نتایج جستجو برای: unmanned aerial vehicles

تعداد نتایج: 86636  

2016
Jesus Conesa João Valente Jaime del Cerro Antonio Barrientos Angela Ribeiro

Many environmental incidents affect large areas, often in rough terrain constrained by natural obstacles, which makes intervention difficult. New technologies, such as unmanned aerial vehicles, may help address this issue due to their suitability to reach and easily cover large areas. Thus, unmanned aerial vehicles may be used to inspect the terrain and make a first assessment of the affected a...

2014
Nilesh Kumar Sheilza Jain

This paper presents a method to control height and speed of fixed wing unmanned aerial vehicles (UAVs) using MATLAB platform. The mathematical dynamic model of Six Degrees of Freedom (6-DOF) aircraft is nonlinear and it is linearized about a flight condition. System is divided into two Multi Input Multi Output (MIMO) sub models. First model controls the longitudinal dynamics and second model is...

2004
Dongqing Shi Majura F. Selekwa Emmanuel G. Collins Carl A. Moore

There are many aerial missions in hostile urban and indoor environments where human intervention is considered difficult or dangerous. Accomplishment of such missions require use of unmanned autonomous aerial vehicles (UAV). Unmanned air vehicles for such missions must be equipped with a fully autonomous navigation system. Many methods that have been proposed for navigation of autonomous system...

Journal: :The International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences 2013

2017
Brett E. Barkley Derek A. Paley Robert M. Sanner

Title of Thesis: Multi-target Detection, Tracking, and Data Association on Road Networks Using Unmanned Aerial Vehicles Brett E. Barkley, Master of Science, 2017 Thesis directed by: Professor Derek A. Paley Department of Aerospace Engineering A cooperative detection and tracking algorithm for multiple targets constrained to a road network is presented for fixed-wing Unmanned Air Vehicles (UAVs)...

2004
R. MADHAVAN T. HONG E. MESSINA

8 Abstract. An iterative temporal registration algorithm is presented in this article for registering 9 3D range images obtained from unmanned ground and aerial vehicles traversing unstructured 10 environments. We are primarily motivated by the development of 3D registration algorithms to 11 overcome both the unavailability and unreliability of Global Positioning System (GPS) within 12 required...

Journal: :Human factors 2010
Mary L. Cummings Andrew S. Clare Christin Hart

OBJECTIVE This study examined the impact of increasing automation replanning rates on operator performance and workload when supervising a decentralized network of heterogeneous unmanned vehicles. BACKGROUND Futuristic unmanned vehicles systems will invert the operator-to-vehicle ratio so that one operator can control multiple dissimilar vehicles connected through a decentralized network. Sig...

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