An electro-mechanical coupling finite-element dynamic equation is established on the basis of the Hamilton’s Principle about piezoceramic and elastomer. The equation is decoupled through the shock excitation of the piezoelectric resonator and the piezoelectricity element and material provided by finite-element analysis. As a result, an admittance curve as well as the distribution status of the nodal DOF is obtained, which provides an effective method to solve electro-mechanical coupling problems.
Research of Track-Type Full Feeding Combine Harvester Walking Design Scheme Based on Hydraulic Close System
Authors: Lou Xi Yin
Published: November 2014

Hydraulic technology is one of the key techniques of modern transmission and control. Closed type hydraulic power transmission system is weight ratio, fast action, easy to realize the advantages of flexible stepless speed regulation, flexible power transmission. In this paper, the closed hydraulic system of double bidirectional variable hydraulic pump and the bidirectional quantitative motor, the drive system for crawler type machinery, advantages, in the walking system design process can reasonable calculation and power matching, reasonable selection of power components, the universal value of engineering application.
Vehicle Ride Comfort Simulation Based on Virtual Prototyping Technology
Authors: Wu Bao Gui , Li Shao Ping , Yan Shu Fa
Published: November 2014

Vehicle ride comfort determines vehicle performance, affects the ride comfort and reliability. Aimed at the problems in establishing the vehicle dynamics model by traditional classical mechanical methods, the vehicle ride comfort simulation analysis scheme on the basis of virtual prototyping technology is put forward. Based on Multi-body dynamics, the virtual prototype vehicle model was established. According to the national standards, the vehicle ride comfort simulation scheme was designed, including the simulation test with sine wave excitation, the simulation test on triangular bump road and random uneven road. Through the test, the root mean square of weighed acceleration can be got and the evaluating process can be accomplished according to the ISO standard. The results show a good ride comfort of the testing vehicle. Virtual test provides a useful reference for the complex mechanical product design of physical prototype.
Numerical Simulation of Temperature Field on Different Surface Structure of Bicycle Brake Pairs
Authors: Wu Gang , Huang Can Chao , Qin Hong Ling , Zhao Chun Hua
Published: November 2014

Using the basic principle of heat transfer, tribology and numerical simulation, a two-dimensional heat transfer model of the three-layer composite brake pair materials were established. The temperature fields of brake pairs during the process of friction were analyzed. Applied given heat loads at different time node on the brake pair model, the temperatures of different bicycle brake pairs were compared and analyzed. Results show that the improved surface structures of brake pair have positive effect on decreasing the temperature of contact areas than that of ordinary surface structure.
Research on Energy Management Control Strategy by dSPACE Based Half-Practicality Simulation
Authors: Tu Qun Zhang , Zhang Xiao Chen , Pan Ming , Feng Xia , Zheng Wei Jie
Published: November 2014

In order to manage the power of electric drive system effectively and improve the fuel economy and working efficiency of electric drive tracked vehicle, this paper proposed a novel energy management control strategy based on the theory of threshold logic and fuzzy logic. The mathematical models of the key components of electric drive system were built in SIMULINK. To examine and analysis the efficiency of control strategy, a driver-controller based HILS (hardware-in-the-loop simulation) platform was built and the energy management control strategy was verified. The simulation results reveal that the strategy have excellent performance in energy distribution, fuel saving and working efficiency, and the proposed control strategy is simple and easy to realize in a real controller, which provides an effective method for the design and application of energy management control strategy of electric drive tracked vehicle.
Simulation Research on Motion Reliability of Joystick-Control Mechanism in Excavator
Authors: Tu Qun Zhang , Zheng Wei Jie , Pan Ming , Zhang Xiao Chen , Feng Xia
Published: November 2014

Motion precision is an important evaluating index to evaluate the quality of the mechanisms. On the premise of fully studying the motion of joystick in the excavator, a new kind of joystick-control mechanism is proposed. The dynamics simulation model of the mechanism is constructed by ADAMS, so the dimension error and initial angle error of joint in the installation is analysed. Random sampling method are adopted to simulate the error of position of two key points, the simulation of transverse and longitudinal swing of is completed, and the effect on the motion precision of joystick is compared which is made by error of each direction of two key adjusting points. The motion reliability of the joystick-control mechanism is calculated, combined with the stress-strength interference theory.
Experimental Study of Wheel Rotating Speed Effect on Electrical Discharge Grinding
Authors: Hu Bo , Lim Christopher , Ding Song Lin , Rahim M. Zulafif , Brandt Milan , Mo John
Published: November 2014

Electrical discharge grinding is used to machine polycrystalline diamond layer of cutting tools, which can effectively drill composite/titanium stacks in modern aircraft frames. In the machine, an electrode wheel is rotated to accelerate debris flushing to quickly recover the dielectric fluid between a spark gap. The aim of this study was to investigate the effect of the wheel speed on polycrystalline diamond removal rate for high erosion efficiency. Multiple wheel speeds were applied in a electrical discharge grinding machine under various pulse on-times and the volumetric removal rates were calculated by the precise position feedback of this machine over the time, which was obtained by the electrical waveform of discharges. The experimental results show that the removal rate increases with the wheel speed up to a limit at the low range and then declines at the high range. This indicates that the wheel speed needs to be optimized for high erosion efficiency under various discharge conditions such as different materials and pulse on-times.
Research and Design of the Temperature Control System of Crystal Annealing Furnace
Authors: Wang Hui Zhen , Yang Hai Ru , Chang Hong Jie
Published: November 2014

Herein, a novel fuzzy PID temperature control system was proposed based on the technological process and control requirement of the crystal annealing furnace. Simultaneously, the electric control system was also designed with SIEMENS S7-300 PLC as the master controller. The results indicated that the system has the merit of rapid response time, low temperature fluctuation and all of the test items could meet the requirement of the actual utilization.
Application of RPM in the Design and Manufacture of Mobile Front Cover
Authors: Chen Feng
Published: November 2014

Typical molding methods-Selective Laser Sintering (SLS) were presented on the basis of principle, formation, development of RPM(Rapid Prototyping and Manufacturing). Take mobile front cover as the example, the process of making sample used the method of SLS was introduced.RPM technology for rapid product development model, not only can improve the design quality and shorten the trial period, and can be modified at any time by CAD and re-validation, which has strong market competitiveness. RPM is a multi-disciplinary in a modern manufacturing techniques, will be more widely used in areas such as new product development. In short, rapid prototyping technology will be developed into a kind of technology can be adopted widely in enterprise, bring huge economic benefits to the enterprise and society.
A Study of Calculation Method for Finger Joint Angular Displacement Based on the Finger Inverse Kinematics
Authors: Qiu Shi Yin , Yuan Rui Bo , Wang Guan You , Ma Yong Da , Long Zhen Ling , Wang Lin , Zhang Zhen Jing
Published: November 2014

A simple method for measuring and calculating the finger joint angular displacement was proposed to serve as the basis for designing dexterous hand and rehabilitation robot hand. The direct kinematics model and the inverse kinematics equation of the finger were established at the beginning of this paper. Then, the trajectory of the fingertip, from which the coordinates of the fingertip were extracted by using AutoCAD, was captured by camera. Finally, the trajectory coordinates of the fingertip were substituted into the inverse kinematics equations to solve the angular displacements of the proximal interphalangeal (PIP), distal interphalangeal (DIP) and metacarpophalangeal (MCP) joints. The calculating precision testing of the finger joint angular displacement needs to substitute the angular displacements calculated before into the direct kinematics equations of the finger to calculate the trajectory of the fingertip. Then, the average Euclidean distance between the calculated trajectory and the real trajectory was computed to test the calculating precision of the finger joint angular displacement. The average Euclidean distance of each fingers is less than 0.05mm, which proves the high calculating precision of the finger joint angular displacement and the efficiency of the method presented in this paper.
Effect of Tractor-Semitrailer Velocity on Cornering Braking Stability
Authors: Li Chen , Song Shang Bin , Tang Ge Teng , Shi Hui Qi
Published: November 2014

A dynamic model of tractor-semitrailer cornering braking was established in this paper. The accuracy of the model was tested and verified by comparing model output with data of tractor-semitrailer test. By model simulation of the cornering braking process, initial speed such as 20km/h, 25km/h, 30km/h, 35km/h, 40km/h was chosen to analyzed the changing curve of braking distance, articulation angle, yaw rate and lateral acceleration. The result shows that during cornering braking of tractor-semitrailer, with the increasing of initial speed, braking distance greatly increased, articulation angle, yaw rate and lateral acceleration are all increasing. Thus, when braking in a turn, the vehicle speed must be reduced to ensure the stability of tractor-semitrailer cornering braking.
Calculation of the Pull-Out Force of Ni47Ti44Nb9 Shape Memory Ally Pipe Coupling
Authors: Zhou Jian Bang , Wang Ke Lu , Chen Qiang , Wang Guang Yuan
Published: November 2014

Investigation of mechanical state of shape memory alloy pipe-coupling had an important significance in engineering field. Theory of plastic deformation was used to analyze the coupling force in the tube connecting process of NiTiNb shape memory alloy, in this paper. Based on the analyzed results a mechanical modeling and formula calculation were carried out, the radial pressure of the SMA tube was calculated, in this paper. The results show that, when the temperature doesn’t reach to contact temperature, the pipe coupling of TiNiNb shape memory alloy has no radial pressure; when the temperature reaches to inverse martensite phase transformation temperature, the radial pressure increases; with the decreasing of temperature, the radial pressure increases a little. The radial pressure and push-out force increase with the increasing of the wall thickness. Thus, to improve the strength of connection, the wall thickness of pipe coupling can be properly increased.
Construction of Control Terminal on Intelligent Bus
Authors: Zhang Hai Xia , Cui Yin
Published: November 2014

Recently, intelligent bus system has been applied progressively in Medium-sized cities to solve the problems of traffic jam. The control terminal on bus, an important composition of Intelligent Bus System, is introduced in this paper. It adopt at91sam9260 as the core chip, connected GPS module and GPRS module by 232 serials port to realize bus stop Announcement, bus location, and data transmission. Through this device, efficiency is improved and traffic pressure is relieved.
Research on Multi Point Monitoring System of City Tunnel Sensor Based on D-S Evidence Theory
Authors: Gang Li
Published: November 2014

This paper discussed the sensor multi point monitoring method is through to more sensors to collect information monitoring to achieve urban underground long tunnel of real-time monitoring, can reduce energy consumption, and to establish a set of intelligent monitoring and diagnosis technology of health, it can be realized in the state of the health of the tunnel automatic alarm, the automatic alarm equipment failure, equipment performance condition to be automatic forecast, to ensure the healthy operation of tunnel long time.
Reliability Analysis of a Machining Center
Authors: Fang Kai , Luo Min , Chen Zhi Chu
Published: November 2014

For the field data of 10 sets of machining center from Shiyan Yixing Industrial Development Co., Ltd. application of statistical methods, the typical domestic machining centers are conducted a comprehensive analysis of reliability. By applying fault frequency and fault proportion primary-and-secondary Diagram, the fault parts and priority are classified and solved.
Leakage Diagnosis Method for Pipelines Based on Multi-Weight Neural Network
Authors: Chen Zhi Gang , Zhong Xin Rong , Xie Yi Dong
Published: November 2014

For reasons of low accuracy of traditional leakage, a pipeline leakage diagnosis method based on multi-weight neural networks is presented to recognized leak signal in city gas pipelines. By using analysis and modeling a multi-weight neural networks are established at normal node to simplify network structure. The Information entropy of leakage characteristic parameters of negative pressure wave was used as input eigenvector respectively for primary diagnosis. It has been applied for leakage diagnosis in city gas pipelines with the whole computational process done by a computer. Results of simulation and tests show that this method has its advantage in dealing with multi-coupled fault situations and is featured by a high probability of accuracy, which not only proves the method to be effective, but also provides a theoretical basis and a new way for leak diagnosis of other pipelines.
Analysis of the Knowledge Loss and Knowledge Grid Based on BP Neural Network
Authors: Hu Chun Hua , Liu Bing Feng
Published: November 2014

Knowledge resources are the key elements of the enterprise core competencies, and knowledge loss is easy to overlook the problems of enterprises, many enterprises have to pay this end expensive price, knowledge loss problem has become an important issue of the impact the survival and development of enterprises (especially in knowledge-intensive enterprises). Knowledge Grid research focus on intelligent information processing, its goal is to eliminate isolated island of information and knowledge, to realize the intelligent sharing of information resources and knowledge resources, avoid knowledge loss. From the research direction of knowledge loss and knowledge grid, this paper analysis knowledge loss based on BP neural network, discusses the open grid services architecture, knowledge grid services architecture, system architecture, in order to provide a reference for related research.
Solving Two–Sided Assembly Line Balancing Problem via Gravitational Search Algorithm
Authors: Wu Yi , Tang Qiu Hua , Zhang Li Ping , Li Zi Xiang , Cao Xiao Jun
Published: November 2014

Two-sided assembly lines are widely applied in plants for producing large-sized high volume products, such as trucks and buses. Since the two-sided assembly line balancing problem (TALBP) is NP-hard, it is difficult to get an optimal solution in polynomial time. Therefore, a novel swarm based heuristic algorithm named gravitational search algorithm (GSA) is proposed to solve this problem with the objective of minimizing the number of mated-stations and the number of stations simultaneously. In order to apply GSA to solving the TALBP, an encoding scheme based on the random-keys method is used to convert the continuous positions of the GSA into the discrete task sequence. In addition, a new decoding scheme is implemented to decrease the idle time related to sequence-dependent finish time of tasks. The corresponding experiment results demonstrate that the proposed algorithm outperforms other well-known algorithms.
Research on Green Electromechanical Product Design Based on Disassembly
Authors: Lou Xi Yin
Published: November 2014

Green electromechanical product is the core which protects the environment and resources. Design for disassembly is the main content of green electromechanical product design. Traditional electromechanical product design is chief considerations the effective use of assembly and material. It is not consideration the waste processing, and is an open-loop system. When it creates wealth for the mankind, electromechanical product produce a lot of wastes, and Cause a large number of resources waste. At present, the waste disposal costs are more increasing. Mechanical manufacturing enterprises have pay attention to effectively implement the recycling and reuse of materials. Green m electromechanical product disassembly is an important content of green design. In the product design stage, enterprise must put disassembly as design objective, considers product future reuse, efforts to improve the mechanical parts of the disassembly rate, form a mechanical product life cycle in closed-loop system. In this way, enterprises not only can save materials and energy, but also can reduce the pollution of environment.
Study on Functional Design of Chemical Disaster Emergency Response Robot
Authors: Wang Li Li , Zhou Wang Ping
Published: November 2014

In the face of chemical disasters, the emergency rescue team must adopt effective methods to comprehensively monitor and control the disaster site and rapidly and dynamically obtain the information of disaster site. Using robots can break through the limitation of complex chemical disaster site on human being, meet the requirements for rapidness, efficiency, accuracy and instantaneity, achieve access to information on the disaster site, give assistance to emergency rescue and realize scientific response decision. Starting from the rescue difficulty factors of chemical disaster site, this paper analyzes the advantages of emergency response robots, constructs the functional design pattern of emergency response robots and conducts the functional designs on emergency response robots according to characteristics of three typical types of chemical disaster site.
Application of BP-ARMA Combined Model Based on Entropy Method in the Prediction of Circle Beam Displacement of Foundation Pit
Authors: Hu Yu Bo , Shao Fei , Huang Ya Xin , Liu Ya Wen , Liang Jin Jun
Published: November 2014

The prediction of deformation of foundation pit’s supporting structure is the basis of construction control of deep foundation pit. Meanwhile, it is vital to the safe excavation of foundation pit. In the work, the 1st project of Huaqiao in Jiantao Square of Kunshan City is chosen. Besides, model of combination based on entropy method is built to predict the displacement of circle beam with BP neural network and ARMA time series model. Finally, the analysis shows that combination models improve overall prediction on the premise of better predicting accuracy. Thus, it is of practical value.
Characterization and Oxidation Behavior of Iron-Based Coatings Prepared by Supersonic Arc Spraying at 800°C
Authors: Liang Tian Quan , Yang Xian Fang , Wang Yi Li , Zhao Cui Hua
Published: November 2014

The characterization in microstructure, morphology and oxidation behavior of three iron-based coatings by Supersonic Arc Spraying (HVAS), were investigated by XRD, FESEM, EDS and thermal exposure in furnace in this paper. It is indicated that the three coatings are typical layer and compact structure. The coatings are composed of Fe (s.s) phase and kinds of ferric oxides, chrome carbides and/ or intermetallic phase distributing along the interface of lamellar layers. More Cr and Ti, Al elements can alternate the diameter and morphologies of the holes, resulting from the formation of oxides, carbides and intermetallic phase. The results indicate that SXTiAlC coating shows the most excellent oxidation resistance with 2.70 mg·cm-2 in mass gain, while that are 88.08 mg·cm-2 and 16.64 mg·cm-2 after 100 h thermal exposure at 800°C for LX88A and SXHCrA coatings, respectively. The oxidation behavior is discussed.
Determination on the Effect of Cutter Geometrical Feature for Machining Polyetheretherketone (PEEK) Using Taguchi Methods
Authors: Izamshah Raja , Husna Nurul , Hadzley Mohd , Amran Mohd , Kasim Mohd Shahir , Amri S.
Published: November 2014

This paper details the application of Taguchi method to determine the effect of cutter geometrical features for machining Polyetheretherketones (PEEK) thermoplastic. The planned experiment was conducted by using Taguchi’s orthogonal array taking into account the ball nose geometrical parameters such as helix angle, rake angle, clearance angle and number of flute. The measured response is the machined surface roughness, which is important for the component functionality. In addition, ANOVA was used to validate the percentage contribution of each factor. The obtained results reveals that, less number of flutes is the main factor contributed towards fine surface roughness for this thermoplastic. Fewer flutes provide a smooth flow of chip ejection and minimize the friction on the cutting zone which is vital for polymeric material such as PEEK. High helix and rake angles also influence the machined surface roughness as both angles provide optimum shearing force to produced better surface finishing. However, it is found that clearance angle is less significant on roughness since the function of clearance angle is to control the process damping and stability. The main conclusion of this study is that there is significant effect on the cutter geometrical feature on machining performance and thus conclude the need of special design cutter for effectively machining PEEK plastic.
Optimisation of Machining Parameters for Milling Polyetheretherketones (PEEK) Biomaterial
Authors: Raja Abdullah Raja Izamshah , Yu Long Aaron , Mohd Amran Md Ali , Kasim Mohd Shahir , Mohd Hadzley Abu Bakar , Sivarao Subramonian
Published: November 2014

Polyetheretherketones (PEEK) has been widely used as biomaterial for trauma, orthopaedic and spinal implants. Component made from Polyetheretherketones generally required additional machining process for finishing which can be a problem especially to attain a good surface roughness and dimensional precision. This research attempts to optimize the machining and processing parameters (cutting speed, feed rate and depth of cut) for effectively machining Polyetheretherketones (PEEK) implant material using carbide cutting tools. Response Surface Methodology (RSM) technique was used to assess the effects of the parameters and their relations towards the surface roughness values. Based on the analysis results, the optimal machining parameters for the minimum surface roughness values were by using cutting speed of 5754 rpm, feed rate of 0.026 mm/tooth and 5.11 mm depth of cut (DOC).
Effect of Pouring Temperature and Cooling Slope Length on Microstructure and Mechanical Properties of Rheocast A319 Aluminium Alloy
Authors: Salleh Mohd Shukor , Omar M.Z. , Syarif J. , Mohammed M.N. , Alhawari K.S.
Published: November 2014

Aluminium alloys are among the most prominent and well known materials used in automotive industries. Nowadays, many vehicles used aluminium engine blocks instead of cast iron to improve fuel efficiency. Among cast aluminium alloys, A319 grade alloys are normally used in automotive industries due to a combination of good fluidity and mechanical strength. In this study, A319 cooling slope rheocasting billets were produced in order to obtain near spherical morphology of primary aluminium phase. The change in the α-Al morphology upon the cooling slope casting was remarkable and the dendritic microstructure was almost replaced by α-Al globules and rosettes. The rheocasting billets were prepared for tensile testing at room temperature. It is found that, the yield strength and elongation of cooling slope rheocasting billets is higher than those from as-cast A319 alloy.
Thermal Reliability of Paraffin Wax Phase Change Material for Thermal Energy Storage
Authors: Lin Saw Chun , Al-Kayiem Hussain H.
Published: November 2014

Phase change materials (PCMs) as thermal energy storage medium are proven to be effective to enhance the performance of solar thermal system. The degradation of the thermal properties due to thermal cycles is changeable and accordingly the performance of the solar thermal cycle may decline. In this study, the thermal reliability of paraffin wax was investigated to analyse the ability to be used as thermal energy storage (TES) for solar water heating purposes that subjected to many phase change cycles. The mixtures were subjected to 400 phase change cycles and the thermal properties were measured. Two samples were prepared; Sample 1 was paraffin wax without phase change cycles whereas Sample 2 was gone through 400 phase change cycles. Four hundred phase change cycles indicated the phase change cycles for 1 year 35 days as 1 cycle equivalent to 1 day. The comparison of samples with and without 400 phase change cycles showed slight changes in thermal conductivity, specific heat, melting point and solidification point. Fourier Transform Infrared Spectrometer and Thermogravimetric Analysis showed that after 400 phase change cycles there is no weight loss observed. The paraffin wax is hence found reliable to be use without any degradation, without any chemical reaction and slightly improvement of thermophysical properties as TES for solar water heating purposes.
Variable Speed Vector Control for Induction Motor of Electric Vehicle
Authors: Emil Hasan Amilia , Hassan Haryani , Bugis Ismadi
Published: November 2014

This paper presents the speed performance of an induction motor by using a vector control. The control scheme used is an indirect vector control for define speed command. The main focus of this research is to observe on the dynamic speed performance of the induction motor when the command speed is given to the motor. In this study, the system of indirect vector control will be built by using Matlab Simulink. In fact, the expression of exciting flux linkage and electromagnetic torque are used to create a simple embedded system which to find out the effects of flux weakening in motor while, the gain of the speed controller is 100. The result shows that the vector control method will cause immediate the motor speed response with a small electromagnetic torque ripple. Furthermore, the output mechanical torque starts to decrease when the motor speed above the base speed to maintain a constant output power operation. This paper contributes a new algorithm to analysis the system when the speed motor is higher than a base speed.