Serwis Infona wykorzystuje pliki cookies (ciasteczka). Są to wartości tekstowe, zapamiętywane przez przeglądarkę na urządzeniu użytkownika. Nasz serwis ma dostęp do tych wartości oraz wykorzystuje je do zapamiętania danych dotyczących użytkownika, takich jak np. ustawienia (typu widok ekranu, wybór języka interfejsu), zapamiętanie zalogowania. Korzystanie z serwisu Infona oznacza zgodę na zapis informacji i ich wykorzystanie dla celów korzytania z serwisu. Więcej informacji można znaleźć w Polityce prywatności oraz Regulaminie serwisu. Zamknięcie tego okienka potwierdza zapoznanie się z informacją o plikach cookies, akceptację polityki prywatności i regulaminu oraz sposobu wykorzystywania plików cookies w serwisie. Możesz zmienić ustawienia obsługi cookies w swojej przeglądarce.
Closest Point of Approach (CPA) calculations are fundamental calculations for determining the utility and safety of a candidate maneuver of a marine vessel with respect to another vessel, i.e., contact. In certain kinds of path planning, a set of CPA calculations is made for thousands of candidate maneuvers, perhaps several times per second. Furthermore, with multiple contacts, multiple sets need...
Fish-as-a-Service (FaaS) is a business-to-business model offering monitoring services performed by a biomimetic fishlike drone. FaaS considers environmental, scientific, and business concerns when addressing marine monitoring, providing alternative methodology while preserving ocean resources. The key to FaaS is the ability to provide a low-cost, low-maintenance, high-endurance, agile sensor platform...
A common approach for developing robotic systems leverages separate simulation and control softwares. Although this approach requires minimal coordination and orchestration between softwares, the separation of simulation and control applications presents the designer with unnecessary challenges during development. This paper describes the Autonomous Robot Control and Simulation (ARCS) software, a...
The recognition of places by using visual information in underwater environments is important when performing autonomous robotic exploration of the same area at different periods of time. It helps the robot to know its location and take decisions accordingly. However, vision-based recognition of underwater places can be a very challenging task due to the inherent properties of this kind of places...
Simulation of unmanned underwater vehicles (UUVs) plays an important role in the development of submarine robots. The test of controllers in different simulated scenarios is crucial in order to avoid the lengthy development on the real vehicle. Robot simulators like Gazebo have been extensively used for this purpose, even if off-the-shelf physic engines do not consider one of the main aspects of hydrodynamics:...
The Wave Glider® is a unique wave and solar energy powered Unmanned Surface Vehicle (USV). Development of this technology began in 2005 and in 2007 the company Liquid Robotics was created to bring this product to market. In the ten years since the company was founded the Wave Glider and the entire field of USVs has evolved significantly. Lessons learned revolve around three primary themes: technology,...
In this work, we present a bio-inspired fin prototype as a propulsion system for a submarine robot. We explain the rajiform locomotion, which is intended to be imitated with the movements of the fin. It is also explained how the undulations on the fin allow it to have different behaviors, thus generating thrust in different directions, which in turn generates several types of motion for the fin. Our...
This paper introduces our new AUV HATTORI and scanning sonar based terrain tracking algorithm implemented in the vehicle. The AUV HATTORI (Highly Agile Terrain Tracker for Ocean Research and Investigation) is a lightweight and low-cost testbed designed for rapid and efficient imaging of rugged seafloor, such as coral reefs. Most of current AUVs suitable for seafloor imaging are heavy and expensive,...
Traditional methods of system verification call for the repeated exercise of that system in its intended environment to give confidence that it will operate as designed. Autonomous systems, however, are systems designed for sophisticated operation in stochastic environments that specifically handle the unexpected; testing all possible operational scenarios for such systems is intractably complex....
Marine aquaculture is deeply rooted in Norwegian national economics and traditions, especially in the M⊘re og Romsdal region. This paper presents the development of a novel ROV for aquaculture inspection in marine application to provide first-hand information in fishery nets. The ROV is a part of so called “Sea Farm” project. When the ROV doesnot work, it will be carried by a floating platform. A...
As part of the NEDO robot project, we are engaged in developing a surface/underwater robot system which investigates underwater infrastructure such as dams and river facilities. In this paper, we propose a sailing control method based on “extended kite flying principle” for a moored unmanned surface vehicle (USV) system in running water. We also develop the mooring system and the miniaturized USV...
This paper show how neural networks, configured for regression, can be used to learn the relationships between Inertial Motion Unit (IMU) data collected on a robotic platform and the robot's commanded system state. By learning how the IMU data relates to commanded robot state we can use the neural network to predict what commands have been issued to the robot. By comparing the prediction to the actual...
The following paper describes the design, implementation and preliminary tests of an Unmanned Surface Vessel (USV) robot, able to collect water quality parameters and bathymeter measurements in lakes and bodies of fresh water at the Peruvian highlands. The USV robot is developed in order to be a measurement tool to monitor water pollution and help to improve the current methods used for this task...
Across the globe, the increasing percentage of elderly people is a reason of growing concern among the research fraternity. A lot of research is currently going on in providing these elderly people with a smart environment or smart home that can promote their independence, overall sense of well-being and enable them to lead a better quality of life. The primary objective of this research paper is...
Manipulation of beacons is a method of Human-Swarm Interaction (HSI) of relative ease to implement, especially for computer simulated environments. This paper focuses on doing an in depth analysis of an implementation of attractor and repulsor fields and determining its advantages and disadvantages through experimental means. The results give an optimistic view of the method: the learning curve is...
3D objects classification and retrieval are a growing research topic with many application in different areas, such as robotics, virtual/augmented reality, medicine and physics. In robotics, 3D objects can serve as robust landmarks for pose estimation and localization, so robust 3D object recognition methods are very important tools in this field. Co-occurrence matrices were used for texture classification...
This paper presents a system for classifying images based on Deep Learning and applied in the recognition of traffic signals aiming to increase road safety increased road safety using autonomous and semi-autonomous intelligent robotic vehicles. This Advanced Driver Assistance System (ADAS) is a system created to automate vehicles, but also to help the human drivers to increase safety and the respect...
A big challenge in the precision agriculture is the detection of fruits in coffee crops on agricultural environments. This paper presents a comparison of four features set to detect the red fruits (mature) in Coffee plants. An Unmanned Aerial Vehicle (UAV) is used to obtain high-resolution RGB images of a coffee hall. The proposed methodology enables the extraction of visual features from image regions...
This paper considers the application of finite-time control to a Cucker-Smale flocking model of autonomous agents with collision avoidance. A mathematical expression for the upper bound on the flocking time is derived. Previous results without considering collision avoidance showed that the flocking time decreases as the number of robots in the flock increases, which is counter-intuitive. We showed...
Assembly process complexity in the production of manufactured products has received considerable attention in recent years. With the growing trend towards cyber-physical systems and the fourth industrial revolution, assembly research efforts must aim to develop efficient production systems incorporating robotic arms and flexible fixtures. The aim of the research was to investigate end effector and...
Podaj zakres dat dla filtrowania wyświetlonych wyników. Możesz podać datę początkową, końcową lub obie daty. Daty możesz wpisać ręcznie lub wybrać za pomocą kalendarza.