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Digital Manufacturing and Automation (ICDMA), 2011 Second International Conference on

Date 5-7 Aug. 2011

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Displaying Results 1 - 25 of 353
  • [Cover art]

    Publication Year: 2011 , Page(s): C1
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  • [Title page i]

    Publication Year: 2011 , Page(s): i
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  • [Title page iii]

    Publication Year: 2011 , Page(s): iii
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  • [Copyright notice]

    Publication Year: 2011 , Page(s): iv
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  • Table of contents

    Publication Year: 2011 , Page(s): v - xxvi
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  • Preface

    Publication Year: 2011 , Page(s): xxvii
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  • Organizing Committee

    Publication Year: 2011 , Page(s): xxviii
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  • Technical Program Committee

    Publication Year: 2011 , Page(s): xxix
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  • Reviewers

    Publication Year: 2011 , Page(s): xxx
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  • A 5-80MHz CMOS Gm-C Low-Pass Filter with On-Chip Automatic Tuning

    Publication Year: 2011 , Page(s): 1 - 4
    Save to Project icon | Request Permissions | Click to expandAbstract | PDF file iconPDF (227 KB) |  | HTML iconHTML  

    A fifth-order CMOS Gm-C Chebyshev low-pass filter with a tunable cutoff frequency of 5-80 MHz is presented. A phase-locked loop (PLL) frequency synthesizer control system automatically references the frequency response of the filter to an external fixed clock frequency. Spectre simulation results of the 1.8-V filter in a 0.18-μm CMOS process show that the cutoff frequency varies by less tha... View full abstract»

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  • A New Type Reducer Design Method of First Selection

    Publication Year: 2011 , Page(s): 5 - 7
    Save to Project icon | Request Permissions | Click to expandAbstract | PDF file iconPDF (325 KB) |  | HTML iconHTML  

    In order to solve the gear reducer first selection design basis, the problem of insufficient, apply optimized design theory, write gear reducer first selection design mathematical model. Use level 2 inclined gear reducer as an example, write MATLAB and graphic interface, summarizes the total ratio under different conditions, power and reducer total of center distance change rule. View full abstract»

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  • A Cohesive Zone Model in Adhesive Bonding Joint Based on MSC.marc

    Publication Year: 2011 , Page(s): 8 - 11
    Save to Project icon | Request Permissions | Click to expandAbstract | PDF file iconPDF (590 KB) |  | HTML iconHTML  

    Cohesive bonding is usually used in aircraft and automobile industries. In this paper, a simulation model based performance analysis approach is proposed to estimate the effect of parameters on the bonding performance. Simulation model is built based on the commercial software MSC.marc, upon which two performance analyses are carried out. One is the effect of the parameters, including cohesive thi... View full abstract»

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  • A Comprehensive EF-Based and AHP Integrated Approach to Construct Land Use Sustainable Evaluation Model

    Publication Year: 2011 , Page(s): 12 - 15
    Save to Project icon | Request Permissions | Click to expandAbstract | PDF file iconPDF (239 KB) |  | HTML iconHTML  

    This paper constructed land use sustainable evaluation model based on comprehensive ecological footprint and AHP. First, the thesis introduced ecological footprint analysis method and some related conceptions, then based on AHP and comprehensive EF constructed land use sustainable evaluation index system and model which was composed of three objectives, six sub-objective and seventeen indexes and ... View full abstract»

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  • A Design of CAN-bus Test System Based on Volkswagen PASSAT B5

    Publication Year: 2011 , Page(s): 16 - 19
    Cited by:  Papers (3)
    Save to Project icon | Request Permissions | Click to expandAbstract | PDF file iconPDF (303 KB) |  | HTML iconHTML  

    A design of test system based on CAN-bus and the automobile network theory is proposed. Several key methods to realize the process of design are discussed. These include signal test, data communication and network analysis. The CAN-bus test system based on Volkswagen PASSAT B5 is designed. Practical results demonstrate that the system has a favorable and reliable performance, and with a good appli... View full abstract»

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  • A Fast Approach to Judging Basic Element Intersection in Polygons Meshing

    Publication Year: 2011 , Page(s): 20 - 23
    Save to Project icon | Request Permissions | Click to expandAbstract | PDF file iconPDF (363 KB) |  | HTML iconHTML  

    Classic collision detection methods adopt hierarchical structure based on bounding box, judgment intersection efficiency is key factor that effects collision detection efficiency. A fast approach to judging basic element intersection in polygons meshing is presented to improve judgment intersection efficiency. First, this approach discusses the clamping-edge pair existence form in each polygon bas... View full abstract»

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  • A Fuzzy Control Method Based on Information Integration for Double Inverted Pendulum

    Publication Year: 2011 , Page(s): 24 - 27
    Save to Project icon | Request Permissions | Click to expandAbstract | PDF file iconPDF (356 KB) |  | HTML iconHTML  

    This article proposes a new fuzzy controller based on information integration. The mathematical model of linear double inverted pendulum has been studied and established with dynamics analytical method and LQR theory is used to design the optimal linear inverted pendulum controller, then, the integration technology is used to design the variable parameters self-tuning fuzzy controller. Thereby, th... View full abstract»

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  • A Hierarchical Algorithm for Document-Images Fast Matching

    Publication Year: 2011 , Page(s): 28 - 33
    Save to Project icon | Request Permissions | Click to expandAbstract | PDF file iconPDF (319 KB) |  | HTML iconHTML  

    As digital Libraries and document images largely use in the network, how to retrieve them quickly become one of the key issues. This paper presents a hierarchical matching algorithm to achieve fast retrieval of document images. Firstly, we can quickly find the possible matching location through approximate string matching algorithms, and then, use this location as a reference point in the target i... View full abstract»

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  • A High Efficiency TANDEM Pulsed MAG Welding Machine

    Publication Year: 2011 , Page(s): 34 - 37
    Save to Project icon | Request Permissions | Click to expandAbstract | PDF file iconPDF (488 KB) |  | HTML iconHTML  

    The high efficiency TANDEM pulsed MAG welding machine is a efficient machine which used widely in the welding filed. TANDEM pulsed MAG welding machine 's heat input the adjusting range is wide and have high efficiency electric energy, It's a high quaLity and high efficient machine. Our TANDEM pulsed MAG welding machine used the 16-bit single chip dsPIC30F6011 to be the main control chip, two 8-bit... View full abstract»

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  • A Loss Assessment Design Method Based on SOA for Insurance Informationization

    Publication Year: 2011 , Page(s): 38 - 41
    Save to Project icon | Request Permissions | Click to expandAbstract | PDF file iconPDF (453 KB) |  | HTML iconHTML  

    The loss assessment is an important operation of claim process in insurance industry. On the growing tide of making the insurance information system the in-depth support to optimizing operation and serving insurant, a methodological framework for the loss assessment is given based on SOA technology, Under the framework, the operation process design, the client design, the service design and the da... View full abstract»

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  • A Method of Second Wavelet Transform Automated Threshold for Partial Discharge Signal Extraction

    Publication Year: 2011 , Page(s): 42 - 45
    Cited by:  Papers (1)
    Save to Project icon | Request Permissions | Click to expandAbstract | PDF file iconPDF (221 KB) |  | HTML iconHTML  

    The existence of partial discharge in high voltage insulation can lead to insulated degradation, and even breakdown. Wavelet transform has the characteristics of multi-resolution analysis, and it has time-frequency locaLization characteristics, which is suitable for smooth, the non-stationary signal analysis. In paper, Auto threshold algorithm of second wavelet transform is used in extraction of p... View full abstract»

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  • A Micro Wall-Climbing Robot Using Shape Memory Alloy

    Publication Year: 2011 , Page(s): 46 - 49
    Save to Project icon | Request Permissions | Click to expandAbstract | PDF file iconPDF (272 KB) |  | HTML iconHTML  

    This paper presents and discusses the design of SMA driving a micro biped wall-climbing robot. The robot has a symmetrical configuration, and its motion is controlled by shape memory alloy (SMA) actuator that replaces the traditional motor. SMA actuator overcomes the problems by traditional motor driver such as complex structure, quality. According to the DSP technology, design the DSP controller ... View full abstract»

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  • A Middleware Architecture for Sensor Networks Applied to Industry Solutions of Internet of Things

    Publication Year: 2011 , Page(s): 50 - 54
    Save to Project icon | Request Permissions | Click to expandAbstract | PDF file iconPDF (420 KB) |  | HTML iconHTML  

    With the deployment and application of Internet of Things, sensor network middleware has become an increasingly important factor to facilitate the programmer task and bridge the gap between the applications and the underlying hardware. Current state-of-the-art middleware for sensor networks lack attention for integrating services into a generic architecture and present inflexibility that make them... View full abstract»

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  • A Mixed Noise Filter Acceleration Algorithm Based on Mean Value and Variance Similarity

    Publication Year: 2011 , Page(s): 55 - 58
    Save to Project icon | Request Permissions | Click to expandAbstract | PDF file iconPDF (2243 KB) |  | HTML iconHTML  

    A mixed noise filter acceleration algorithm base on mean value and variance similarity is proposed, Which is a improvement of existing better filter algorithm MNF in the present. The algorithm is to Classify of mean value and variance similarity is a local neighborhood of a pixel, the around pixels are divided into two types: similar or not similar. Similar pixels participate in filter algorithm, ... View full abstract»

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  • A Modified Vector Control of PMSM Based on Matrix Converter

    Publication Year: 2011 , Page(s): 59 - 62
    Save to Project icon | Request Permissions | Click to expandAbstract | PDF file iconPDF (351 KB) |  | HTML iconHTML  

    Vector control of permanent magnet synchronous motor (PMSM) using modified current hysteresis control based on matrix converter (MC) is discussed. In order to improve utilization of input voltage resources, input voltages are divided into 12 sections within one periond. A modified current controller composed of two nested current hysteresis control is analyzed in details. According to outputs of c... View full abstract»

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  • A New Method to Fault Diagnosis for Circuit Breakers Based on Characteristic Entropy of Wavelet Packet

    Publication Year: 2011 , Page(s): 63 - 67
    Save to Project icon | Request Permissions | Click to expandAbstract | PDF file iconPDF (238 KB) |  | HTML iconHTML  

    In this paper a new method to fault diagnosis for circuit breakers is presented based on the principle of wavelet packet and characteristic entropy. The method introduces the way to abstract the characteristic entropy from vibration signals of HVCB. Firstly, the vibration signal is decomposed by the three-layer wavelet packet, and eight signals of each junction at the third level are reconstructed... View full abstract»

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