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Flexures: Elements of Elastic Mechanisms
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Flexure Design: Advantages and Disadvantages of Flexures as discussed by the authors The main advantages and disadvantages of flexible design are: Basic Elasticity. Fatigue. Vibrations and Natural Frequencies of Continuous Systems.Abstract:
Introduction: Advantages and Disadvantages of Flexures. Goals of Flexure Design. Essentials: Basic Elasticity. Behavior of Materials. Fatigue. Bending of Symmetric Beams. Rigid Body Dynamics: Linear Systems Theory. Vibrations and Natural Frequencies of Continuous Systems. Flexure Elements: Leaf Type Springs. Notch Hinge. Two Axis Hinges. The Four Bar Link. Flexure Systems: General Model for Dynamics of planar Flexures. Hinges of Rotational Symmetry: The Disc Coupling. Rotationally Symmetric Leaf Type Hinge. The Bellows as a Flexure Element. Levers. Manufacturing and Assembly Considerations: Machining and Heat Treatment of Some Common Flexure Materials.read more
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Proceedings ArticleDOI
A bio-inspired compliant parallel mechanism for high-precision robots
Hiroaki Kozuka,Jumpei Arata,Kenji Okuda,Akinori Onaga,Motoshi Ohno,Akihito Sano,Hideo Fujimoto +6 more
TL;DR: This paper developed a 3-DOF compliant parallel mechanism for an optic component positioning machine that is composed of circular compliant joints that have been inspired by Drakaea, which is an orchidaceous species.
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Quasi-constant rotational stiffness characteristic for cross-spring pivots in high precision measurement of unbalance moment
TL;DR: In this article, a cross-spring pivot with quasi-constant rotational stiffness is proposed for unbalance moment measurement, which can achieve high precision measurement of unbalance moments.
Journal ArticleDOI
Modeling and tracking control of a novel XYθz stage
TL;DR: In this article, a 3DOF XYθz stage is designed and experimentally tested using a flexure hinge-based mechanism with three symmetric T-shape hinges, and a third-order dynamic model is established to investigate the relationship between the input voltage and the output displacement.
Journal ArticleDOI
Optimal Design and Control Strategy of a Novel 2-DOF Micromanipulator:
TL;DR: A kind of novel 2-DOF micromanipulator is designed and analysed based on the two scales of level amplifier principle, which adopts the flexure hinge to replace the traditional hinge to optimize the platform dimensions.
Proceedings ArticleDOI
Design and Control of Path-Following Compliant Mechanisms
Colby C. Swan,Salam Rahmatalla +1 more
TL;DR: In this paper, a control algorithm to manipulate the input actuation forces on hinge-free compliant mechanism models synthesized utilizing continuum topology optimization formulations is implemented and successfully tested in such that the mechanisms follow their specified trajectories and nearby trajectories with high degree of accuracy even when confronted with different resistance forces.