Journal of Mechanical Design: Recent submissions

Now showing items 3361-3380 of 6182

    • Mesh Phasing Relationships in Planetary and Epicyclic Gears 

      R. G. Parker; J. Lin (The American Society of Mechanical Engineers (ASME), 2004)
      The multiple tooth meshes in planetary and epicyclic gears have varying numbers of teeth in contact under operating speed, and these numbers of teeth all fluctuate at the same mesh frequency. ...

    • Cam Design Handbook 

      Harold A. Rothbart; Dennis L. Klipp (The American Society of Mechanical Engineers (ASME), 2004)
      Cam Design Handbook by Harold A. Rothbart, McGraw Hill Professional, October 2003

    • Mesh Theory for Toroidal Drive 

      Lizhong Xu; Zhen Huang; Yulin Yang (The American Society of Mechanical Engineers (ASME), 2004)
      In this study, a simpler mesh equation for the toroidal drive is developed. Based on the equation, equations of the contact line, the limit curves, the induced normal curvature between the ...

    • Hierarchical Parallel Processes of Genetic Algorithms for Design Optimization of Large-Scale Products 

      Masataka Yoshimura; Kazuhiro Izui (The American Society of Mechanical Engineers (ASME), 2004)
      A large-scale machine system often has a general hierarchical structure. For hierarchical structures, optimization is difficult because many local optima almost always arise, however genetic ...

    • Decomposition-Based Assembly Synthesis for Maximum Structural Strength and Modularity 

      O. L. Cetin; Graduate Student Research Assistant; K. Saitou (The American Society of Mechanical Engineers (ASME), 2004)
      This study presents a systematic decomposition process to carry out assembly synthesis as a tool during the conceptual design phase of a product. Two configurations obtained by structural topology ...

    • Advances in Polynomial Continuation for Solving Problems in Kinematics 

      Andrew J. Sommese; Jan Verschelde; Charles W. Wampler (The American Society of Mechanical Engineers (ASME), 2004)
      For many mechanical systems, including nearly all robotic manipulators, the set of possible configurations that the links may assume can be described by a system of polynomial equations. Thus, ...

    • Sequential Optimization and Reliability Assessment Method for Efficient Probabilistic Design 

      Xiaoping Du; Wei Chen (The American Society of Mechanical Engineers (ASME), 2004)
      Probabilistic design, such as reliability-based design and robust design, offers tools for making reliable decisions with the consideration of uncertainty associated with design variables/parameters ...

    • Adaptive Slicing for a Multi-Axis Laser Aided Manufacturing Process 

      Jun Zhang; Frank Liou (The American Society of Mechanical Engineers (ASME), 2004)
      An adaptive slicing algorithm which can generate optimal slices to achieve deposition without support structures for five-axis hybrid layered manufacturing is presented in this paper. Different ...

    • Decomposition-Based Assembly Synthesis for Structural Modularity 

      O. L. Cetin; K. Saitou (The American Society of Mechanical Engineers (ASME), 2004)
      A method for modular design of structural products such as automotive bodies is presented where two structural products are simultaneously decomposed to components considering the structural ...

    • Conceptual Design and Dimensional Synthesis of a Novel 2-DOF Translational Parallel Robot for Pick-and-Place Operations 

      Tian Huang; Derek G. Chetwynd; Clement M. Gosselin; Zhanxian Li; Meng Li (The American Society of Mechanical Engineers (ASME), 2004)
      This paper deals with the conceptual design and optimal dimensional synthesis of a novel 2-DOF translational parallel robot for pick-and-place operations. In a conceptual design phase, the ...

    • Quasi-Kinematic Couplings for Low-Cost Precision Alignment of High-Volume Assemblies 

      Martin L. Culpepper; Alexander H. Slocum; F. Zafar Shaikh; Gary Vrsek (The American Society of Mechanical Engineers (ASME), 2004)
      Quasi-kinematic couplings (QKCs) are alignment devices that incorporate elastic-plastic deformations to combine principles of elastic averaging and exact constraint to achieve precision alignment. ...

    • Dynamics of a Class of Parallel Wrists 

      Raffaele Di Gregorio; Vincenzo Parenti-Castelli (The American Society of Mechanical Engineers (ASME), 2004)
      This paper presents a dynamic model of parallel wrists with all links constrained to have a spherical motion with the same center. The model can also be applied to serial wrists. The model, ...

    • Dual Quaternion Synthesis of Constrained Robotic Systems 

      Alba Perez; J. M. McCarthy (The American Society of Mechanical Engineers (ASME), 2004)
      This paper presents a dual quaternion methodology for the kinematic synthesis of constrained robotic systems. These systems are constructed from one or more serial chains such that each chain ...

    • Dynamic Analysis of Planar Cooperative Manipulators With Link Flexibility* 

      Cheng-Xin Zhang; Yue-Qing Yu (The American Society of Mechanical Engineers (ASME), 2004)
      With the Timoshenko beam theory and the Finite Element Method, the dynamic equation of planar cooperative manipulators with link flexibility is proposed in absolute coordinates. Taking the actual ...

    • The Closure Modes of Bennett’s Twelve-Bar Planar Linkage 

      J. Eddie Baker; Honorary Research Associate (The American Society of Mechanical Engineers (ASME), 2004)
      In building upon the unique properties of his famous four-bar loop and its planar and spherical counterparts, Bennett proposed a planar kinematic network of twelve bars, eight hinges and six ...

    • Smoothing of Noisy Laser Scanner Generated Meshes Using Polynomial Fitting and Neighborhood Erosion 

      Miguel Vieira; Kenji Shimada; Tomotake Furuhata (The American Society of Mechanical Engineers (ASME), 2004)
      This paper presents a method for removing geometric noise from triangulated meshes while preserving edges and other intended geometric features. The method iteratively updates the position of ...

    • A New Mathematical Model for Geometric Tolerances as Applied to Polygonal Faces 

      A. Mujezinović; J. K. Davidson; J. J. Shah (The American Society of Mechanical Engineers (ASME), 2004)
      A new mathematical model for representing geometric tolerances is applied to polygonal faces and is extended to show its sensitivity to the precedence (ordering) of datum reference frames. The ...

    • Nonlinear Dynamic Modeling of Gear-Shaft-Disk-Bearing Systems Using Finite Elements and Describing Functions 

      Rafiq Maliha; Former Student; Can U. Doǧruer; H. Nevzat Özgüven (The American Society of Mechanical Engineers (ASME), 2004)
      This study presents a new nonlinear dynamic model for a gear-shaft-disk-bearing system. A nonlinear dynamic model of a spur gear pair is coupled with linear finite element models of shafts ...

    • Design of Input Coupled Split Power Transmissions, Arrangements, and Their Characteristics 

      Douglas R. Fussner; Senior Research Engineer; Yesh P. Singh (The American Society of Mechanical Engineers (ASME), 2004)
      This paper presents input coupled split power transmissions, arrangements and comparisons between the single and dual stage designs. Selection of the shift point between stages is discussed. ...

    • Design Optimization for Structural-Acoustic Problems Using FEA-BEA With Adjoint Variable Method 

      Jun Dong; Graduate Research Assistant; Nam H. Kim; Kyung K. Choi; Carver Professor (The American Society of Mechanical Engineers (ASME), 2004)
      A noise-vibration-harshness (NVH) design optimization of a complex vehicle structure is presented using finite element and boundary element analyses. The steady-state dynamic behavior of the vehicle ...