... Abstract In robotics the risk of collisions is present both in industrial applications and in remote handling. If a collision occurs, the impact may damage both the robot and external equipment, which may result in successive imprecise robot tasks or line stops, reducing robot efficiency...

...DE-Vol. 35, Rotating Machinery and Vehicle Dynamics ASME 1991 PARAMETER IDENTIFICATION OF NON-LINEAR IMPACT DAMPER Kang-Yu He and Xiao-Xu Yuan Department of Mechanical Engineering Chongqing University Chongqing, People's Republic of China ABSTRACT In the past,many scholars used to study impact...

... Abstract In the paper, the numerical technique for simulations of impact problems of stationary vibrating beams is proposed. Good qualitative agreements between the computed and measured impact forces and contact duration are obtained. For getting better quantitative agreements between...

... control impact 1997 ASME Design Engineering Technical Conferences September 14-17, 1997, Sacramento, California A dynamics of a mechanical system by a shrewd choice of the shape This i achiev of the (Chen excita the pr the co obtain constraints, which is shown in Fig. 1.1 Copyright © 1997 by ASME...

... Abstract Some aspects of the nonlinear dynamics of an impulse-impact oscillator are investigated. After an initial description of the prototype mechanical model used to illustrate the results, attention is paid to the classical local and global bifurcations which are at the base of the changes...

... of the beam as parameters. It is clarified that the presented modeling method simulates the experimental results quite well, and the gap size and the pulling velocity influence the increase of the lateral vibration near the inlet of the slit. Spaghetti Problem Multibody Dynamics Impact Vibration...

... Abstract In the paper a numerical algorithm for modeling of impact of rigid and flexible multibody systems considering the nonlinear Coulomb friction is presented. The algorithm is developed on the basis of the kinematic decomposition of the contacting surfaces. The possible motion along...

..., characterized by a smaller number of degrees of freedom. A technique was then implemented for calculating Lyapunov’s exponents also during the time intervals of the impacts. The introduction and evaluation of these exponents can also permit us to perform the stability analysis with respect to overturning...

... OPTIMIZATION OF HONEYCOMB CELLULAR MESO-STRUCTURES FOR HIGH SPEED IMPACT ENERGY ABSORPTION Jesse Schultz Research Assistant Department of Mechanical Engineering Clemson University Clemson, SC 29634-0921 [email protected] David Griese Research Assistant Department of Mechanical Engineering Clemson...

...% of these workers will develop permanent, noise-induced hearing loss. In many of these industrial environments, high levels of vibration also exist that can lead to several injuries and ailments. To address the adverse effects associated with the use of high noise emission impact tools, a study was initiated...

...% of these workers will develop permanent, noise-induced hearing loss. In many of these industrial environments, high levels of vibration also exist that can lead to several injuries and ailments. To address the adverse effects associated with the use of high noise emission impact tools, a study was initiated...

... the state of the arbitrary impact between the tip of the excited cantilever and the object surface is proposed. It is known that various bifur- cations of the responses of the beam occur according to impact conditions and variation of the excitation frequency. We propose a control method to keep...

... 19 06 2008 Using a maximal monotone graph we can deal with many nonlinear dynamical problems involving e.g. dry friction or impacts. When submitted to an external stochastic term, a class of differential inclusions is obtained. Existence and uniqueness results are recalled. An adapted...

... and methods pointed out at the previous points 1., 2. and 3. are exploited with the aims: • to investigate numerically in the occurrence of dissipative impacts the features of dynamic responses across the upper boundary of a stability range (i.e. that of the (1,3) sub-harmonic response) included in a larger...

... 19 06 2008 In the paper, the process of loss of stability of multibody systems and structures is analyzed. A novel approach is presented and applied as for the statically loaded spatial systems so for analysis of dynamic response of systems imposed on impact. The analysis is based...

... 10 06 2008 A model of impact of a tennis ball with a flat surface is developed based on a planar, two-mass, linear, four degree of freedom vibration system idealization. The impact is assumed to be incident on a flat surface with friction. The incident parameters of the ball include...

... the numerical modeling of composite laminates of AS4 Carbon/Epoxy, Kevlar 149/Epoxy, AS4 Carbon/Peek and Kevlar 149/Peek are also compared for different thickness-to-diameter ratio to predict the composite laminate that has the highest impact strength. Impact Johnson-Cook ABAQUS ballistic limit...

... 10 06 2008 The non-linear behaviour of rub-impact rotors have been studied in several papers. In such systems rich dynamics have been found together with the coexistence of solutions within some specific parameter ranges. In this paper an attempt is made to find all stable solutions...