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Biologically-inspired robots are a very interesting and difficult branch of robotics dues to its very rich dynamical and morphological complexities. Among them, flying animals, such as bats, have been among the most difficult to take…

Robotics · Computer Science 2021-03-31 Andrew Lessieur , Eric Sihite , Pravin Dangol , Akshath Singhal , Alireza Ramezani

The objective of this work is to design and develop a bio-inspired soft and articulated armwing structure which will be an integral component of a morphing aerial co-bot, Aerobat. In our design, we draw inspiration from bats. Bat membranous…

Robotics · Computer Science 2020-10-12 E. Sihite , P. Kelly , A. Ramezani

Flapping wing flight is a challenging dynamical problem and is also a very fascinating subject to study in the field of biomimetic robotics. A Bat, in particular, has a very articulated armwing mechanism with high degrees-of-freedom and…

Robotics · Computer Science 2020-09-30 Eric Sihite , Alireza Ramezani

Flying animals possess highly complex physical characteristics and are capable of performing agile maneuvers using their wings. The flapping wings generate complex wake structures that influence the aerodynamic forces, which can be…

Robotics · Computer Science 2022-07-26 Eric Sihite , Paul Ghanem , Adarsh Salagame , Alireza Ramezani

The 3D flight control of a flapping wing robot is a very challenging problem. The robot stabilizes and controls its pose through the aerodynamic forces acting on the wing membrane which has complex dynamics and it is difficult to develop a…

Robotics · Computer Science 2024-05-10 Bibek Gupta , Yogi Shah , Taoran Liu , Eric Sihite , Alireza Ramezani

Bats' dynamic morphing wings are known to be extremely high-dimensional, and they employ the combination of inertial dynamics and aerodynamics manipulations to showcase extremely agile maneuvers. Bats heavily rely on their highly flexible…

Robotics · Computer Science 2022-05-16 Eric Sihite , Xintao Hu , Bozhen Li , Adarsh Salagame , Paul Ghanem , Alireza Ramezani

This work briefly covers our efforts to stabilize the flight dynamics of Northeastern's tailless bat-inspired micro aerial vehicle, Aerobat. Flapping robots are not new. A plethora of examples is mainly dominated by insect-style design…

Our goal in this work is to expand the theory and practice of robot locomotion by addressing critical challenges associated with the robotic biomimicry of bat aerial locomotion. Bats are known for their pronounced, fast wing articulations,…

Robotics · Computer Science 2021-04-01 Eric Sihite , Atefe Darabi , Pravin Dangol , Andrew Lessieur , Alireza Ramezani

Our goal in this work is to expand the theory and practice of robot locomotion by addressing critical challenges associated with the robotic biomimicry of bat aerial locomotion. Bats wings exhibit fast wing articulation and can mobilize as…

Robotics · Computer Science 2021-03-31 Eric Sihite , Andrew Lessieur , Pravin Dangol , Akshath Singhal , Alireza Ramezani

The large active wing deformation is a significant way to generate high aerodynamic forces required in bat flapping flight. Besides the twisting, the elementary morphing models of a bat wing are proposed, such as wing-bending in the…

Fluid Dynamics · Physics 2015-05-15 Guan Zi-Wu , Yu Yong-Liang

This work presents an actuation framework for a bioinspired flapping drone called Aerobat. This drone, capable of producing dynamically versatile wing conformations, possesses 14 body joints and is tail-less. Therefore, in our robot, unlike…

Robotics · Computer Science 2022-12-13 Alireza Ramezani , Eric Sihite

Natural fliers like bats exploit the complex fluid-structure interaction between their flexible membrane wings and the air with great ease. Yet, replicating and scaling the balance between the structural and fluid-dynamical parameters of…

Fluid Dynamics · Physics 2022-08-23 Alexander Gehrke , Jules Richeux , Esra Uksul , Karen Mulleners

Flapping-wing robots offer significant versatility; however, achieving efficient multi-modal locomotion remains challenging. This paper presents the design, modeling, and experimentation of a novel tailless flapping-wing robot with three…

Robotics · Computer Science 2025-06-19 Zhi Zheng , Xiangyu Xu , Jin Wang , Yikai Chen , Jingyang Huang , Ruixin Wu , Huan Yu , Guodong Lu

We employ a novel computational modeling framework to perform high-fidelity direct numerical simulations of aero-structural interactions in bat-inspired membrane wings. The wing of a bat consists of an elastic membrane supported by a highly…

Fluid Dynamics · Physics 2025-04-09 Sushrut Kumar , Jung-Hee Seo , Rajat Mittal

Accurate estimation of aerodynamic forces is essential for advancing the control, modeling, and design of flapping-wing aerial robots with dynamic morphing capabilities. In this paper, we investigate two distinct methodologies for force…

Robotics · Computer Science 2025-08-06 Bibek Gupta , Mintae Kim , Albert Park , Eric Sihite , Koushil Sreenath , Alireza Ramezani

Flying vertebrates exhibit sophisticated wingbeat kinematics. Their specialized forelimbs allow for the wing morphing motion to couple with the flapping motion during their level flight, Previous flyable bionic platforms have successfully…

Robotics · Computer Science 2022-08-09 Ang Chen , Bifeng Song , Zhihe Wang , Dong Xue , Kang Liu

Worm-inspired robots provide an effective locomotion strategy for constrained environments by combining cyclic body deformation with alternating anchoring. For compliant robots, however, the interaction between deformable anchoring…

Robotics · Computer Science 2026-04-15 Xinyu Zhou , Yu Mei , Faith Thomson , Christian Luedtke , Xinda Qi , Xiaobo Tan

The flight characteristics of bats remarkably have been overlooked in aerial drone designs. Unlike other animals, bats leverage the manipulation of inertial dynamics to exhibit aerial flip turns when they perch. Inspired by this unique…

Robotics · Computer Science 2020-05-13 Alireza Ramezani

Nature suggests that exploiting the elasticities and natural dynamics of robotic systems could increase their locomotion efficiency. Prior work on elastic snake robots supports this hypothesis, but has not fully exploited the nonlinear…

Robotics · Computer Science 2026-05-14 Tristan Ehlert , Arne Sachtler , Annika Schmidt , Davide Calzolari , Alin Albu-Schäffer

Robot designs can take many inspirations from nature, where there are many examples of highly resilient and fault-tolerant locomotion strategies to navigate complex terrains by using multi-functional appendages. For example, Chukar and…

Robotics · Computer Science 2023-11-17 Eric Sihite , Alireza Ramezani , Morteza Gharib
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