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Previous studies on peristalsis, the pumping of fluid along a channel by wave-like displacements of the channel walls, have shown that the elastic properties of the channel and the peristaltic wave shape can influence the flow rate.…

Fluid Dynamics · Physics 2025-08-12 Avery Trevino , Thomas R. Powers , Roberto Zenit , Mauro Rodriguez

Robot navigation technology is required to accomplish difficult tasks in various environments. In navigation, it is necessary to know the information of the external environments and the state of the robot under the environment. On the…

Computer Vision and Pattern Recognition · Computer Science 2018-04-16 Ryoichi Ishikawa , Takeshi Oishi , Katsushi Ikeuchi

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 friction. In the former, centralized coordination is believed to…

Biological Physics · Physics 2023-03-29 Baxi Chong , Juntao He , Shengkai Li , Eva Erickson , Kelimar Diaz , Tianyu Wang , Daniel Soto , Daniel I. Goldman

Socially-aware robotic navigation is essential in environments where humans and robots coexist, ensuring both safety and comfort. However, most existing approaches have been primarily developed for mobile robots, leaving a significant gap…

Robotics · Computer Science 2025-06-18 Caio C. G. Ribeiro , Leonardo R. D. Paes , Douglas G. Macharet

Recent research has shown that motile cells can adapt their mode of propulsion depending on the environment in which they find themselves. One mode is swimming by blebbing or other shape changes, and in this paper we analyze a class of…

Fluid Dynamics · Physics 2016-10-10 Qixuan Wang , Hans G. Othmer

One of the challenges of full autonomy is to have a robot capable of manipulating its current environment to achieve another environment configuration. This paper is a step towards this challenge, focusing on the visual understanding of the…

Robotics · Computer Science 2020-11-24 Guilherme Maeda , Joni Väätäinen , Hironori Yoshida

Miniature underwater robots play a crucial role in the exploration and development of marine resources, particularly in confined spaces and high-pressure deep-sea environments. This study presents the design, optimization, and performance…

Robotics · Computer Science 2025-01-10 Chongjie Jiang , Yingying Dai , Jinyang Le , Xiaomeng Chen , Yu Xie , Wei Zhou , Fuzhou Niu , Ying Li , Tao Luo

Due to the enormous technological improvements obtained in the last decades it is possible to use robotic vehicles for underwater exploration. This work describes the development of a dynamic positioning system for remotely operated…

Research on untethered micro-swimming robots is growing fast owing to their potential impact on minimally invasive medical procedures. Candidate propulsion mechanisms of robots are based on flagellar mechanisms of microorganisms such as…

Fluid Dynamics · Physics 2017-10-20 Ahmet Fatih Tabak , Serhat Yesilyurt

Obtaining dynamic models of continuum soft robots is central to the analysis and control of soft robots, and researchers have devoted much attention to the challenge of proposing both data-driven and first-principle solutions. Both avenues…

Robotics · Computer Science 2025-02-21 Ricardo Valadas , Maximilian Stölzle , Jingyue Liu , Cosimo Della Santina

Autonomous mobile robots need to perceive the environments with their onboard sensors (e.g., LiDARs and RGB cameras) and then make appropriate navigation decisions. In order to navigate human-inhabited public spaces, such a navigation task…

Robotics · Computer Science 2023-09-25 Bhabaranjan Panigrahi , Amir Hossain Raj , Mohammad Nazeri , Xuesu Xiao

Designing intelligent microrobots that can autonomously navigate and perform instructed routines in blood vessels, a complex and crowded environment with obstacles including dense cells, different flow patterns and diverse vascular…

Soft Condensed Matter · Physics 2021-03-25 Yuguang Yang , Michael A. Bevan , Bo Li

Fishes, cetaceans, and many other aquatic vertebrates undulate their bodies to propel themselves through water. Swimming requires an intricate interplay between sensing the environment, making decisions, controlling internal dynamics, and…

Fluid Dynamics · Physics 2026-01-26 L. fu , S. Israilov , J. Sanchez Rodriguez , C. Brouzet , G. Allibert , C. Raufaste , M. Argentina

Navigation is an essential ability for mobile agents to be completely autonomous and able to perform complex actions. However, the problem of navigation for agents with limited (or no) perception of the world, or devoid of a fully defined…

Robotics · Computer Science 2020-11-30 Danilo Perico , Paulo E. Santos , Reinaldo Bianchi

Microplastics, defined as plastic particles smaller than 5 millimeters, have become a pervasive environmental contaminant that accumulates on beaches due to wind patterns and tidal forcing. Detecting microplastics and mapping their…

Robotics · Computer Science 2025-08-06 Hassan Iqbal , Kobiny Rex , Joseph Shirley , Carlos Baiz , Christian Claudel

Navigation and trajectorial estimation of maritime vessels are contingent upon the context of positional accuracy. Even the smallest deviations in the estimation of a given vessel may result in detrimental consequences in terms of economic…

Systems and Control · Electrical Eng. & Systems 2024-04-09 Atilla Alpay Nalcaci , Fidan Mehmeti , Wolfgang Kellerer , Florian Schiegg

Moving in complex environments is an essential capability of intelligent mobile robots. Decades of research and engineering have been dedicated to developing sophisticated navigation systems to move mobile robots from one point to another.…

Robotics · Computer Science 2022-03-01 Xuesu Xiao , Bo Liu , Garrett Warnell , Peter Stone

This paper introduces mathematical models of \sensors\ for mobile robots based on visibility. Serving a purpose similar to the pinhole camera model for computer vision, the introduced models are expected to provide a useful, idealized…

Robotics · Computer Science 2023-01-24 Kshitij Tiwari , Basak Sakcak , Prasanna Routray , Manivannan M. , Steven M. LaValle

This work tackles scene understanding for outdoor robotic navigation, solely relying on images captured by an on-board camera. Conventional visual scene understanding interprets the environment based on specific descriptive categories.…

Robotics · Computer Science 2022-02-07 Galadrielle Humblot-Renaux , Letizia Marchegiani , Thomas B. Moeslund , Rikke Gade

Microorganisms such as algae and bacteria move in a viscous environment with extremely low Reynolds ($Re$), where the viscous drag dominates the inertial forces. They have adapted to this environment by developing specialized features such…

Robotics · Computer Science 2024-12-10 Nnamdi Chikere , Yasemin Ozkan-Aydin