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2012 Third International Conference on Digital Manufacturing & Automation

July 31 2012-Aug. 2 2012

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Displaying Results 1 - 25 of 259
  • [Back cover]

    Publication Year: 2012, Page(s): C4
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  • [Title page i]

    Publication Year: 2012, Page(s): i
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  • [Title page iii]

    Publication Year: 2012, Page(s): iii
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  • [Copyright notice]

    Publication Year: 2012, Page(s): iv
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  • Table of contents

    Publication Year: 2012, Page(s):v - xix
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  • Preface

    Publication Year: 2012, Page(s): xx
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  • Organizing Committee

    Publication Year: 2012, Page(s): xxi
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  • Technical Program Committee

    Publication Year: 2012, Page(s): xxii
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  • Reviewers

    Publication Year: 2012, Page(s): xxiii
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  • 3D Model Retrieval Based on Projected Area at Mesh Vertex

    Publication Year: 2012, Page(s):1 - 4
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (340 KB) | HTML iconHTML

    The conventional shape feature-based method did not describe the local feature enough. This paper proposed a new 3D model retrieval method based on projected area at mesh vertex. First, sum the projected area on vertical plane of the normal vector at mesh vertex, then normalized the list of the projected area distributions and transfer these data by Fourier transform method. Then the result is def... View full abstract»

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  • A Policy-Based Adaptive Scheduling Model of Software Resource in ITSGrid

    Publication Year: 2012, Page(s):5 - 8
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (315 KB) | HTML iconHTML

    Because of the distribution and heterogeneity of application software license resource in ITSGrid, more than one resource node could satisfy requirements of large-scale computing services in ITSGrid. How to select software license resources among ITS resource nodes, determine appropriate license resource scheduling strategy for computing tasks and maximize utilization rate of expensive large-scale... View full abstract»

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  • A Bandwidth Allocation Strategy Based on the Proportion of Measurement Error in Networked Control System

    Publication Year: 2012, Page(s):9 - 12
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (186 KB) | HTML iconHTML

    Considering bandwidth limitation of networked control system (NCS), the performance of control system must be guaranteed and the bandwidth resources should be rational utilization. In order to realize the co-design of control and scheduling in networked control system, a proportion type of bandwidth allocation strategy is proposed in this paper. The remote controller which contains a QoS regulator... View full abstract»

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  • A Case Study of LCA for Environmental Protection in Steel Company

    Publication Year: 2012, Page(s):13 - 16
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (266 KB) | HTML iconHTML

    In China, as sustainable development strategy being implemented, quantitative evaluation of environmental load in steel industry has paid been more and more attention. In this paper, Life Cycle Assessment (LCA) was applied in evaluation of the steel production process, analyzing the energy and materials consumption of Tangshan stainless steel industry in 2009. Based on inventory analysis, environm... View full abstract»

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  • A Comparative Study on Airbag Inflation Properties Using CV and ALE-Based Approaches

    Publication Year: 2012, Page(s):17 - 20
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (258 KB) | HTML iconHTML

    This paper compared airbag deployment properties between two simulation approaches in LS-DYNA: the thermodynamic-based control volume (CV) method and the Arbitrary-Lagrange-Eulerian (ALE-based) method. The results from airbag static deployment test and head form impact test indicated that the ALE approach is more accurate than CV approach in simulating airbag initial deployment stage, and the simp... View full abstract»

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  • A Comparative Study on Biofidelity between TRL and LSTC Legform Impactor

    Publication Year: 2012, Page(s):21 - 24
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (214 KB) | HTML iconHTML

    The purpose of this paper is to compare the biofidelity of LSTC and TRL legform impactor. A finite element model of simplified front vehicle structure was established. The simulation tests were conducted by using this simplified car model against two different legform impactors and a FE lower extremity, respectively at a speed of 40km/h. The simulation results from the two legform impactors were c... View full abstract»

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  • A Compound Control for PMSM Based on Fuzzy Sliding-mode and Neural Network

    Publication Year: 2012, Page(s):25 - 29
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1404 KB) | HTML iconHTML

    Permanent magnet synchronous motor (PMSM) system has many characteristics such as nonlinearity, time-varying parameters and complex modeling. PMSM system is required to become quick response and insensitivity to the variation of parameters and disturbance especially in the electric vehicle. In order to solve the problems, this paper presents a new compound control method containing fuzzy control, ... View full abstract»

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  • A Comprehensive Model for Evaluation of Carbon Footprint and Greenhouse Gages Emission in Household Biogas Plants

    Publication Year: 2012, Page(s):30 - 35
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (316 KB) | HTML iconHTML

    Based on Life Cycle Assessment and other related methods, this paper introduced a comprehensive model for the evaluation of the carbon footprint and greenhouse gases emission in household biogas plants including nearly all the processes of the household biogas project, such as the collection of raw materials, fermentation processing, and fermentation residue processing and so on. The carbon footpr... View full abstract»

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  • A Design and Implementation of Decimal Floating-point Multiplication Unit Based on SOPC

    Publication Year: 2012, Page(s):36 - 41
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (407 KB) | HTML iconHTML

    Processor design is a widely studied topic in computer system architecture design. How to improve computer performance is an important part of the computer overall design. In general processors, multiplication components play a decisive role in processor's performance. An important and frequent operation in decimal computations is multiplication. However, due to the inherent inefficiency of decima... View full abstract»

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  • A Fast Ellipse Detection Method in Planar Target Image

    Publication Year: 2012, Page(s):42 - 45
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (139 KB) | HTML iconHTML

    Aim at the target image with high quality and strong regular pattern, a fast ellipse detection method is presented in this paper. According to the topological structure of the target pattern, the method quickly collects edge points and calculates the possible ellipses, then verifies the possible ellipses to further determine the final correct geometric parameters of ellipses by using the ellipse r... View full abstract»

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  • A Fault Feature Extraction Method for Machine Health Diagnosis Using Manifold Learning

    Publication Year: 2012, Page(s):46 - 49
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (209 KB) | HTML iconHTML

    The fault signature can be revealed by vibration analysis in machine fault detection and diagnosis. It is difficult to evaluate the status of machine for that non-stationary and non-linear vibrations are often caused in machine working process. Manifold learning is a new method for dimensionality reduction and information mining of nonlinear data. In this paper, four statuses of rolling bearing we... View full abstract»

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  • A Flexible Part Library System

    Publication Year: 2012, Page(s):50 - 53
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (416 KB) | HTML iconHTML

    In mechanical product design, designers usually reuse a large number of standard parts and commonly used typical structures accumulated in long-term industry design practice. In this paper, a flexible part library system is proposed to promote the flexibility of PLS. The system uses a flexible part information presentation and User dynamic interface to realize the parameter diversity, and can adap... View full abstract»

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  • A Fully Integrated Single Photon Avalanche Diode Detector in 130 nm CMOS Technology

    Publication Year: 2012, Page(s):54 - 57
    Cited by:  Papers (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (227 KB) | HTML iconHTML

    Measurement of weak optical signals is becoming more and more prevalent in different fields of science. Single Photon Avalanche Diode (SPAD) is one of the most important active devices that are able to detect photons. When a photon is detected, the SPAD will generate an increasing current and a short duration voltage pulse. As a result, this SPAD device must be biased by a quenching circuit, which... View full abstract»

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  • A Group-Based Hybrid Wear-Leveling Algorithm for Flash Memory Storage Systems

    Publication Year: 2012, Page(s):58 - 61
    Cited by:  Papers (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (257 KB) | HTML iconHTML

    Wear-leveling algorithm is required in most flash memory controllers to prolong the lifetime of flash memory by distributing the erase operations evenly across the whole flash memory. This paper proposes a group based wear-leveling algorithm which can dramatically reduce the RAM space required by wear-leveling algorithm while maintaining the wear-leveling performance. We adopt random wear-leveling... View full abstract»

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  • A High Capacity Information Hiding Method for Webpage Based on Tag

    Publication Year: 2012, Page(s):62 - 65
    Cited by:  Papers (2)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (138 KB) | HTML iconHTML

    Current Information hiding algorithms for webpage have some shortcomings, such as the ability of concealment is poor and the embedded capacity is little. As the tag and its' attributes have multi-express rules, a new information hiding algorithm is proposed in this paper. This Information hiding algorithm sets secret information into a binary sequence, then set 3 bits as a set to be hidden in page... View full abstract»

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  • A Load Balanced Differentiated Services Support CICQ Switch

    Publication Year: 2012, Page(s):66 - 71
    Cited by:  Papers (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (230 KB) | HTML iconHTML

    How to provide quality of service (QoS) guarantees in routing and switching systems has become one of the key research topics in the areas of routing and switching technologies. Differentiated services architecture (DiffServ) is known as a promising way for supporting QoS in a high-speed backbone network scenario. However, the measurement indexes for realtime multimedia traffic, which plays very i... View full abstract»

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