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A novel 2-RRC+SPS parallel manipulator with three translational movements is proposed. The kinematics and dynamics of the manipulator is analyzed. According to its geometric model, a kinematic equation is derived, from which can obtain direct and inverse solution of position. The inverse solution of velocity and acceleration are also derived. The dynamic equation of the manipulator based on the Lagrange...
In this paper, a novel over-constrained parallel manipulator with three degree-of-freedom (DOF) is presented. Closed-form solutions are developed for both the inverse and forward kinematics of the mechanism. For the inverse kinematics, four possible solutions are determined. For the forward kinematics, a twenty-four order polynomial equation has been derived to determine all possible poses for the...
In this paper, the inverse kinematics and dynamics of the 3-RRRT parallel manipulator with three translational degrees of freedom are investigated. First, the equations of kinematics have been formulated by using close-vector approach. Then, the angular velocities and accelerations of the manipulator are developed. Furthermore, the inverse dynamics for the manipulator is performed by using Lagrange...
Position control and vibration control of the underactuated flexible robot in operational space is implemented. Firstly, the dynamic equations in operational space are derived using the assumed modes method. And kinematics and dynamics of the system are analyzed. Secondly, position control method of the underactauted flexible manipulator in the operational space is proposed. Because the elastic vibration...
This paper presents the inverse dynamics analysis of 3-RRRT parallel manipulator with three translational degrees of freedom. Firstly, kinematic analysis of 3-RRRT parallel manipulator is completed using screw theory. Second, the generalized forces of moving platform and all links are expressed in screw formation. Based on these work, the inverse dynamic formula of the manipulator is gotten by the...
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