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Related papers: Closed-loop Control of Catalytic Janus Microrobots

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A novel, model free, approach to experimental closed-loop flow control is implemented on a separated flow. Feedback control laws are generated using genetic programming where they are optimized using replication, mutation and cross-over of…

Fluid Dynamics · Physics 2015-06-19 Nicolas Gautier , Thomas Duriez , Jean-Luc Aider , Bernd Noack , Marc Segond , Markus Abel

A system of particles with motility variable in terms of a vision-type of perception is here investigated by a combination of Langevin dynamics simulations in two-dimensional systems and an analytical approach based on conservation law…

Soft Condensed Matter · Physics 2024-07-03 Rodrigo Saavedra , Gerhard Gompper , Marisol Ripoll

This review article aims at illustrating the recent progresses in the electrical control of magnetism in oxides with profound physics and enormous potential applications. In the first part, we provide a comprehensive summary of the…

Materials Science · Physics 2015-09-08 Cheng Song , Bin Cui , Jingjing Peng , Haijun Mao , Feng Pan

The navigation of micro-robots in complex flow environments is controlled by rheotaxis, the reorientation with respect to flow gradients. Here we demonstrate how payloads can be exploited to enhance the motion against flows. Using fully…

Soft Condensed Matter · Physics 2024-03-26 Abdallah Daddi-Moussa-Ider , Maciej Lisicki , Arnold J. T. M. Mathijssen

An isotropic medium, having magnetic sublevels, when subjected to a magnetic field or an electromagnetic field can induce anisotropy in the medium; and as a result the plane of polarization of the probe field can rotate. Therefore the…

Quantum Physics · Physics 2007-05-23 Anil K. Patnaik , G. S. Agarwal

The key information about any nanoscale system are orientations and conformations of its parts. Unfortunately, these details are often hidden below the diffraction limit and elaborate techniques must be used to optically probe them. Here,…

True microrobots, in contrast with externally controlled microparticles, must harvest or carry their own source of energy, as well as their own (preferably programmable) microcontroller of actuators for locomotion, using information…

Systems and Control · Electrical Eng. & Systems 2025-08-26 Vineeth K. Bandari , Yeji Lee , Pranathi Adluri , Daniil Karnaushenko , Dmitriy D. Karnaushenko , John S. McCaskill , Oliver G. Schmidt

Hybrid quantum systems exhibiting coupled optical, spin, and mechanical degrees of freedom can serve as a platform for sensing, or as a bus to mediate interactions between qubits with disparate energy scales. These systems are also creating…

Quantum Physics · Physics 2020-01-08 Pablo R. Zangara , Alexander Wood , Marcus W. Doherty , Carlos. A. Meriles

We propose a two-dimensional model for the organization of stabilized microtubules driven by molecular motors in an unconfined geometry. In this model two kinds of dynamics are competing. The first one is purely diffusive, with an…

Statistical Mechanics · Physics 2019-08-17 B. Bassetti , M. Cosentino Lagomarsino , P. Jona

To develop active nanomaterials that can instantly respond to external stimuli with designed mechanical motions is an important step towards the realization of nanomachines and nanorobots. Herein, we present our finding of a versatile…

Applied Physics · Physics 2020-01-08 Zexi Liang , Daniel Teal , Donglei Fan

Humans can effortlessly perform very complex, dexterous manipulation tasks by reacting to sensor observations. In contrast, robots can not perform reactive manipulation and they mostly operate in open-loop while interacting with their…

Robotics · Computer Science 2023-12-12 Yuki Shirai , Devesh K. Jha , Arvind U. Raghunathan , Dennis Hong

Micro/Nano motors are micro to nano-sized particles and systems that are capable of motion in fluidic systems. Their motion can be a result of many mechanisms, one of the most well-known of which is electrolyte diffusiophoresis, in which…

Biological Physics · Physics 2023-02-21 Roshan Velluvakandy , Atul Chaskar

Existing approaches for visuomotor robotic control typically require characterizing the robot in advance by calibrating the camera or performing system identification. We propose MAVRIC, an approach that works with minimal prior knowledge…

Robotics · Computer Science 2020-01-01 Brian Yang , Dinesh Jayaraman , Glen Berseth , Alexei Efros , Sergey Levine

To date, endeavors in nanoscale spintronics are dominated by the use of single-electron or single-spin transistors having at their heart a semiconductor, metallic or molecular quantum dot who's localized states are non-spin-degenerate and…

Mesoscale and Nanoscale Physics · Physics 2017-12-12 Ilia N. Sivkov , Oleg O. Brovko , Ivan Rungger , Valeri S. Stepanyuk

A thin Co/Cu/Permalloy (Ni$_{80}$Fe$_{20}$) pseudo-spin-valve structure is sandwiched between superconducting Nb contacts. When the current is passed perpendicular to the plane of the film a Josephson critical current ($I_C$) is observed at…

Superconductivity · Physics 2009-11-10 C. Bell , G. Burnell , C. W. Leung , E. J. Tarte , D. -J. Kang , M. G. Blamire

Controlling soft continuum robotic arms is challenging due to their hyper-redundancy and dexterity. In this paper we demonstrate, for the first time, closed-loop control of the configuration space variables of a soft robotic arm, composed…

Robotics · Computer Science 2022-10-04 Azadeh Doroudchi , Zhi Qiao , Wenlong Zhang , Spring Berman

We investigate the sensorimotor loop of simple robots simulated within the LPZRobots environment from the point of view of dynamical systems theory. For a robot with a cylindrical shaped body and an actuator controlled by a single…

Neurons and Cognition · Quantitative Biology 2019-01-18 Bulcsú Sándor , Tim Jahn , Laura Martin , Claudius Gros

Sliding ferroelectricity is emerging as a distinct and promising mechanism for realizing ferroelectricity in low-dimensional systems, offering new design principles beyond the conventional ferroelectric mechanism. Further, the coexistence…

Materials Science · Physics 2025-12-23 Akshay Mahajan , Awadhesh Narayan

Two-dimensional materials with Janus structure host novel physical properties due to their inversional symmetry breaking. However, it remains elusive to synthesize Janus monolayer crystals with tailored long-range magnetic orders. Here, we…

Confined ion transport is involved in nanoporous ionic systems. However, it is challenging to mechanistically predict its electrical characteristics for rational system design and performance evaluation using electrical circuit model due to…

Mesoscale and Nanoscale Physics · Physics 2024-06-03 Hualin Zhan , Richard Sandberg , Fan Feng , Qinghua Liang , Ke Xie , Lianhai Zu , Dan Li , Jefferson Zhe Liu