Travel Time Estimation and Incident Detection Using  Probe Vehicles - Li Yanying
Travel Time Estimation and Incident Detection Using Probe Vehicles - Li Yanying
AutorzyLi Yanying
EAN: 9783836461245
Marka
Symbol
414EXL03527KS
Rok wydania
2009
Strony
176
Format
15.2x22.9cm
Oprawa
Miekka
Język
angielski

Bez ryzyka
14 dni na łatwy zwrot

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ponad milion pozycji

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Marka
Symbol
414EXL03527KS
Kod producenta
9783836461245
Rok wydania
2009
Strony
176
Format
15.2x22.9cm
Oprawa
Miekka
Język
angielski
Autorzy
Li Yanying

This book presents a study of the use of GPS 
equipped probe vehicle to collect traffic data on a  
motorway network. Two types of GPS equipped probe 
vehicles, active and passive, have been studied. A 
passive probe vehicle was considered to provide only 
link journey time and a minimum number of probe 
vehicles is required for reliable estimation. This 
research has studied the distribution of individual 
journey times and calculated the sample size of 
probe vehicles required in different traffic 
conditions. The sample size has shown to be 
generally stable for the same link, but may decrease 
in heavier traffic. An active probe vehicle was 
found to be able to determine vehicle position and 
speed at 1 Hz frequency over an entire journey. By 
analysing the speed profile of probe vehicles, 
journey times can be estimated from fewer probe 
vehicles than normally required.
EAN: 9783836461245
EAN: 9783836461245
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