Compliant Mechanisms

Howell, Larry L.

doi:10.1007/978-1-4471-4510-3_7

Cited by 224 publications

(152 citation statements)

References 48 publications

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“…Though there are various methods available to design a compliant micro-gripper, PRBMapproach is used to design a micro-gripper. In PRBM method, flexible links are replaced by rigid links and rotational springs corresponding to the bending of these links.The PRBM is a bridge that connects rigidbody mechanism theory and compliant mechanism theory [12].There are various types of hinges those can be used in compliant mechanism. The main types of them are rectangular hinge, semi-circular hinge, elliptical hinge.…”

Section: Methodology and Geometricmodellingmentioning

confidence: 99%

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

Darawade¹

2016

IOSR

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Section: Methodology and Geometricmodellingmentioning

confidence: 99%

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

Darawade¹

2016

IOSR

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“…The first strategy is to add a slaving mechanism (i.e. lever mechanism) to connect the motion stage and secondary stage of the double parallelogram module so that a 2:1 motion ratio is achieved [21]. The second strategy is to adopt a new exactly-constrained design to replace the double parallelogram module in the XYZ CPM.…”

Section: Improvements Of the Actuated Compliant P Jointmentioning

confidence: 99%

Design of 3-legged XYZ compliant parallel manipulators with minimised parasitic rotations

Hao

2014

Robotica

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Original citationGuangbo ABSTRACTThis article deals with the design of 3-legged distributedcompliance XYZ compliant parallel manipulators (CPMs) with minimised parasitic rotations, based on the kinematically decoupled 3-PPPRR (P: prismatic joint, and R: revolute joint) and 3-PPPR translational parallel mechanisms (TPMs). The designs are firstly proposed using the kinematics substitution approach, with the help of the stiffness center (SC) overlapping based approach. This is done by appropriate embedded arrangement so that all of the SCs associated with the passive compliant modules overlap at the point where all of the input forces applied at the input stages intersect. Kinematostatic modelling and characteristic analysis are then carried out for the proposed large-range 3-PPPRR XYZ CPM with overlapping SCs. The results from finite element analysis (FEA) are compared to the characteristics found for the developed analytical models, as are experimental testing results (primary motion) from the prototyped 3-PPPRR XYZ CPM with overlapping SCs. Finally, issues on large-range motion and dynamics of such designs are discussed, as are possible improvements of the actuated compliant P joint. It is shown that the potential merits of the designs presented here include a) minimised parasitic rotations by only using three identical compliant legs; b) compact configuration and small size due to the use of embedded design; c) approximately kinematostatically decoupled design capable of easy control; and d) monolithic fabrication for each leg using existing planar manufacturing technologies such as electric discharge machining (EDM).

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“…This solution is largely used in the applications related to the small displacement with high precision to eliminate backlash, wear and allows a very high resolution [7]. In this application, a parallel structure of three flexible beams connected to the lower die (Fig.3) is used to have an out-ofplan movement.…”

Section: B Compliant Mechanismmentioning

confidence: 99%