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Compared with serial robots, because of some advantages, e.g. higher stiffness, errors will not accumulated, parallel robot has much potential use. To 3-RPS parallel robot, there are 3 controllable degrees of freedom (axis x, axis y, axis z, or angle x, angle y, axis z). It may be called position kinematics or posture kinematics. According to structural characteristics of the 3-RPS parallel robot,...
Rehabilitative robot is a new technology that has been developed rapidly. The robot is used to rehabilitate patients whose arms are injured or have difficulty in movement. The robot can move the disable arm in both horizontal and vertical plane, and train the shoulder joint and elbow joint. The human arm is simplified to rigid bodies and rotors. The robot's structure and dynamics are analyzed. Including...
Assistant robotic leg is a kind of robot designed for patients whose legs are injured or have difficulty in movement due to illness (i.e., diabetes, after-illness of the thrombus, etc). Each side leg has one degrees-of freedom motion at the hip and one degree-of-freedom at the knee. It is tied to the patient's two legs to help them practice walking. Based on generalized coordinates, the kinematical...
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