نتایج جستجو برای: flexible joints robot

تعداد نتایج: 262787  

Journal: :journal of artificial intelligence and data mining 0
m. moradizirkohi department of electrical engineering, behbahan khatam alanbia university of technology, behbahan, iran. s. izadpanah department of electrical engineering, behbahan khatam alanbia university of technology, behbahan, iran.

in this paper a novel direct adaptive fuzzy system is proposed to control flexible-joints robot including actuator dynamics. the design includes two interior loops: the inner loop controls the motor position using proposed approach while the outer loop controls the joint angle of the robot using a pid control law. one novelty of this paper is the use of a pso algorithm for optimizing the contro...

A. R. Tavakolpour-Saleh, M. H. Sangdani

This paper focuses on parameter identification of a target tracker robot possessing flexible joints using particle swarm optimization (PSO) algorithm. Since, belt and pulley mechanisms are known as flexible joints in robotic systems, their elastic behavior affecting a tracker robot is investigated in this work. First, dynamic equations governing the robot behavior are extracted taking into acco...

Journal: :روش های عددی در مهندسی (استقلال) 0
علی مقداری و فرید فهیمی a. meghdari and f. fahimi

recently a method has been developed to decouple the equations of motion for multi-rigid body systems. in this paper, the method is first studied, then the equations of motion for a planar two degree-of-freedom robot with flexible joints are carried out using lagaranges equations and kanes equation with congruency transformations. finally, the results obtained from both methods are throroughly ...

In this paper a novel direct adaptive fuzzy system is proposed to control flexible-joints robot including actuator dynamics. The design includes two interior loops: the inner loop controls the motor position using proposed approach while the outer loop controls the joint angle of the robot using a PID control law. One novelty of this paper is the use of a PSO algorithm for optimizing the contro...

A. Meghdari and F. Fahimi,

Recently a method has been developed to decouple the equations of motion for multi-rigid body systems. In this paper, the method is first studied, then the equations of motion for a planar two degree-of-freedom robot with flexible joints are carried out using Lagaranges equations and Kanes equation with congruency transformations. Finally, the results obtained from both methods are throroughly ...

A. Meghdari and F. Fahimi,

Recently a method has been developed to decouple the equations of motion for multi-rigid body systems. In this paper, the method is first studied, then the equations of motion for a planar two degree-of-freedom robot with flexible joints are carried out using Lagarange's equations and Kane's equation with congruency transformations. Finally, the results obtained from both methods are throroughl...

Journal: :Automatisierungstechnik 2010
Luc Le Tien Alin Albu-Schäffer Klaus Janschek Gerd Hirzinger

The paper describes the control and friction compensation of a robot with flexible joints (the DLR medical robot), which has strong mechanical couplings within pairs of joints realized with a differential gear-box. In consideration of this coupling, a MIMO state controller is designed for the strongly coupled joints. In addition a disturbance observer is developed to compensate the nonlinear ef...

2016
Haijie Li Xuping Zhang

This paper presents a computationally efficient method for the modeling of robot manipulators with flexible links and joints. This approach combines the Discrete Time Transfer Matrix Method with the Finite Segment Method, in which the flexible links are discretized by a number of rigid segments connected by torsion springs; and the flexibility of joints are modeled by torsion springs. The propo...

2015
Alessandro De Luca

Mechanical flexibility in robot manipulators is due to compliance at the joints and/or distributed deflection of the links. Dynamic models of the two classes of robots with flexible joints or flexible links are presented, together with control laws addressing the motion tasks of regulation to constant equilibrium states and of asymptotic tracking of output trajectories. Control design for robot...

Journal: :JSME international journal. Ser. C, Dynamics, control, robotics, design and manufacturing 1995

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