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Dynamic friction closure

Proceedings 2002 IEEE International Conference on Robotics and Automation (Cat. No.02CH37292), 2003
This paper newly proposes dynamic friction closure, under which a moving object is completely stopped within a predetermined length through the work due to Coulomb friction between an object and a gripper. There are two conditions for achieving it: The geometrical condition, ensuring the robot motion to meet with an object at an appropriate catching ...
Makoto Kaneko   +2 more
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Vibration with “dynamic friction”

Journal of Sound and Vibration, 1980
Abstract The free and harmonically forced vibration of an idealized straight beam oscillating in its fundamental mode with frictional clamps at each end is modelled by using a singular differential equation. Locking and chatter phenomena are analyzed and slipping motions integrated for the free system and the continuously slipping steady state ...
openaire   +1 more source

A NEW DYNAMICAL FRICTION MODEL

International Journal of Modern Physics B, 2008
This paper proposed a new dynamical friction model structure which allows accurate modeling both in sliding and presliding regimes. Transition between these two regimes is accomplished without a switching function. In the presliding regime, the model has the characters of a Bouc–Wen model, so it can adapt to various hysteretic behaviors.
Guo, Kejian   +4 more
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Dynamics of Precursors to Frictional Sliding

Physical Review Letters, 2007
We measure the spatial and temporal behavior of the true contact area A along a rough spatially extended interface between two blocks in frictional contact. Upon the application of shear the onset of motion is preceded by a discrete sequence of cracklike precursors, which are initiated at shear levels that are well below the threshold for static ...
S M, Rubinstein, G, Cohen, J, Fineberg
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Dynamical Friction

American Journal of Physics, 1967
Although a basic assumption in Chandrasekhar's theory of the dynamical friction acting on a star in a cluster has been regarded as disqualifying his theory for adaptation to an electron in a plasma, it is shown here that a new adaptation, with recognition of a contrast between the effects of other electrons and of ions, leads to a good formula for the ...
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Dynamical friction in a relativistic plasma

Physical Review E, 2014
The work of Spitzer on dynamical friction in a plasma [L. Spitzer, Jr., Physics of Fully Ionized Gases, 2nd ed. (Wiley, New York, 1962), Chap. 5] is extended to relativistic systems. We derive the force of dynamical friction, diffusion tensor, and test particle relaxation rates for a Maxwellian background in the same form as Trubnikov [B. A. Trubnikov,
O J, Pike, S J, Rose
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FRICTIONAL DYNAMICS

Industrial Lubrication and Tribology, 1979
The fundamental friction studies of rubber have generally dealt with single contact sliders or rollers. It has been demonstrated abundantly that the lubricated friction of rubber is mainly the ‘deformation loss’ component of friction. At moderate sliding speeds where thin film lubrication exists and the interface shear drag is small, the friction is ...
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Feedback Control of Frictional Dynamics

Proceedings of the 45th IEEE Conference on Decision and Control, 2006
Using Lyapunov theory based methods, we analyze the local stability of an array of mechanically coupled particles whose frictional dynamics is described by the Frenkel-Kontorova model, and design feedback controls to precisely control the friction.
Guo, Yi, Qu, Zhihua
openaire   +3 more sources

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