bluuebunny/crossref_metadata_2025 huggingface dataset:
A Grid and Cloud Based System for Data Grouping Computation and Online Service
Authors: Li Wing-Ning , Hayes Donald , Baran Jonathan , Porter Cameron , Schweiger Tom
Published: November 2014

Record linkage deals with finding records that identify the same real world entity, such as an individual or a business, from a given file or set of files. Record linkage problem is also referred to as the entity resolution or record recognition problem. To locate those records identifying the same real world entity, in principle, pairwise record analyses have to be performed among all records. Analytical operations between two records vary from comparing corresponding fields to enhancing records through large knowledge bases and querying large databases. Hence, these operations are complex and take time. To reduce the number of pairwise record comparisons, blocking techniques are introduced to partition the records into blocks. After that records in each block are analyzed against one and another. One of the effective blocking methods is the closure approach, where a “related” equivalence relation is used to partition the records into equivalence classes. This paper introduces the closure problem and describes the design and implementation of a parallel and distributed closure prototype system running in an enterprise grid.
Community Practices to Improve E-Governance at the Grass Roots
Authors: Rahman Hakikur
Published: November 2014

Wide use of information technologies has lead governments across the globe to adopt the new nature of governance system for their citizens, businesses, and within the government structure. Governance systems nowadays do not only enclave simply the dissemination of government regulations and directives to their stakeholders, but also target to improve their knowledge and capacity. At the threshold, by putting the information technologies as a thrust sector for many years and with well adopted e-governance framework, several countries have achieved remarkable success. However, many of them, despite diversified efforts, could not put into the track mainstreaming electronic format of the governance system. This research feel that to improve the governance system, inclusion of grass roots participants are necessary and nurturing of community practices targeting to raise their knowledge and skills through an adoptive e-governance framework would enhance the process. As a case study, it put forward a case from UNDP, including hints on similar other cases.
ICTs for Improved Service Delivery
Authors: Hulela Keba
Published: November 2014

In Botswana the use of Information and Communication Technology (ICT) smart switch card system, an offshoot of the Universal Electronic Payment System (UEPS), was recently introduced. It is a worldwide communication device that is digital in providing information to the users. In Botswana, it serves to administer food and basic needs offered to the vulnerable people as one of the pillars of development in terms of catering for the needy. Furthermore, it is used to empower orphans, destitute, and HIV/AIDS home-based patients in the Social Safety Nets programs, replacing all the other strategies that were used previously. The previous program was a manual system whereby beneficiaries were getting their social grants through lining up at their district councils’ office doorstep for attendants to use the roll call. The old system demanded commercial businesses to tender for supply of items to the vulnerable population, but it posed some challenges and frustrations to beneficiaries and the government.
Paradigms, Science, and Technology
Authors: Boutellier Roman , Heinzen Mareike , Raus Marta
Published: November 2014

This chapter explores the concept of paradigms, science, and technology in the context of information technology (IT). Therefore, the linear model of Francis Bacon and Thomas Kuhn’s notion of scientific paradigms are reviewed. This review reveals that the linear model has to be advanced, and supports the adoption of Kuhnian ideas from science to technology. As IT paradigms transform business processes, a five-level concept is introduced for deriving managerial implications and guidelines. Within the case of e-customs, a European-funded project tries to ease border security and control by adopting a common standardized e-customs solution across the public sector in Europe. The rise of the IT paradigm within customs and its effect on business operations will be explained. This chapter contributes to the research in diffusion and adoption of innovation using science progress and the interplay of science and technology as dominant concepts.
Road Safety 2.0
Authors: Fink Dieter
Published: November 2014

The aim of this case study is first, to determine the extent to which web 2.0 can be the technology that would enable a strong relationship between government and its citizens to develop in managing road safety, and second, to examine the endeavours of the WA Office of Road Safety (ORS) in fostering the relationship. It shows that in ORS’ road safety strategy for 2008-2020, community engagement is strongly advocated for the successful development and execution of its road safety plan, but the potential of web 2.0 approaches in achieving it is not recognised. This would involve the use of blogs and RSSes as suitable push strategies to get road safety information to the public. Online civic engagement would harness collective intelligence (the wisdom of crowds) and, by enabling the public to annotate information on wikis, layers of value could be added so that the public become co-developers of road safety strategy and policy. The case identifies three major challenges confronting the ORS to become Road Safety 2.0 ready: how to gain the publics’ attention in competition with other government agencies, how to respond internally to online citizen engagement, and how to manage governmental politics.
Public Policy Makers
Authors: Sraha Gloria
Published: November 2014

Many governments use export promotion programmes as a tool to support firms transacting business outside their national borders. Export promotion programmes have the primary objective of getting firms acquitted with foreign market environments in competitive global markets. International markets are more developed and indifferent to national borders, making EPPs an important strategy for export growth in Africa. This chapter explores different export promotion programmes offered in sub-Saharan Africa and contribute to literature on international business. The increasing amalgamation of international markets and high global competition necessitates the adoption of EPPs as an imperative strategy in planning international business. This chapter enriches our understanding of EPPs and how public policymakers have expanded export capacity development programmes to impact knowledge in sub-Saharan Africa. The chapter underscores specific EPPs for utilization to improve export performance of firms in foreign markets and provides practical implications for exporters and public policymakers in Africa.
The Effects of Work-Family Conflict on Job Stress, Job Satisfaction, and Organizational Commitment
Authors: Efeoğlu I. Efe , Sanal Musa
Published: November 2014

The aim of this chapter is to investigate the effects of work-family conflict on the employees' attitudes towards their jobs and their behaviours in the workplace within the framework of job stress, job satisfaction, and organizational commitment concepts in the Turkish Pharmaceutical Industry. The data used in this study were obtained by the questionnaire survey method. One of the results of this study reveals that work-family conflict and work to family conflict have positive effects on job stress. However, family to work conflict has no effect on job stress. Secondly, work-family conflict and work to family conflict have positive effects on job satisfaction, while no evidence has been found regarding the effects of family to work conflict on job satisfaction. Thirdly, work-family conflict and work to family conflict have negative effects on organizational commitment while no evidence has been found regarding the effects of work to family conflict on organizational commitment.
Impact of Culture on Service Failures and Service Recoveries
Authors: Tanrikulu Ceyda , Gelibolu Levent
Published: November 2014

In this chapter, the authors focus on the role of culture, which increases its effect along with globalization on service failures and improvements. The study is a type of literature review formed by compilation of previous studies in the extant literature. According to the primary findings of such studies, the approach of consumers to service failures and improvements vary depending on their culture. Different satisfaction levels, re-purchase tendency, word-of-mouth communication and its structure (positive or negative), seeing liable for failure, loyalty, replacement, and emotional response against service failures and improvements are seen between different cultures. The authors expect this study to provide clues to service marketing applications and future studies about the effect of culture.
Eco-Innovation Enablers and Typology in Green Furniture Manufacturing
Authors: Fernando Yudi , Shaharudin Muhammad Shabir , Xin Wah Wen
Published: November 2014

Fierce competition has forced firms to be more creative and innovative to increase market share. Differentiating between green products or services with conventional products or services is one of the ways for firms to improve their business sustainability. The objective of this chapter is to explore the eco-innovation enablers and design its typology to measure the current green business practices in industry. Although there are many well-documented enablers or practices of eco-innovation that have been researched, this chapter focuses on practices that contribute towards the successful adoption of eco-innovation by one SME in green furniture manufacturing. This chapter uses the case study method as a source of data collection. Eco-innovation typology has been found in this study to define the effort of green company by looking at the target of eco-innovation versus the mechanism of eco-innovation.
Incremental Cross-Generation Versioning in Decomposable Internet Software Products
Authors: Tiwana Amrit
Published: November 2014

The most important factor distinguishing firms is the possession of knowledge, and the core differentiating skill is the ability to deploy that knowledge to their competitive advantage (Scott, 1998). Products of the turbulent information industries (Mendelson and Kraemer, 1998), especially those facilitated by the Internet, show the hitherto unseen promise of increasing returns. The flexibility to survive in turbulent technological environments, however, can only be achieved if positive feedback is not suppressed (Hall, 1997). This chapter examines incremental development and maintenance of software products designed to be used, delivered, and maintained through the Internet. Complex software products often go through a process of iterative evolution across several rapidly delivered versions, and the opportunities for knowledge management and application that arise in the midst of their evolution are discussed. We describe how both development and maintenance/upgrading of Internet software must be addressed in ways extending beyond traditional methods used for “traditional” information systems maintenance. Drawing on a diverse theory base, including information economics, emergence theory, and knowledge-based innovation, characteristics of Internet-based software applications are described; linkages between application modularity and decomposability with process knowledge are first explored; feasibility of managing component knowledge and renewing architectural knowledge is discussed; and finally, a conceptual model for managing process knowledge across generations and versions of decomposable applications to support software maintenance and evolution is presented.
Multichannel Retailing and Consumer Behaviour
Authors: Sánchez-Pérez Manuel , Estrella-Ramón Antonia , Segovia-López Cristina , Marín-Carrillo María B.
Published: November 2014

This article aims to analyse and offer managerial guidance about the processes of planning, implementation and control of a multichannel strategy within the framework of Multichannel Customer Management Decision (MCMD). To achieve this objective, firstly we justify the growing adoption of a multichannel strategy by retailers and channels participants. Following MCMD framework, we analyse the consumer behaviours linked to this kind of strategy in order to deeply understand the factors which affect consumer choice decisions related to channels. Alternative channels to brick and mortar retail channel are described, such as online channel. This helps us to offer a guide to define the multichannel strategy. Additionally, we give some ideas about the implementation of this strategy. Finally, in order to get a feedback to this planning process, we suggest carrying out a control phase. The work ends with conclusions section and future research streams.
Assistive Technology For Night Blind Tourist
Authors: Khan ObaidUllah Owais , Ahsan Kamran , Salam Abdul
Published: November 2014

Tourism is one of the largest growing industry worldwide. A tourist will naturally keep on travelling to different countries and sub-continents. Several researchers have addressed and proposed Mobile applications to facilitate Tourist and Tourismin different areas. A Mobile application to assist nightblind tourist is still one of the unaddressed issues by the researchers. This paper proposes a Mobile application model for the Tourist who facesdifficulty in vision during dark times, referred to as night blindness. The proposed application model is based on the difference of current time with sunset time. The application module uses mobile technology and difference of time function to proactively alert the night blind tourist to reach its safe place or destination before sunset. This model also provides an alternate path and distance with respect to time and user location. This proposed mobile application is very useful for the apprehensive night blind tourist who feels fear in travelling during the close of day times.
Optimization of a Three Degrees of Freedom DELTA Manipulator for Well-Conditioned Workspace with a Floating Point Genetic Algorithm
Authors: Silva Vitor Gaspar , Tavakoli Mahmoud , Marques Lino
Published: November 2014

This paper demonstrates dexterity optimization of a three degrees of freedom (3 DOF) Delta manipulator. The parallel manipulator consists of three identical chains and is able to move on all three translational axes. In order to optimize the manipulator in term of dexterity, a floating point Genetic Algorithm (GA) global search method was applied. This algorithm intends to maximize the Global Condition Index (GCI) of the manipulator over its workspace and to propose the best design parameters such as the length of the links which result in a higher GCI and thus a better dexterity.
A Cloud Computing Model for Efficient Marketing Planning in Tourism
Authors: Mastorakis George , Trihas Nikolaos , Mavromoustakis Constandinos X. , Perakakis Emmanouil , Kopanakis Ioannis
Published: November 2014

This article proposes a novel model to optimize e-marketing planning in tourism sector, based on the convergence among interactive digital television, mobile networks and cloud computing systems. The proposed research approach is exploited, towards efficiently facilitating marketers to accomplish optimum e-marketing data analysis and design effective mobile marketing strategies, targeting potential users under a personalized advertising scheme. This model also enables marketers to predict future purchasing patterns and efficiently understand customers' behavior. Collected e-marketing data, revealing customers' preferences, is optimally displayed to marketers, using emerging user-friendly interfaces based on cutting edge web technologies, towards providing an actual mean to automatically customize services for individual market segments in tourism sector. The applicability and usefulness of the system were tested by interviewing a sample of hotel marketing managers, and the findings provide useful practical implications.
Management Education Collaboration Networks
Authors: Hall Owen P. , Ko Kenneth D.
Published: November 2014

Management education has come a long way since Sir Isaac Pitman initiated the first correspondence course in the early 1840s. Today the demands from a globalized economy are causing a sea change in the way business education is being delivered. The traditional one-size-fits-all educational approach of the past is being replaced with a customized and flexible learning paradigm that focuses on student outcomes and performance. Management education collaboration networks can assist in this transformation. A primary function of a collaboration network is to provide the management education community with access to curriculum innovation, databases, cloud computing resources, mobile learning technologies and implementation strategies. The network design should be based on stakeholder attitudes, new learning technologies, globalization, changing demographics and sustainability. The purpose of this article is to highlight the results of a global survey on collaboration networks and to outline the role of cloud-based collaboration in the future of business education.
A Learner-Centered Design Framework for E-Learning
Authors: Fasso Wendy , Knight Cecily , Knight Bruce Allen
Published: November 2014

This paper presents a design framework for online learning. The framework is based upon the taxonomy devised by Dettmer (2006). In a learner-centered focus, it draws together the cognitive, affective, social, and sensorimotor domains of learning, and is situated with the concept of online personal learning spaces and environments. It is at this intersection of learning domains that the graduate attributes and general capabilities of students are able to be intentionally supported and demonstrated. The proposed framework draws on recognized theory, principles, and practical considerations of contemporary online learning to clarify considerations of the learning outcomes, learning processes and learner performance when designing online learning that is mediated by education technology. This integrative approach will support mentored, reflective learning design and design-based research aimed at improving both the experience and outcomes of online students. The paper contends that this framework presents a useful design that reflects the nature of contemporary online learning environments.
Knowledge Integration in Problem Solving Processes
Authors: Sousa Maria José
Published: November 2014

This article analyses the knowledge integration in problem-solving situations which requires a high level of interaction and trust among workers. Literature review explores the main barriers associated to knowledge integration and use and even if most problem situations are solved in an unconscious way, automatically and in a few seconds, others situations requires more time, effort, teamwork, collaboration and extensive abstract knowledge. This research goal is to analyses the perceptions of the workers from Alpha Organisation. The research findings allow us to conclude that depending on the complexity of the workstation, the Operator decides if he has the knowledge and the tools to solve the problem or if he needs help from Managers. The use and share of employees' knowledge is an important factor to solve problems and strengthen performance. However, several organisational and individual barriers condition the process.
Spatial and Social Boundaries in Gentrified Neighbourhoods
Authors: Zdráhalová Jana
Published: November 2014

In the paper we analyse the character of spatial boundaries of buildings and examine their correlation with social changes. For a case study we use Holesovice, a quarter of Prague, Czech Republic. This city part is a typical example of originally industrial suburb with a large number of factories, docks and railway station, all built mainly in 19. century. In the last 15 years the area has gone through gentrification that significantly changed its urban and architectural face. The transformation also affected the character of services and cultural facilities available in the area. We compare boundaries of the original construction and boundaries of the new developments built in the last 15 years. The analysis is done at the scale of buildings. Our methodological framework is based on the Space Syntax theory and Urban Morphology. The studied characteristics are integration of accessible spaces and design of boundaries. The paper identifies urban and architectural features that correspond and reflect the lifestyle of the gentrified part of population.
Villas in the "Underground"
Authors: Riedlová Kateřina , Kubicová Věra
Published: November 2014

The political changes of 1948 brought, among other things, a significant shift in the housing policy. Focus was no longer on living in detached family houses or urban villas so popular prior to 1948. On the other hand, we can also find architecturally great villa like family houses designed by professional architects. However, construction of these houses was not far from being illegal since everything was done secretly without the slightest possibility of being presented within the professional circles or the public. The investors recruited mainly from social and cultural groups of famous people with original ideas, were not acceptable to the ruling party. Let us name a few: the villa of the famous film director Věra Chytilová in Trója, Prague (1975), Emil Přikryl`s villa; or three villas from the 1950s: Miroslav Zikmund`s (1954), Jiří Hanzelka`s (1956) and Zdeněk Liška`s (1959), designed by Zdeněk Plesník in Zlín. The most remarkable realization of family houses, so different from other contemporary designs, was the one by Ivan Ruller in Brno. Thanks to the used materials, Ruller`s houses have the capacity to age in a natural in way, without losing any of the powerful touches of modernity. In 1968, Ruller`s type of villa was designed for example for Petráček, the director of Chemoprojekt. Its construction was inspired largely by the trend in architecture “new brutalism”. Some of other Ruller`s villas can be found in Ivanovice (1976) and Mokrá Hora (1979). Architect Josef Němec`s own villa (1976) as well as Růžena Žertová`s atrium family house (1981) are just other examples of high-quality houses from and around Brno.
Malacky - Character Change of a Small Town in the 2nd Half of the 20th Century
Authors: Fialová Romana
Published: November 2014

The paper presents the view of the situation in a small town that started to develop dynamically in the second half of the 20th century. Until then, the town Malacky made a reservoir of labor for the near capital - Bratislava city. Social changes after the Second World War and the development of production technology had a deep impact on the city. This impact is visible up to these days. New times brought the development of industry and concentration of production, that led to new job opportunities. It attracted people of the surrounding area. This situation led to the housing crises. The way out of this situation was the construction of new urban structures and extensive housing estates of residential buildings, which inexorably replaced the original buildings. Part of the historic organism of the city was demolished and new buildings were formed directly in the city center. Rationalization and pragmatic solutions were dominating, they better met the demands and requirements of the society and material and technical production possibilities at that time. After several years there have been consequences of the situation which prioritize only selected aspects of housing. These residential complexes are the document of the way of society life in the second half of the 20th century, as well as the evidence of abilities of architects and urban planners who were created in the conditions of centrally planned construction.
Study on Preparation of the Precursor of Sm2Fe17 Alloy by Oxalate Co-Precipitation
Authors: Xue Ping , Li Yao
Published: November 2014

In the oxalate system, some factors of pH values, reactant concentration, feeding method and reaction temperature affecting the grain size and morphology of the precursor of Sm2Fe17 alloy by co-precipitation were investigated. By means of comprehensive experimental and XRD and SEM analysis, the optimum conditions for preparing the precursor of Sm2Fe17 alloy by co-precipitation were obtained and it laid a sound foundation for the subsequent preparation of high-performance magnetic material.
Effects on Temperature-Induced Phase Transition of Ni2MnGa Polycrystalline Ferromagnetic Shape Memory Alloys
Authors: Zhu Yu Ping , Gu Yun Ling , Liu Hong Guang
Published: November 2014

Ferromagnetic shape memory alloy is a kind of new smart material. Directional solidification method in producing polycrystalline Ni2MnGa is mature and effective. In order to increase the strain of Ni2MnGa polycrystalline prepared by directional solidification, mechanical training is an effective method. In this paper, the tests of temperature-induced strain are carried out in different directions of Ni2MnGa prepared by directional solidification using three kinds of specimens with various mechanical training. Through analyzing the mechanical properties in different directions, the influence of mechanical training on the temperature-induced strain are investigated. Some conclusions which may provide references for the engineering applications of this material are gained.
Effects of Slurry Fused Ni60 Interlayer on Bond Strength of Cermet Coating to GH202 Substrate
Authors: Kou Jin Feng , Le Jun , Sheng Xiao Cheng
Published: November 2014

effects of slurry fused Ni60 interlayer on bond strength of cermet coating to GH202 substrate were studied. A compact NiCrBSi interlayer was prepared by slurry fused method and the NiCr-HfB2 cermet coating was fabricated on the interlayer. Surface morphology of the NiCrBSi interlayer and NiCr-HfB2 cermet coating and cross-sectional morphology of samples with the NiCrBSi interlayer were examined by means of SEM. The bond strength of the NiCr-HfB2 cermet coating to GH202 substrate with and without the NiCrBSi interlayer was measured by pulling apart tests. And thermal shock resistance of the cermet coating with and without the intermediate layer was measured. The results show that the NiCrBSi interlayer effectively enhance the bond strength of the NiCr-HfB2 cermet coating to GH202 substrate and the thermal shock resistance of the cermet coating .
Study on the Nonlinear Dynamics of a Single-Stage Gear Vibro-Impact System
Authors: Sheng Ruo Yu , Wang Yong , Zhang Li Na
Published: November 2014

A vibro-impact dynamic model of a typical single-stage spur gear train has been proposed in this study. The lumped parameter dynamic model includes the constant meshing stiffnesses, the linear time-invariant viscous damping values and the gear clearance (backlash) non-linearity allowing teeth separations. With taking account of the effect on impact of gear tooth when meshing, the dynamic equations of motion are solved for the steady period response by use of analytical method under given periodic motion conditions. The feasibility of the given periodic motion conditions is demonstrated by comparing the analytical results with that of numeric simulation method. A Poincaré map of the system is established. The stability and bifurcation of the system are studied using analytical methods. Finally, the theoretical analyses are verified using numerical simulation.
Research on Fuzzy Control of Hydro-Viscous Speed Control System
Authors: Ma Li Gang , Xiang Chang Le , Zhang Jian Wei , Zhang Xin
Published: November 2014

The paper analyzes the working principle of hydro-viscous speed control system, establishes the mathematical model of electro-hydraulic proportional valve and the hydro-viscous clutch. In order to solve the problem of nonlinear and improve the real-time of the hydro-viscous clutch control system, the paper applies the method of fuzzy-PID control, realizes the design and simulation of the speed-system controller in the Simulink platform of MATLAB and performs an experiment by controlling the cooling fan of tracked vehicle.
Prediction of Ship Main Engine Exhaust Gas Temperature Using AR Model
Authors: Zhang Yue Wen , Zou Yong Jiu , Liu Zhu Feng , Zhang Peng
Published: November 2014

In order to forecast the malfunctional state of main power plant on ships through predicting the trend of unsteadily changed thermal performance parameters in main power plant system, this paper established AR model for thermal performance parameters using time series analysis method, by which to predict the change trend analysis of thermal performance parameters, and comparing the predicted values and the measured values. The actual application case of predicting a main engine’s exhaust temperature has been validated by using of the AR model, and results showed that: AR model can accurately predict the change trend of smoke temperature, and the prediction precision is higher, the average relative error was 0.25%.
Development of the Self-Propelled-Gun’s External Hydraulic Source
Authors: Liao Xue Bing , Cui Qing Bin , Shan Hui Qun , Lei Peng
Published: November 2014

In this paper, according to the requirements of the self-propelled-gun’s hydraulic system test technology, using variable speed metering pump technology, a variable cain pressure predictive controller is developed. This method can improve response speed of pump-valve combined control. Then the self-propelled-gun’s external hydraulic source is developed, which can test a variety of self-propelled-gun equipment operation and its hydraulic system without starting the host. The trial operation proves: this test equipment is high common, high stability and high integration.
Design of Valve Parametric Variant Template Based on NX
Authors: Jiao Li Li
Published: November 2014

The valve is an important control unit in all kinds of fluid conveying system, which has formed a series product. The design of the valve product follows the characteristic process, and there is a strong correlation between its components. Using knowledge engineering related theory and method, through mining and presentation about the field design knowledge and structure knowledge of the pressure valve, implements the pressure valve parametric variant design templates by using the top-down design and parametric design technology on the NX platform. It can greatly improve the design efficiency and quality through the rapid variant design of series of the valve with the template.
Reverse Engineering Design of Vehicle Rear Axle Based on CATIA
Authors: Xia Yong Qing , Zhang Jie
Published: November 2014

Reverse engineering technology has been widely used in engineering design field. This paper proposed a CATIA-modeling-based reverse engineering technology for vehicle rear axle design. The general process for reverse engineering includes the pretreatment of the point cloud data, the establishment of the grid, the surface reconstruction of parts, the analysis of curved surface, and so on. Finally, the paper puted forward practical and feasible solution to the problem.
Analysis of Six Foot Robot Mechanism and Steering Gear in the Desert Environment
Authors: Jin Shi Jia , Yin Fei
Published: November 2014

In order to improve the efficiency of the vehicle in the desert, fully excavating the underground resources in the desert, through the research of efficient crawling desert creatures running mechanism, six-legged robot is proposed. In this paper, the six-legged robot trajectory and steering mechanism was analyzed. Results show that the foot can be triangle gait as point contact and then realize the ideal steady state; Layer type group legal steering mechanism can smoothly change support and direction.
Research on Tracked Vehicle Passive Power Device Based on Non-Battery Starting
Authors: Chen Yuan Jiang , Liu Zhong Fa , Xu Hong Ge
Published: November 2014

This paper introduces the working principle of power system on tracked vehicles. Tracked vehicles with high pressure air or pulling the battery starts, due to the main power supply system power supply, can't fight. Through an analysis on the failure of electricity generation of the main power system, a tachometer sensor is designed and used as main power providing excitation and causing an electric potential difference, which realizes passive power supply after non-battery starting.
Study on the Application of Water Jet Technology in Artillery Maintenance
Authors: Chen Yuan Jiang , Xu Hong Ge , Gao Qing Sheng
Published: November 2014

To coat with much of lubricating grease is an effective approach to slow down the wearing and rusting trend of each mechanism, the lubricating grease must be removed before grease-change maintenance and overhauling of the artillery. At present, the grease removing methods mainly include physical heating, mechanical removal, chemical cleaning, etc. Comparing the advantages and disadvantages of various methods, this paper proposes to use the technology of a high-pressure water jet cleaning. This method overcomes the problems in the process of grease removal.
Study on Automated Manual Transmission Fault Diagnosis and Tolerant Control
Authors: Yin Jian Bo , Chen Qi , Ma Yun Bo , Zhao Yv Cai
Published: November 2014

This paper discuss the possible fault about AMT. By using the information redundancy between those parts, the faults of sensors and actuators can be found. In addition, the corresponding tolerant is put forward. Based on the fault diagnosis method, Matlab/Simulink mathematical model of engine, clutch and transmission is built. The simulation results show that the model can satisfy the requirement of fault diagnosis, and has certain tolerances.
A Rapid Measuring Method for Roller Gear Cam Center Distance Error
Authors: Gong Qing Shan , Luo Min , Wu Yue Min
Published: November 2014

For the complexity of its space surface,the rapid measuring technology of machining errors for roller gear cam has always been a difficulty.In this paper, the NC machining technology of roller gear cam is introduced first, then a rapid measuring method for roller gear cam center distance error is put forward,and a error analysis model is established, last the machining experiment is done to verify the feasibility of the method.
Computational Modeling of Heat and Mass Transfer during Convection Cooking of Chicken Patties
Authors: Zhu Dai Gen , Chen Jun Ruo , Li Ming
Published: November 2014

A 2-D axisymmetric mathematical model base on Fourier’s equation and Fick’s law was developed to simulate coupled heat and mass transfer during convection cooking of chicken patties. The food physical properties were functions of local values of temperature and moisture content. The model equations has been solved by a commercial FEM package, called COMSOL Multiphysics. Transient temperature and moisture distributions inside the product were predicted, and a comparison between the theoretical predictions and experimental results reported in the literature has shown a good agreement. The developed model can be used to predict the cooking process.
Design of Supervisory System for Bearing Mounting Machine
Authors: Wu Yue Min , Gong Qing Shan , Luo Min , Chang Zhi Bin
Published: November 2014

In this paper, a king of Bearing mounting machine for gear box bearing was developed because of much problem in the manual assembly. The control system of the push mounting machine based on the Mitsubishi PLC was expatiated. The real time displacement and the pressure can be displayed with the help of Delta touch panel, and also the real time curvilinear of the key parameter.
Effect of Carbon Content on Microstructure, Mechanical Properties and Wear Resistance of Ti(C,N)-Based Cermets
Authors: Wei Hai Long , Lei Hai Yan , Zhong Guo Xiong , Yu Hai Zhou , Feng Ping
Published: November 2014

Ti(C,N)-based cermets with three carbon contents are prepared by sintering in vacuum. The effects of carbon content on the microstructure, mechanical properties and wear resistance of Ti(C,N)-based cermets were investigated. The results show that the grains refine gradually and the hard phase core becomes smaller when the carbon contents increases. The mechanical properties closely relates to the carbon content. With the increase of carbon content, the furrows created by grains cutting are getting narrower and more intensive. When the carbon content reaches 0.8%, a large quantity of wear debris bonding blocks are attached on the wearing surface. In this condition, the Ti(C,N)-based cermets are of the minimum wear weight loss and the best comprehensive mechanical property.
Research on Knowledge Coordination Model in Engineering Project Cooperation under the Network Environment
Authors: Hu Chun Hua , Liu Bing Feng
Published: November 2014

In the era of knowledge economy, under the network environment project collaborative knowledge construction has been paid more and more attention. Project team knowledge transfer between form a knowledge network, in line with the basic core in complex network theory goal-directed (edge network structure), has its uniqueness. In this paper, this paper discusses the knowledge network formation, network evolution stage, according to the knowledge sharing, knowledge transfer, knowledge learning and knowledge creation of four phases of the micro mechanism of knowledge collaboration, and points out that the body of knowledge of the cooperative intention, attitude and sense of trust, the body of knowledge of the network structure, location and neighborhood structure, the overall network effect and the types of knowledge, is an important factor affecting the knowledge synergy. Discusses the co-evolution of knowledge network project in cooperation, use the interpretative structural model to construct collaborative knowledge construction process of analogy model.
An Approach for Level Scheduling Mixed Models on an Assembly Line in a JIT Production System
Authors: Nie Li , Bai Yue Wei , Jiang Xin , Pang Chang Tao
Published: November 2014

A mixed-model assembly line (MMAL) is a type of production system that is capable of producing different models of a common base product simultaneously. Mixed-model assembly line level scheduling problem (MMALSP) is a challenge for Just-in-time (JIT) production systems. In the paper, a mixed-model assembly line level scheduling model is proposed which considers multiple objectives simultaneously. The considered objectives include the variation in parts consumption considering the batch part supply, inventory cost and maximum transportation load. An approach based on genetic algorithm is proposed to solve the multiple objectives problem. In order to translate individuals in the GA population into candidate scheduling schemes a delivery scheduling algorithm (DSA) is proposed. In addition, dimensionless processing technique is employed in the design of the fitness function in order to comprehensively evaluate different individual considering three objectives simultaneously. The approach’s performance is validated through comprehensive experiment.
Empirical Study of Credit Rating’s Factors Based on the Buyer’s Perspective in the Netshop of Small and Micro Enterprises in TianJin
Authors: Bai Chen Xing
Published: November 2014

Researching on the factors affecting the level of credit rating in the netshop of small and micro enterprises in TianJin, the seven main factors are extracted through factor analysis; And then the paper does the regression analysis between the seven main factors and the credit rating levels, so does between each of the main factors and their specific structure. Finally, it calculates the order of importance and the value of impacting. So it can provide a reference for the network shop of small and micro enterprises to enhance the credit rating level.
Contribution to Study of the Sintering Mechanism
Authors: Du Wei Wei , Douadji Lyes
Published: November 2014

In all process based in powder and in particular in the rotational moulding process, the major physical phenomenon during the flow of the powders is the sintering and grains growth. The sintering is the formation of only one particle starting from two or many particles under the effect of the temperature and the forces of surface tension. We interest in this study in particular at the mechanism of Polyvinylidene fluoride (PVDF) sintering. The results of this study can enable us to maximize our knowledge about sintering mechanism and enable us to determine parameters such as the speed of sintering for the optimization of the process.
Optimization and Implementation of the Coating Process for Aoling Vehicles
Authors: Wang Hai Jun , Ma Yu Lin
Published: November 2014

In order to address the insufficient capacity bottleneck issue in the automotive coating workshop of Aoling Factory during the peak production season, we had made significant improvements on the coating pretreatment and electrophoresis process. Improvements include: optimization of the degreasing alkalinity and temperature; implementation of the Parkerizing low temperature phosphating liquid processing technology; Jin Li Tai low temperature electrophoresis treatment technology; the mixing tank technology; as well as optimization of the electrophoretic paint curing conditions. The production verification test demonstrates that the cycle time for pretreatment electrophoresis process after implementation of the improvements is shorter than that of the previous process, the painting workshop production efficiency is also increased, thus it reduces the cost of production, achieves environmental protection and energy saving, solves the peak production season capacity bottleneck in coating workshop. The improved process is a proven and effective automotive coating technology worthy of promotion and field implementation.
Fatigue Life Prediction of Composite Pin Joints
Authors: Mu Peng Gang , Wan Xiao Peng
Published: November 2014

In this research, new progressive fatigue damage models are established to calculate the fatigue life and simulate damage process of composite pin joints. The proposed models based on residual strength and residual stiffness of unidirectional laminates, have three parameters to present the different damage state, which can accurately describe the growth process of fatigue damage propagation by the mathematical method. The fatigue damage models combining with stress analysis, failure analysis, and material property degradation process, can predict the fatigue life, damage state and residual material properties of composite structures under arbitrary loading conditions. Using the models, composite pin joints with different stacking sequence are analyzed, fatigue life and damage quantification are concluded simultaneously. The proposed models and the process of analysis provide a way to solve the fatigue durability of composite structures.
Effect of Artificial Aging on Microstructures and Mechanical Properties of Extruded Mg Alloy ZK60
Authors: Yin De Liang , Qiao Jian , Cui Hong Liang
Published: November 2014

An extruded ZK60 magnesium alloy was subjected to artificial aging at 180 oC for an investigation of the effect of aging time on its precipitation behavior and mechanical properties. Uniaxial tensile tests were conducted to obtain the mechanical properties. Optical microscopy and transmission electron microscopy (TEM) were employed to observe microstructure change before and after aging treatment. It is shown that, both tensile yield strength and ultimate tensile strength increases with aging time. The fracture elongation after aging for 20 h reaches up to 21.0%, and the yield strength increases to 269.5 MPa, 19.4% higher than that of extruded specimens (un-aged), showing a good match of strength and ductility. Three newly-formed precipitates were observed after aging for over 20 h, among which particulate and dispersive precipitates should be responsible for the good combination of strength and ductility.
Study of Epoxy Acrylic Cathodic Electrodeposition Coatings and Investigation on the Electrophoretic Coating Process
Authors: Li Tian Xia , Chen Feng
Published: November 2014

As an environment-protecting waterborne coating, the cathodic electrodeposite coating has wide applications prospects.The self-crosslinked acrylate grafted epoxy resins for cathodal electrophoretic coating were synthesized by grafting acrylic polymer onto epoxy resin . This epoxy-acrylic copolymer both have high modulus, high-strength ,excellent chemical resistance and corrosion resistance of epoxy resin, and both have the light-acrylic resin fullness, good weather resistance and other characteristics of acrylic resin,which are widely used in the automotive, building materials, home appliances and other fields.The electrophoretic coating is an extremely complex process. The effects of the parameters of electrophoretic technology on the properties of paint films were studied systemically.The results show that the electrophoretic paint with better appearance and propeties can be made when voltage was about 90V,the solid share was 16%,pH was 5.8and electrophoresis time was 2-3min.
Optimization of Cu/TiO2 Preparation Variables Using Response Surface Method for Photodegradation of Diisopropanolamine
Authors: Ramli Raihan Mahirah , Kait Chong Fai , Omar Abdul Aziz
Published: November 2014

The Cu/TiO2 photocatalyst preparation variables namely Cu loading, calcination temperature and calcination duration were optimized using response surface methodology. A set of experiments were conducted to obtain the response data which was then analyzed using Design Expert software. The analysis of variance revealed that COD removal from aqueous DIPA solution fitted a quadratic polynomial model with high coefficient of determination (R2 = 0.99). The Cu loading was found to be the most significant variable, which then followed by calcination time and the least significant variable was calcination temperature. The optimum condition for the preparation of Cu/TiO2 photocatalyst for photodegradation of aqueous diisopropanolamine solution was observed at 1.8 wt% Cu loading calcined at 425 °C for 1.0 h. At the optimum condition, 61.15 % of COD removal was achieved. The optimum conditions of the current study will be used for kinetic study.
Effect of Injection Moulding Machine Parameters on the Warpage by Applying Taguchi Method
Authors: Amran Mohd , Salmah Siti , Faiz Abdul , Izamshah Raja , Hadzley Mohd , Manshoor Bukhari , Shahir Mohd , Amri Mohd
Published: November 2014

The application of Taguchi method to reduce warpage in an injection moulding process is studied. The objective of this paper is to analyze the effect of injection moulding parameters, i.e., injection time, packing time, melt temperature and mould temperature, on the warpage defect in dumbbell plastics part. Optical comparator horizontal type was used to measure the difference of warpage value on each part. L9 orthogonal array with 3 replications was done with 27 totals of specimens. The result collected was optimized using Taguchi method and percentage of contribution was calculated using analysis of variance (ANOVA). According to the analysis, it is found that the significant factors affected warpage are injection time (32.01%), packing time (29.73%), mould temperature (24.39%) and melt temperature (13.87%). The optimum parameters for minimizing the warpage were injection time (1s), packing time (5s), melt temperature (270 °C) and the mould temperature (21 °C). By using Taguchi method and ANOVA analysis, optimum parameters and the percentage of contribution of parameters can be obtained. Thus, it shows that design of experiment method is the good quality tools to get the best quality for production.