INDUSTRIAL ROBOT

In an industrial robot including a control apparatus capable of executing control of the robot in a position control mode, a velocity control mode and a current control mode. The control apparatus includes a changeover section (20) for executing changeover between the position control mode and the c...

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Bibliographic Details
Main Authors NAKADA AKIYOSHI, HASEGAWA MIKIO, SOGAWA GENZI, IDE TOSHIHIRO, DOI MAKOTO
Format Patent
LanguageEnglish
Korean
Published 03.09.1990
Edition5
Subjects
CHAMBERS PROVIDED WITH MANIPULATION DEVICES
CONTROL OR REGULATING SYSTEMS IN GENERAL
CONTROLLING
FUNCTIONAL ELEMENTS OF SUCH SYSTEMS
HAND TOOLS
MANIPULATORS
MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS ORELEMENTS
PERFORMING OPERATIONS
PHYSICS
PORTABLE POWER-DRIVEN TOOLS
REGULATING
TRANSPORTING
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Summary:In an industrial robot including a control apparatus capable of executing control of the robot in a position control mode, a velocity control mode and a current control mode. The control apparatus includes a changeover section (20) for executing changeover between the position control mode and the current control mode. The position of an object is sensed by driving a set of arms of the robot in a force control mode which is a combination of the velocity control mode and the current control mode, and detecting the position at which the arms contact an object and are halted. Detection of the halted condition is performed based on a condition of an output signal produced from a position sensor (13), and by repetitively performing such detection for a plurality of different points on the body surface, a plurality of position values are derived which are compared with reference position data. Any change of the position of the object from a reference position is thereby computed by a computation section (24), whereby the robot itself is capable of sensing the position or attitude of an object, in 2 dimensions or 3 dimensions.
Bibliography:Application Number: KR19870700257