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SAFE ACTIVATION OF FREE-DRIVE MODE OF ROBOT ARM
SAFE ACTIVATION OF FREE-DRIVE MODE OF ROBOT ARM
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机译:安全激活机器人手臂的自由驱动模式
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摘要
The invention relates to a robot controller controlling a robot arm, the robot controller is configured to maintain the robot arm in a static posture when only gravity is acting on the robot arm and allow change in posture of the robot arm when an external force different from gravity is applied to the robot arm. The free-drive mode of operation is activatable by a user establishing a free-drive activation signal to the robot controller, which then is configured to initiate a free-drive mode activation sequence including the steps of: in a predetermined activation sequence period of time monitor a value of at least one joint sensor parameter, and compare this value to a free-drive activation joint sensor parameter threshold value. The robot controller is configured to switch to the free-drive mode of operation if the at least one value does not exceed the free- drive activation joint sensor parameter threshold value within the predetermined activation sequence period of time.
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