2014
DOI: 10.1017/s0263574714000587
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Hand-eye servo and impedance control for manipulator arm to capture target satellite safely

Abstract: SUMMARYA crucial problem is the risk that a manipulator arm would be damaged by twisting or bending during and after contacting a target satellite. This paper presents a solution to minimize the risk of damage to the arm and thereby enhance contact performance. First, a hand-eye servo controller is proposed as a method for accurately tracking and capturing a target satellite. Next, a motion planning strategy is employed to obtain the best-fit contacting moments. Also, an impedance control law is implemented to… Show more

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Cited by 26 publications
(7 citation statements)
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“…FIGURES 16,19,22 plot the time histories of the close angle of the end-effector. As could be seen in FIGURES 14,15,17,18,20,21, there are oscillations in all of the distance and relative velocity curves in the initial stage of three simulations. These illustrate that there are multiple collisions between the space robot and the target satellite in this stage.…”
Section: A Effectiveness Evaluation Of the Control Methodsmentioning
confidence: 71%
See 1 more Smart Citation
“…FIGURES 16,19,22 plot the time histories of the close angle of the end-effector. As could be seen in FIGURES 14,15,17,18,20,21, there are oscillations in all of the distance and relative velocity curves in the initial stage of three simulations. These illustrate that there are multiple collisions between the space robot and the target satellite in this stage.…”
Section: A Effectiveness Evaluation Of the Control Methodsmentioning
confidence: 71%
“…Apart from the mentioned works, the impedance control method has been employed by many other researchers to design the grasping controller. For example, the impedance control was adopted by Ma et al [20] to protect the robot arm from bending and twisting caused by the contact force in the grasping process. A disturbance-based impedance controller was designed by Flores-Abad et al [21] for grasping operation.…”
Section: Introductionmentioning
confidence: 99%
“…To capture a target robustly without precise motion tracking and large force interaction, a novel gripper design in conjunction with the application of an impedance control law was proposed in Hirano et al (2017) . To minimize interaction forces between a robot manipulator and a satellite, while maintaining contact, an approach based on direct force control in the presence of a rigid grasp was proposed in Seweryn, et al (2018) , while a solution to minimize the risk of damage to the arm and thereby enhance contact performance was presented in Ma et al (2015) . However, both designs require control mode switching.…”
Section: Feedback Controlmentioning
confidence: 99%
“…where are the values of the time derivative of the classical interaction matrices for each of the feature points. Equation (39) contains the unknown term whose expression can be found considering that:…”
Section: Visual Servoing In the Invariant Spacementioning
confidence: 99%