Aircraft dynamic navigation 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

... 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

... 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

... 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

... 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

... 100 of heat engines are shown with the step of in Figures 7-9 Table lists optimization results of the key parameters of the multistage endoreversible heat engine system with the radiative heat ... Wi of each stage heat engine versus the stage i for Newtonian heat transfer law (fixed T1 f ) Table Optimization results of the key parameters of the multistag...

Ngày tải lên: 05/09/2013, 15:28

... Class27K0A – DepartmentOf Information Technology Dormitory 204.B5 18:20 PM April 7, 2006 PHP programming dynamic web for ewreybody 21 Fatal errors in programming with PHP – Collect from writting ... { PHP programming dynamic web for ewreybody 21 Fatal errors in programming with PHP – Collect from writting of Sterling Hughes return strlen ($str); } ?> Lại có số ngườ...

Ngày tải lên: 17/10/2013, 10:15

... Class27K0A – DepartmentOf Information Technology Dormitory 204.B5 18:20 PM April 7, 2006 PHP programming dynamic web for ewreybody 21 Fatal errors in programming with PHP – Collect from writting ... { PHP programming dynamic web for ewreybody 21 Fatal errors in programming with PHP – Collect from writting of Sterling Hughes return strlen ($str); } ?> Lại có số...

Ngày tải lên: 13/12/2013, 02:16

... Dynamic programming turns out to be a great fit for early updating (see Section 4.3 for details) Dynamic Programming (DP) 3.1 Merging Equivalent States The key observation for dynamic programming ... 02-21 for training, 22 for development, and 23 for testing Both DP and non-DP parsers use the same feature templates in Table For Secs 4.1-4.2, we use a baseline model trained...

Ngày tải lên: 17/03/2014, 00:20

... predefined set of syntactic features The output matrix is used to guide the alignment Starting from the bottom right entry of the matrix, we go to the matrix entry from which the value of the current ... scores to lexically matched words according to their syntactic similarity And the decision of whether to align a pair of words is based on such syntax sco...

Ngày tải lên: 31/03/2014, 01:20