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Ting Jin, Guohua Kang, Jian Cai, Shaoxia Jia, Jinghua Yang, Xinghua Zhang, Zhenhua Zhang, Long Li and Fangfang Liu
For a novel disturbance-free payload (DFP) spacecraft, it is difficult to isolate the low-frequency disturbances owing to the umbilical cables, which decreases the pointing accuracy and stability of the payload. In this research, an improved DFP spacecra...
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Ting Jin, Guohua Kang, Jian Cai, Shaoxia Jia, Jinghua Yang, Xinghua Zhang, Zhenhua Zhang, Long Li and Fangfang Liu
The low-frequency disturbances transmitted by flexible cables are difficult to be attenuated for a novel disturbance-free payload spacecraft, which decreases the payload?s pointing accuracy and stability. In this research, a new spacecraft configuration ...
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Yifan Deng, Jiaxing Zhou, Xiang Chen, Youxin Yao and Qixuan Huang
High-precision collaborative observation is urgently needed due to the increasing demands of space science missions. Based on a conventional DFP (disturbance-free-payload) configuration, this paper presents a novel DFP that has great potential to deal wi...
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Mohammad Sadeq Ale Isaac, Marco Andrés Luna, Ahmed Refaat Ragab, Mohammad Mehdi Ale Eshagh Khoeini, Rupal Kalra, Pascual Campoy, Pablo Flores Peña and Martin Molina
Unmanned aerial vehicles (UAVs) have drawn significant attention from researchers over the last decade due to their wide range of possible uses. Carrying massive payloads concurrent with light UAVs has broadened the aeronautics context, which is feasible...
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Yutao Jing, Adam Mirza, Rifat Sipahi and Jose Martinez-Lorenzo
In this study, a sliding mode surface controller (SMC) designed for a quadcopter is experimentally tested. The SMC was combined with disturbance observers in six degrees of freedom of the quadcopter to effectively reject external disturbances. While resp...
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John H. Eiler, Thomas M. Grothues, Joseph A. Dobarro and Rahul Shome
Using autonomous underwater vehicles equipped with telemetry-based payload control to locate marine fish tagged with acoustic transmitters.
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Péter Bauer and Mihály Nagy
Research and industrial application can require custom high-level controllers for industrial drones. Thus, this paper presents the high-fidelity dynamic and control model identification of the DJI M600 Pro hexacopter. This is a widely used multicopter in...
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Lifen Hu, Ming Zhang, Zhi-Ming Yuan, Hongxia Zheng and Wenbin Lv
Floating structures have become a major part of offshore structure communities as offshore engineering moves from shallow waters to deeper ones. Floating installation ships or platforms are widely used in these engineering operations. Unexpected wave-ind...
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Fethi Candan, Omer Faruk Dik, Tufan Kumbasar, Mahdi Mahfouf and Lyudmila Mihaylova
This study presents the design and real-time applications of an Interval Type-2 Fuzzy PID (IT2-FPID) control system on an unmanned aerial vehicle (UAV) with a flexible cable-connected payload in comparison to the PID and Type-1 Fuzzy PID (T1-FPID) counte...
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Nuno M. B. Matos and Andre C. Marta
A coupled aerostructural aircraft design and trajectory optimization framework is developed for the Air Cargo Challenge competition to maximize the expected score based on cargo carried, altitude achieved and distance traveled. Its modular architecture m...
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Maik Basso, Iulisloi Zacarias, Carlos Eduardo Tussi Leite, Haijun Wang and Edison Pignaton de Freitas
In many incidents involving amateur drones (ADr), the big challenge is to quickly deploy a surveillance system that countermeasures the threat and keeps track of the intruders. Depending on the area under concern, launching a single surveillance drone (S...
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Maik Basso, Iulisloi Zacarias, Carlos Eduardo Tussi Leite, Haijun Wang and Edison Pignaton de Freitas
In many incidents involving amateur drones (ADr), the big challenge is to quickly deploy a surveillance system that countermeasures the threat and keeps track of the intruders. Depending on the area under concern, launching a single surveillance drone (S...
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Denis Kotarski, Petar Piljek, Marko Pranjic and Josip Kasac
This paper presents a novel concept of a modular multirotor aerial robotic platform that can be used for specific profiles of heavy payload missions. A comprehensive mathematical model of the multirotor unmanned aerial vehicle (UAV) is presented, which i...
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Dmitry Nikushchenko, Andrey Maevskiy, Igor Kozhemyakin, Vladimir Ryzhov, Alexander Bondar, Artem Goreliy, Ivan Pechaiko and Ekaterina Nikitina
Artificial Intelligence (hereinafter referred to as AI) systems have recently found great application and use in various industries, such as data processing, data analysis, and the operation control of marine robotic complexes, etc. In view of the ever-i...
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He Ma, Weichao Chi, Caihua Wang and Jia Luo
Vibration isolation mechanisms are usually installed on spacecraft between the vibration sources and the payload to ensure that precision instruments work properly. This paper proposes a novel maglev Stewart platform for vibration isolation in a microgra...
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Isaac Segovia Ramírez, Pedro José Bernalte Sánchez, Mayorkinos Papaelias and Fausto Pedro García Márquez
Submarine inspections and surveys require underwater vehicles to operate in deep waters efficiently, safely and reliably. Autonomous Underwater Vehicles employing advanced navigation and control systems present several advantages. Robust control algorith...
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Yu Cai, Zhenyu Gao, Imon Chakraborty, Simon Briceno and Dimitri Mavris
Active Flow Control is at present an area of considerable research, with multiple potential aircraft applications. While the majority of research has focused on the performance of the actuators themselves, a system-level perspective is necessary to asses...
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Yu Cai, Zhenyu Gao, Imon Chakraborty, Simon Briceno and Dimitri Mavris
Active Flow Control is at present an area of considerable research, with multiple potential aircraft applications. While the majority of research has focused on the performance of the actuators themselves, a system-level perspective is necessary to asses...
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Jasmine Rimani, Giordana Bucchioni, Andrea Dan Ryals, Nicole Viola and Stéphanie Lizy-Destrez
The lunar lava tubes are envisioned as possible hosting structures for a human base in the Moon?s equatorial regions, providing shelter from radiations, micrometeoroids, and temperature excursion. A first robotic mission is set to scout the habitability ...
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Charalampos Papadopoulos, Dimitrios Mitridis and Kyros Yakinthos
In this study, the conceptual design of an unmanned ground effect vehicle (UGEV), based on in-house analytical tools and CFD calculations, followed by flow control studies, is presented. Ground effect vehicles can operate, in a more efficient way, over c...
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