Results 51 to 60 of about 56,879 (283)

Modulus‐Switchable Miniature Robots for Biomedical Applications: A Review

Advanced Robotics Research, EarlyView.
Materials, robot designs, proof‐of‐concept functions, and biomedical applications of modulus‐switchable miniature robots. Miniature soft robots have shown great potential in biomedical applications due to their excellent controllability and suitable mechanical properties in biological environments.
Chunyun Wei, Yibin Wang, Jiangfan Yu
wiley   +1 more source

Analysis of the Influence of Clutch Drag Torque on the Efficiency of Hydro-mechanical Continuously Variable Transmission

Jixie chuandong, 2022
In order to study the influence of multiple clutches on the transmission efficiency of a hydro-mechanical continuously variable transmission （HMCVT），the structure characteristics of a closed loop consisting of multiple wet friction clutches in the ...
Rong Chai, Mingzhu Zhang, Jianhua Wang, Fang Jia   +3 more
doaj  

Unzipping Dynamics of Long DNAs

, 2002
The two strands of the DNA double helix can be `unzipped' by application of 15 pN force. We analyze the dynamics of unzipping and rezipping, for the case where the molecule ends are separated and re-approached at constant velocity.
A. Sarkar, C. Bustamante, C. Levinthal, D.K. Lubensky, D.K. Lubensky, J. Liphardt, J. Santa Lucia, J.F. Marko, J.F. Marko, J.F. Marko, J.L. Viovy, John F. Marko, K.J. Breslauer, K.L. Sebastian, M. Rief, M. Wang, M. Zuker, P. Nelson, P. Thomen, R.E. Thompson, Rémi Monasson, S. Cocco, S. Cocco, S. Cocco, S.B. Smith, S.M. Bhattacharjee, Simona Cocco, T. Strick, U. Bockelmann, U. Bockelmann, U. Bockelmann, U. Bockelmann, U. Gerland   +32 more
core   +1 more source

Collision‐Resilient Winged Drones Enabled by Tensegrity Structures

Advanced Robotics Research, EarlyView.
Based on structures of birds such as the woodpeck, this article presents the collision‐resilient aerial robot, SWIFT. SWIFT leverages tensegrity structures in the fuselage and wings which allow it to undergo large deformations in a crash, without sustaining damage. Experiments show that SWIFT can reduce impact forces by 70% over conventional structures.
Omar Aloui, Raphael Zufferey, William Stewart, Mohammad Askari, Simon Jeger, Dario Floreano   +5 more
wiley   +1 more source

Impacts of planet migration models on planetary populations. Effects of saturation, cooling and stellar irradiation [PDF]

, 2013
Context: Several recent studies have found that planet migration in adiabatic discs differs significantly from migration in isothermal discs. Depending on the thermodynamic conditions, i.e., the effectiveness of radiative cooling, and the radial surface ...
Alibert, Y., Dittkrist, K. -M., Henning, T., Klahr, H., Mordasini, C.   +4 more
core   +2 more sources

Strong‐Magnetic Flexible Composites for Magnetically Responsive Soft Robots

Advanced Robotics Research, EarlyView.
This perspective provides an overview of the performance mechanisms, preparation methods, and applications of strong magnetic flexible composite materials in soft actuators (such as gripping, movement, and sensing), and further explores current opportunities and challenges.
Wenwen Li, Shuai Liu, Xinyi Wang, Xinglong Gong, Shouhu Xuan   +4 more
wiley   +1 more source

A rational approach to comparing the performance of coaxial and conventional rotors [PDF]

, 2009
The merit, in terms of its efficiency and performance, of the twin, contrarotating coaxial rotor configuration over the more conventional single rotor system has long been a point of contention.
Brown, R.E., Kim, Hyo Wan
core   +1 more source

Hard‐Magnetic Soft Millirobots in Underactuated Systems

Advanced Robotics Research, EarlyView.
This review provides a comprehensive overview of hard‐magnetic soft millirobots in underactuated systems. It examines key advances in structural design, physics‐informed modeling, and control strategies, while highlighting the interplay among these domains.
Qiong Wang, Zixuan Zhang, Bingyan Li, Junkai Wang, Hongcheng Gu   +4 more
wiley   +1 more source

Measurement of the total optical angular momentum transfer in optical tweezers [PDF]

, 2006
We describe a way to determine the total angular momentum, both spin and orbital, transferred to a particle trapped in optical tweezers. As an example an LG02 mode of a laser beam with varying degrees of circular polarisation is used to trap and rotate ...
Heckenberg, Norman R., Knoener, Gregor, Nieminen, Timo A., Parkin, Simon, Rubinsztein-Dunlop, Halina   +4 more
core   +2 more sources

Fold Walker: An Origami‐Inspired Quadruped Robot for Multipattern Locomotion and Object Grasping

Advanced Robotics Research, EarlyView.
This article presents Fold Walker, an origami‐inspired quadruped robot capable of multipattern locomotion and object grasping. With each leg featuring two rotational folds, the robot can transform from a flat 2D configuration into complex 3D poses. Furthermore, its trunk and legs can be one‐shot 3D printed as a unified structure, greatly simplifying ...
Yilun Sun
wiley   +1 more source