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Novel Design of a Piezoelectrically Actuated Compliant Microgripper with High Area-usage Efficiency by Zekui Lyu; Qingsong Xu is a Engineering article available to read on EtoBox.
What is Novel Design of a Piezoelectrically Actuated Compliant Microgripper with High Area-usage Efficiency about?
Microgrippers act as an end effector in micromanipulation systems, completing the pick-transport-release operations during the working process. This paper presents the design, modeling, optimization, simulation, and experiment of a novel piezoelectrically actuated compliant microgripper for micromanipulation and microassembly. Considering the space and cost constraints of the micromanipulation system, the area-usage efficiency and piezoelectric actuator utilization efficiency are introduced to evaluate its performance. A three-stage amplification mechanism based on bridge-type and leverage mechanisms arranged in series is introduced to achieve a large jaw displacement. The displacement amplification ratio of the microgripper is analyzed via the pseudo-rigid-body model approach. Optimization based on response surface analysis was conducted to determine the structural parameters of the compliant mechanism. Finite-element analysis is performed to evaluate the gripper performance. Moreover, a gripper prototype was fabricated for the experimental test. The investigation results indicate that the gripper allows a maximum gripping displacement of 548.42 μm, a first natural frequency of 33
Who reads Novel Design of a Piezoelectrically Actuated Compliant Microgripper with High Area-usage Efficiency?
It is typically read by researchers, students, and practitioners in Engineering.
- Author
- Zekui Lyu; Qingsong Xu
- Publisher
- Elsevier BV
- Published
- 2022
- Language
- EN
- Field
- Engineering (Physical Sciences)