Indoor navigation systems for unmanned aerial vehicles

... advanced indoor navigation systems for miniature unmanned aerial vehicles (UAVs) has aroused worldwide interests because of its great potential in military and civil applications [58, 67] Indoor navigation ... This thesis aims to develop an advanced indoor navigation system for unmanned aerial vehicles Two different UAV platforms have been developed as test beds...

Ngày tải lên: 09/09/2015, 11:15

... work done for collision avoidance algorithms and sensors that are implemented on flight platforms on unmanned aerial vehicles There have been a substantial amount of research on collision avoidance ... related work will be discussed Before moving to collision avoidance in aerial vehicles, a study of the collision avoidance algorithms that have been developed for g...

Ngày tải lên: 03/10/2015, 20:58

... performing system Finally, Section gives some information about the performance of all those different systems, when used separately, and cooperatively BASIC INDOOR MOBILE POSITIONING WITH WIFI ... rotation of the mobile: ˙ θ − = θk−1 − θk · ΔT, Ts2 ⎢ +⎢ ⎣ k − Pk = Q + Pk−1 , COOPERATION BETWEEN INS NAVIGATION AND WIFI POSITIONING SYSTEMS Combination of GPS and inert...

Ngày tải lên: 22/06/2014, 23:20

... acceleration of gravity h NED frame altitude Jxx rolling moment of inertia Jyy pitching moment of inertia Jzz yawing moment of inertia KI integral gains of the embedded controller KP proportional gains of ... points [8], uniform subsampling of all the points [77], random sampling of the points [52], or using points with high intensities plus illumination information [83] Using...

Ngày tải lên: 09/09/2015, 08:16

... oleo-pneumatic landing gears This technical paper has focused for conceptual layout design of oleo-pneumatic type shock absorber for both the main landing gears and the nose landing gear The oleo-pneumatic ... section we will discuss a case study of landing gear layout for following given dimensions Table -1: Landing gear layout case study parameters 3.3 Nose la...

Ngày tải lên: 08/08/2014, 13:20

... density Lithium Polymer batteries and more efficient and compact actuators, thus resulting in the rapid development of unmanned aerial vehicles The vertical take-off and landing (VTOL) crafts due their ... creation of intelligent unmanned aerial vehicles, such as a sophisticated unmanned helicopter equipped with a vision enhanced navigation system [6], [7], [8] Uti...

Ngày tải lên: 09/09/2015, 08:18

... the vertical replenishment vii List of Figures 1.1 Vertical replenishment by U.S Navy (Use of released U.S Navy imagery does not constitute product or organizational endorsement of any kind by ... 1.2 NUS2 TLion developed by NUS UAV Group 2.1 Aerial robots developed by NUS Unmanned Aerial Vehicle Research Group 2.2 Hardware configuration ... 1.1: Vertical replenishm...

Ngày tải lên: 30/09/2015, 09:23

... layout map matrix adequate for our simulation environment The walls are depicted in black, not easily reachable forest area is marked with dark gray, and flowerbed areas are drawn in light gray ... Kaiser, P Robertson, M Angermann, A three dimensional movement model for pedestrian navigation, in European Navigation Conference–Global Navigation Satellite Systems 2009 (ENC-GNSS 200...

Ngày tải lên: 21/06/2014, 01:20

... relevant channel state information is instantaneously and perfectly available at each AP and user Also, ideal Shannon-rate coding has been assumed, that is, the impact of real-world coding and ... the floor of the network area and shadow fading realizations for the links to all the APs We assign a user to the AP with maximum average SNR, accounting for distancebased path loss and s...

Ngày tải lên: 21/06/2014, 19:20

... environments Some examples of SLAM applied to aerial vehicles can be found in [5–7] There also exist other kinds of terrain navigation methods which are not based on aerial images but on terrain elevation ... part by the National Aeronautics Research Program NFFP04-S4202, the Swedish Foundation for Strategic Research (SSF) Strategic Research Center MOVIII, the Swedish Research C...

Ngày tải lên: 21/06/2014, 20:20

... Editor-in-Chief of EURASIP Journal of Embedded Systems, for the opportunity to publish this special issue dedicated to intelligent vehicles They also thank the editorial staff for their continuous support, ... paradigm has a significant potential to be embraced by the commercial sector Embedded localization and communication system designed for intelligent guided transports Int...

Ngày tải lên: 22/06/2014, 19:20

... channel In addition, w e only pay attention to uniform antenna arrays in this section, that is, all an tennas are aligned and equally separated in the tran sm it and receive antenna arrays 8 2.2.1 ... create b aseb and signal and m odulation type to be applied in the tran sm itter and to receive reco vered data signal for channel capacity co m p u tin g (figure 19) Both b aseb an...

Ngày tải lên: 25/03/2015, 11:04

... Error for Each Trial (Route 1) 72 Table 3-6: Average Error for Each Trial (Route 2) 72 Table 3-7: Average (Avg) Error for Each Trial (Route 1) 82 Table 3-8: Average Error for Each ... Based on the Wi-Fi signalling, two types of algorithms, namely nontraining-based algorithms and training-based algorithms are proposed Nontraining-based algorithms adopt geometric trilateration .....

Ngày tải lên: 09/09/2015, 11:09

... SUPER RESOLUTION ALGORITHMS FOR INDOOR POSITIONING SYSTEMS G M ROSHAN INDIKA GODALIYADDA ( B Sc in Electrical and Electronic Engineering, University of Peradeniya) A THESIS SUBMITTED FOR ... on providing positioning solutions to TOA estimation systems operating under LoS conditions Therefore our work focused on the next step in terms of super resolution algorithms f...

Ngày tải lên: 11/09/2015, 10:18

... goal of controlling small- scale UAV helicopter: fully autonomy with the human-intelligence level CHAPTER 1.3 Small- scale UAV Helicopter Research in NUS The research on small- scale UAV helicopters ... smaller, lighter, and cheaper than before As such, the development of small- scale UAV helicopters becomes much more popular than CHAPTER ever Compared with its full -sca...

Ngày tải lên: 14/09/2015, 14:13