The problem of modeling and controlling the impact between the end-effectors of two multi-DOF cooperating manipulators is considered in this paper, with the goal of designing a control scheme that brings the end-effectors in a steady-state contact with each other and regulates the robots to desired configurations, with an assigned contact force. The equations of motion of the robot are determined both in the contact condition and in the noncontact one. One controller is designed for each manipulator, independently of the other one, including a reduced-order observer for the estimation of the impact-induced forces; in particular, each controller requires only the position and velocity measurements of the robot on which it is implemented (no force measurement is necessary). Such a control scheme, which works correctly also when the robots do not interact (no switching condition is present), allows the global asymptotic regulation of the cooperating robot arms to the desired configuration, with the prescribed contact force, as it is analytically proven in the paper.

Indri, M., Tornambè, A. (1999). Impact model and control of two multi-DOF cooperating manipulators. IEEE TRANSACTIONS ON AUTOMATIC CONTROL, 44(6), 1297-1303 [10.1109/9.769394].

Impact model and control of two multi-DOF cooperating manipulators

Tornambè, Antonio
1999

Abstract

The problem of modeling and controlling the impact between the end-effectors of two multi-DOF cooperating manipulators is considered in this paper, with the goal of designing a control scheme that brings the end-effectors in a steady-state contact with each other and regulates the robots to desired configurations, with an assigned contact force. The equations of motion of the robot are determined both in the contact condition and in the noncontact one. One controller is designed for each manipulator, independently of the other one, including a reduced-order observer for the estimation of the impact-induced forces; in particular, each controller requires only the position and velocity measurements of the robot on which it is implemented (no force measurement is necessary). Such a control scheme, which works correctly also when the robots do not interact (no switching condition is present), allows the global asymptotic regulation of the cooperating robot arms to the desired configuration, with the prescribed contact force, as it is analytically proven in the paper.
Pubblicato
Rilevanza internazionale
Articolo
Esperti anonimi
Settore ING-INF/04 - Automatica
English
Control and Systems Engineering; Computer Science Applications1707 Computer Vision and Pattern Recognition; Electrical and Electronic Engineering
Indri, M., Tornambè, A. (1999). Impact model and control of two multi-DOF cooperating manipulators. IEEE TRANSACTIONS ON AUTOMATIC CONTROL, 44(6), 1297-1303 [10.1109/9.769394].
Indri, M; Tornambè, A
Articolo su rivista
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/2108/193652
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