Design of a Dynamically Balanced 2-DOF Planar Parallel Manipulator using Four-bar Legs

الموضوعات :

Amin Poursafar ¹ (Department of Mechanical Engineering, Dehaghan Branch, Islamic Azad University, Dehaghan, Iran)
Meisam Vahabi ² (Department of Mechanical Engineering, Najafabad Branch, Islamic Azad University, Najafabad, Iran. Modern manufacturing technologies research center, Najafabad Branch, Islamic Azad University, Najafabad, Iran)

تاريخ الإرسال : 04 الثلاثاء , رمضان, 1438 تاريخ التأكيد : 23 الإثنين , شوال, 1438 تاريخ الإصدار : 17 الإثنين , صفر, 1439

الکلمات المفتاحية: Dynamic balance, 2 Degree of freedom mechanism, Manipulator, ADAMS,

ملخص المقالة :

A mechanism is reactionless or dynamically balanced when there is no shaking force and shaking moment applied to the base during mechanism movement. The theory for designing reactionless 2 degree-of-freedom (DOF) planar parallel manipulator is discussed in this paper. The legs of the manipulator are four-bar 2-DOF mechanisms with revolute joints. The dynamic balancing conditions of the manipulator are derived, considering that the time rate of the total linear and angular momentum have to be vanished. The dynamic balancing equations first are obtained and illustrated through a numerical example and finally verified by computer simulation using ADAMS software.

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