Synthesis method of two translational compliant mechanisms  with redundant actuation

Li, Shihua; Zhou, Yu; Shan, Yanxia; Chen, Shuang; Han, Jinhan

doi:10.5194/ms-12-983-2021

Cited by 6 publications

(2 citation statements)

References 33 publications

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“…In the evolution of type synthesis theory, the mechanism's DOF is often combined with other characteristics of the mechanism to carry out type synthesis. Examples include the integration of the mechanism's DOF with the Jacobian matrix [26,27], of the mechanism's DOF with the decoupling situation [28], of the mechanism's DOF with the redundancy situation [29,30], and more.…”

Section: Introductionmentioning

confidence: 99%

Research on the Type Synthesis of a Regular Hexagonal Prism Rubik’s Cube Mechanism

Fan,

Zeng,

Tan

et al. 2023

Machines

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The Rubik’s Cube mechanism (RCM) is a kind of reconfigurable mechanism with multiple characteristics such as multiple configurations, variable topology, strong coupling, and reconfigurability. Crossover research on the RCM with mathematics, chemistry, cryptography, and other disciplines has led to important breakthroughs and progress. It is obvious that the invention and creation of a new RCM can provide important ideological inspiration and theoretical guidance for the accelerated iterative updating of Rubik’s Cube products and the expansion of their applications. This paper investigates the type synthesis method for a regular hexagonal prism (RHP) RCM (RHPRCM). Through analysis of the reconfigurable movement process of the RCM, two mechanism factors are abstracted, a type synthesis process for the RHPRCM is proposed, a symmetry layout method for the RCM’s revolute axis based on the RHP space polyhedron is proposed, and an analysis method for the intersection of the revolute pair contact surfaces (RPCSs) based on the adjacency matrix is proposed. Taking a revolute axis passing through the center of an RHP and having only one RPCS for each revolute axis as an example, an RHPRCM with different topological structures is synthesized. The relevant research in this paper can provide methodological guidance for the synthesis of other spatial RCMs.

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Section: Introductionmentioning

confidence: 99%

Research on the Type Synthesis of a Regular Hexagonal Prism Rubik’s Cube Mechanism

Fan,

Zeng,

Tan

et al. 2023

Machines

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“…The parallel mechanisms (PMs) have the advantages of high rigidity, high bearing capacity, and small cumulative error and are widely used in aerospace, machining, medical rehabilitation, bionics, and other fields (Li et al, 2021;L. Wang et al, 2022;Niu et al, 2023).…”

Section: Introductionmentioning

confidence: 99%

Type synthesis of non-overconstrained and overconstrained two rotation and three translation (2R3T) parallel mechanisms with three branched chains

Rong,

Zhang,

Dou

et al. 2023

Mech. Sci.

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Abstract. In this paper, a new synthesis method of 2R3T (R denotes rotation and T denotes translation) overconstrained and non-overconstrained parallel mechanisms (PMs) with three branched chains based on the displacement sub-manifold method is presented. Firstly, the displacement sub-manifolds of mechanisms were determined based on 2R3T motions. Subsequently, the displacement sub-manifolds of the branched chains were derived using the displacement sub-manifold theory, and their corresponding motion diagrams were provided. Additionally, a comprehensive analysis of non-overconstrained 2R3T PMs with a single-constraint branched chain was conducted, and the type synthesis of overconstrained 2R3T PMs with two or three identical constraints was also performed, accompanied by the presentation of partial mechanism diagrams. Finally, the number of DOF (degrees of freedom) of the mechanism was calculated using the modified Kutzbach–Grübler equation for a new PMs,and the screw theory was used to verify the kinematic characteristics, proving this new method's correctness.

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Development of a Database to Simulate and Adapt Compliant Mechanisms to a Given Characteristic for Improving Energy Efficiency of a Walking Robot

Zirkel

Luo²,

Römer³

et al. 2022

Microactuators, Microsensors and Micromechanisms

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Synthesis method of two translational compliant mechanisms with redundant actuation

Cited by 6 publications

References 33 publications

Research on the Type Synthesis of a Regular Hexagonal Prism Rubik’s Cube Mechanism

Research on the Type Synthesis of a Regular Hexagonal Prism Rubik’s Cube Mechanism

Type synthesis of non-overconstrained and overconstrained two rotation and three translation (2R3T) parallel mechanisms with three branched chains

Development of a Database to Simulate and Adapt Compliant Mechanisms to a Given Characteristic for Improving Energy Efficiency of a Walking Robot

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