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METAMORPHIC DESIGN AND DEGREE OF FREEDOM ANALYSIS ABOUT PARALLEL MECHANISM FOR ANKLE REHABILITATION
In order to achieve the movement demands of sprained ankle patients in different rehabilitation stages,this paper proposes a kind of metamorphic parallel mechanism for ankle rehabilitation,which can obtain the switch of 3 SPS/PS motion and 3 SPS/S motion by locking or driving the prismatic pair of（ P） S branch chain. The initial configuration of the switch had instantaneously one movement and three rotations in space. Among them,3 SPS/PS configuration has four degrees of freedom,namely the rotation of the moving platform around the x axis,y axis and zaxis and the displacement along the z axis. 3 SPS/S configuration has three degrees of freedom,namely the rotation of the moving platform around the x axis,y axis and z axis,respectively. Finally,the conclusion is verified by screw theory analysis and Adams simulation.
METAMORPHIC DESIGN AND DEGREE OF FREEDOM ANALYSIS ABOUT PARALLEL MECHANISM FOR ANKLE REHABILITATION
In order to achieve the movement demands of sprained ankle patients in different rehabilitation stages,this paper proposes a kind of metamorphic parallel mechanism for ankle rehabilitation,which can obtain the switch of 3 SPS/PS motion and 3 SPS/S motion by locking or driving the prismatic pair of（ P） S branch chain. The initial configuration of the switch had instantaneously one movement and three rotations in space. Among them,3 SPS/PS configuration has four degrees of freedom,namely the rotation of the moving platform around the x axis,y axis and zaxis and the displacement along the z axis. 3 SPS/S configuration has three degrees of freedom,namely the rotation of the moving platform around the x axis,y axis and z axis,respectively. Finally,the conclusion is verified by screw theory analysis and Adams simulation.
METAMORPHIC DESIGN AND DEGREE OF FREEDOM ANALYSIS ABOUT PARALLEL MECHANISM FOR ANKLE REHABILITATION
CHEN GengBiao (author) / YI KuanHan (author)
2021
Article (Journal)
Electronic Resource
Unknown
Metadata by DOAJ is licensed under CC BY-SA 1.0
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