[PDF] Top 20 Stiffness Characteristics Analysis of a Novel 3- DOF Parallel Kinematic Machine Tool

... Abstract—A novel 1T2R with three degrees of freedom redundantly actuated and overconstrained 2RPU-2SPR parallel manipulator is here presented as an alternative approach for high speed machining in aerospace ... See full document

... a novel 3-PUU parallel manipulator, which is applied for a parallel kinematic machine (PKM) tool, is ...kinematics analysis of the parallel manipulator is ... See full document

... (DOF) 3-PUS-UP parallel manipulator with constrained branch that can be employed to high-speed milling for large heterogeneous complex structural component in aerospace ...the kinematic ... See full document

... many novel designs have been proposed to overcome workspace limitations of the PMs, including: axis-symmetric PMs [3-5] which employ 2-7 actuated arms rotating around a common axis of rotation and robots ... See full document

... the stiffness modeling and analysis of a novel 5-DOF hybrid robot named TriMule which is composed of a 3-DOF positioning parallel mechanism plus a 2-DOF ... See full document

... multi- DOF PMs are composed of multi-hinge and ...high kinematic coupling, complicated dynamics model, hard control also should be ...high stiffness of PMs and the good flexibility, large workspace ... See full document

... and stiffness and no singular- ities in the ...a novel 3- DOF purely TPM, named ...a novel 3-DOF TPM based on two five-bar ...translational 3-CPU was inves- tigated ... See full document

... equivalent stiffness is given at front and rear ...the stiffness of a bearing by computing hertizian contact stresses at each rolling element going through nonlinear procedure In view of above it is ... See full document

... The setup of our 3 DoF robot manipulator is shown in Figure6. Electro magnet end effector is connected to the moving platform of the manipulator to pick a metal object and place a position in workspace of ... See full document

... 6-DOF parallel kinematic machine (PKM) known as HexaM using the data acquired by a ...the kinematic parameters of a hexapod-type ... See full document

... igh stiffness is crucial for the high performance and fine cutting result in machine tool ...The stiffness of the whole machine tool is the combination of the stiffness of ... See full document

... The complete process to calculate the forward kinematics in the exoskeleton starts with the following assumptions: the exoskeleton has five DOF, but two of them are not included in calculus, due that their values ... See full document

... fabrication, 3-D solid models of the bat skeleton were designed to meet the linear and angular dimensions resulted from the kinematic modeling of wing ...of kinematic algorithms and 3-D ... See full document

... multitask machine tools and present them in the form of an applicable ...of parallel machine tools and specifically mill-turns are discussed in ...gap analysis also revealed that some critical ... See full document

... as 3-PSU configuration) of Parallel Manipulator can be elaborated as following; ‘3’ denotes three Degree of Freedom (DoF), ‘P’ stands for actuated prismatic joint, ‘S’ refers to ball & ... See full document

... It is obvious that the constructed PMs have unlimited rotational capability around one axis, i.e., the coincident axis of the two U-joints in each mechanism. In contrast, the rotational range around the other axis can ... See full document

... In general, the trajectory of a human-liked foot step is an ovoid curve where the straight line segment represents the supporting phase and the curve segment represents the swinging phase (Rose and Gamble, 2006). In this ... See full document

... A semi-automated long bone fracture reduction system based on a 6-DOF parallel robot platform has been in development since 2004... The developed 6-DOF parallel robot platform comprises [r] ... See full document

... six kinematic structure parameters exhibited in Table 1 and the structure parameters of the fingers ...cm 3 shows the greatest removals, revolution points, and opening/shutting edge of the configurable ... See full document

... pick-and-place parallel robot having an articulated travelling ...sensitivity analysis; (3) identification of the source errors affecting the compensatable pose accuracy via a simplified model and ... See full document