Journal of Mechanical Design: Recent submissions

Now showing items 3481-3500 of 6182

    • On Mobility Analysis of Linkages Using Group Theory 

      José Marı́a Rico Martı́nez; Bahram Ravani (The American Society of Mechanical Engineers (ASME), 2003)
      This paper presents a generalization of Kutzbach-Grübler criterion for mobility analysis of kinematic chains based on group theory. This new mobility criterion applies to exceptional linkages and ...

    • Feasible Motion Solutions for Serial Manipulators at Singular Configurations 

      Yuefa Fang; Lung-Wen Tsai (The American Society of Mechanical Engineers (ASME), 2003)
      When a serial manipulator is at a singular configuration, the Jacobian matrix will lose its full rank causing the manipulator to lose one or more degrees of freedom. This paper presents a ...

    • Geometric Algorithms for Kinematic Calibration of Robots Containing Closed Loops 

      C. C. Iuraşcu; F. C. Park (The American Society of Mechanical Engineers (ASME), 2003)
      We present a coordinate-invariant, differential geometric formulation of the kinematic calibration problem for a general class of mechanisms. The mechanisms considered may have multiple closed ...

    • Distribution of Wrench-Twist Duality in Over-Constrained Mechanisms 

      M. Fayet (The American Society of Mechanical Engineers (ASME), 2003)
      First, a procedure is presented in order to build the space of statically admissible wrenches. The matrix which generates them is obtained in an intrinsic way. It uses intersection of spaces ...

    • A Method for Representing the Configuration and Analyzing the Motion of Complex Cable-Pulley Systems 

      Dennis W. Hong; Raymond J. Cipra (The American Society of Mechanical Engineers (ASME), 2003)
      In this paper a systematic way of representing complex cable-pulley mechanism configurations and a method to analyze their motion is presented. This technique can also be used as an aid for ...

    • A New Photoelastic Investigation of the Dynamic Bending Stress of Spur Gears 

      Ming-Jong Wang (The American Society of Mechanical Engineers (ASME), 2003)
      In this paper, the maximum tensile bending stress (MTBS) and the critical point in the root fillet of spur gear tooth during transmission are determined by a digital photoelastic system involving ...

    • Valve-Plate Design for an Axial Piston Pump Operating at Low Displacements 

      Noah D. Manring (The American Society of Mechanical Engineers (ASME), 2003)
      The objectives of this research are to investigate the principal advantages of using various valve-plate slot geometries within an axial piston pump. In particular, three types of geometries are ...

    • Strategies for Modeling Friction in Gear Dynamics 

      Manish Vaishya; Rajendra Singh (The American Society of Mechanical Engineers (ASME), 2003)
      Sliding friction between meshing teeth is one of the primary excitations for noise and vibration in geared systems. Yet, there exist very limited studies on this topic. This paper proposes new ...

    • Position Analysis of a New Family of 3-DOF Translational Parallel Manipulators* 

      Marco Carricato; Vincenzo Parenti-Castelli (The American Society of Mechanical Engineers (ASME), 2003)
      This article presents the position analysis of a new family of 3-limbed 3-dof parallel manipulators, whose output links exhibit a motion of pure translation with respect to the base. Each limb ...

    • Use of the Finite Element Absolute Nodal Coordinate Formulation in Modeling Slope Discontinuity 

      Ahmed A. Shabana; Aki M. Mikkola (The American Society of Mechanical Engineers (ASME), 2003)
      A large rigid body rotation of a finite element can be described by rotating the axes of the element coordinate system or by keeping the axes unchanged and change the slopes or the position ...

    • Damage Identification of a Gear Transmission Using Vibration Signatures 

      F. K. Choy; Fellow; ASME; D. H. Mugler; J. Zhou (The American Society of Mechanical Engineers (ASME), 2003)
      Important advancements in preventive maintenance of rotor-craft gear transmission systems are currently being sought for the development of an accurate machine health diagnostic system. Such a ...

    • Mathematical Model and Surface Deviation of Helipoid Gears Cut by Shaper Cutters 

      Jun-Long Wu; Chia-Chang Liu; Chung-Biau Tsay; Shigeyoshi Nagata; Professor Emeritus (The American Society of Mechanical Engineers (ASME), 2003)
      Crossed-axis helical gears and hypoid gears are two conventional crossed-axis power transmission devices. Helipoid gears, a novel gear proposed herein, possess the merits of the crossed-axis helical ...

    • Dynamics of Hypoid Gear Transmission With Nonlinear Time-Varying Mesh Characteristics 

      Yuping Cheng; Teik C. Lim (The American Society of Mechanical Engineers (ASME), 2003)
      The coupled translation-rotation vibratory response of hypoid geared rotor system due to loaded transmission error excitation is studied by employing a generalized 3-dimensional dynamic model. The ...

    • Load Distribution in Cylindrical Worm Gears 

      Vilmos Simon; Professor of Machine Design (The American Society of Mechanical Engineers (ASME), 2003)
      A method for the determination of load sharing between the instantaneously engaged worm threads and gear teeth, for the calculation of load distribution along the teeth and transmission errors ...

    • Kinematic Condition Analysis of Three-DOF Pure Translational Parallel Manipulators 

      Doik Kim; Wan Kyun Chung (The American Society of Mechanical Engineers (ASME), 2003)
      Several 3-DOF pure translational parallel manipulators have been reported recently. However, kinematic conditions of such translational parallel manipulators have not been studied deeply. Most ...

    • Influence of Idler on Transmission Error in Synchronous Belt Drives (Under Transmission Force) 

      Kenichi Makita; Masanori Kagotani; Tomio Koyama; Hiroyuki Ueda; Lecturer (The American Society of Mechanical Engineers (ASME), 2003)
      Synchronous belt drives are widely used in various machines in order to transmit rotation accurately and synchronously. In these machines, idlers are commonly used to increase the angle of ...

    • Optimal Kinematic Design of Spatial Parallel Manipulators: Application to Linear Delta Robot 

      Michael Stock; Karol Miller (The American Society of Mechanical Engineers (ASME), 2003)
      An optimal kinematic design method suited for parallel manipulators is developed. The kinematic optimization process yields a design that delivers the best compromise between manipulability and a ...

    • Under-Actuated Kinematic Structures for Miniature Climbing Robots 

      Mark A. Minor; Ranjan Mukherjee (The American Society of Mechanical Engineers (ASME), 2003)
      This paper presents two biped designs for miniature climbing robots. The designs use under-actuation to satisfy space and weight constraints. In the first design, one actuator provides steering ...

    • A Family of 3-DOF Translational Parallel Manipulators1 

      Marco Carricato; Vincenzo Parenti-Castelli (The American Society of Mechanical Engineers (ASME), 2003)
      This article addresses parallel manipulators with fewer than six degrees of freedom, whose use may prove valuable in those applications in which a higher mobility is uncalled for. In particular, ...

    • Kinematic Analysis of a Novel Translational Platform 

      Massimo Callegari; Matteo Tarantini (The American Society of Mechanical Engineers (ASME), 2003)
      A new three-d.o.f. parallel mechanism, with 3-RPC topology, is presented in the paper and its kinematics is studied. The proposed architecture, if proper geometrical conditions are satisfied, has ...