Name
Title | ||
|---|---|---|
Sensitivity assessment to analyse dependability of a multisensor localisation system based on GNSS |
Abstract | ||
|---|---|---|
This paper proposes to use sensibility measures to analyse the dependability and safety of railway localisation systems based on GNSS. In such systems, train positions are determined by combining all available sources of localisation information. However, each source of data suffers from specific errors, which are inherent to the nature of the sensors and, which are difficult to manage with common dependability methods. The proposed evaluation method based on a sensitivity analysis aims at showing the influence of the variability of sensor parameters on the RAMS (Reliability, Availability, Maintainability and Safety) attributes. This implies (i) to identify characteristics of the different sensors that compose the system like features, behaviour and error model, and (ii) to make assumptions about the nature of position error on the output system (continuity, differentiability, etc...). This paper proposes a sensitivity computation method and interpretations related to a train positioning system. This can constitute a new approach in dependability analysis in GNSS-based systems with a low or nonexistent feedback. |
Year | DOI | Venue |
|---|---|---|
2013 | 10.1109/ITST.2013.6685592 | ITS Telecommunications |
Keywords | Field | DocType |
railway communication,railway safety,reliability,satellite navigation,sensitivity analysis,sensor fusion,sensor placement,GNSS-based systems,RAMS,behaviour model,common dependability methods,dependability analysis,error model,feature model,localisation information,multisensor localisation system,position error,railway localisation systems,reliability availability maintainability and safety attributes,sensibility measures,sensitivity analysis,sensitivity assessment,sensitivity computation method,train positioning system,Dependability,GNSS-based localisation system,Multisensor System,Sensitivity Analysis | Dependability,Satellite navigation,Computer science,Position error,Sensor fusion,GNSS applications,Reliability engineering,Maintainability,Positioning system,Distributed computing,Embedded system,Computation | Conference |
Citations | PageRank | References |
0 | 0.34 | 0 |
Authors | ||
4 | ||
Name | Order | Citations | PageRank |
|---|---|---|---|
| Legrand, C. | 1 | 0 | 0.34 |
| J. Beugin | 2 | 35 | 5.12 |
| Conrard, B. | 3 | 0 | 0.34 |
| J. Marais | 4 | 84 | 11.74 |