Article
Engineering, Aerospace
Bo Lei, Ming Zhang, Hanyu Lin, Hong Nie
Summary: This study establishes geometric topological models and dynamic models for landing legs with single air chamber in the buffer structure of the reusable landing vehicle and validates the accuracy of the dynamic model. The effect of hard point positions on the landing system performance is analyzed, and an optimization algorithm is used to improve the design parameters. The optimization results show a reduction in maximum landing impact acceleration response and buffer structure maximum force, as well as an increase in design margin.
CHINESE JOURNAL OF AERONAUTICS
(2022)
Review
Engineering, Aerospace
Long Xin, Zimu Tang, Weiqi Gai, Haobo Liu
Summary: This paper summarizes the research results in the field of vision-based autonomous landing for UAVs, categorizing them into static, dynamic, and complex scenarios. The key technologies are summarized, compared, and future development trends are pointed out.
Article
Engineering, Aerospace
Sergei Semakov, Ivan Semakov
Summary: This paper proposes a method for calculating the probability of a safe landing for ship-based aircraft, and the example calculation results show that the proposed formula can almost accurately determine the desired probability.
IEEE TRANSACTIONS ON AEROSPACE AND ELECTRONIC SYSTEMS
(2022)
Article
Computer Science, Artificial Intelligence
Mai Ha Vu, Rahmad Akbar, Philippe A. Robert, Bartlomiej Swiatczak, Geir Kjetil Sandve, Victor Greiff, Dag Trygve Truslew Haug
Summary: Language models trained on proteins can predict functions from sequences but lack insight into underlying mechanisms. Extracting rules from these models can make them interpretable and help explain biological mechanisms.
NATURE MACHINE INTELLIGENCE
(2023)
Article
Computer Science, Software Engineering
Arthur E. Balbao, Marcelo Walter
Summary: This article introduces a new technique for simulating the process of hair graying and thinning in digital models. The technique is biologically inspired and can produce real-time results that resemble actual hair aging. It supports a variety of ethnicities and hair lengths.
ACM TRANSACTIONS ON GRAPHICS
(2022)
Article
Chemistry, Analytical
Alvika Gautam, Mandeep Singh, Pedda Baliyarasimhuni Sujit, Srikanth Saripalli
Summary: This paper presents a vision-based guidance technique with a log polynomial closing velocity controller for autonomous landing on a moving target. Through simulations and field experiments, the approach is shown to achieve faster and more accurate landings compared to traditional methods. The success rate for landing on a moving target was 22 out of 27 attempts, with the maximum error magnitude being 35 cm from the landing target center.
Article
Robotics
Hongqiang Wang, Peter York, Yufeng Chen, Sheila Russo, Tommaso Ranzani, Conor Walsh, Robert J. Wood
Summary: Millimeter-sized electrostatic film actuators, inspired by the efficient spatial arrangement of insect muscles, achieve a muscle-like power density and enable robotic applications in confined spaces. These actuators have a hierarchical structure and are composed primarily of flexible materials, allowing them to be designed for a wide range of manipulation and locomotion tasks while being robust and compact. These actuators are expected to have widespread use in soft robots, medical robots, wearable robots, and miniature autonomous systems.
INTERNATIONAL JOURNAL OF ROBOTICS RESEARCH
(2021)
Article
Computer Science, Artificial Intelligence
Federico Bertoni, Giovanna Citti, Alessandro Sarti
Summary: This paper introduces a biologically inspired Convolutional Neural Network (CNN) architecture called LGN-CNN, with a first convolutional layer mimicking the role of the Lateral Geniculate Nucleus (LGN) and showing a rotational symmetric pattern. The network demonstrates rotation invariance in the first layer, contrast invariance capability, and compares the Retinex effects with a LoG. Statistical study on the filters of the second convolutional layer is done based on biological data, showing similar behavior to the RFPs of LGN and V1 cells.
Review
Computer Science, Interdisciplinary Applications
Simrandeep Singh, Nitin Mittal, Diksha Thakur, Harbinder Singh, Diego Oliva, Anton Demin
Summary: Image processing is a significant area of growth in the current scenario, with segmentation being a key step, where multilevel thresholding methods play an important role, and various optimization techniques can enhance the performance of image processing.
ARCHIVES OF COMPUTATIONAL METHODS IN ENGINEERING
(2022)
Article
Engineering, Environmental
Yuxuan Wu, Wenhui Wang, Junshuo Zhang, Min Sang, Yunqi Xu, Jianyu Zhou, Sheng Wang, Yibing Cai, Shouhu Xuan, Xinglong Gong
Summary: Thermophiles can survive in high-temperature environments due to their proteins' hydrophobic and electrostatic interactions. Inspired by this mechanism, a novel MOF-801 based shear thickening fluid (STF) with improved performance at high temperatures has been developed, replacing hydrogen bonds with hydrophobic and electrostatic interactions.
CHEMICAL ENGINEERING JOURNAL
(2022)
Article
Robotics
Doyoung Kim, Sanghyuk Park
Summary: This paper presents a guidance and control method for vision-assisted deep stall landing of a fixed-wing UAV, allowing it to land in a confined area. The method combines vision-assisted guidance and deep stall maneuvers for intuitive operation. The feasibility of the method is demonstrated through a series of flight tests.
JOURNAL OF FIELD ROBOTICS
(2022)
Review
Chemistry, Multidisciplinary
Aston C. Pearcy, James D. Crowley
Summary: This article outlines the use of metallosupramolecular structures to mimic the properties of biological enzymes and machines.
CHEMISTRY-A EUROPEAN JOURNAL
(2023)
Article
Engineering, Aerospace
Miguel Saavedra-Ruiz, Ana Maria Pinto-Vargas, Victor Romero-Cano
Summary: This article presents the development of a monocular visual system that autonomously and efficiently lands a quadcopter drone on a predefined landing pad. Simulations are used to ensure the soundness and safety of the design before physical implementation.
IEEE AEROSPACE AND ELECTRONIC SYSTEMS MAGAZINE
(2022)
Article
Computer Science, Information Systems
Zijian Ge, Jingjing Jiang, Ewan Pugh, Ben Marshall, Yunda Yan, Liang Sun
Summary: A reliable vision-based landing strategy is proposed for UAV autonomous landing in adverse environments. This strategy allows the UAV to achieve accurate landing even in challenging ground effects and strong gusts, ensuring robustness against external disturbances.
Article
Green & Sustainable Science & Technology
Teddy Lazebnik, Tzach Fleischer, Amit Yaniv-Rosenfeld
Summary: Data-driven economic tasks have gained attention for better decision-making and policy design. Machine learning and artificial intelligence have made it possible to solve complex economic tasks with unprecedented performance. However, expertise in ML or AI is not standard in economics, and automatic machine learning (AutoML) models are developed to bridge this gap. This paper presents a benchmarking study of different AutoML techniques for economic tasks and finds that biologically inspired AutoML models slightly outperformed non-biological AutoML, demonstrating the potential to improve economic understanding while reducing the analysis burden on economists.
Article
Biology
Mostafa R. A. Nabawy, William J. Crowther
JOURNAL OF THEORETICAL BIOLOGY
(2016)
Article
Computer Science, Cybernetics
Jason Hochreiter, Salam Daher, Arjun Nagendran, Laura Gonzalez, Greg Welch
PRESENCE-TELEOPERATORS AND VIRTUAL ENVIRONMENTS
(2016)
Article
Multidisciplinary Sciences
Mostafa R. A. Nabawy, William J. Crowther
JOURNAL OF THE ROYAL SOCIETY INTERFACE
(2017)
Article
Multidisciplinary Sciences
Mostafa R. A. Nabawy, Girupakaran Sivalingam, Russell J. Garwood, William J. Crowther, William I. Sellers
SCIENTIFIC REPORTS
(2018)
Article
Engineering, Aerospace
Clyde Warsop, William J. Crowther
Article
Robotics
Vishnu Arun Kumar Thumatty Rajan, Arjun Nagendran, Abbas Dehghani-Sanij, Robert C. Richardson
Article
Multidisciplinary Sciences
Ben Parslew, Girupakaran Sivalingam, William Crowther
ROYAL SOCIETY OPEN SCIENCE
(2018)
Article
Computer Science, Information Systems
Thomas R. Shearwood, Mostafa R. A. Nabawy, William J. Crowther, Clyde Warsop
Summary: This paper presents a novel control allocation method that allows conformal trailing-edge controls to generate yawing moments with no coupling, simplifying the required control suite. It demonstrates the method through modelling a coordinated roll manoeuvre of a tailless aircraft using trailing-edge flaps for yaw control only. Results show that a coordinated rolling manoeuvre can be achieved with a reduced control deflection compared to non-conformal controls.
Proceedings Paper
Engineering, Mechanical
Samuel J. C. Knox, Verdon J. Crann, Peyman Amiri, William J. Crowther
Summary: A framework for distributed control of rotary wing aerial robots is proposed, aiming to evaluate novel rules for safe intersection of high-density aerial traffic flows. The framework utilizes open-source flight controller firmware and commercial hardware, with communication via WiFi. Evaluation results show that the framework is scalable and has practical engineering applications.
2022 7TH INTERNATIONAL CONFERENCE ON MECHANICAL ENGINEERING AND ROBOTICS RESEARCH, ICMERR
(2022)
Review
Multidisciplinary Sciences
Paul Broadley, Mostafa R. A. Nabawy, Mark K. Quinn, William J. Crowther
Summary: This paper provides a comprehensive review of dynamic experimental rigs used for studying insect wing aerodynamics, aiming to facilitate comparison of existing data and provide insights for the design of new rigs. With a consistent set of parameters, the experimental methods are characterized and different approaches are objectively compared. A detailed catalogue is presented for the tested flow conditions, wing morphologies, and kinematics. The mechanical design considerations of the rigs and the aerodynamic measurements obtained from them are discussed.
JOURNAL OF THE ROYAL SOCIETY INTERFACE
(2022)
Article
Engineering, Multidisciplinary
Khristopher Kabbabe Poleo, William J. Crowther, Mike Barnes
Summary: The use of drones for infrastructure inspection has become routine due to its benefits of reducing risk and costs. Research shows that replacing rope-access inspection with drones can significantly reduce operational costs and decrease revenue lost due to downtime compared to traditional methods.
RESULTS IN ENGINEERING
(2021)
Article
Engineering, Aerospace
Thomas R. Shearwood, Mostafa R. A. Nabawy, William J. Crowther, Clyde Warsop
Meeting Abstract
Zoology
B. Parslew, G. Sivalingam, W. Crowther
INTEGRATIVE AND COMPARATIVE BIOLOGY
(2018)
Article
Robotics
Kangsoo Kim, Arjun Nagendran, Jeremy N. Bailenson, Andrew Raij, Gerd Bruder, Myungho Lee, Ryan Schubert, Xin Yan, Gregory F. Welch
FRONTIERS IN ROBOTICS AND AI
(2017)
Article
Engineering, Aerospace
Noorfazreena Kamaruddin, Jonathan Potts, William Crowther
AIRCRAFT ENGINEERING AND AEROSPACE TECHNOLOGY
(2018)
