bluuebunny/crossref_metadata_2025 huggingface dataset:
The Evaluation Model of Product Satisfaction Based on Cloud Model
Authors: Fei Yu Lian , Hou Xin , Hua Er Tian
Published: February 2011

Traditional methods such as scoring method, Likert scale method, etc, suffer from uncertainness, randomness and inaccuracy. To solve these problems, a cloud model is presented in this paper. Based on fuzzy mathematics and statistics, the cloud model can convert the qualitative evaluation of the product to quantitative scores. It’s a better way to overcome the disadvantages of direct scoring method that cause more inaccuracies. A prouct satisfaction evaluation model with three dimensions (i.e., evaluation index, product sets and estimator) is then constructed, which combines the cloud model and the grey relational analysis. Finally, the effectivity of the presented model is demonstrated by a case study.
The Initial Construction of a Information Systems Model Response to the Environment Change
Authors: Shang Hang Biao , Li Ying , Yu Nai Chun , Jiang Yang , Xi Xiang Hua , Geng Yu De , Quan Liang
Published: February 2011

This paper studies on the modeling of the changes in the external environment impact on information systems based on complexity theory and multi-Agent theory.In order to establish the model system, This paper gives the Multi-Agent System Model to response the changes of the external environment and studies the unit Agent and interface Agent, which can be used to facilitate follow-up simulation. The model and its simulation system of MIS based on complexity thinking can express the situation of the complex MIS clearly and exactly, reveal its inherent laws, and contribute to the understanding of static and dynamic characteristics. The paper not only studied in informatization theory, but also done some exploration in software and computer application technology, enriched the Multi-agent theory in the area of manufacturing and informatization. Therefore, the model and its simulation system proposed by author is significant for both theory and practice.
PPPs Performance Evaluation Based on RBF Neural Network
Authors: Sun Hui , Zhou Min , Fan Zhi Qing
Published: February 2011

Based on RBF neural network and combining with the study of PPP performance evaluation, quantitative index system was built from economic, society and environment three aspects. Focusing on the project performance evaluation, which is a nonlinear evaluation problem, the evaluation model based on RBF was established. Empirical analysis was carried out with quantitative projects statistical data, the results show that the program can effectively and accurately evaluate the PPP projects performance, successfully proposed and verified a viable method, and set a basis of theoretical methods for further study.
Multi-Objective Parameters Optimization Design of Single-Pipe Ring-Type Mixing Water Oil-Gathering Pipe Network
Authors: Fu Yun Xia
Published: February 2011

Single-pipe ring-type mixing water oil-gathering process is often used in the oil-gas gathering and transportation system of low permeability oilfield. In order to improve the economic benefits of exploitation and construction of low permeability oilfield, multi-objective parameters optimization mathematical model of single-pipe ring-type mixing water oil-gathering process is built with the targets of minimization of pipeline construction investment, thermal energy and power energy consumption. The model belongs to the mixed-discrete variable nonlinear optimization problem. According to the structure characteristics of the model, multi-objective parameters optimization mathematical model is changed into the single-objective optimization by using linear weighting method. Then the single-objective optimization is solved by hybrid genetic algorithm. Network optimized design of a block of oil-gas gathering and transportation system is conducted by the model mentioned in this paper, and the result is that pipeline construction investment reduces 12.4 percent, thermal energy consumption reduces 14.4 percent and power energy consumption reduces 12.4 percent.
Feeding Submillimeter Microparts Using an Asymmetric Fabricated Surface with Symmetric Vibrations: Effects of Feeder Surface Materials on Feeding
Authors: Mitani Atsushi , Hirai Shinichi
Published: February 2011

We have previously shown that microparts can be fed along an asymmetric microfabricated surface using simple planar symmetric vibrations. Microparts move forward because they adhere to the microfabricated surface asymmetrically. We have also described the effects of sawtoothed surfaces on the movement of submillimeter-sized microparts; for example, 0603 (size, 0.6 x 0.6 x 0.3 mm; weight, 0.3 mg) and 0402 (size, 0.4 x 0.2 x 0.2 mm; weight, 0.1 mg) capacitors. In the present work, we studied the effects of feeder materials on the feeding of single layer chip capacitors (size, 0.25 x 0.25 x 0.35 mm ; weight, 0.06 mg). We found that the motion of submillimeter microparts was affected not only by inertia but also by adhesion due to electrostatic, van der Waal's, and intermolecular forces, and to surface tension. These effects are dependent on the two materials that are in contact with each other. The four materials selected for feeder surfaces were microfabricated so that periodic sawtooth structures were present on their surfaces. We assessed micropart feeding using these surfaces, as well as the relationship between feeding velocity and vibration frequency. By comparing the feeding velocity on each feeder surface, we assessed the effects of feeder surface materials on the feeding of microparts.
The Structure Method of Assembly Product in Variant Design
Authors: Wang Peng Jia , Sheng Zhong Qi , Liu Yong Xian , Yu En Chao
Published: February 2011

Product design is a repetitive iteration process. A small change may result in tremendous redesign changes. Considering the shortcomings of the variant design process, the paper presented an interpretive structural mode(ISM) to analyze product structure. The model not only visualizes the hierarchy of component modules within a product, but also reflects closeness and importance of components, offering a theoretical basis for variant design.
A Dynamic Model of Knowledge Alliance Based on Knowledge Complementarity and Knowledge Share
Authors: Li Gang
Published: February 2011

Base on the consideration of knowledge share and knowledge complementarity, this paper establishes a dynamic knowledge alliance model. We analyze the effects of knowledge share and knowledge complementarity on equilibrium outcome, equilibrium profit and R＆D investments, and discuss the critical impact of knowledge complementarity on selection of alliance partner.
The Design and Implementation of Leveler Process Database System
Authors: Hu Ying , Hao Xiao Hong , Huang Qing Xue , Peng Hu , Wang Qiu Shu
Published: February 2011

The new generation leveler control system need to deal with amounts of data. Directed at the characteristics, this article demonstrates the structure design of its database architecture. From the communication interface, hardware and software environment, functions, technologies, etc., we expounded the implementation of database system, such as real-time database, alarm database, model material databases, historical database, and safety information database and so on. It shows that the database system is a core of new generation leveler control system. We also present specific examples of design and give the detailed method of approach.
Fatigue Life Calculation of the in-Service Dented Pipeline
Authors: Ying Wu , Zhang Peng , Liu Wu
Published: February 2011

Dent is one of the important factors affecting pipeline fatigue life, and it will greatly reduce the fatigue life of the pipeline in service. Based on a large number of foreign dented pipeline fatigue test results and fatigue life model, for the typical dent defect, using finite element method, various parameters are changed and finite element models are obtained under different conditions. According to many calculation results, a key ratio of peak period stress and pipeline pressure variation are obtained, which are substituted to the fatigue life model and the example are calculated.
A Novel P2P Business Traffic Prediction Algorithm
Authors: Wu Min , Wang Ru Chuan , Li Jing , Han Zhi Jie
Published: February 2011

The increasing P2P network traffic on the Internet has leaded to the problem of network congestion. In the consequence of the diversification of the P2P business and protocol, research on the management of P2P traffic has many problems to resolve. Prediction of the P2P traffic is the kernel problem in the P2P traffic management. Based on the existed P2P traffic characters, this paper structures a P2P traffic model, gives a traffic prediction algorithm bases on wavelet-analysis, and proves the accuracy of the algorithm. Simulation experiment figures that the algorithm has a high prediction precision and a superior real-time performance.
Natural Vegetable Gum Drilling and Completion Fluids System for Industrial Control and Application
Authors: Li Feng Xia , Jiang Guang Chen , Wang Zheng Ku , Cui Mao Rong
Published: February 2011

To simplify the operation for the oil and gas development for drill and complete the well in the petroleum industry, a natural vegetable gum drilling and completion fluids system is developed for the industrial control and application. As the system combines the advantage of the drilling fluid and completion fluid, it need not change the two different fluids during the operation, which is beneficial to the operation control. In addition, it can improve the implementation of the oil and gas exploration for industrial application. An extensive laboratory work for the high-temperature resistance capability of the natural vegetable gum drilling and completion fluids system is carried out, including the formulation study of the detailed system and the corresponding performance evaluation. In the system, with the basic formula of the natural vegetable gum drilling and completion fluids system, several new formulas beneficial to improve the high-temperature resistance capability of the system have been described. The corresponding laboratory analysis has demonstrated that the prosperities of the system, with the temperature resistance capability up to 305℉, are proper for the industrial application.
RETRACTED: Based on PRO/E Sheet Metal Product Design Simulation
Authors: Wang Hong Bo
Published: February 2011

Numerical simulation is an effective method for predicting formability of metals, and the use of computer simulation enables a significant increase in the number of tool designs that can be tested before hard tools are manufactured. Based on dynamic explicit finite element software, finite element simulation of sheet metal forming was performed to investigate the applicability of applying hydrostatic pressure on blank in multi point discrete dies. Simulation results show that using the hydrostatic pressure on blank is apposite for the process of multi point discrete dies.
Robust Time-Frequency Watermarking Based on Improved S Transformation
Authors: Deng Ming Hui , Zeng Qing Shuang , Li Yan Jun
Published: February 2011

In this paper, a robust image watermarking method with one-dimensional improved S transformation is proposed which is robust against geometric distortion. This watermarking is detected by a linear frequency change. The chirp signals are used as watermarks and this type of signals is resistant to all stationary filtering methods and exhibits geometrical symmetry. In the two-dimensional Radon-Wigner transformation domain, the chirp signals used as watermarks change only its position in space/spatial-frequency distribution, after applying linear geometrical attack. But the two-dimensional Radon-Wigner transformation needs too much difficult computing. We propose a modified Gaussian window which scales with the frequency in an efficient manner to provide improved energy concentration of the S-transform. The proposed scheme can resolve the time-frequency localization in a better way than the standard S transformation. The watermark is embedded in the 1D improved S transformation domains. The watermark thus generated is invisible and performs well in test and is robust to geometrical attacks. Compared with other watermarking algorithms, this algorithm is more robust, especially against geometric distortion, while having excellent frequency properties.
Study of Low-Carbon Life and Low-Carbon Construction Materials
Authors: Sheng Bao Zhu , Chen Xiao Juan
Published: February 2011

To cope with environment and climate change has become a global focus, so does energy and resource security. For many developed countries it is a breakthrough of promoting economy growth to advocate low-carbon life and develop low-carbon construction materials together. This is also an important element of a country's future integrated ability. There is a synergy relationship of mutual influence and common development between construction materials industry and low-carbon life. The former does contributions for low-carbon life, and then the latter promotes innovation and energy saving in construction materials industry. Finally the building industry in China will presents photograph of a speed and structure, quality, benefit to unite.
Investigation of Creep Mechanics Properties of Layered Nano-Montmorillonite Modified Asphalt Mixtures
Authors: Liu Tian Gui , Wu Shao Peng , Han Jun
Published: February 2011

Montmorillonite（MMT）is a typical layered silicate. It has been widely used to modify polymers. It improves the thermal, mechanical and aging properties of polymers. The prominent features of MMT modified asphalt concrete are significant for prolonging the service life of asphalt pavement. The profound researches on the service performance and mechanical characteristics of MMT modified asphalt binder and mixtures are important for the application of MMT modified asphalt concrete in practice projects. The effect of MMT on the creep properties of asphalt mixture has been investigated in the research. The result showed that the physical capabilities of MMT modified bitumen was improved evidently. UTM 25 electro-hydraulic servo-universal testing machine was used to do Creep Text, and proper rheological models are employed to describe such characteristics. Results indicated that the visco-elastic properties of the mixtures can be changed by the use of MMT. The revised Burgers model is suitable for the visco-elastic property research of MMT modified asphalt mixtures. The model demonstrated that the retardant visco-elastic property and viscous property of asphalt mixtures containing MMT can be improved, which result in the enhancement of resistance to permanent deformation for MMT modified asphalt mixtures.
Investigations on Motion Precision of High-Resolution Stereolithography System
Authors: Qiu Rong Hua , Xu Guang Shen
Published: February 2011

The motion precision of the translation stage in high-resolution Stereolithography System is the basic for RP system to fabricate object with high dimension accuracy. The motion precision of the translation stage in high-resolution Stereolithography System was investigated and estimated, and the experiments results indicate that the unidirectional accuracy of positioning in Z direction is 6.4µm, and the unidirectional repeatability of positioning of the translation stage in Z direction is 6.4µm. The motion precision of the translation stage can satisfy the requirements of high-resolution SL system. The phenomena that the unidirectional positioning system error and the unidirectional repeatability positioning accuracy have distinct difference was researched, and it is fund that different load status of the translation stage is the main reason during the translation stage moving up and down.
Measurements and Potential Applications of Force-Control Method for Stick-Slip-Driven Nanohandling Robots
Authors: Edeler Christoph
Published: February 2011

This paper describes the transition of a recently invented force-generation method to mobile nanohandling robots and outlines future applications. The presented mobile nanohandling robot makes use of miniaturized, piezo-driven Stick-Slip actuators. This allows for very accurate and fast positioning. The drives are fully developed and have proven their performance in fast pickand- place applications. On the other hand, the mentioned force-generation method allows a Stick- Slip axis to exert a dedicated force to any object, which could be useful in many micro- and nanohandling scenarios. However, the method was tested yet only in a testbed similar to the conditions in the robot. Therefore this paper deals with the extrapolation of the results to the real conditions in the robots and discusses benefits and drawbacks. After an introduction of the robot and the force-generation method, measurements are presented and discussed. The paper ends with a sketch of a possible application, which could boost the application potential not only of such mobile robots, but of Stick-Slip-based setups in general.
Automatic Synthesis of Dynamic Systems Based on Hungarian Algorithm and Genetic Programming
Authors: Yang Guan Ci , Li Shao Bo , Zhong Yong , Pan Wei Jie
Published: February 2011

Genetic programming is an effective way to generate design candidates in an open-ended, but statistically structured, manner. A critical aspect of the procedure is a fitness measure, which guides candidate designs toward an optimal scheme in reasonable time. This paper has suggested a new definition of fitness base on Hungarian algorithm for automatically synthesizing designs for multi-domain, lumped parameter dynamic systems, and uses a type of embryo bond graph model with three modifiable sites to initialize population. Although the experiments run to date are not sufficient to allow making strong statistical assertions, it shows that the search capability of genetic programming combining Hungarian algorithm is good enough to make feasible automated design methodology proposed here for multi-domain systems.
Beltrami Denoising Algorithm for Ink-Jet Printing Material Image
Authors: Feng Zhi Lin , Liu Xiao Ming , Ye Yan Ming , Chen Jin Yin
Published: February 2011

Image denoising for ink-jet printing material is an active research field in ink-jet printing material processing aiming at the removal of noise. In this paper, we present a novel denoising algorithm within the framework of Beltrami manifold and shape prior technology. Beltrami manifold is applied to enhance image features while preserving natural fine structures. The shape prior term for the deformable framework through a non-linear energy term is designed to attract a shape towards the Beltrami manifold at given directions. The visual and quantitative evaluation of experimental results has demonstrated the efficiency of the proposed algorithm for removing noise.
Quality Control and Signaling Strategy in Supply Chain
Authors: Zhu Li Long , You Jian Xin
Published: February 2011

Based on the principal-agent theory, this paper constructs quality signaling game model in supply chain under the condition of asymmetric information. The supplier makes the production process investment decision and determines the type of production process level (high level type or low level type), who will also make quality prevention strategy and determine its products quality prevention level. The manufacturer makes the quality appraisal strategy and processing strategy when it accepts the intermediary components, who will also determine its products quality inspection level and processing level. In this paper, we analyze the supplier may signal the type of production process investment level to the manufacturer in order to obtain the optimal incentive contracts. We take use of the optimal theory to establish supplier’s production process quality prevention model and manufacturer’s products quality inspection model and investigate the manufacturer's information rents to motivate supplier to improve products quality level. This paper will prove that: the supplier may have the incentives to signal the type of production process investment level to the manufacturer, and improve its products quality prevention level in its production process. When the manufacturer observes supplier’s signals of products quality level, it will reduce quality inspection level and improve processing level. With the improvement of supplier’s quality prevention level, its warranty payments and price rebate will decrease, the manufacturer will increase its upfront payments and reduce apportionment ratio of external failure cost. Meanwhile the integrated supply chain’s joint expected profits will also increase, and then the manufacturer will reduce the supplier’s information rents obviously. Above all, we analyze the causes of ratchet effects and provide corresponding quantitative descriptions and proofs for our conclusions respectively.
The Decision Analysis on the Development of Green Products Based upon Manufactures’ Competition
Authors: Cao Jian , Zhou Gen Gui , Qi Yu
Published: February 2011

Manufacturing green products is an important way for sustainable development of enterprises. In view of power shortage of green product innovation caused by the income uncertainty, combined with currently domestic conditions, the development of green products is divided into three stages: the innovation stage, the promotion stage and the popularization stage. Based on the game theory and related optimization approaches, how to make decision by manufactures at every stage are analyzed. The results show that, under the certain internal and external conditions, the innovator of the green product has the first-mover advantage, and the competition among peer manufactures is the important force and effective channel to spread the green products, and thus the consumer welfare is also increasing. The conclusions are helpful to guide the formulation and implementation of manufactures’ green-product development strategy, as well as the cultivation and development of the consumer market.
Study on Viscosity of Titania Bearing Blast Furnace Slag
Authors: Zhang Jin Zhu , Wen Ling , Long Ming Hua , Yang Bi Neng
Published: February 2011

The viscosity of blast furnace slag which was taken from Shuicheng Iron and Steel Group Co. Limited was experimentally measured by column whirling method using the ND-II slag viscosity tester. By adding analytical reagent CaO, SiO2, Al2O3, MgO and TiO2 in accordance with orthogonal design, the contents of compositions in slag were adjusted in CaO/SiO2=1.16-1.24, 14.06-17.06mass%Al2O3, 5-7mass%TiO2, 8.96-9.96mass%MgO. The results showed that the viscosity of BF slag decreased with increasing TiO2; when the Al2O3 content in the slag was 14.06%, the viscosity of BF slag had a lowest value, a highest value had for 15.56% Al2O3 content, and a lower value for 17.06% Al2O3 content. There is no significant effect on the viscosity by both the magnesia and the binary basicity.
Study on Automation Technology and Method of Forest Measurement in Fixed Sample Based on Total Station and PDA
Authors: Yan Fei , Guo Wei Wei , Feng Zhong Ke , Cao Meng Lei , Wu Lu Lu
Published: February 2011

In modern forest measurement situation that lack of good accuracy, in order to meet the needs of precision forestry and realize the precise measurement of every single tree, this paper introduces an automate technology and software platform of forest measurement in fixed sample. This technology and method can give full play to the precision total station angle measurement range function and PDA data processing and storage function, which are based on the communication system programming development of total station and PDA with WinCE. This automation technology are used to gain 3d coordinate, tree height, DBH and crown of trunks, it can both realize the automation process of testing trees and ensure the accuracy of measurement, improving the work efficiency greatly.
Reconstruction of the Stomach with Smooth Muscle Cell Seeded Constructs in Rat Model
Authors: Zheng Yi Xiong , Zhang Lu Qing , Bao Qi
Published: February 2011

We have developed a cell-seeded 3-dimension constructs tissue regeneration and used it successfully to repair defects of bone and cartilage. However, improvements of mechanical strength were demanded for clinical usage of reconstruction of gastrointestinal tracts. Rat model was used to evaluate whether PLGA constructs seeded with smooth muscle cells (SMC) could withstand suturing and anastomotic strength. Macrscopic, histological, and immunohistochemical assessment were performed to evaluate regeneration of stomach up to 14 days. SMC-seeded constructs show sufficient strength for suturing, no dehiscence, and better biocompatibility for clinical use, although further examination will be necessary to create a functional digestive tract.
Development of Fuzzy-PID Temperature Controller for Heating Furnace Based on ARM9
Authors: Zhang Xian , He Jian Wei , Wu Shou Jun
Published: February 2011

A fuzzy-PID temperature controller with excellent Man-machine interface was developed employing fuzzy-PID control theory combined with uC/OS-II embedded system based on S3 C2440, ARM9 kernel produced by the Samsung Company. The development is aim at improving overshoot and regulation delay in the existing temperature acquisition and control system. Reducing of regulation time and improvement of precision was achieved by using fuzzy-PID control without any accurate mathematical model. While shorten time and improve efficiency of development were achieved by transplantation of the uC/OS-II operating system.
Embedded Speech Recognition Based on Multiclass Support Vector Machine
Authors: Zhao Jun Feng , Zhu Ye Ping
Published: February 2011

This paper introduces the characteristics and requirements of speech recognition technology based on embedded platform. It also describes the basic theory and related properties of Support Vector Machine. The advantages and disadvantages of the Multiclass SVM algorithms are analyzed, providing the algorithms principles for training and recognition of SVM application in the embedded speech recognition system. Finally, we proposed a design strategy based on multiclass SVM decision tree classifier, combined with the features of the embedded speech recognition.
New Technology Research on Granulation of Methyl Cellulose
Authors: Ren Jian Hua , Wang Wei , Ren Jian Guo
Published: February 2011

Methyl Cellulose (MC) is a kind of water-solubility and non-ionic cellulose ethers, which has been used widely. Currently, the small bulk density and the slowly dissolving velocity are the main deficiencies of Methyl Cellulose. These two deficiencies of Methyl Cellulose can not meet the need of efficient working. The way of improving the fluidity and dissolution deficiency may be to increase bulk density and granulation. Current granulation method of Methyl Cellulose is logical but with low efficiency and high cost .So, it is necessary to develop a new technology to produce Methyl Cellulose grain with high bulk density and good dissolution. Based on the theoretical analysis, we develop a new manufacturing technique using co-rotating twin-screw extrude as a main device,together with other auxiliary equipments according to reasonable technical process. Through measuring the bulk specific weight of Methyl Cellulose, its solubility and luminousness in water, the optimum of the experiment is estimated .The preferable optimum condition parameters of increasing bulk density and granulation are that moisture content is 40-60 percent, temperature is 30-50°C, with intense mixing and extruding. Through increasing granulation, the bulk density is as twice as that of before, at the same time, the dissolution improves remarkably.
The Research of Hierarchy Assembly Semantic Model Based on Intelligent Assembly Process Planning
Authors: Lv Mei Yu , Hou Wen Jun , Li Xiang Ji
Published: February 2011

Through analysis of Traditional CAD software modeling methods, combined with process planning requirements of intelligent virtual assembly, in the proposed semantic-based multi-level top-down model of virtual assembly. This paper proposes a semantic-based top-down model of multi-level virtual assembly.On this basis, the assembly semantic information extraction process is Focused analyzed, in the three-dimensional model data, non-geometric factors such as assorted features, assembly features, assembly engineering relations are extracted, and modeling is Established by Protégé ontology-based tool, the model is imported into the 3DVAPP(3D Virtual Assembly Process Planning) system to be verified, and Finally this paper implementated the assembly process planning applications such as intelligent parts identification, Provide a theoretical and practical basis for intelligent virtual assembly.
Research of Decision-Making in the Multi-Agent System Based on Interactive Influence Diagrams
Authors: Li Bo , Luo Jian , Zhuang Jin Fa
Published: February 2011

Interactive influence diagrams(I-IDs) offer a transparent and representation for the decision-making in multiagent settings. In I-IDs, for the sake of predicting the behavior of other agent accurately, the modeling agent starts from an initial set of possible models for another agent and then maintains belief about which of those models applies. This initial set of models in the model node is typically a fully specification of possible agent types. Although such a rich space gives the modeling agent high accuracy in its beliefs, it will also incur high cost in maintaining those beliefs. In this paper, we demonstrate that we can choose a minimal, but sufficient, space of mental models by combining models that action or utility equivalence. We illustrate our framework using the two-tiger game and provide empirical results by showing the minimal mental model spaces that it generates.
Research and Implementation of Color Schemes in Color Digital Jacquard CAD
Authors: Fang Peng , Sun Yong , Rui Yan Nian
Published: February 2011

In color digital jacquard CAD system, the design of the color schemes is both significant and challenging. This paper mainly deals with how to design the jacquard scheme for each color in standard 256 color table with the given 6 different yarns. The features of the color schemes designed in this paper are as follows: 1. Manual operations are avoided in the process of yarn color selection; 2. Engineering difficulties are reduced through lessening the number of the yarns used for the weft; 3. The back side of the jacquard products is no longer in a mess; 4. With only a few changes, the color schemes in this paper can be comfortably applied to the present jacquard machines. In this way, we can not only improve the production efficiency, but also broaden the application market of color digital jacquard technology.
A Novel Method of Identifying Threshold for Gabor Transform Filter Based on Inter-Cluster Distance Probability
Authors: Fan Di , Cao Mao Yong , Rai Lax Misha
Published: February 2011

Gabor transform suitable for time-frequency analysis and good for filtering non-stationary signals. The threshold of the Gabor transform filter is a key factor for the filter’s effectiveness. The popularly used threshold obtained by linear method is not suitable for non-stationary signals with low signal to noise ratio (SNR) because, it cannot separate the expansion coefficients of noise and useful signals. In this paper, a novel method to identify Gabor transform filter’s threshold based on initial highest inter-cluster distance probability is proposed. Simulation experiments have been carried out under several conditions. The experimental results show that the proposed threshold is highly suitable, especially when the signal’s SNR is very low and the filter output is very consistent to the real original signal and keeps no pseudo signal in zero regions.
Research on Compressive Resistance of Honeycomb Paperboard with Different Number of Paper-Core
Authors: Gao Long Shi , Lv Yuan Jun
Published: February 2011

Compressive performance of honeycomb paperboard with different number of paper-cores had been analyzed to meet the need of honeycomb paperboard produce. First, the models were built after buckling theory analysis. Dynamic characteristics of nonlinear collapse process under axial dynamic load were analyzed in the FEA software. It was indicated that: the collapsing process was divided into four parts: linear elastic phase, elastic-plasticity phase, plasticity collapse phase and densification phase. When the number of cores increased, the models had a bearing up on compressive strength. At last, the compressive performance had been verified by experiment.
Research on Influencing Factors for Facilitating Innovation Capability: Evidence from Chinese High-Tech Industries
Authors: Li Wu Wei
Published: February 2011

For the studies on the innovation capability, there are many limitations in using traditional statistical techniques. The grey system theory proposed in this paper is to supplement the limitations of using traditional techniques and it is more suitable to figure out the significance of influencing factors for facilitating innovation capability. Based on the statistical data from Chinese high-tech industries, over the period 2006-2008, this paper used fifteen indicators affecting the innovation capability, and it applied grey relational analysis to find out the significant factors. The results show that expenditure and persons engaged in science and technology activities are the significant factors affecting innovation capability within Chinese high-tech industries, and the efficiency for input-output of resources is less significant factor, which implies that the efficiency for input-output within Chinese high-tech industries is lower, and its effect to facilitate Chinese high-tech industrial innovation capability is insignificant. In order to facilitate Chinese high-tech industrial innovation capability, the government and enterprises should pay enough attentions to not only the expenditure and personnel engaged in science and technology activities, but also enhancing the efficiency for input-output of technology resources.
Statistical Analysis on Practice of Human Capital Pricing within Chinese Aeronautical Manufacturers
Authors: Li Wu Wei
Published: February 2011

With the economic globalization and entry’s into World Trade Organization (WTO), human capital pricing has been great strategy fulcrum of Chinese economic growth gradually. At present, sufficient theory guidance on human capital pricing can not be supplied because of studies on human capital pricing is underway stage. This paper, based on the international studies on human capital pricing, analyzes practice of human capital pricing within Chinese aeronautical manufacturers via statistical analysis by the usage of Statistic Product of Science and Society (SPSS). It aims to identify key factors of human capital pricing in China, which can provide decision support for Chinese aeronautical manufacturers.
Risk Assessment of Investment Projects Based on Principal Component Analysis
Authors: Li Yong Chen , Zhang Ling , He Jun Shi
Published: February 2011

Investment risk assessment is a very complex system evaluation problem. According to the evaluation results, investors can determine whether to invest in the project and take measures to avoiding risk.Choosing a evaluation method reasonablely is the key step.In this paper, the writer uses principal component analysis to evaluate investment projects and the principal component analysis method also can be exerted more proficiently.
Assembly and Disassembly via Automation Tools
Authors: Javorova Angela , Hrušková Erika , Velíšek Karol
Published: February 2011

Assembly and disassembly is a new and also a rapid developed trend in manufacturing area. In the future the assembly and disassembly will be one inseparable part of manufacturing process. Especially automated disassembly is a technology, which is trying to satisfy needs and requirements. Many of special requirements are supported by international institutions, research programs and foundations. In our Institute of Manufacturing Systems and Applied Mechanics at Faculty of Materials Science and Technology the project named Intelligent assembly cell is realized. Within the frame of this project designing of structure, following of several assembly steps, organization of material flow and others is processed. Currently disassembly is one part of solving problems as assembly. Automated disassembly technique allows an automated separation of various parts, from which was disassembled product created.
Quality of Service Support in Wireless Sensor Networks
Authors: Tati Reza , Ahmadi Fariborz , Jafari Farhad , Tofighi Mostafa
Published: February 2011

All of middlewares of modern wireless sensor networks has this weakness that many of these middlewares have the ability to simultaneous support from limit amounts of quality of service parameters. Our aim is simultaneous and dynamic support from several quality of service measure in middleware layer with obtained weight coefficients. In this paper, we add a layer of Quality of service management to middleware, in which this layer has duty of service of Quality of service management and control. This layer answers demanded Quality of service improvement from application by wireless sensor network.
Rolling Process of Ribs with Triangular Cross Section on Surface of Copper Tube
Authors: Guo Yu , Huang Long Wu , Li Dong Yu , Wan Zhen Ping
Published: February 2011

Ribs with triangular cross section can be obtained by rolling process on copper tube surface. The ribs are the basis for machining 3D Integral External Finned Tube. Triangular ribs on a red copper tube with 12.6mm diameter and 1.25mm wall thickness are fabricated under, the feed rate of 0.15mm/r, the speed of 2m/min, and rolling depth from 0.1mm to 0.85mm.In this study, four kinds of ribs are obtained. After the analysis of the relationship between rolling depth and the rib structure, the optimal single triangular rib can be obtained on condition that the rolling depth is 0.75mm.
Research on Diffusion Behavior of ERP under the Influence of Government
Authors: Cao Hai Wang , Xue Chao Gai
Published: February 2011

To better apply ERP, it is necessary to understand its developing rules and influencing factors in the diffusion process. Firstly, properties of ERP diffusion are analyzed, and its diffusion mechanism is discussed. Secondly, under some assumptions, a nonlinear differential model is constructed, in which three kinds of enterprises are considered, and government is regarded as an important factor. Thirdly, the model is analyzed, and qualitative results are given. Finally, the application of the diffusion model is exemplified and simulated by Vensim, and the parameter influence is given. This study assists enterprises to analyze trends of ERP and make reasonable decisions, and provides theory basis for government strategies.
Thermal Stress Analysis of a Multi-Layered Structure
Authors: Her Shiuh Chuan , Lin Chin Hsien
Published: February 2011

Analytical model based on the Bernoulli beam theory and strain compatibility conditions at the interfaces between the two layers have been developed to predict the distribution of thermal stresses within the multi-layered structure due to the mismatch of thermal expansion. The closed-form solution of thermal stresses related to the material properties and geometry were obtained. It is useful to provide a simple and efficient analytical model, so that the stress level in the layers can be accurately estimated. The analytical results are compared with finite element results. Good agreement demonstrates that the proposed approach is able to provide an efficient way for the calculation of the thermal stresses.
Analysis of Flowing Characteristics of Abrasive Flow Machining in Slit
Authors: Dong Zhi Guo , Zhang Xiao Dong , Li Yuan Zong
Published: February 2011

Based on the equations of motion and rheological theory of abrasive flow in the slit, effect between wall slip and grinding has been analyzed and grinding flow model of abrasive flow has been built in this paper. Wall pressure, wall shear stress, wall slip and the grinding force equation of abrasive flow were derived using the model. What is important, the effects of relevant factors were analyzed. The results show that wall slip is one of the necessary conditions that in abrasive flow machining, and show that main factors influencing wall slip are viscosity coefficient , grinding coefficient of abrasive flow, and the first normal stress difference. In the meantime, the results also show that grinding force in slit wall is proportional to the entrance pressure of slit. That is to say that the grinding force of per unit length in flow direction increasing dramatically with decreasing slit height.
Description Pattern of Design Knowledge Databases
Authors: Du Jiang , Cao Yan
Published: February 2011

Aiming at the requirement to share and reuse the product design knowledge in product development process, the method to describe the product design knowledge is studied in the paper. The description level and contents of design knowledge are analyzed firstly, then the consistent description pattern of design knowledge Database is presented.
Development Strategy and Situation of Process in Advanced Manufacturing
Authors: Feng Xian Zhang , Li Yun Hua , Wang Jin Feng , Wang Dan
Published: February 2011

Advanced manufacturing technology is one of the modern frontier disciplines of science and technology, which is the aim with the fastest speed, lowest cost to provide users with useful high-quality products. It is manufacturing process method with changing and development for process, and is also the core technology and infrastructure to advanced manufacturing technology for advanced manufacturing technology. On the basis of presentation of feature and characteristic of advanced manufacturing process, this paper mainly discusses the trend for development of advanced manufacturing technology, and looks forward to applying the advanced manufacturing process in our country.
Research on the Improved Apriori Based on Rough Set Method
Authors: Luo Xian Wen
Published: February 2011

The paper adopts the knowledge reduction method in Rough Set theory to adjust Apriori Algorithm and proposes “Itemset Reduction Method”to reduce the amount of the candidate sets and improve the effeciency of the algorithm. In the experiments of the research, the results of both the improved algorithm and Apriori Algorithm are compared, and ideal results are gained.
Research on Evaluation of Auto Parts Suppliers by VIKOR Method Based on Intuitionistic Language Multi-Criteria
Authors: Lu Shan , Tang Jing
Published: February 2011

This paper, based on the current problems auto parts suppliers are facing and the development trend of auto industry, aims to build up an evaluating system for auto parts suppliers, which includes four indices, namely, service ability, enterprise competence, cooperative ability and ability of sustainable development, by considering comprehensively the high-tech trend of production technology, diversification of customers’ demands, changes in the cooperative relations between vehicle companies and auto parts suppliers as well as the development of information technology. The VIKOR method based on intuitionistic language multi-criteria is applied in this paper for evaluating auto parts suppliers, and the efficiency and practicability of the related evaluating principles and ways are also verified through empirical studies.
Influence of Ammonia on the Fabrication of Aligned Carbon Nanotubes Using Thermal CVD
Authors: Li Gang , Cheng Wen Ming
Published: February 2011

Ultra-thin (20 nm) nickel catalyst films were deposited by sputtering on SiO2/Si substrates. At the pretreatments, ammonia (NH3) was conducted for different time in a thermal chemical vapor deposition (CVD) system. Pretreated samples were characterized using atomic force microscopy (AFM). After the pretreatment, acetylene was introduced into the chamber for 10 min, samples were characterized using scanning electron micrograph (SEM) and X-ray diffraction (XRD). It was concluded that NH3 pretreatment was very crucial to control the surface morphology of catalytic metals and thus to achieve the vertical alignment of carbon nanotubes (CNTs). With higher density of the Ni particles, better alignment of the CNTs can be obtained due to steric hindrance effect between neighboring CNTs.
A New Sensor-Based Temperature Measuring System with High Accuracy for Wide Temperature Range Applications
Authors: Zhang Yu , Zhang Sheng Wei , Huang Ying Zhu , He Jie Ying
Published: February 2011

A new sensor-based temperature measuring system with high accuracy is presented in this paper. The temperature accuracy smaller then 0.02K is the measured performance of the measuring system after calibration at ten temperatures, over the -50°Cto 300°C targeted temperature range. Comparing with the traditional temperature measuring system, the advantages of the new sensor-based temperature measuring system are the high precision, immunity to noise, independent with the length of sensor wires and remote operation. And all these are at a low cost with less then 36mW of power consumption. Therefore the sensor-based temperature system is suitable for any field where reliable and accurate temperature measurement or a wide measurement range is necessary.
High Accuracy Simulation for the Weakly Coupled System of Two Second Order Ordinary Differential Equations
Authors: Cai Xin
Published: February 2011

Coupled system of two second order ordinary differential equations with small parameter was considered. This is a multi-scale system. The solution of the system will change rapidly near both sides of the boundary layer. The system was decomposed into several systems in order to have fourth order asymptotic decomposition firstly. The asymptotic properties of all these systems were discussed secondly. The third order numerical methods were constructed for left side and right side singular component systems thirdly. The error estimation for the system was given finally.
The Research of Lorenz Chaos Mapping Method to Mechanism Synthesis
Authors: Luo You Xin , Liu Qi Yuan
Published: February 2011

Newton iterative method is an important technique to one dimensional and multidimensional variables and iterative process exhibits sensitive dependence on initial guess point. The property of chaos serials produced by Lorenz chaos mapping method was analyzed. For the first time, a new method to find all solutions based on utilizing Lorenz chaos mapping to obtain locate initial points to find all solutions of the nonlinear questions was proposed. The numerical examples in linkage synthesis and approximate synthesis show that the new method is correct and effective.
The Research of Chebyshev Chaos Mapping Method to Mechanism Synthesis
Authors: Luo You Xin , Liu Qi Yuan , Che Xiao Yi
Published: February 2011

Many questions in natural science and engineering are transformed into nonlinear equations to be found. Newton iterative method is an important technique to one dimensional and multidimensional variables and iterative process exhibits sensitive dependence on initial guess point. The property of chaos serials produced by Chebyshev chaos mappings was analyzed. For the first time, a new method to find all solutions based on utilizing Chebyshev chaos mappings to obtain locate initial points to find all solutions of the nonlinear questions was proposed. The numerical examples in linkage synthesis and approximate synthesis show that the new method is correct and effective.