Results 31 to 40 of about 76,054 (305)

Ultrasound-aided pedestrian dead reckoning for indoor navigation [PDF]

, 2008
Ad hoc solutions for tracking and providing navigation support to emergency response teams is an important and safety-critical challenge. We propose a navigation system based on a combination of foot-mounted inertial sensors and ultrasound beacons.
Mike Hazas, Hazas, Mike, Muthukrishnan, Kavitha, Kavitha Muthukrishnan, Hans Gellersen, Carl Fischer, Fischer, Carl, Hazas, Michael, Gellersen, Hans   +8 more
core   +1 more source

The Four Key Challenges of Advanced Multisensor Navigation and Positioning [PDF]

, 2014
The next generation of navigation and positioning systems must provide greater accuracy and reliability in a range of challenging environments to meet the needs of a variety of mission-critical applications.
Martin, H, Jiang, Z, Henry Martin, Groves, PD, Wang, L, Lei Wang, Ziyi Jiang, Walter, D, Voutsis, K, Kimon Voutsis, Debbie Walter, Paul D Groves   +11 more
core   +1 more source

High-Precision Collaborative Relative Navigation Method for Multiple Aircraft Based on Geometric Topology Constraints [PDF]

Hangkong bingqi
Multiple aircraft formation has strong multi operation capability, high reliability and high overall efficiency, which is an important direction for the future development of aviation field.
Lu Kewen, Wang Xinlong, Wang Bin
doaj   +1 more source

Uncooperative Spacecraft Relative Navigation With LIDAR-Based Unscented Kalman Filter

IEEE Access, 2019
Autonomous relative navigation is a critical functionality which needs to be developed to enable safe maneuvers of a servicing spacecraft (chaser) in close-proximity with respect to an uncooperative space target, in the frame of future On-Orbit Servicing
Roberto Opromolla, Alessia Nocerino
doaj   +1 more source

Ship Security Relative Integrated Navigation with Injected Fault Measurement Attack and Unknown Statistical Property Noises

Journal of Marine Science and Engineering, 2020
In this work, the ship relative integrated navigation approaches are studied for the navigation scenarios with the measurements disturbed by unknown statistical property noises and with the injected fault measurement attacks.
Yongjing Wang, Yi Wang, Xiaoliang Feng
doaj   +1 more source

A Comparative Analysis of Multi-Epoch Double-Differenced Pseudorange Observation and Other Dual-Satellite Lunar Global Navigation Systems

Aerospace, 2021
In this study, dual-satellite lunar global navigation systems that consist of a constellation of two navigation satellites providing geo-spatial positioning on the lunar surface were compared.
Toshiki Tanaka, Takuji Ebinuma, Shinichi Nakasuka, Heidar Malki   +3 more
doaj   +1 more source

Relative Navigation in UAV Applications

International Journal of Aviation Science and Technology, 2020
This paper is committed to the relative navigation of Unmanned Aerial Vehicles (UAVs) flying in formation flight. The concept and methods of swarm UAVs technology and architecture have been explained. The relative state estimation models of unmanned aerial vehicles which are based on separate systems as Inertial Navigation Systems (INS)&Global ...
Tuncay Yunus Erkec, Chingiz Hajiyev
openaire   +2 more sources

Model-Based Tracking in a Space-Simulated Environment Using the General Loss Function

Aerospace
The increasing demand for on-orbit servicing (OOS), such as satellite life extension and space debris removal, has highlighted the need for research into precise relative navigation between space objects.
Seongho Lee, Geemoon Noh, Jihoon Park, Hyeonik Kwon, Jaedu Park, Daewoo Lee   +5 more
doaj   +1 more source

Stereo Camera Based Navigation of Mobile Robots on Rough Terrain [PDF]

, 2009
A navigation algorithm for mobile robots in unknown rough terrain has been developed. The algorithm is solely based on stereo images and suitable for wheeled and legged robots.
Chilian, Annett, Hirschmüller, Heiko, Heiko Hirschmuller, Annett Chilian   +3 more
core   +1 more source

The BeiDou Navigation Message [PDF]

, 2013
The article provides an overview of the BeiDou navigation message contents and highlights its specific communalities and differences with respect to other GNSS constellations. Making use of data collected by multi-GNSS monitoring stations of the MGEX and
Steigenberger, Peter, Montenbruck, Oliver   +1 more
core   +1 more source