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Measuring Technology and Mechatronics Automation, 2009. ICMTMA '09. International Conference on

Date 11-12 April 2009

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  • [Front cover - Vol 3]

    Publication Year: 2009 , Page(s): C1
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  • [Title Page i - Volume 3]

    Publication Year: 2009 , Page(s): i
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  • [Title page iii - Volume 3]

    Publication Year: 2009 , Page(s): iii
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  • [Copyright notice - Volume 3]

    Publication Year: 2009 , Page(s): iv
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  • Table of contents - Volume 3

    Publication Year: 2009 , Page(s): v - xix
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  • Preface - Volume 3

    Publication Year: 2009 , Page(s): xx
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  • ICMTMA 2009 Organizing Committee - Volume 3

    Publication Year: 2009 , Page(s): xxi
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  • ICMTMA 2009 Program Committee - Volume 3

    Publication Year: 2009 , Page(s): xxii
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  • Accelerated Fatigue Bench Test of Driving Axle Housing Based on FEA

    Publication Year: 2009 , Page(s): 3 - 6
    Save to Project icon | Request Permissions | Click to expandAbstract | PDF file iconPDF (565 KB) |  | HTML iconHTML  

    By conducting static strength analysis, fatigue life prediction, strain history acquisition and time correlated damage analysis under the FE simulation circumstance, the deducted load spectrum for accelerated fatigue bench test of a special construction vehicle driving axle housing was acquired. The result of bench test shows that the deducted load spectrum can significantly reduce the test period... View full abstract»

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  • Accuracy Synthesis of Stewart Platform Used in Testing System for Spacecraft Docking Mechanism

    Publication Year: 2009 , Page(s): 7 - 10
    Save to Project icon | Request Permissions | Click to expandAbstract | PDF file iconPDF (392 KB) |  | HTML iconHTML  

    Stewart platform used in testing system for two spacecraftpsilas motion docking mechanism requires high accuracy to achieve better simulation result. In this paper, an accuracy synthesis of the Stewart platform used in a testing system for spacecraft docking mechanism is presented. The method is based on the error model formed through differentiation of the kinematics equations of the platform and... View full abstract»

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  • Accurate Equivalent Beam Model of a Planar Compliant Mechanism with Elliptical Flexure Hinges

    Publication Year: 2009 , Page(s): 11 - 14
    Save to Project icon | Request Permissions | Click to expandAbstract | PDF file iconPDF (548 KB) |  | HTML iconHTML  

    An accurate and efficient equivalent beam model(EBM) for a planar compliant mechanism with ellipticalflexure hinges is presented. First, based on 3D finite element analysis (FEA) for one-eighth of a single elliptical flexure hinge, a set of fictitious beams with identical stress and stiffness characteristics is derived. Then the static and dynamic performances of an eight-bar compliant mechanism w... View full abstract»

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  • Algorithm of Pencil-Cut Tool Path Generation for Five-Axis NC Machining of Complex Polyhedron

    Publication Year: 2009 , Page(s): 15 - 18
    Save to Project icon | Request Permissions | Click to expandAbstract | PDF file iconPDF (289 KB) |  | HTML iconHTML  

    In this paper, a new method is proposed to detect clean-up regions and generate pencil-cut tool paths for machining complex polyhedron. The pencil-cutting is to remove the uncut volumes left at the regions that a larger cutter cannot machine during finishing process. In this paper, the surface is discrete by a series of quadrilateral grids. The method is used to gain the normal vector and the angl... View full abstract»

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  • Analytical Investigation of Dynamic Characteristic for Stator End-Winding of Turbo-generator of 600MW

    Publication Year: 2009 , Page(s): 19 - 21
    Save to Project icon | Request Permissions | Click to expandAbstract | PDF file iconPDF (377 KB) |  | HTML iconHTML  

    The stator end-winding is the key component of turbo-generator running in normal status. For exploring the quality characteristics for stator end-winding of large capacity turbo-generator of 600 MW, the test modal based on architectural characteristics is established. The hammering method is used for testing process and the modal parameters of stator end-winding are determined by means of modal an... View full abstract»

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  • Applications of Finite Element Method in Large-Diameter Longitudinal Welded Pipe

    Publication Year: 2009 , Page(s): 22 - 25
    Save to Project icon | Request Permissions | Click to expandAbstract | PDF file iconPDF (344 KB) |  | HTML iconHTML  

    Large-diameter longitudinal welded pipe is the main form of energy transport, and used widely in the area of oil and gas transportation. In this paper, large-diameter longitudinal welded pipe forming methods are introduced, and a review on recent research results of finite element simulation technology in the production of large-diameter longitudinal welded pipe are made, in particular JCO/JCOE pi... View full abstract»

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  • Automatic Super Finish Characterizations on Screw Surfaces

    Publication Year: 2009 , Page(s): 26 - 29
    Save to Project icon | Request Permissions | Click to expandAbstract | PDF file iconPDF (251 KB) |  | HTML iconHTML  

    An effectively automotive control system of super finish module that employs an electrode connecting with a nonconductive grinding-tool as a finish-tool to execute the automatic continuity finish processes of grinding and pulsed electrofinishing (GPE) following thread cutting is developed in the current study. Through simple equipment attachment, the continuity finish processes can follow the cutt... View full abstract»

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  • Bipolar Pulse Electroforming in Precision Mold Tooling of Nonmetal Mandrel

    Publication Year: 2009 , Page(s): 30 - 33
    Save to Project icon | Request Permissions | Click to expandAbstract | PDF file iconPDF (644 KB) |  | HTML iconHTML  

    Electroforming is the use of electrodeposition of metal onto a master that is subsequently separated from the deposit to produce a metal shell. The ability to manufacture complex parts to close tolerances and cost effectively has meant that electroforming has applications both in precision mold tooling. Because of simplifying technical process and shortening molding cycles, electroforming is also ... View full abstract»

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  • Characterization of Creep Properties of Zeolite Molecular Sieves Using Nanoindentation Test

    Publication Year: 2009 , Page(s): 34 - 37
    Save to Project icon | Request Permissions | Click to expandAbstract | PDF file iconPDF (333 KB) |  | HTML iconHTML  

    The creep behavior of Zeolite molecular sieves has been investigated in this research by using a nanoindentation test. In the holding time, creep curves were obtained. The results show that the penetration depth during constant load phase is time-dependent. After analysis, creep stress exponents of Zeolite molecular sieves were determined from In epsivdot vs .InH curves. Given a secondary creep ma... View full abstract»

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  • Computer Aided Analysis of Planting Mechanism of the Seedling Transplanter

    Publication Year: 2009 , Page(s): 38 - 41
    Save to Project icon | Request Permissions | Click to expandAbstract | PDF file iconPDF (406 KB) |  | HTML iconHTML  

    In this paper, we discuss the seedling planting mechanism which is applied in transplantation of baccy, corn, beet, eggplant, tomato, cotton Conclusions Etc. A mathematic model of the seedling transplanting mechanism is established and the model is calculated & simulated with MATLAB. By means of this model, the analysis for the movement of the mechanism became Intuitive and visible. And this m... View full abstract»

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  • Design and Application for Milled Rumble Strips in China

    Publication Year: 2009 , Page(s): 42 - 46
    Save to Project icon | Request Permissions | Click to expandAbstract | PDF file iconPDF (349 KB) |  | HTML iconHTML  

    As there still exists a gap in the design of the rumble strips, the author in this paper takes Tiema heavy-duty lorry as the typical vehicle and uses the simulation model established by ADAMS (automatic dynamic analysis of mechanical system) dynamic simulation software to analyze the changing laws in the mean square root of the rumbling acceleration with the three designing factors on the basis of... View full abstract»

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  • Design of a Novel Deep-Sea Flange Connection Tooling

    Publication Year: 2009 , Page(s): 47 - 50
    Save to Project icon | Request Permissions | Click to expandAbstract | PDF file iconPDF (330 KB) |  | HTML iconHTML  

    Deep-sea Flange Connection Tooling (DFCT) is a special kind of tools to complete the flange connection of deepwater pipeline, which will greatly enhance the development of China's deepwater Tie-ins technology. In this paper, through analyzing the sealing theory of flange connection, paper has presented general structure scheme of tool, including mechanical structure and hydraulic control system, a... View full abstract»

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  • Design of Automotive Seat Surface Based on Ergonomics

    Publication Year: 2009 , Page(s): 51 - 54
    Save to Project icon | Request Permissions | Click to expandAbstract | PDF file iconPDF (308 KB) |  | HTML iconHTML  

    Based on ergonomics theory, the paper analyzes the influencing factors of automobile driving comfort, from two sides, that are, physiological form of human sitting posture and body press distribution. On this basis, human physiological curve, the pressure curve and their function expressions are fitted through mathematical software. And combining the seat material properties, the seat curve in lin... View full abstract»

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  • Design of Vehicle Test System for Construction Machinery

    Publication Year: 2009 , Page(s): 55 - 58
    Save to Project icon | Request Permissions | Click to expandAbstract | PDF file iconPDF (264 KB) |  | HTML iconHTML  

    This design adopts host-low system structure, and applies wireless communication module to design the vehicle test system for construction machinery. The low system mainly consists of many single-chip microcontrollers, 16 bit high speed A/D converter, wireless communication module and LCD display and can realize the acceptance of acquisition orders, data acquisition, display of working state and w... View full abstract»

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  • Dimensional Synthesis of a Slider-Crank Mechanism Based Heavy-Load Positioner

    Publication Year: 2009 , Page(s): 59 - 62
    Save to Project icon | Request Permissions | Click to expandAbstract | PDF file iconPDF (618 KB) |  | HTML iconHTML  

    In order to meet the requirement of manufacturing large-scale ball-crown like parts, a new type Slider-crank Mechanism Based 2-dof Heavy-load Positioner is introduced in this paper. The mathematical model of the positioner is established. The kinematics problems are solved. The statics problem is solved and the analytic expression of the driving force is obtained. An optimal dimensional synthesis ... View full abstract»

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  • Durability Analysis of Wagon Side Frame Based on the PFMA

    Publication Year: 2009 , Page(s): 63 - 66
    Save to Project icon | Request Permissions | Click to expandAbstract | PDF file iconPDF (317 KB) |  | HTML iconHTML  

    Based on the probabilistic fracture mechanics approach, durability test on the fine details of wagon side frame is simulated, the structural damage degree is evaluated from the four aspects of the survival probability, the stress amplitude, the crack formation time and economic repair limit size according to general EIFS distribution, and its economic life is predicted by combining with the stress... View full abstract»

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  • Dynamic Analysis of the Accelerometer's Shell Based on ANSYS

    Publication Year: 2009 , Page(s): 67 - 70
    Save to Project icon | Request Permissions | Click to expandAbstract | PDF file iconPDF (550 KB) |  | HTML iconHTML  

    The dynamic characteristics of an accelerometerpsilas shell is analyzed. To avoid resonance and subsequent failure, the shellpsilas natural frequencies and harmonic response are important considerations in structure optimization, for they significantly influence the performance of the sensors. The finite element analysis software ANSYS was applied to get the vibration characteristics of the shell ... View full abstract»

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