Journal of Mechanical Design: Recent submissions

Now showing items 2601-2620 of 6182

    • Consistent Derivations of Spring Rates for Helical Springs 

      Clive L. Dym (The American Society of Mechanical Engineers (ASME), 2009)
      The spring rates of a coiled helical spring under an axial force and an axially directed torque are derived by a consistent application of Castigliano’s second theorem, and it is shown that ...

    • Change Propagation Analysis in Complex Technical Systems 

      Monica Giffin; Rene Keller; Claudia Eckert; Olivier de Weck; Gergana Bounova; P. John Clarkson (The American Society of Mechanical Engineers (ASME), 2009)
      Understanding how and why changes propagate during engineering design is critical because most products and systems emerge from predecessors and not through clean sheet design. This paper examines ...

    • Experimental Characterization and Static Modeling of McKibben Actuators 

      Curt S. Kothera; Mamta Jangid; Jayant Sirohi; Norman M. Wereley (The American Society of Mechanical Engineers (ASME), 2009)
      McKibben actuators are pneumatic actuators with very high force to weight ratios. Their ability to match the behavior of biological muscles better than any other actuators has motivated much ...

    • Toward Functionally Graded Cellular Microstructures 

      Carmen Torres-Sanchez; Jonathan R. Corney (The American Society of Mechanical Engineers (ASME), 2009)
      The design of multifunctional materials offers great potential for numerous applications in areas ranging from biomaterial science to structural engineering. Functionally graded microstructures (e.g., ...

    • Contact Characteristics of Circular-Arc Curvilinear Tooth Gear Drives 

      Yi-Cheng Wu; Kuan-Yu Chen; Chung-Biau Tsay; Yukinori Ariga (The American Society of Mechanical Engineers (ASME), 2009)
      In this paper, the circular-arc curvilinear tooth gear drive is proposed. The gear and pinion tooth surfaces are generated by two complemented circular-arc rack cutters with curvilinear tooth-traces. ...

    • Theoretical Analysis of Transmission Error in Helical Synchronous Belt With Error on Belt Side Face Under Bidirectional Operation 

      Masanori Kagotani; Hiroyuki Ueda (The American Society of Mechanical Engineers (ASME), 2009)
      Synchronous belt drives are occasionally required to transmit rotation accurately and are often employed in bidirectional operation. For transmission error per single pitch of the pulley, a helical ...

    • ResQuake: A Tele-Operative Rescue Robot 

      S. Ali A. Moosavian; Arash Kalantari; Hesam Semsarilar; Ehsan Aboosaeedan; Ehsan Mihankhah (The American Society of Mechanical Engineers (ASME), 2009)
      The design procedure of ResQuake as a tele-operative rescue robot and its dynamics analysis, manufacturing procedure, control system, and slip estimation for performance improvement are discussed. ...

    • Graduate Design Education Workshops: A First Review 

      Panos Y. Papalambros (The American Society of Mechanical Engineers (ASME), 2009)
      Over the past twelve months the US National Science Foundation (NSF) has sponsored a series of workshops on interdisciplinary graduate design education: what it is and how we do it. Our ...

    • Design Criteria for Serial Chain Mechanisms Based on Kinetic Energy Ratios 

      Oziel Rios; Delbert Tesar (The American Society of Mechanical Engineers (ASME), 2009)
      In this article, a description of the kinetic energy partition values (KEPVs) of serial chain mechanisms, as well as their rates of change, is presented. The KEPVs arise from the partitioning ...

    • Stress Relief in Contact-Aided Compliant Cellular Mechanisms 

      Vipul Mehta; George A. Lesieutre; Mary Frecker (The American Society of Mechanical Engineers (ASME), 2009)
      Compliant cellular structures with an internal contact mechanism are described in this paper. Contact during deformation reduces failure-causing bending stresses through stress relief, thereby ...

    • Stability Based Robust Eigenvalue Design for Tolerance 

      XinJiang Lu; Han-Xiong Li (The American Society of Mechanical Engineers (ASME), 2009)
      A novel integrated approach is developed to design systems for stability and robustness. First, design parameters with large variation bounds are chosen to maintain system stability. Then, a ...

    • Design Optimization Problem Reformulation Using Singular Value Decomposition 

      Somwrita Sarkar; John S. Gero; Andy Dong (The American Society of Mechanical Engineers (ASME), 2009)
      This paper presents a design optimization problem reformulation method based on singular value decomposition, dimensionality reduction, and unsupervised clustering. The method calculates linear ...

    • Optimal Partitioning and Coordination Decisions in Decomposition-Based Design Optimization 

      James T. Allison; Michael Kokkolaras; Panos Y. Papalambros (The American Society of Mechanical Engineers (ASME), 2009)
      The solution of complex system design problems using decomposition-based optimization methods requires determination of appropriate problem partitioning and coordination strategies. Previous optimal ...

    • A Metamodeling Technique for Variable Geometry Trusses Design via Equivalent Parametric Macroelements 

      Josu Aguirrebeitia; Carlos Angulo; Luis M. Macareno; Rafael Avilés (The American Society of Mechanical Engineers (ASME), 2009)
      A metamodeling methodology is applied to reduce the large computational cost required in the design of variable geometry trusses (VGTs). Using this methodology, submodels of finite elements within ...

    • The Optimization for the Shape Profile of the Slider Surface Under Ultra-Thin Film Lubrication Conditions by the Rarefied-Flow Model 

      Chin-Hsiang Cheng; Mei-Hsia Chang (The American Society of Mechanical Engineers (ASME), 2009)
      The optimization of the surface shape for a slider to meet the specified load demands under an ultra-thin film lubrication condition has been performed in this study. The optimization process ...

    • Active Vibration Control and Isolation for Micromachined Devices 

      Seong Jin Kim; Robert Dean; George Flowers; Chen Chen (The American Society of Mechanical Engineers (ASME), 2009)
      Some harsh environments contain high frequency, high amplitude mechanical vibrations. Unfortunately some very useful components, such as micro-electro-mechanical systems (MEMS) gyroscopes, can be ...

    • Piezohydraulic Actuator Development for Microjet Flow Control 

      William S. Oates; Fei Liu (The American Society of Mechanical Engineers (ASME), 2009)
      This paper describes the development of a piezohydraulic actuator for broadband microjet flow control applications. The actuator utilizes a lead zirconate titanate (PZT) stack actuator and a ...

    • Design of Smart Structures and Systems 

      Mary Frecker; Nancy Johnson (The American Society of Mechanical Engineers (ASME), 2009)
      Design of artifacts is following a natural evolution from being purely static to being “smart,” namely, fully adaptive to a changing operating environment. Although control design is an important ...

    • Energy Harvesting Utilizing Single Crystal PMN-PT Material and Application to a Self-Powered Accelerometer 

      H. J. Song; G. Wang; N. M. Wereley; Y. T. Choi (The American Society of Mechanical Engineers (ASME), 2009)
      This study investigates the performance of an energy harvester (EH) utilizing a single crystal lead magnesium niobate-lead titanate (PMN-PT) material via analysis and experiment. The EH, intended ...

    • Multi-Objective Optimization of Piezoelectric Actuator Placement for Shape Control of Plates Using Genetic Algorithms 

      Rajesh Kudikala; Deb Kalyanmoy; Bishakh Bhattacharya (The American Society of Mechanical Engineers (ASME), 2009)
      Shape control of adaptive structures using piezoelectric actuators has found a wide range of applications in recent years. In this paper, the problem of finding optimal distribution of piezoelectric ...