Micro manipulation by a compliant piezoelectric micro gripper towards robotic micro assembly Online publication date: Sat, 19-Mar-2016
by Ravi Kant Jain; Somajyoti Majumder; Bhaskar Ghosh; Surajit Saha
International Journal of Mechatronics and Manufacturing Systems (IJMMS), Vol. 9, No. 1, 2016
Abstract: This paper presents a new design of mobile micro manipulation system for robotic micro assembly where a compliant piezoelectric actuator-based micro gripper is designed for handling the miniature parts. The compensation of misalignment during robotic peg-in-hole assembly is achieved by this compliant micro gripper because the piezoelectric actuator has capability of producing the displacement in micron range and generates high force instantaneously. The throughput/speed analysis of mobile micro manipulation system is carried out for picking and placing the peg from one hole to next hole position. An analysis of piezoelectric actuator-based micro gripper has also been discussed where voltage is controlled through a proportional-derivative (PD) controller. By developing a prototype, it is demonstrated that compliant piezoelectric actuator-based micro gripper is capable of handling the peg-in-hole assembly task in a mobile micro manipulation system.
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