Advances in modeling dense granular media

K Kamrin, KM Hill, DI Goldman… - Annual Review of Fluid …, 2024 - annualreviews.org
This review focuses on how the modeling of dense granular media has advanced over the
last 15 years. The jumping-off point of our review is the μ (I) rheology for dry granular flow …

Coordinating tiny limbs and long bodies: Geometric mechanics of lizard terrestrial swimming

B Chong, T Wang, E Erickson… - Proceedings of the …, 2022 - National Acad Sciences
Although typically possessing four limbs and short bodies, lizards have evolved diverse
morphologies, including elongate trunks with tiny limbs. Such forms are hypothesized to aid …

Multilegged matter transport: A framework for locomotion on noisy landscapes

B Chong, J He, D Soto, T Wang, D Irvine… - Science, 2023 - science.org
Whereas the transport of matter by wheeled vehicles or legged robots can be guaranteed in
engineered landscapes such as roads or rails, locomotion prediction in complex …

Self-propulsion via slipping: Frictional swimming in multilegged locomotors

B Chong, J He, S Li, E Erickson… - Proceedings of the …, 2023 - National Acad Sciences
Locomotion is typically studied either in continuous media where bodies and legs
experience forces generated by the flowing medium or on solid substrates dominated by …

Optimizing contact patterns for robot locomotion via geometric mechanics

B Chong, T Wang, L Bo, S Li… - … Journal of Robotics …, 2023 - journals.sagepub.com
Contact planning is crucial to the locomotion performance of robots: to properly self-propel
forward, it is not only important to determine the sequence of internal shape changes (eg …

Optimal planar leg geometry in robots and crabs for idealized rocky terrain

Y Chen, G Clifton, NM Graf, K Durand… - Bioinspiration & …, 2022 - iopscience.iop.org
Natural terrain is uneven so it may be beneficial to grasp onto the depressions or'valleys'
between obstacles when walking over such a surface. To examine how leg geometry …

Leg-body coordination strategies for obstacle avoidance and narrow space navigation of multi-segmented, legged robots

N Mingchinda, V Jaiton, B Leung… - Frontiers in …, 2023 - frontiersin.org
Introduction Millipedes can avoid obstacle while navigating complex environments with their
multi-segmented body. Biological evidence indicates that when the millipede navigates …

Actuating mechanical arms coupled to an array of FitzHugh–Nagumo neuron circuits

IK Ngongiah, B Ramakrishnan, GF Kuiate… - The European Physical …, 2023 - Springer
The paper is aimed at mimicking the motion of myriapods by using an array of mechanical
arms coupled to an array of FitzHugh–Nagumo (FN) neuron circuits. The differential …

Maneuverable and Efficient Locomotion of a Myriapod Robot with Variable Body-Axis Flexibility via Instability and Bifurcation

S Aoi, Y Yabuuchi, D Morozumi, K Okamoto… - Soft …, 2023 - liebertpub.com
Legged robots have remarkable terrestrial mobility, but are susceptible to falling and leg
malfunction during locomotion. The use of a large number of legs, as in centipedes, can …

Geometrically modulable gait design for quadrupeds

HKH Prasad, RL Hatton… - IEEE Robotics and …, 2024 - ieeexplore.ieee.org
Miniature-legged robots are constrained by their onboard computation and control, thus
motivating the need for simple, first-principles-based geometric models that connect periodic …