نتایج جستجو برای: air navigation

تعداد نتایج: 258957  

Journal: :IJCNS 2009
Laleh S. Kalantari Shahram Mohanna Saeed Tavakoli

Multistatic radar systems can be used in many applications such as homeland security, anti-air defense, anti-missile defense, ship’s navigation and traffic control systems. Multistatic radars, which are capable of detecting and tracking flying objects in three-dimension coordinate systems, are simulated in this paper. The location and velocity of flying objects as well as their radar cross sect...

2015
Julien Marzat Julien Moras Aurélien Plyer Alexandre Eudes Pascal Morin

This paper presents vision-based localization, mapping and control solutions for autonomous navigation of a micro-air vehicle (MAV) in GPS-denied environments. The proposed algorithms have been evaluated in the simulation contest of the FP7 project EuRoC (European Robotics Challenges) dedicated to “Plant Servicing and Inspection”, where our team composed of members from ONERA and ISIR-UPMC rank...

2011
Mohamed Rizk Ahmed ElSayed

In this paper we consider the problem of air to ground missile guidance system using fuzzy controller which uses Proportional Navigation and Pure Pursuit methods. The fuzzy controller’s rules are defined using Tabu Search (TS). The missile model is assumed as three degree of freedom (3DOF) (assuming the analysis in the vertical plane only). This paper presents numerical results for applying the...

Journal: :Journal of Air Transport Management 2023

We analyse the problem of split incentives between Air Navigation Service Providers (ANSP) and airlines in adopting disruptive technologies. develop a theoretical model allowing us to uptake technologies based on potential efficiency gains both ANSP airlines. Next, we illustrate this numerically. Our first, intuitive, result is that while regulation navigation fees necessary, it also hinders in...

2011
Ben Yun Guowei Cai Ben M. Chen Kemao Peng Kai Yew Lum

We present in this paper an integration scheme of a low-cost inertial attitude and position reference system for a mini unmanned helicopter by utilizing the robust and H1 filtering technique. The result has been successfully implemented and tested on our mini-scale unmanned helicopter. Simulation and flight experiment results show that the proposed technique is very effective in real-time and s...

2001
Lindsay Kleeman

Robotics research is heavily dependent on fast, accurate, reliable and cheap sensors. Sonar sensing can fulfil these requirements in air and underwater environments. Moreover sonar physics provides robotics researchers with a natural selection capability for landmark detection in navigation problems. This paper presents new sonar results that allow high-speed accurate measurement and classifica...

2016
Jamal Atman Manuel Popp Jan Ruppelt Gert F. Trommer

Micro Air Vehicles (MAVs) equipped with various sensors are able to carry out autonomous flights. However, the self-localization of autonomous agents is mostly dependent on Global Navigation Satellite Systems (GNSS). In order to provide an accurate navigation solution in absence of GNSS signals, this article presents a hybrid sensor. The hybrid sensor is a deep integration of a monocular camera...

2008
Pawel Boguslawski Christopher Gold

This work presents new operators for construction of 3D cell complexes. Each cell in a complex is represented with the Augmented QuadEdge (AQE) data structure. Cells are linked together by the dual structure and form a mesh. This structure stores information about the geometry and topology of a modelled object. Navigation in the mesh is possible using standard AQE operators. A new set of atomic...

1999
Antonio Pascoal Wei Kang

This paper addresses the problem of navigation system design for autonomous aircraft landing. New nonlinear filter structures are introduced to estimate the position of an aircraft with respect to a possibly moving landing site, such as a Naval vessel, based on measurements provided by airborne vision and inertial sensors.. By exploring the geometry of the navigation problem, the navigation fil...

Journal: :Journal of Intelligent and Robotic Systems 2010
Ryan S. Holt Randal W. Beard

This paper describes a new approach for autonomous guidance along a road for an unmanned air vehicle (UAV) using a visual sensor. A road is defined as any continuous, extended, curvilinear feature, which can include city streets, highways, and dirt roads, as well as forest-fire perimeters, shorelines, and fenced borders. To achieve autonomous road-following, this paper utilizes Proportional Nav...

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