Journal of Computational and Nonlinear Dynamics: Recent submissions
Now showing items 1661-1680 of 1786
-
Advances in System Identification Using Fractional Models
(The American Society of Mechanical Engineers (ASME), 2008)This paper presents an up to date advances in time-domain system identification using fractional models. Both equation-error- and output-error-based models are detailed. In the former models, prior ... -
Dynamics of a Duffing Oscillator With Two Time Delays in Feedback Control Under Narrow-Band Random Excitation
(The American Society of Mechanical Engineers (ASME), 2008)The paper presents analytical and numerical results of the primary resonance of a Duffing oscillator with two distinct time delays in the linear feedback control under narrow-band random excitation. ... -
Microelectronic Implementations of Fractional-Order Integrodifferential Operators
(The American Society of Mechanical Engineers (ASME), 2008)For practical applications, the fractional-order integral and differential operators require to be approximated as stable, causal, minimum-phase integer-order systems, which usually leads, in both ... -
Fractional Dynamics in Mechanical Manipulation
(The American Society of Mechanical Engineers (ASME), 2008)This paper analyzes the signals captured during the movement of a mechanical manipulator carrying a liquid container. In order to study the signals, an experimental setup is implemented. The ... -
Fractional Optimal Control of a Distributed System Using Eigenfunctions
(The American Society of Mechanical Engineers (ASME), 2008)This paper presents a formulation and a numerical scheme for fractional optimal control (FOC) for a class of distributed systems. The fractional derivative is defined in the Caputo sense. The ... -
Fractional Dynamics: A Statistical Perspective
(The American Society of Mechanical Engineers (ASME), 2008)Fractional calculus is a mathematical paradigm that has been increasingly adopted to describe the dynamics of systems with hereditary characteristics, or that reflect an average of a large ... -
Formulation of A State Equation Including Fractional-Order State Vectors
(The American Society of Mechanical Engineers (ASME), 2008)In recent years, applications of fractional calculus have flourished in various science and engineering fields. Particularly in engineering, control engineering appears to be expanding aggressively ... -
Application of Incomplete Gamma Functions to the Initialization of Fractional-Order Systems
(The American Society of Mechanical Engineers (ASME), 2008)This paper reviews some properties of the gamma function, particularly the incomplete gamma function and its complement, as a function of the Laplace variable s. The utility of these functions ... -
On the Differential Geometry of Flows in Nonlinear Dynamical Systems
(The American Society of Mechanical Engineers (ASME), 2008)In order to investigate the geometrical relation between two flows in two dynamical systems, a flow for an investigated dynamical system is called the compared flow and a flow for a given ... -
Fractional Constrained Systems and Caputo Derivatives
(The American Society of Mechanical Engineers (ASME), 2008)During the last few years, remarkable developments have been made in the theory of the fractional variational principles and their applications to control problems and fractional quantization ... -
Vibration Control for Parametrically Excited Coupled Nonlinear Oscillators
(The American Society of Mechanical Engineers (ASME), 2008)A complex nonlinear system under state feedback control with a time delay corresponding to two coupled nonlinear oscillators with a parametric excitation is investigated by an asymptotic perturbation ... -
Special Issue on “Discontinuous and Fractional Dynamical Systems”
(The American Society of Mechanical Engineers (ASME), 2008)The recognition of the unpredictability in science leads to the adoption of new concepts and ideas from emerging areas and autoorganizing systems as a rationalization of a priori improbable, ... -
Dynamic Displacements for Electromechanical Integrated Electrostatic Harmonic Drive
(The American Society of Mechanical Engineers (ASME), 2008)The electromechanical integrated electrostatic harmonic drive is a new drive system invented by authors. The dynamic displacements of the flexible ring for the drive have important influence on ... -
Investigation of Mechanical Couplings of Rigid Serial Manipulators
(The American Society of Mechanical Engineers (ASME), 2008)In this paper, an approach that enables one to investigate and to reduce the mechanical couplings between the manipulator links is proposed. The presented method is based on equations of motion ... -
Dynamics of Coupled Oscillators Excited by Dry Friction
(The American Society of Mechanical Engineers (ASME), 2008)In this paper, we present an analytical method to investigate the behavior of a two-degree-of-freedom oscillator excited by dry friction. The system consists of two masses connected by linear ... -
A Direct Approach to Order Reduction of Nonlinear Systems Subjected to External Periodic Excitations
(The American Society of Mechanical Engineers (ASME), 2008)In this work, the basic problem of order reduction of nonlinear systems subjected to an external periodic excitation is considered. This problem deserves special attention because modes that ... -
Initialization of Fractional-Order Operators and Fractional Differential Equations
(The American Society of Mechanical Engineers (ASME), 2008)It has been known that the initialization of fractional operators requires time-varying functions, a complicating factor. This paper simplifies the process of initialization of fractional differential ... -
Leveraging the Equivalence of Hysteresis Models From Different Fields for Analysis and Numerical Simulation of Jointed Structures
(The American Society of Mechanical Engineers (ASME), 2008)An important problem that spans across many types of systems (e.g., mechanical and biological) is how to model the dynamics of joints or interfaces in built-up structures in such a way that ... -
A Coupled Motion of the Thermally Induced Fluid Convection and the Membrane Motion
(The American Society of Mechanical Engineers (ASME), 2008)The present study formulates a model for a coupled oscillation of the convective flow and the solid membrane vibration, which occurs in a 2D domain of a fluid cell. The convection flow is ... -
Dynamic Modeling and Experimental Testing of a Piano Action Mechanism With a Flexible Hammer Shank
(The American Society of Mechanical Engineers (ASME), 2008)The piano action is the mechanism that transforms the finger force applied to a key into a motion of a hammer that strikes a piano string. This paper presents a state-of-the-art model of a ...