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Design and Analysis of a Fibre-Shaped Micro-Actuator for Robotic Gripping
Author(s) -
Alberto Borboni,
Francesco Aggogeri,
Rodolfo Faglia
Publication year - 2013
Publication title -
international journal of advanced robotic systems
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.394
H-Index - 46
eISSN - 1729-8814
pISSN - 1729-8806
DOI - 10.5772/55539
Subject(s) - actuator , computer science , sma* , shape memory alloy , software , controller (irrigation) , simulation , resolution (logic) , artificial intelligence , programming language , algorithm , agronomy , biology
A prototype of an automatic micropositioning system was developed. This prototype uses a shape memory alloy (SMA) actuator, a dedicated PI controller and a piece of software to command a desired motion profile for the actuator. The proposed micropositioning system is characterized by a 4 mm stroke, a 1 μm resolution and a 70 g nominal force and can be commanded directly from a personal computer and without human retroaction. The closed loop positioning resolution (1 μm) is obtained in spite of inaccurate system behaviour during its movement

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