A Framework for the Design of a Magnet-Based Multistable Rotational Stage

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Abstract Multistable metamaterials are architected structures capable of adopting multiple stable geometrical configurations. This unique characteristic makes them highly valuable for stiffness control, energy harvesting, and morphing technologies. As a result, multistable structures hold great potential for diverse applications across various fields. The development of multistable metamaterials primarily relies on buckled beam technology, enabling the creation of a wide range of structures. However, only a few rotational multistable designs have been explored. Additionally, the geometry of buckled beams imposes constraints on the range of motion. To overcome these limitations, our work introduces a novel design method for magnet-based rotational multistable stages. This approach, grounded in the electrostatic ideal dipole assumption, enables precise control over the angle of multistability and the stiffness of the stable states.

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