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- W769001989 abstract "The concept of user-level integrity monitoring has been successfully applied to air transport navigation systems mainly focusing on the errors associated with space (satellite system) data processing chain. However, little research effort has been devoted to the study of land vehicle navigation system integrity monitoring. The primary difference is that one needs to consider the errors associated with a spatial map, and the map-matching process when monitoring the integrity of a land vehicle navigation system. To date research has focused on either the integrity of raw positioning information obtained from a satellite system or the integrity of the map-matching process and digital map errors. Here, for the first time all these errors are considered together, and additionally, road network complexity is also taken into account. Therefore, the main contribution of this paper is to develop user-level integrity monitoring by taking into account all the errors associated with a navigation system simultaneously; and to consider the operational environment (i.e., road complexity) to further improve the performance. The errors associated with a spatial road map are given special attention. Two knowledge-based fuzzy inference systems are developed to measure the integrity scale. The performance of the integrity method is checked using field data collected in Nottingham, UK. The integrity method can give 98.4% valid warnings. This is superior to existing integrity methods for land vehicle navigation, and has the potential to support real-time ITS applications." @default.
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- W769001989 date "2010-01-01" @default.
- W769001989 modified "2023-09-23" @default.
- W769001989 title "Map-Aided Integrity Monitoring of a Land Vehicle Navigation System" @default.
- W769001989 hasPublicationYear "2010" @default.
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