Journal of Computational and Nonlinear Dynamics: Recent submissions
Now showing items 1321-1340 of 1786
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Introducing and Analyzing a Novel Three Degree of Freedom Spatial Tensegrity Mechanism
(The American Society of Mechanical Engineers (ASME), 2014)The objective of the present paper is to introduce and analyze a particular spatial mechanism as a modification of the Stewart robot. The three limbs of the Stewart parallel robot are replaced by springs. Three hydraulic ... -
Maximizing Sensitivity Vector Fields: A Parametric Study
(The American Society of Mechanical Engineers (ASME), 2014)Sensitivity vector fields (SVFs) have proven to be an effective method for identifying parametric variations in dynamical systems. These fields are constructed using information about how a dynamical system's attractor ... -
Nonlinear System Modeling and Application Based on System Equilibrium Manifold and Expansion Model
(The American Society of Mechanical Engineers (ASME), 2014)A new modeling method for a nonlinear system by using equilibrium manifold (EM) and its expansion model (EME model) was presented. The property of the EME model was discussed, and the effect of mapping design to the model ... -
Full State Hybrid Projective Synchronization and Parameters Identification for Uncertain Chaotic (Hyperchaotic) Complex Systems
(The American Society of Mechanical Engineers (ASME), 2014)We introduce the definition of full state hybrid projective synchronization (FSHPS) with complex scaling factors for chaotic and hyperchaotic complex systems and design adaptive FSHPS schemes for uncertain chaotic complex ... -
Distributed Operational Space Formulation of Serial Manipulators
(The American Society of Mechanical Engineers (ASME), 2014)This paper presents a new parallel algorithm for the operational space dynamics of unconstrained serial manipulators, which outperforms contemporary sequential and parallel algorithms in the presence of two or more processors. ... -
Control Constraint of Underactuated Aerospace Systems
(The American Society of Mechanical Engineers (ASME), 2014)This paper discusses the problem of control constraint realization applied to the design of maneuvers of complex underactuated systems modeled as multibody problems. Applications of interest in the area of aerospace ... -
Synchronization of Slowly Rotating Nonidentically Driven Pendula
(The American Society of Mechanical Engineers (ASME), 2014)We study the synchronization of two rotating pendula mounted on a horizontal beam, which can roll on the parallel surface. The pendula are forced to rotate by different driving torques. It has been shown that after a ... -
Toward Searching Possible Oscillatory Region in Order Space for Nonlinear Fractional Order Systems
(The American Society of Mechanical Engineers (ASME), 2014)Finding the oscillatory region in the order space is one of the most challenging problems in nonlinear fractionalorder systems. This paper proposes a method to find the possible oscillatory region in the order space for a ... -
Wiener–Askey and Wiener–Haar Expansions for the Analysis and Prediction of Limit Cycle Oscillations in Uncertain Nonlinear Dynamic Friction Systems
(The American Society of Mechanical Engineers (ASME), 2014)This paper is devoted to the robust modeling and prediction of limit cycle oscillations in nonlinear dynamic friction systems with a random friction coefficient. In recent studies, the Wiener–Askey and Wiener–Haar ... -
Flexible Multibody Modeling of a Surgical Instrument Inside an Endoscope
(The American Society of Mechanical Engineers (ASME), 2014)The implementation of flexible instruments in surgery necessitates high motion and force fidelity and good controllability of the tip. However, the positional accuracy and the force transmission of these instruments are ... -
Vibration Analysis of Postbuckled Timoshenko Beams Using a Numerical Solution Methodology
(The American Society of Mechanical Engineers (ASME), 2014)In this article, a numerical solution methodology is presented to study the postbuckling configurations and free vibrations of Timoshenko beams undergoing postbuckling. The effect of geometrical imperfection is taken into ... -
Three Dimensional Solid Brick Element Using Slopes in the Absolute Nodal Coordinate Formulation
(The American Society of Mechanical Engineers (ASME), 2014)The present paper contributes to the field of flexible multibody systems dynamics. Two new solid finite elements employing the absolute nodal coordinate formulation are presented. In this formulation, the equations of ... -
Approximate End Effector Tracking Control of Flexible Multibody Systems Using Singular Perturbations
(The American Society of Mechanical Engineers (ASME), 2014)In many cases, the design of a tracking controller can be significantly simplified by the use of a 2degrees of freedom (DOF) control structure, including a feedforward control (i.e., the inversion of the nominal system ... -
Integration of Nonlinear Models of Flexible Body Deformation in Multibody System Dynamics
(The American Society of Mechanical Engineers (ASME), 2014)Current challenges in industrial multibody system simulation are often beyond the classical range of application of existing industrial simulation tools. The present paper describes an extension of a recursive ordern ... -
Structural and Continuum Mechanics Approaches for a 3D Shear Deformable ANCF Beam Finite Element: Application to Buckling and Nonlinear Dynamic Examples
(The American Society of Mechanical Engineers (ASME), 2014)For the modeling of large deformations in multibody dynamics problems, the absolute nodal coordinate formulation (ANCF) is advantageous since in general, the ANCF leads to a constant mass matrix. The proposed ANCF beam ... -
A Stable Inversion Method for Feedforward Control of Constrained Flexible Multibody Systems
(The American Society of Mechanical Engineers (ASME), 2014)The inverse dynamics of flexible multibody systems is formulated as a twopoint boundary value problem for an index3 differentialalgebraic equation (DAE). This DAE represents the equation of motion with kinematic and ... -
A Numerical Method to Model Dynamic Behavior of Thin Inextensible Elastic Rods in Three Dimensions
(The American Society of Mechanical Engineers (ASME), 2014)Static equations for thin inextensible elastic rods, or elastica as they are sometimes called, have been studied since before the time of Euler. In this paper, we examine how to model the dynamic behavior of elastica. We ... -
Design and Performance Optimization of Large Stroke Spatial Flexures
(The American Society of Mechanical Engineers (ASME), 2014)Flexure hinges inherently lose stiffness in supporting directions when deflected. In this paper a method is presented for optimizing the geometry of flexure hinges, which aims at maximizing supporting stiffnesses. In ... -
Fluid Conveying Flexible Pipes Modeled by Large Deflection Finite Elements in Multibody Systems
(The American Society of Mechanical Engineers (ASME), 2014)The modeling and simulation of flexible multibody systems containing fluidconveying pipes are considered. It is assumed that the massflow rate is prescribed and constant and the pipe cross section is piecewise uniform. An ... -
Boundary Conditions That Govern the Lateral Behavior of Flexible Webs in Roll to Roll Process Machines
(The American Society of Mechanical Engineers (ASME), 2014)Thin web materials are commonly transported through machinery where a process adds value to the web. The flexible web is supported intermittently by contact with rollers. The friction forces associated with this contact ...