A microgripper using piezoelectric actuation for micro-object manipulation

Nah, S.K.; Zhong, Zhang

doi:10.1016/j.sna.2006.03.014

Cited by 192 publications

(97 citation statements)

References 24 publications

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“…The finished the results of parameters and position of hinge on the stiffness and output displacement of gripper. Using PRBM approach, a micro-gripper was planned by Lin and Shih [8] and counter-link lengths were optimized. Krishnan and Saggere [6] explained micro category gripper for manipulation of complicated shaped-small sized objects for any position and projected rotational flexures idea with obtained a most geometrical advantage of 11.56.…”

Section: Introductionmentioning

confidence: 99%

“…Flexural hinges design depends on capability of rotation, precision of rotation, stress levels, energy consumption and energy storage that is incredibly important. Nah &Zhong [8] designed and invented a micro-gripper tested using piezoelectric actuator for wire and gear of varied displacement modes, with 170 microns stoke and amplification factor 3 mm.Paros &Weisbord firstly introduced the right circular flexure hinges [9]. They formulated simplified design equations to find compliance of flexure hinges.…”

Section: Introductionmentioning

confidence: 99%

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Effect of Variation in Parameters of a Compliant Micro–Gripper Design

Darawade¹

2016

IOSR

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Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Effect of Variation in Parameters of a Compliant Micro–Gripper Design

Darawade¹

2016

IOSR

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“…However, compliant mechanism based designs, transferring force or displacement through the elastic deformation of one or more flexible members within the structure (i.e., jointless), can overcome the above problems. Due to their advantages of reducing the number of parts (thereby raising the system reliability), reducing the assembly and fabrication cost, and increasing the system performance, such grippers have been successfully used in the applications of precision engineering, biomedical devices and MEMS [3][4][5][6][7][8][9][10][11].…”

Section: Introductionmentioning

confidence: 99%

Design of compliant parallel grippers using the position space concept for manipulating sub-millimeter objects

Hao

Hand

Kong

et al. 2015

2015 21st International Conference on Automation and Computing (ICAC)

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“…The current approach to reduce the impact forces is to couple the gripper to the drive unit of the placement device while leaving 1 DOF unconstrained using a flexible part, wherein the gripper that contacts the component, has a relatively low mass [11][12][13][14][15][16][17][18][19]. In this setup the drive unit will move relatively to the gripper at the end of the component placement.…”

Section: Introductionmentioning

confidence: 99%

Statically Determined Gripper Construction

Plak¹,

Görtzen²,

Puik³

Micro-Assembly Technologies and Applications

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The current approach to reducing impact forces during component placement in micro-assembly is to couple the gripper with 5 Degrees Of Freedom (DOF) to the drive unit of the placement device, wherein the mass of the gripper has been reduced maximally. At the end of the placement motion the drive unit will move relatively to the gripper, as linear as possible given the limitations of the construction. During this motion generally stress builds up in the gripper and it becomes over-constrained due to the extra constraints added by the contact between gripper/component and the substrate. Due to this tension the gripper will start vibrating when the gripper rebounces or when the component is released, resulting in significant placement inaccuracies. A solution has been found to prevent the gripper from becoming over-constrained by adding an extra tilting member to the gripper, leading to a reduction of the placement inaccuracies.

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A microgripper using piezoelectric actuation for micro-object manipulation

Cited by 192 publications

References 24 publications

Effect of Variation in Parameters of a Compliant Micro–Gripper Design

Effect of Variation in Parameters of a Compliant Micro–Gripper Design

Design of compliant parallel grippers using the position space concept for manipulating sub-millimeter objects

Statically Determined Gripper Construction

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