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POS is an international journal dedicated to the advancement of the study of navigation and positioning. The goal of this journal is to provide a platform for scientists and academicians all over the world to promote, share, and discuss various new issues and developments in different areas of navigation and positioni…
Aderemi Adediji, Matthew Olomolatan Ibitoye
This study examined the development of urban gullies in a part of Southwestern Nigeria. This was done with a view to determine the volume and amount of sediment loss from the 1 st and 2 nd order gullies in a cascade system. Twenty (20) towns were randomly sel…
Do Alexis Sanou, René Jr. Landry
Global Navigation Satellite System (GNSS) technology is growing fast in our society and new applications are being introduced at an unprecedented pace. The GNSS products provide worldwide and real-time services using precise tim ing information, positioning a…
Jafar Keighobadi, Khadijeh Alioghli Fazeli, Mohammad Sadeghi Shahidi
Tracking precision of pre-planned trajectories is essential for an auto-guided vehicle (AGV). The purpose of this paper is to design a self-constructing wavelet neural network (SCWNN) method for dynamical modeling and control of a 2-DOF AGV. In control system…
Jafar Keighobadi, Mohammad Sadeghi Shahidi, Abazar Nezafat Khajeh, Khadijeh Alioghli Fazeli
The aim of the paper is trajectory tracking control of a non-holonomic mobile robot whose centroid doesn’t coincide to its rotation center i n the middle of connecting axle of driving wheels. The nonholonomic dynamic model of the Wheeled Mobile Robot (WMR) is…
Kaveh Mollaiyan, Rock Santerre, René Jr. Landry
New positioning applications’ availability requirements demand receivers with higher sensitivities and ability to process multiple GNSS signals. Possible applications include acquiring one signal per GNSS constellation in the same fre quency band and combinin…
Ana Paula C. Larocca, Ricardo E. Schaal, Gabriel do N. Guimarães, Igor Machado da Silveira, Paulo César Lima Segantine
This paper is part of a research under enhancement since 2001, in which the main objective is to measure small dynamic displacements by analysis of L1 GPS carrier frequency with 1575.42 MHz—wavelength 19.05 cm, under an adaptive method for collecting data and…
Dean M. Anderson, Rick E. Estell, Andres F. Cibils
It was not until the end of the 1990’s that animal born satellite receivers catapulted range cattle ecology into the 21st century world of microchip technology with all of its opportunities and challenges. With the global navigation satellite system (GNSS), i…
J.-F. Pascual-Sánchez, A. San Miguel, F. Vicente
Only a causal class among the 199 Lorentzian ones, which do not exists in the Newtonian space-time, is privileged to construct a generic, gravity free and immediate (non retarded) relativistic positioning system. This is the causal class of the null emission…
Oleg Yurjevich Kupervasser, Alexander Alexandrovich Rubinstein
This paper deals with the error analysis of a novel navigation algorithm that uses as input the sequence of images ac quired from a moving camera and a Digital Terrain (or Elevation) Map (DTM/DEM). More specifically, it has been shown that the optical flow de…
Ouarda Hachour
In this paper we present a fuzzy_IAMR Intelligent Autonomous Mobile Robot navigation approach of Autonomous Mobile Robot. The robot has to find a collision-free trajectory between the starting configuration and the goal configu ration in a static unknown envi…
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POS is an international journal dedicated to the advancement of the study of navigation and positioning. The goal of this journal is to provide a platform for scientists and academicians all over the world to promote, share, and discuss various new issues and developments in different areas of navigation and positioni… All articles are open access under a CC BY 4.0 licence, with authors retaining copyright.
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