Buscar
Mostrando ítems 1-10 de 297
Dynamic Friction Model Study Applied to a Servomechanism at Low Velocities
(2021-01-01)
The following work contains an experimental method for identifying dynamic friction in a DC servomotor, whose identification and subsequent compensation is highly important. Friction has characteristics that are difficult ...
Nonlinear ball and beam control system identification
(2014)
The Ball and Beam system is a common didactical experiment in control laboratories that can be used to illustrate many different closed-loop control techniques. The plant itself is subjected to many nonlinear effects, which ...
Valve friction and nonlinear process model closed-loop identification
(ELSEVIER SCI LTD, 2011)
Among several process variability sources, valve friction and inadequate controller tuning are supposed to be two of the most prevalent. Friction quantification methods can be applied to the development of model-based ...
Modelling an Inertia Wheel Pendulum Benchmark
(Taylor & Francis, 2005-09)
In this paper, modelling and parameter identification of an inertia wheel pendulum benchmark is considered. This is an underactuated mechanical system useful for teaching and research. Attention is focused on deriving a ...
On Lugre Friction Model to Mitigate Nonideal Vibrations
(Asme-amer Soc Mechanical Eng, 2009-07-01)
In this paper, a nonideal mechanical system with the LuGre friction damping model is considered. The mechanical model of the system is an oscillator not necessarily linear connected with an unbalanced motor of excitation ...
On Lugre Friction Model to Mitigate Nonideal Vibrations
(Asme-amer Soc Mechanical Eng, 2009-07-01)
In this paper, a nonideal mechanical system with the LuGre friction damping model is considered. The mechanical model of the system is an oscillator not necessarily linear connected with an unbalanced motor of excitation ...
An implicit/explicit integration scheme to increase computability of non-linear material and contact/friction problems
(Elsevier Science Sa, 2008-12)
An implicit/explicit integration scheme for non-linear constitutive models is presented. It aims at providing additional computability to those solid mechanics problems were robustness is an important issue, i.e. material ...
A non-linear Cosserat rod model for drill-string dynamics in arbitrary borehole geometries with contact and friction
(Pergamon-Elsevier Science Ltd, 2019-07)
A model for drill-string dynamics in arbitrary borehole geometries based on the Cosserat rods theory is presented. The objective of this work is to exploit the capabilities of the Cosserat rods to capture the full range ...
Consequences of quadratic frictional force on the one dimensional bouncing ball model
(2007-09-25)
Some dynamical properties of the one dimensional Fermi accelerator model, under the presence of frictional force are studied. The frictional force is assumed as being proportional to the square particle's velocity. The ...
Consequences of quadratic frictional force on the one dimensional bouncing ball model
(2007-09-25)
Some dynamical properties of the one dimensional Fermi accelerator model, under the presence of frictional force are studied. The frictional force is assumed as being proportional to the square particle's velocity. The ...