unmanned towed self propelled vehicles
MULTIPLE UNMANNED VEHICLES OPERATIONS IN CONFINED AREAS
... Introduction Autonomous unmanned air/land/surface vehicles (UxVs) are playing important roles in many applications, due to their advantages over piloted vehicles Particularly, multiple unmanned vehicle ... UxVs can be categorized into holonomic vehicles and nonholonomic vehicles Our studies are conducted using nonholonomic vehicles, and two kinds of nonholonomic vehicles are applied Figure 1.1 Cooperative ... Nonholonomic Vehicles Nonholonomic constraint is a kind of non-integrable kinematic constraint Most of robot vehicles are nonholonomic, and the vehicles used in this thesis are all nonholonomic vehicles...
Ngày tải lên: 08/09/2015, 15:30
Navigation of unmanned aerial vehicles in GPS denied environments
... Author’s Publications 146 vi Summary This thesis studies the navigation and control of unmanned aerial vehicles (UAVs) in GPS-denied cluttered environments, such as forests Research on modeling ... localization and mapping SVD singular value decomposition TPP tip-path-plane UAV unmanned aerial vehicle UGV unmanned ground vehicle UKF unscented Kalman filter USB universal serial bus WiFi wireless ... landing 2D two-dimensional 3D three-dimensional xv Chapter Introduction 1.1 Introduction Unmanned aerial vehicles (UAVs) are being applied to more applications, such as disaster monitoring, environment...
Ngày tải lên: 09/09/2015, 08:16
Development of intelligent unmanned aerial vehicles with effective sense and avoid capabilities
... undoubted that the latest trend in the unmanned aerial vehicles community is towards the creation of intelligent unmanned aerial vehicles, such as a sophisticated unmanned helicopter equipped with ... and rescue, multi-vehicle cooperative systems [3] [4] and others The rapid development of unmanned aerial vehicles resulted from the significant advancement of micro-electro-mechanical-system (MEMS) ... 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 capability for flying...
Ngày tải lên: 09/09/2015, 08:18
Indoor navigation systems for unmanned aerial vehicles
... and Mapping SVD Singular Value Decomposition TPP Tip-Path-Plane UAS Unmanned Aircraft System UAV Unmanned Aerial Vehicle UGV Unmanned Ground Vehicle xviii UKF Unscented Kalman Filter USB Universal ... Works 183 v Summary This thesis aims to develop an advanced indoor navigation system for unmanned aerial vehicles Two different UAV platforms have been developed as test beds for the study, namely ... Motivation In recent years, the research on advanced indoor navigation systems for miniature unmanned aerial vehicles (UAVs) has aroused worldwide interests because of its great potential in military...
Ngày tải lên: 09/09/2015, 11:15
Design optimization of small scale unmanned air vehicles
... DESIGN OPTIMIZATION OF SMALL-SCALE UNMANNED AIR VEHICLES NG TZE HUI THOMAS (B.Eng (Hons.), NUS) A THESIS SUBMITTED FOR THE DEGREE OF DOCTOR ... conventional airplane is also shrinking with the advent of small-scale unmanned air vehicle (UAV) and palm-sized micro air vehicle (MAV) An unmanned air vehicle, as its name implies, is practically the ... interests in the research development of small-scale UAVs and micro air vehicles or MAVs MAVs belong to a class of flight vehicles that are very much smaller than UAVs The definition employed in...
Ngày tải lên: 14/09/2015, 10:33
VERTICAL REPLENISHMENT BY UNMANNED AERIAL VEHICLES
... endorsement of any kind by the U.S Navy.) The recent advancement of unmanned aerial vehicles (UAVs) however has opened the possibility of using unmanned rotor-crafts for this kind of cargo transportation ... replenishment tasks by an unmanned helicopter, there are several challenges need to address Precision, to deliver the cargos from one ship to another automatically, the unmanned helicopter has ... disturbances to the flight controller of the unmanned helicopter; It further affects the control performances of the helicopter; Uncertainties, a fully automatic unmanned helicopter is required to finish...
Ngày tải lên: 30/09/2015, 09:23
Collision avoidance for unmanned aerial vehicles
... ……………………………………………………………… 96 APPENDIX… ………………………………………………………………… 100 IV Summary SUMMARY Collision avoidance for Unmanned Air Vehicles (UAV) is a necessity if the UAV is to fly in an area whereby the terrain is unknown ... 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 path planning ... review of some of the 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 ground robots...
Ngày tải lên: 03/10/2015, 20:58
Longman English Grammar Practice Intermediate Self Study Edition
Ngày tải lên: 03/10/2012, 15:19
Cambridge University Press Language In Use - Pre-Intermediate - Self-Study Workbook
Ngày tải lên: 05/10/2012, 08:21
Báo cáo y học: "Effects of p-Synephrine alone and in Combination with Selected Bioflavonoids on Resting Metabolism, Blood Pressure, Heart Rate and Self-Reported Mood Changes"
... remaining seated and resting for 45 min., participants completed a second self report rating scale After 75 min., a third and final self report rating scale was completed, and measurements of blood pressure, ... study groups Table depicts the results of the self- report ratings for the 10 symptoms As compared to the placebo group, none of the changes in these 10 self- reported symptoms were statistically significant ... Indirect Calorimeter (Microlife Medical Home Solutions, Golden, CO 80401) The MedGem® is a hand-held, self- calibrating calorimeter that measures oxygen consumption (VO2) to determine resting metabolic...
Ngày tải lên: 25/10/2012, 11:04
Báo cáo y học: " Self-reported sickness absence as a risk marker of future disability pension. Prospective findings from the DWECS/DREAM study 1990-2004"
... identifying disability pension cases 2004 1994 Figure Self- reported sickness absence and future disability pension 1990-2004 Study design Self- reported sickness absence Sickness absence was measured ... abilities of the self- reported item on sickness absence as a marker of future disability pensioning Conclusion The findings of in the present study indicate that the number of self- reported sickness ... environment and changes in self- rated health: a five year follow-up study Stress Med 2000;16:37-47 Ferrie JE, Kivimaki M, Head J, Shipley MJ, Vahtera J, Marmot MG A comparison of self- reported sickness...
Ngày tải lên: 26/10/2012, 10:03
Cynthia's Revels (or The Fountain of Self-Love)
... lost nothing in the telling Obviously Jonson was brave, combative, and not averse to talking of himself and his doings In 1592, Jonson returned from abroad penniless Soon after he married, almost ... Marlowe in an equally miserable death the year before Shakespeare already had the running to himself Jonson appears first in the employment of Philip Henslowe, the exploiter of several troupes ... and had received from the company a refusal; that Shakespeare called him back, read the play himself, and at once accepted it Whether this story is true or not, certain it is that "Every Man in...
Ngày tải lên: 06/11/2012, 14:12
Self-Assembly and Nanotechnology: A Force Balance Approach
... PART I SELF- ASSEMBLY xv UNIFIED APPROACH TO SELF- ASSEMBLY 1.1 Self- Assembly through Force Balance 1.2 General Scheme for the Formation of Self- Assembled Aggregates 1.3 General Scheme for Self- Assembly ... atomic self- assembly molecular self- assembly colloidal (mesoscopic) self- assembly biological self- assembly interfacial self- assembly Figure 1.1 Classification of self- assemblies based on the size/nature ... Interface 6.6 Self- Assembly at the Gas–Solid Interface 6.7 Interface-Induced Chiral Self- Assembly References 125 126 126 127 129 BIO-MIMETIC SELF- ASSEMBLY 7.1 General Picture of Bio-mimetic Self- Assembly...
Ngày tải lên: 15/11/2012, 10:12
