Robotic Agile Lift System With Extremity Control

This invention describes a mobile robot with an arm designed to help people lift heavy objects. An operator stands near the robot and directly manipulates the robot arm, which acts like a "slave" arm. The robot senses the operator's movements and the load, then provides power assistance to make the arm and its payload feel lighter and easier to move.

Why it matters: Since 2011, advancements in force-torque sensors, high-fidelity actuators, and real-time robotic control systems have made responsive human-robot physical interaction more feasible and precise. This could significantly improve the intuitiveness and safety of such a leader-follower lift assistance system.

Status: ExpiredProtection ended and was never renewed
How hard to build: SpecializedRobotic arm, mobile platform, real-time force control

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