A Manipulator System Designed for Free-Flying Teleoperator Spacecraft

Le résumé fourni par la source

A preliminary design of a manipulator system, applicable to a Free-Flying Teleoperator Spececraft operating in conjunction with the Shuttle or Tug, is presented. The manipulator arm incorporates two 4-ft segments to the wrist with actuators located at the shoulder, elbow, and wrist. The wrist provides three degrees-of-freedom through pitch, yaw and continuous roll joints. An interchangeable end effector provides multiple task performance and satellite worksite versatility. A tip force of 10 1bs and a torque of 15 ft-1bs is provided. Man-in-the-loop simulations, using both unilateral and bilateral control techniques, were conducted. Based upon the simulation, a new, but relatively simple, control technique was proposed for the manipulator system.

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