Direct force feedback control method, and controller and robot using the same
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United States of America Patent
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May 23, 2023
Grant Date -
N/A
app pub date -
Mar 10, 2021
filing date -
Jun 12, 2020
priority date (Note) -
In Force
status (Latency Note)
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Abstract
A direct force feedback control method as well as a controller and a robot using the same are provided. The method includes: obtaining an actual position and an actual speed of an end of the robotic arm and an actual external force acting on the end in a Cartesian space; calculating an impedance control component of the end in the Cartesian space based on the obtained actual position, the obtained actual speed, the obtained actual external force, an expected position, an expected speed, and an expected acceleration of the end; calculating a force control component of the end in the Cartesian space based on an expected interaction force acting on the end, the actual external force, and the actual speed; determining whether the actual external force is larger than a preset threshold, and obtaining a total force control quantity of the end of the robotic arm in the Cartesian space.
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