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METHOD AND DEVICE FOR SOLVING PROBLEM OF STRANGE CONFIGURATION OF EXOSKELETON ROBOT SHOULDER JOINT
METHOD AND DEVICE FOR SOLVING PROBLEM OF STRANGE CONFIGURATION OF EXOSKELETON ROBOT SHOULDER JOINT
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机译:解决外骨骼机器人肩关节交叉构型问题的方法和装置
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摘要
Disclosed is a method for solving the problem of strange configuration of an exoskeleton robot shoulder joint. Firstly, the motion intention of a limb is detected by way of additionally arranging an elbow sleeve and a force sensor at an elbow joint, an exoskeleton humerus rear section member is composed of a rod and an annular bearing inner ring, an elbow sleeve concentric with the bearing inner ring is additionally arranged on an inner wall of the bearing inner ring, and four pressure sensors are installed between the annular bearing and the elbow sleeve at equal intervals for detecting positive pressure from any direction; the sensors measure two sets of orthogonal component force values so as to solve the magnitude and the direction of a resultant force vector f; a drive electric motor A controls an exoskeleton shoulder joint L-shaped rocker arm to drive an exoskeleton humerus front section to rotate to the position perpendicular to the direction of force f, meanwhile an electric motor C and the electric motor A rotate synchronously in opposite directions so that the posture of an exoskeleton humerus rear section remains unchanged; and as an electric motor B drives the exoskeleton humerus front section to rotate, the axis of the electric motor C does not coincide with the axis of the electric motor A, and the shoulder joint is not in a strange configuration.
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