Now showing items 1801-1820 of 6182

    • Optimization of a High Speed Deployment Slider–Crank Mechanism: A Design Charts Approach 

      Mariti, Lorenzo; Mucino, Victor H.; Pennestrأ­, Ettore; Cavezza, Andres; Gautam, Mridul; Valentini, Pier Paolo (The American Society of Mechanical Engineers (ASME), 2014)
      Mechanical and aerospace applications often require that mechanisms deploy in a quick stable and reliable way. The objective of this study is to implement a general optimization procedure to perform a first stage conceptual ...
    • Embedding Desired Eigenstates into Active and Passive Dynamics of a Linear, Underactuated Feedback System 

      Saunders, Frank; Rife, Jason (The American Society of Mechanical Engineers (ASME), 2014)
      This paper introduces a novel methodology to embed desired reference trajectories into the modal dynamics of an underactuated system through eigenstructure assignment. A unique characteristic of the method is that it ...
    • Retrieving Causally Related Functions From Natural Language Text for Biomimetic Design 

      Cheong, Hyunmin; Shu, L. H. (The American Society of Mechanical Engineers (ASME), 2014)
      Identifying biological analogies is a significant challenge in biomimetic (biologically inspired) design. This paper builds on our previous work on finding biological phenomena in naturallanguage text. Specifically, a ...
    • Predicting Change Propagation in Complex Design Workflows 

      Wynn, David C.; Caldwell, Nicholas H. M.; John Clarkson, P. (The American Society of Mechanical Engineers (ASME), 2014)
      A simulation model to help manage change propagation through design workflows is introduced. The model predicts resource requirements and schedule risk of a change process, accounting for concurrency, multiple sources of ...
    • Prioritizing Design for Environment Strategies Using a Stochastic Analytic Hierarchy Process 

      Ramanujan, Devarajan; Bernstein, William Z.; Choi, Jun; Koho, Mikko; Zhao, Fu; Ramani, Karthik (The American Society of Mechanical Engineers (ASME), 2014)
      This paper describes a framework for applying design for environment (DfE) within an industry setting. Our aim is to couple implicit design knowledge such as redesign/process constraints with quantitative measures of ...
    • Time Dependent Mechanism Reliability Analysis With Envelope Functions and First Order Approximation 

      Du, Xiaoping (The American Society of Mechanical Engineers (ASME), 2014)
      This work develops an envelope approach to timedependent mechanism reliability defined in a period of time where a certain motion output is required. Since the envelope function of the motion error is not explicitly related ...
    • Immersive Computing Technology to Investigate Tradeoffs Under Uncertainty in Disassembly Sequence Planning 

      Behdad, Sara; Berg, Leif; Vance, Judy; Thurston, Deborah (The American Society of Mechanical Engineers (ASME), 2014)
      The scientific and industrial communities have begun investigating the possibility of making product recovery economically viable. Disassembly sequence planning may be used to make endoflife product takeback processes more ...
    • Co Design of an Active Suspension Using Simultaneous Dynamic Optimization 

      Allison, James T.; Guo, Tinghao; Han, Zhi (The American Society of Mechanical Engineers (ASME), 2014)
      Design of physical systems and associated control systems are coupled tasks; design methods that manage this interaction explicitly can produce systemoptimal designs, whereas conventional sequential processes may not. Here, ...
    • Eye Tracking Data Predict Importance of Product Features and Saliency of Size Change 

      Du, Ping; MacDonald, Erin F. (The American Society of Mechanical Engineers (ASME), 2014)
      Features, or visible product attributes, are indispensable product components that influence customer evaluations of functionality, usability, symbolic impressions, and other qualities. Two basic components of features are ...
    • Optimal Machine Tool Settings for the Manufacture of Face Hobbed Spiral Bevel Gears 

      Simon, Vilmos V. (The American Society of Mechanical Engineers (ASME), 2014)
      In this study, an optimization methodology is proposed to systematically define the optimal headcutter geometry and machinetool settings to simultaneously minimize the tooth contact pressure and angular displacement error ...
    • Methodology for Global Optimization of Computationally Expensive Design Problems 

      Koullias, Stefanos; Mavris, Dimitri N. (The American Society of Mechanical Engineers (ASME), 2014)
      The design of unconventional systems requires early use of highfidelity physicsbased tools to search the design space for improved and potentially optimum designs. Current methods for incorporating these computationally ...
    • Reliability Based Vehicle Safety Assessment and Design Optimization of Roadway Radius and Speed Limit in Windy Environments 

      Shin, Jaekwan; Lee, Ikjin (The American Society of Mechanical Engineers (ASME), 2014)
      This paper presents a reliabilitybased analysis of road vehicle accidents and the optimization of roadway radius and speed limit design based on vehicle dynamics, mainly focusing on windy environments. The performance ...
    • Impact of Tooth Spacing Errors on the Root Stresses of Spur Gear Pairs 

      Handschuh, M. J.; Kahraman, A.; Milliren, M. R. (The American Society of Mechanical Engineers (ASME), 2014)
      In this study, experimental and theoretical investigations of the effect of tooth spacing errors on the root stresses of spur gear pairs are performed. A test setup with instrumentation for the measurement of root stresses ...
    • Construction of a Carbon Fiber Reinforced Weft Guide Bar for a Crochet Knitting Machine 

      Beer, Mathias; Gloy, Yves; Raina, Mohit; Gries, Thomas (The American Society of Mechanical Engineers (ASME), 2014)
      The crochet knitting machine is a warp knitting machine with a weft insertion system placed on a weft guide bar. On standard machines, the weft guide bar is made from aluminum and weighs about 570 g. The singledrive ...
    • Special Issue: User Needs and Preferences in Engineering Design 

      Unknown author (The American Society of Mechanical Engineers (ASME), 2014)
      Addressing user needs and preferences is critically important in developing innovative and successful engineered products and systems. The task is inherently challenging due to the heterogeneity of user needs and the ...
    • Brake Energy Efficiency 

      Guarneri, P.; Mastinu, G.; Gobbi, M.; Cantoni, C.; Sicigliano, R. (The American Society of Mechanical Engineers (ASME), 2014)
      Electric braking systems for passenger vehicles have become more and more interesting with the recent developments of hybrid electric and electric vehicles (HEVs and EVs). The major issue is the generation of the actuation ...
    • Numerically Stable Design Optimization With Price Competition 

      Morrow, W. Ross; Mineroff, Joshua; Whitefoot, Kate S. (The American Society of Mechanical Engineers (ASME), 2014)
      Researchers in decisionbased design (DBD) have suggested that business objectives, e.g., profits, should replace engineering requirements or performance metrics as the objective for engineering design. This requires modeling ...
    • Computationally Efficient Reliability Analysis of Mechanisms Based on a Multiplicative Dimensional Reduction Method 

      Zhang, Xufang; Pandey, Mahesh D.; Zhang, Yimin (The American Society of Mechanical Engineers (ASME), 2014)
      The paper presents a computationally efficient method for system reliability analysis of mechanisms. The reliability is defined as the probability that the output error remains within a specified limit in the entire target ...
    • Study on the Anti Twist Helical Gear Tooth Flank With Longitudinal Tooth Crowning 

      Tran, Van; Hsu, Ruei; Tsay, Chung (The American Society of Mechanical Engineers (ASME), 2014)
      To attain an antitwist helical gear tooth flank with longitudinal tooth crowning, a novel additional rotation angle is proposed for the work gear during its hobbing process. A congruous nonlinear function with two variables ...
    • Kinetic Shapes: Analysis, Verification, and Applications 

      Handzج†iؤ‡, Ismet; Reed, Kyle B. (The American Society of Mechanical Engineers (ASME), 2014)
      A circular shape placed on an incline will roll; similarly, an irregularly shaped object, such as the Archimedean spiral, will roll on a flat surface when a force is applied to its axle. This rolling is dependent on the ...