Now showing items 2721-2740 of 6182

    • Jerk Analysis and Axode Geometry of Spatial Linkages 

      H. J. Sommer (The American Society of Mechanical Engineers (ASME), 2008)
      Matrix methods for kinematic analysis of spatial linkages were extended to provide jerk of joint pair variables, individual points, and individual links. Simple expressions for axode geometry ...
    • Optimal Kinematic Design and Application of a Redundantly Actuated 3DOF Planar Parallel Manipulator 

      Jun Wu; Jinsong Wang; Liping Wang (The American Society of Mechanical Engineers (ASME), 2008)
      This paper addresses optimal kinematic design and application of a redundantly actuated parallel manipulator with 3DOFs. Based on the kinematic model, the Jacobian matrix is derived and then ...
    • An Extended Myard Linkage and its Derived 6R Linkage 

      Y. Chen; Z. You (The American Society of Mechanical Engineers (ASME), 2008)
      In this paper, a 6R linkage suitable as a building block for the construction of large deployable structures is presented. First, we report the possibility of construct an extended 5R Myard ...
    • Microrobot Design Using Fiber Reinforced Composites 

      R. J. Wood; S. Avadhanula; R. Sahai; E. Steltz; R. S. Fearing (The American Society of Mechanical Engineers (ASME), 2008)
      Mobile microrobots with characteristic dimensions on the order of 1cm are difficult to design using either microelectromechanical systems technology or precision machining. This is due to the ...
    • Design of Laser Interferometric Measuring Device of Involute Profile 

      Fumi Takeoka; Toshiyuki Takatsuji; Sonko Osawa; Masaharu Komori; Aizoh Kubo; Osamu Sato; Hiroshige Fujio; Shigeaki Taniyama; Takehiro Ito (The American Society of Mechanical Engineers (ASME), 2008)
      The vibration and noise of gears is one of the serious problems for devices, such as vehicles and wind turbines. The characteristics of the vibration and noise of gears are considerably ...
    • A Simplified Method for Examining Profile Deviations of Conjugate Disk Cams 

      Wen-Tung Chang; Long-Iong Wu (The American Society of Mechanical Engineers (ASME), 2008)
      The profile errors of conjugate disk cams can be indirectly examined by means of measuring the conjugate condition of the assembled conjugate cam mechanism. This paper demonstrates how to measure ...
    • Singularity-Free Joint Actuation in Omnidirectional Mobile Platforms With Powered Offset Caster Wheels 

      Denny Oetomo; Marcelo H. Ang (The American Society of Mechanical Engineers (ASME), 2008)
      This paper presents the analysis of singularity and motion capability of a mobile platform articulated by offset powered caster wheels. Specifically, it presents the analysis of the equations ...
    • Dynamic Transmission Error Prediction of Helical Gear Pair Under Sliding Friction Using Floquet Theory 

      Song He; Rajendra Singh (The American Society of Mechanical Engineers (ASME), 2008)
      An analytical solution to the dynamic transmission error of a helical gear pair is developed by using a single-degree-of-freedom model with piecewise stiffness functions that characterize the ...
    • Noncircular Bevel Gear Transmission With Intersecting Axes 

      Jiqiang Xia; Yuanyuan Liu; Chunming Geng; Jiangbin Song (The American Society of Mechanical Engineers (ASME), 2008)
      Noncircular bevel gear can achieve variable transmission between intersecting axes. Based on polar coordinates, a design method for noncircular bevel gears is presented. The geometric characteristic ...
    • Analysis of Rotational Precision for an Isosceles-Trapezoidal Flexural Pivot 

      Pei Xu; Yu Jingjun; Zong Guanghua; Bi Shusheng; Yu Zhiwei (The American Society of Mechanical Engineers (ASME), 2008)
      An isosceles-trapezoidal flexural pivot can be of great use for practical designs, especially in the cases that a pure rotation about a virtual pivot is required. The analysis of rotational ...
    • Generation of Epicyclic Gear Trains of One Degree of Freedom 

      Y. V. Rao; A. C. Rao (The American Society of Mechanical Engineers (ASME), 2008)
      New planetary gear trains (PGTs) are generated using graph theory. A geared kinematic chain is converted to a graph and a graph in turn is algebraically represented by a vertex-vertex adjacency ...
    • Modified Disturbance Function Method for a 6-6 Gough–Stewart Parallel Manipulator to Traverse the Singularity Hypersurface 

      Yu-Xin Wang; Yu-Tong Li; Shuang-Xia Pan (The American Society of Mechanical Engineers (ASME), 2008)
      Due to the motion uncertainty at the singular point, while the manipulator traverses the singularity hypersurface and moves from one singularity-free region to another, its motion is uncertain. ...
    • A Class of Parallel Robots Practically Free of Parallel Singularities 

      Patricia Ben Horin; Moshe Shoham (The American Society of Mechanical Engineers (ASME), 2008)
      This paper presents a class of 6-DOF three-legged parallel robots that are practically free of parallel singularities. The robots of this class have legs with a characteristic passive pair of ...
    • Distributed System Development Risk Analysis 

      Peter Leung; Jeffrey Abell; Jan Benson; Kosuke Ishii (The American Society of Mechanical Engineers (ASME), 2008)
      Under the current trend of globalization, companies develop products not only to target a single market but to sell them to the entire world. Companies realize the importance of collaborative ...
    • High-Performance Linear Cable Transmission 

      Joan Savall; Javier Martín; Alejo Avello (The American Society of Mechanical Engineers (ASME), 2008)
      Cable transmissions offer several advantages such as high stiffness to weight ratio, high strength, low friction, and absence of backlash, which makes them appropriate for demanding mechanical ...
    • Numerical and Experimental Study of the Loaded Transmission Error of a Worm Gear With a Plastic Wheel 

      Jean-Pierre de Vaujany; Michèle Guingand; Didier Remond (The American Society of Mechanical Engineers (ASME), 2008)
      Nowadays, the wheels of worm gears with a low module can be made of plastic; thus, classical modeling can no longer be used satisfactorily. The present paper describes an original method for ...
    • Replicating Results in Archival Publications 

      Panos Y. Papalambros (The American Society of Mechanical Engineers (ASME), 2008)
      Replication of previous results is a basic element in the advancement of science. Traditionally, one of the tenets in publishing research work of archival value is the ability of the reader ...
    • Diagonal Quadratic Approximation for Parallelization of Analytical Target Cascading 

      Yanjing Li; Zhaosong Lu; Jeremy J. Michalek (The American Society of Mechanical Engineers (ASME), 2008)
      Analytical target cascading (ATC) is an effective decomposition approach used for engineering design optimization problems that have hierarchical structures. With ATC, the overall system is split ...
    • A Signal Grammar to Guide Functional Modeling of Electromechanical Products 

      Robert L. Nagel; Jayson P. Vucovich; Robert B. Stone; Daniel A. McAdams (The American Society of Mechanical Engineers (ASME), 2008)
      In modern product design methodologies, designers are increasingly required to combine elements spanning multiple engineering domains, thus blurring the boundaries between engineering disciplines. ...
    • Housing Influence on Churning Losses in Geared Transmissions 

      C. Changenet; P. Velex (The American Society of Mechanical Engineers (ASME), 2008)
      In a previous paper (, and , 2007, “ A Model for the Prediction of Churning Losses in Geared Transmissions—Preliminary Results,” ASME J. Mech. Des., 129(1), pp. 128–133), a series of empirical ...