نتایج جستجو برای: friction compensation

تعداد نتایج: 76300  

Journal: :JSME international journal. Ser. C, Dynamics, control, robotics, design and manufacturing 1996

Journal: :Journal of physics 2022

Abstract In order to fulfill the requirement that electric linear load simulator needs improve loading accuracy by compensation method based on friction model in active situation with small load, considering influence of coulomb and maximum static friction, an improved LuGre is proposed. At same time, since effect highly nonlinear determined numerous parameters, differential evolution algorithm...

2005
Uwe Mettin Pedro Xavier Miranda La Hera

In the industry of forestry cranes, the design of automated machines that improve productivity has been a challenge for many researchers and engineers in the field of Control Systems and Robotics. An appropriate control design requires a detailed knowledge of the physical phenomena involved in the real system. At this point it is needed to perform simulation tests more rapid than experimental o...

2013
Narges Dialami Michele Chiumenti Miguel Cervera

This work deals with the modeling of the material flow in Friction Stir Welding (FSW) processes using particle tracing method. For the computation of particle trajectories, three accurate and computationally efficient integration methods are implemented within a FE model for FSW process: the Backward Euler with Substepping (BES), the 4-th order Runge-Kutta (RK4) and the Back and Forth Error Com...

2007
Hyo-Sung Ahn YangQuan Chen Wonpil Yu

This paper presents an adaptive controller for the compensation of state-dependent disturbance with unknown amplitude in a digital servo motor system. The state-dependent disturbance is caused by friction and eccentricity between the wheel axis and the motor driver of a mobile robot servo system. The proposed control scheme guarantees an asymptotical stability for both the velocity and position...

2014
J. Qin

This paper demonstrates the solutions of digital observer implementation for industrial applications. A nonlinear high-gain discrete observer is proposed to compensate the tracking error due to the flexibility of robot manipulators. The proposed discrete observer is obtained by using Euler approximate discretization of the continuous observer. A series of experimental validations have been carr...

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