[HTML][HTML] Novel rotational motion actuated beam-type multistable metastructures

D Pan, Y Xu, W Li, Z Wu - Materials & Design, 2022 - Elsevier
This work aims to explore and design a family of multistable metastructures, which are
actuated by rotational motion. The bi-stability design criteria for a single pre-shaped beam …

MEMS Switch Realities: Addressing Challenges and Pioneering Solutions

Kurmendra, S Agarwal - Micromachines, 2024 - mdpi.com
Micro-Electro-Mechanical System (MEMS) switches have emerged as pivotal components in
the realm of miniature electronic devices, promising unprecedented advancements in size …

Necessary conditions for static and dynamic bow snap-through in electrostatically actuated initially curved and latched micro-beams

L Medina - Mechanism and Machine Theory, 2024 - Elsevier
A curved bistable micro-beam, subjected to electrostatic loading from an electrode facing its
concave side, may produce a snap-through response with voltages as low as 54%, when …

Bistable click mechanism for dipteran flight robot

Y Han, Y Dong, Z Zhang - International Journal of Mechanical Sciences, 2024 - Elsevier
The flight mechanism of the dipteran insects is commonly used to design the flapping robot.
However, the nonlinear dynamics of the buckling click mechanism of the flapping robot with …

A Controllable Nonlinear Bistable “Fishtail” Boosting Robotic Swimmer with Excellent Maneuverability and High Energy Efficiency

X Chao, I Hameed, D Navarro-Alarcon, X Jing - Soft Robotics, 2024 - liebertpub.com
High maneuverability and energy efficiency are crucial for underwater robots to perform
tasks in engineering practice. Natural evolution empowers aquatic species with skills of …

The metastructures actuated by rotational motion with quasi-zero stiffness, negative stiffness, and bistability

D Pan, S Tan, Z Zhang, W Li - Thin-Walled Structures, 2025 - Elsevier
In this paper, a mechanical metastructure actuated by rotational motion is proposed, which
consists of several cosine beams and two supporting frames, with its mechanical properties …

Click mechanism for racing car self-levelling flap

P Gardonio, N Del Pioluogo, F Da Ros… - Mechanism and Machine …, 2023 - Elsevier
This paper presents a simulation and experimental study on a passive “click” mechanism,
which is designed to adapt the angle of incidence of a racing car flap along a circuit to have …

Interrogating the Configuration Space of Postbuckled Beams

C Cervi, ST Santillan, LN Virgin - Journal of Engineering Mechanics, 2023 - ascelibrary.org
This paper considers the global configuration space of postbuckled structures. Initially, a
slender buckled beam is considered. The boundary conditions are pinned at one end and …

Untethered Bimodal Robotic Fish with Tunable Bistability

X Chao, I Hameed… - 2024 IEEE International …, 2024 - ieeexplore.ieee.org
In nature, fish are excellent swimmers due to their flexible and precise control of tail, which
allows them to freely transform between the smooth flapping and the motion of rapid …

Investigation of reversibility and bi-stability of 3D-printed compliant structures with double curved beams

C Wu, C Peng, P Tran, E Rutz - Materials Science in Additive …, 2024 - accscience.com
Compliant mechanisms have been widely found in nature. Instead of using rigid joints in
conventional mechanisms, compliant mechanisms transfer motions through their flexible …