Journal of Computational and Nonlinear Dynamics: Recent submissions
Now showing items 1681-1700 of 1786
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Measures of Order in Dynamic Systems
(The American Society of Mechanical Engineers (ASME), 2008)The usefulness of the Lempel-Ziv complexity and the Lyapanov exponent as two metrics to characterize the dynamic patterns is studied. System output signal is mapped to a binary string and the ... -
Motion Planning and Control of a Tractor With a Steerable Trailer Using Differential Flatness
(The American Society of Mechanical Engineers (ASME), 2008)This paper presents a methodology for trajectory planning and tracking control of a tractor with a steerable trailer based on the system’s dynamic model. The theory of differential flatness is ... -
Duffing Oscillator With Parametric Excitation: Analytical and Experimental Investigation on a Belt-Pulley System
(The American Society of Mechanical Engineers (ASME), 2008)This paper is devoted to the theoretical and experimental investigation of a sample automotive belt-pulley system subjected to tension fluctuations. The equation of motion for transverse vibrations ... -
Two Simple Triangular Plate Elements Based on the Absolute Nodal Coordinate Formulation
(The American Society of Mechanical Engineers (ASME), 2008)In this paper, two triangular plate elements based on the absolute nodal coordinate formulation (ANCF) are introduced. Triangular elements employ the Kirchhoff plate theory and can, accordingly, ... -
Stabilization of Biped Walking Robot Using the Energy Shaping Method
(The American Society of Mechanical Engineers (ASME), 2008)The biped walking robot demonstrates a stable limit cycle on shallow slopes. In previous researches, this passive gait was shown to be sensitive to ground slope and initial conditions. In this ... -
Optimization of a Platform With Respect to Force Contact Conditions
(The American Society of Mechanical Engineers (ASME), 2008)Chimneys in operating power plants cannot be demolished in the classical way by dynamite. A new technology has been invented where they are cut off starting from the top and where the pieces ... -
Anticontrol of Chaos Reduces Spectral Emissions
(The American Society of Mechanical Engineers (ASME), 2008)Switch-mode power supplies usually emit electromagnetic interferences at the switching frequency and its harmonics. Inducing chaos in these systems has recently been suggested as a means of ... -
Erratum: “Coupled Deformation Modes in the Large Deformation Finite Element Analysis: Problem Definition” [Journal of Computational and Nonlinear Dynamics, 2007, 2, pp. 146–154]
(The American Society of Mechanical Engineers (ASME), 2008)Figures 8–13 in Ref. 1 contain results of the simulation of a very flexible pendulum. The results presented in this paper are obtained using 4 elements. While convergence is achieved in the ... -
Competing Dynamic Solutions in a Parametrically Excited Pendulum: Attractor Robustness and Basin Integrity
(The American Society of Mechanical Engineers (ASME), 2008)The competing solutions of a planar pendulum parametrically excited by the vertical motion of the pivot are investigated in terms of both attractor robustness and basin integrity. Two different ... -
Efficient Treatment of Gyroscopic Bodies in the Recursive Solution of Multibody Dynamics Equations
(The American Society of Mechanical Engineers (ASME), 2008)This paper presents an efficient treatment of gyroscopic bodies in the recursive solution of the dynamics of an N-body system. The bodies of interest include the reaction wheels in satellites, ... -
The Generalized-α Scheme as a Linear Multistep Integrator: Toward a General Mechatronic Simulator
(The American Society of Mechanical Engineers (ASME), 2008)This paper presents a consistent formulation of the generalized-α time integration scheme for mechanical and mechatronic systems. The algorithm can deal with a nonconstant mass matrix, controller ... -
Control Design and Robustness Analysis of Linear Time-Periodic Systems
(The American Society of Mechanical Engineers (ASME), 2008)This paper proposes a new design approach for control of periodically time-varying systems. The approach is based on the point-mapping technique to obtain an equivalent linear time-invariant ... -
Cardiac Alternans Arising From an Unfolded Border-Collision Bifurcation
(The American Society of Mechanical Engineers (ASME), 2008)Following an electrical stimulus, the transmembrane voltage of cardiac tissue rises rapidly and remains at a constant value before returning to the resting value, a phenomenon known as an action ... -
Generalization of the Energetic Coefficient of Restitution for Contacts in Multibody Systems
(The American Society of Mechanical Engineers (ASME), 2008)This paper introduces a new interpretation of the energetic coefficient of restitution, especially applicable to contact involving multibody systems. This interpretation generalizes the concept of ... -
A Simple and Efficient Numerical Method for Dynamic Interaction Analysis of a High-Speed Train and Railway Structure During an Earthquake
(The American Society of Mechanical Engineers (ASME), 2008)In this paper, a simple and efficient numerical method to solve for the dynamic interaction of a high-speed train and railway structure during an earthquake is given. The motion of the train ... -
Chaotic Vibrations of Sector-Type Spherical Shells
(The American Society of Mechanical Engineers (ASME), 2008)In this work, chaotic vibrations of shallow sector-type spherical shells are studied. A sector-type shallow shell is understood as a shell defined by a sector with associated boundary conditions ... -
Increasing the Efficiency of Energy Scavengers by Magnets
(The American Society of Mechanical Engineers (ASME), 2008)In this paper, a methodology for designing efficient energy scavengers is proposed. The scavenger consists of a cantilever beam on which piezoelectric films and a mass are mounted. The mass ... -
Stabilization of a Dynamic Walking Gait Simulation
(The American Society of Mechanical Engineers (ASME), 2007)Forward dynamic simulations of human walking gait have typically simulated and analyzed a single step of the walking cycle, assuming symmetric and periodic gait. To enable simulations over many ... -
Nonlinear Dynamics and Control of an Ideal/Nonideal Load Transportation System With Periodic Coefficients
(The American Society of Mechanical Engineers (ASME), 2007)In this paper, a loads transportation system in platforms or suspended by cables is considered. It is a monorail device and is modeled as an inverted pendulum built on a car driven by a ... -
Dynamics of Large Scale Mechanical Models Using Multilevel Substructuring
(The American Society of Mechanical Engineers (ASME), 2007)An appropriate substructuring methodology is applied in order to study the dynamic response of very large scale mechanical systems. The emphasis is put on enabling a systematic study of dynamical ...