Global Positioning System for future Railway Control Systems

Name: Global Positioning System for future Railway Control Systems
Brand: VDM Verlag
SKU: 9783639158458
Price: 436.5 RON
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Autor: Yuheng Zheng

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Editura: VDM Verlag

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Although Global Navigation Satellite Systems (GNSS) have been widely used in aviation, vehicle and m...

Informații despre carte

Autor

Yuheng Zheng

Limbă

engleză

Legare

Carte - Carte broșată

Publicat

2010

Pagini

228

EAN

9783639158458

ISBN

3639158458

Enbook ID

06824309

Editura

VDM Verlag

Greutate

340

Dimensiuni

152 x 229 x 13

Descriere completă

Although Global Navigation Satellite Systems (GNSS) have been widely used in aviation, vehicle and marine navigation, and have also found non-safety railway applications, they still cannot be used in a standalone mode for safety critical railway applications. This is because GNSS suffers from the line-of-sight problem, namely, GNSS might be unavailable when trains run through the areas with low satellite visibility. A potential solution is to integrate satellite navigation measurements with other sensors such as a track database, INS or an augmentation system. This book is concerned with the evaluation of the potential role of a track database for this purpose. A rigorous mathematical model for the integration of GNSS with the track database is developed. The key feature of this model is its ability to model errors in both GNSS measurements and the track database to achieve realistic performance statistics for the combined system. Knowledge of the position of the railway lines turns positioning, in principle, into a one dimensional problem.

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Global Positioning System for future Railway Control Systems

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