Journal of Mechanical Design: Recent submissions
Now showing items 2161-2180 of 6182
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A Novel Compact Torsional Spring for Series Elastic Actuators for Assistive Wearable Robots
(The American Society of Mechanical Engineers (ASME), 2012)The introduction of intrinsic compliance in the actuation system of assistive robots improves safety and dynamical adaptability. Furthermore, in the case of wearable robots for gait assistance, ... -
Analysis of Lubricating Performance for Involute Gear Based on Dynamic Loading Theory
(The American Society of Mechanical Engineers (ASME), 2012)An integrated model for gear pair that combines the dynamic load with the mixed elastohydrodynamic lubrication (EHL) theory is proposed in this paper covering the film squeeze effect as well ... -
A Family of Butterfly Flexural Joints: Q-LITF Pivots
(The American Society of Mechanical Engineers (ASME), 2012)The typical leaf-type isosceles-trapezoidal flexural (LITF) pivot consists of two flexural beams and two rigid-bodies. The single LITF pivot has the small range of motion and relatively large ... -
A Study of Student Design Team Behaviors in Complex System Design
(The American Society of Mechanical Engineers (ASME), 2012)Large-scale engineering systems require design teams to balance complex sets of considerations using a wide range of design and decision-making skills. Formal, computational approaches for optimizing ... -
The Discrete Topology Optimization of Structures Using the Improved Hybrid Discretization Model
(The American Society of Mechanical Engineers (ASME), 2012)In the discrete topology optimization, material state is either solid or void and there is no topology uncertainty caused by any intermediate material state. In this paper, the improved hybrid ... -
Multidisciplinary Design Optimization of Modular Industrial Robots by Utilizing High Level CAD Templates
(The American Society of Mechanical Engineers (ASME), 2012)This paper presents a multidisciplinary design optimization (MDO) framework for automated design of a modular industrial robot. The developed design framework seamlessly integrates high level ... -
Five Years of Design Thinking
(The American Society of Mechanical Engineers (ASME), 2012) -
Type Synthesis of Underactuated Wrists Generated From Fully-Parallel Wrists
(The American Society of Mechanical Engineers (ASME), 2012)Design criteria and constructive schemes are presented for a nonholonomic spherical (nS) pair proposed previously, along with a reconfigurable version of the same pair, named nS pair. Type ... -
An Active Gear Balancer for Torque Compensation
(The American Society of Mechanical Engineers (ASME), 2011)This paper presents a new concept of torque balancer for reducing the input torque fluctuation of a mechanism. The proposed active gear balancer consists of a differential gear train and a ... -
Influence of Planet Pin Stiffness on Load Sharing in Planetary Gear Drives
(The American Society of Mechanical Engineers (ASME), 2011)Others have done significant work on the subject of load sharing among the planets of planetary gear drives; a brief review of that work is presented. Little work has been done, however, to ... -
Metamodel-Based Optimization for Problems With Expensive Objective and Constraint Functions
(The American Society of Mechanical Engineers (ASME), 2011)Current metamodel-based design optimization methods rarely deal with problems of not only expensive objective functions but also expensive constraints. In this work, we propose a novel metamodel-based ... -
Design and Optimization of Mechanically Resonant Torsional Spring Mechanism for Laser Light Dispersion Applications
(The American Society of Mechanical Engineers (ASME), 2011)A laser light scanning device consisting of an electronically driven mechanically resonant torsional spring-mirror system was developed for display applications. The original design suffers fatigue ... -
A General Approach to Locate Instantaneous Contact Lines of Gears Using Surface of Roll Angle
(The American Society of Mechanical Engineers (ASME), 2011)Determining the locations and orientation of potential instantaneous contact lines between two contacting tooth surfaces of gears is one major step in the prediction of unloaded and loaded gear ... -
Reducible Uncertain Interval Design by Kriging Metamodel Assisted Multi-Objective Optimization
(The American Society of Mechanical Engineers (ASME), 2011)Sources of reducible uncertainty present a particular challenge to engineering design problems by forcing designers to make decisions about how much uncertainty to consider as acceptable in final ... -
Automated Vehicle Structural Crashworthiness Design via a Crash Mode Matching Algorithm
(The American Society of Mechanical Engineers (ASME), 2011)This paper presents an automated algorithm for the design of vehicle structures for crashworthiness based on the analyses of the structural crash mode (CM). The CM is the history of the ... -
Modified Reduced Gradient With Realization Sorting for Hard Equality Constraints in Reliability-Based Design Optimization
(The American Society of Mechanical Engineers (ASME), 2011)In this work, the presence of equality constraints in reliability-based design optimization (RBDO) problems is studied. Relaxation of soft equality constraints in RBDO and its challenges are ... -
Lightweight Actuator Structure With SMA Honeycomb Core and CFRP Skins
(The American Society of Mechanical Engineers (ASME), 2011)The authors proposed a sandwich structure that consists of a shape memory alloy (SMA) honeycomb core and carbon fiber reinforced plastic (CFRP) skins as a shape-controllable structure. The ... -
Topology Synthesis of Multicomponent Structural Assemblies in Continuum Domains
(The American Society of Mechanical Engineers (ASME), 2011)This paper presents a new method for synthesizing structural assemblies directly from the design specifications, without going through the two-step process. Given an extended design domain with ... -
Multiple-Criteria Kinematic Optimization for the Design of Spherical Serial Mechanisms Using Genetic Algorithms
(The American Society of Mechanical Engineers (ASME), 2011)A new kinematic design methodology is presented for optimization of spherical serial mechanisms. First, a new index, combining global manipulability and the uniformity of manipulability over the ... -
Kinematic Fundamentals of Planar Harmonic Drives
(The American Society of Mechanical Engineers (ASME), 2011)This paper presents the kinematic model and offers a rigorous analysis and description of the kinematics of planar harmonic drives. In order to reflect the fundamental kinematic principle of ...