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Many structural properties of conventional passive materials are known to arise from the symmetries of their microscopic constituents. By contrast, it is largely unclear how the interplay between cell shape and self-propulsion controls the…

软凝聚态物质 · 物理学 2014-01-29 H. H. Wensink , V. Kantsler , R. E. Goldstein , J. Dunkel

At the cutting edge of materials science, matter is designed to self-organize into structures that perform a wide range of functions. The past two decades have witnessed major innovations in the versatility of building blocks, ranging from…

软凝聚态物质 · 物理学 2022-09-26 Angus McMullen , Maitane Muñoz Basagoiti , Zorana Zeravcic , Jasna Brujic

Humanoid robots are machines built with an anthropomorphic shape. Despite decades of research into the subject, it is still challenging to tackle the robot locomotion problem from an algorithmic point of view. For example, these machines…

机器人学 · 计算机科学 2020-04-28 Stefano Dafarra

Random sequential adsorption algorithm is a popular tool for modelling structure of monolayers built in irreversible adsorption experiments. However, this algorithm becomes very inefficient when the density of molecules in a layer rises.…

计算物理 · 物理学 2019-11-25 Michał Cieśla

Traditional robotic mechanisms contain a series of rigid links connected by rotational joints that provide powered motion, all of which is controlled by a central processor. By contrast, analogous mechanisms found in nature, such as octopus…

计算工程、金融与科学 · 计算机科学 2023-11-06 Anurag Bhattacharyya , Jin-Young Kim , Lee R. Alacoque , Kai A. James

A novel method for the numerical prediction of the slowly varying dynamics of nonlinear mechanical systems has been developed. The method is restricted to the regime of an isolated nonlinear mode and consists of a two-step procedure: In the…

计算工程、金融与科学 · 计算机科学 2021-01-01 Malte Krack , Lars Panning-von Scheidt , Jörg Wallaschek

Design of robots at the small scale is a trial-and-error based process, which is costly and time-consuming. There are few dynamic simulation tools available to accurately predict the motion or performance of untethered microrobots as they…

机器人学 · 计算机科学 2020-10-08 Jiayin Xie , Chenghao Bi , David J. Cappelleri , Nilanjan Chakraborty

Swarms of molecular robots are a promising approach to create specific shapes at the microscopic scale through self-assembly. However, controlling their behavior is a challenging problem as it involves complex non-linear dynamics and high…

机器人学 · 计算机科学 2019-10-02 Leo Cazenille , Nicolas Bredeche , Nathanael Aubert-Kato

Integration of active matter in larger micro-devices can provide an embedded source of propulsion and lead to self-actuated micromachining systems that do not rely on any external power or control apparatus. Here we demonstrate that Janus…

软凝聚态物质 · 物理学 2025-09-29 C. Maggi , J. Simmchen , F. Saglimbeni , J Katuri , M. Dipalo , F. De Angelis , S. Sánchez , R. Di Leonardo

Self-assembly is a fundamental concept in biology and of significant interest to nanotechnology. Significant progress has been made in characterizing and controlling the properties of the resulting structures, both experimentally and…

软凝聚态物质 · 物理学 2024-03-06 Florian M. Gartner , Erwin Frey

Biological systems often involve the self-assembly of basic components into complex and function- ing structures. Artificial systems that mimic such processes can provide a well-controlled setting to explore the principles involved and also…

Legged robots have significant potential to operate in highly unstructured environments. The design of locomotion control is, however, still challenging. Currently, controllers must be either manually designed for specific robots and tasks,…

机器人学 · 计算机科学 2021-07-19 Mathias Thor , Poramate Manoonpong

Self-assembly is the autonomous organization of components into patterns or structures: an essential ingredient of biology and a desired route to complex organization. At equilibrium, the structure is encoded through specific interactions,…

软凝聚态物质 · 物理学 2018-10-03 Antoine Aubret , Mena Youssef , Stefano Sacanna , Jérémie Palacci

Soft materials have many important roles in animal locomotion and object manipulation. In robotic applications soft materials can store and release energy, absorb impacts, increase compliance and increase the range of possible shape…

机器人学 · 计算机科学 2015-09-28 Vishesh Vikas , Paul Templeton , Barry Trimmer

Many microorganisms swim by performing larger non-reciprocal shape deformations that are initiated locally by molecular motors. However, it remains unclear how decentralized shape control determines the movement of the entire organism.…

生物物理 · 物理学 2025-05-14 Benedikt Hartl , Michael Levin , Andreas Zöttl

The Topological complexity a la Farber $\text{TC}(-)$ is a homotopy invariant which have interesting applications in Robotics, specifically, in the robot motion planning problem. In this work we calculate the topological complexity of the…

代数拓扑 · 数学 2019-11-12 Cesar A. Ipanaque Zapata

Self-assembly refers to the process by which small, simple components mix and combine to form complex structures using only local interactions. Designed as a hybrid between tile assembly models and cellular automata, the Tile Automata (TA)…

新兴技术 · 计算机科学 2019-06-06 John Calvin Alumbaugh , Joshua J. Daymude , Erik D. Demaine , Matthew J. Patitz , Andrea W. Richa

The efficient and controlled assembly of complex structures from macromolecular building blocks is a critical open question in both biological systems and nanoscience. Using molecular dynamics simulations we study the self-assembly of…

软凝聚态物质 · 物理学 2014-06-10 Shengfeng Cheng , Mark J. Stevens

Active solids such as cell collectives, colloidal clusters, and active metamaterials exhibit diverse collective phenomena, ranging from rigid body motion to shape-changing mechanisms. The nonlinear dynamics of such active materials remains…

软凝聚态物质 · 物理学 2024-06-21 Claudio Hernández-López , Paul Baconnier , Corentin Coulais , Olivier Dauchot , Gustavo Düring

For over a decade, linear and symmetric weight updates have remained the elusive holy grail in neuromorphic computing. Here, we unveil a kinetically controlled molecular mechanism driving a near-ideal neuromorphic element, capable of…

新兴技术 · 计算机科学 2025-01-06 Bidyabhusan Kundu , Sreetosh Goswami