Interlocking electro-bonded laminates

Heath, Callum J. C.; Bond, Ian P; Potter, Kevin D

doi:10.1177/1045389x16672733

Cited by 2 publications

(2 citation statements)

References 13 publications

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“…The final result is increment in the bending stiffness of the entire stack. The principle of using electrostatic force to lock/unlock the layers is currently known as electro-bonded lamination [10] or electrostatic layer jamming [11][12][13].…”

Section: Elecrostatic Forcementioning

confidence: 99%

A Review of Mechanisms to Vary the Stiffness of Laminar Jamming Structures and Their Applications in Robotics

Caro,

Carmichael

2024

Actuators

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Laminar jamming (LJ) is a method to achieve variable stiffness in robotics that has attracted notable attention because of its simple working principle and potential high stiffness variation. This article reviews the lock/unlock mechanisms of LJ structures. The application of these mechanisms in robotics is discussed, including grippers, continuum robots, wearable robots, robot arms, and more. Furthermore, the performance and limitations of the mechanisms to vary the stiffness of LJ are qualitatively and quantitatively analyzed. This performance analysis focuses mainly on the potential of LJ mechanisms to be applied in robot arms with variable stiffness and their potential to attenuate the impact between human beings and robot arms. The modeling of LJ through analytical and finite element methods is described, and their evolution towards design methodologies is discussed. To conclude, the directions and recommendations that should be followed in research on LJ are discussed. These include the improvement of existing lock/unlock mechanisms, the development of new lock/unlock mechanisms, and the development of more control algorithms for robot arms that incorporate LJ structures.

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Section: Elecrostatic Forcementioning

confidence: 99%

A Review of Mechanisms to Vary the Stiffness of Laminar Jamming Structures and Their Applications in Robotics

Caro,

Carmichael

2024

Actuators

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“…Bergamini et al [28] achieved an 18-fold increase in bending stiffness with a similar approach. Heath et al [29] also investigated interlocking electro-bonded layers where the interfaces were not plain but followed a cosine wave form. This way they achieved direction-dependent variable stiffness.…”

Section: Electro-actuated Shape Adaptationmentioning

confidence: 99%

Non-Conventional Deformations: Materials and Actuation

Vermes

Czigány

2020

Materials

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This paper reviews materials and structures displaying non-conventional deformations as a response to different actuations (e.g., electricity, heat and mechanical loading). Due to the various kinds of actuation and targeted irregular deformation modes, the approaches in the literature show great diversity. Methods are systematized and tabulated based on the nature of actuation. Electrically and mechanically actuated shape changing concepts are discussed individually for their significance, while systems actuated by heat, pressure, light and chemicals are condensed in a shared section presenting examples and main research trends. Besides scientific research results, this paper features examples of real-world applicability of shape changing materials, highlighting their industrial value.The optimal shape-changing concept always depends on the application. In some cases, we do not want the material to adapt to its environment; instead, we wish to control its deformation actively. In these cases, systems actuated by electricity [5], heat [6] or pressure [7] may be considered. On the other hand, there are situations when environmental adaptation is what we are after to achieve maximum working efficiency of a structural part. In the case of marine or wind turbine blades, for instance, their shape for optimal energy yield depends on the direction and speed of the flowing fluid, i.e., the mechanical loading the blades are subjected to [8]. A mechanically actuated shape-changing material could passively modulate its shape (e.g., twisting) in response to changing loads (e.g., bending moments), resulting in significant efficiency gains.This review aims to introduce some selected shape-changing concepts from the literature categorized by the type of actuation giving an up-to-date overview of this field of research.

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Interlocking electro-bonded laminates

Cited by 2 publications

References 13 publications

A Review of Mechanisms to Vary the Stiffness of Laminar Jamming Structures and Their Applications in Robotics

A Review of Mechanisms to Vary the Stiffness of Laminar Jamming Structures and Their Applications in Robotics

Non-Conventional Deformations: Materials and Actuation

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