Analysis of the AirTouch automatic vehicle location system's ability to locate moving vehicles /

(107 feet). For transit services, these averages are

Bibliographic Details
Main Author: Henry, Tracy Lynn
Format: Thesis eBook
Language:English
Published: [Place of publication not identified] : [publisher not identified] ; 1995.
Subjects:
Online Access:Link to OAKTrust copy
Description
Summary:(107 feet). For transit services, these averages are
(O to 50 mph) in 16 kmph (10 mph) increments. Each velocity
50 meters (107 to 164 feet) is sufficient for the customers'
ability to locate vehicles can assist in locating emergency
also collected at each test site. It was discovered that one
and public transit vehicles for better real-time dispatching
applications require traveling vehicles, this thesis focused
appropriate. When dispatching a transit vehicle, two-way
as the velocity increases among traveling vehicles. However,
as well as recovering stolen vehicles. Because many
Automatic vehicle location systems are becoming more
communication between dispatcher and driver can verify the
compared to differential Global Positioning System (dGPS)
direction of travel as opposed to readings perpendicular to
error, this approximate inaccuracy decreased to 33 meters
factors tend to affect the accuracy of the readings. Based
impossible to conclude if velocity affected the accuracy of
in one case, the accuracy of the stationary readings were
kmph (50 mph), AirTouch had an approximate inaccuracy of 50
less accurate compared to the non-stationary readings. At 80
meters (164 feet). When the data was adjusted for human
minimize the external effects that could create inaccurate
most of the error in the readings. Finally, more error was
moving vehicle. Recent AirTouch vehicle location system
needs.
on the AirTouch system's ability to accurately locate a
on the results of the reports, two sites were selected to
prevalent in diverse transportation applications. Their
prevalent in the readings associated with the vehicle's
readings available for civilian use. The dGPS readings were
readings which currently provide the most accurate location
readings. Six speeds were selected ranging from 0 to 80 kmph
reports were compiled and analyzed to distinguish what
site produced more accurate readings compared to the other
site. In addition, the longitude differences accounted for
suggested that the AirTouch system does decrease in accuracy
the AirTouch system. The results of this thesis have
the direction of travel. Based on the data analysis, it was
to know where a vehicle is and when it should arrive, 33 to
vehicle's exact location. Furthermore, when a customer needs
was tested 20 times at each site. The location readings were
Item Description:"Major subject: Civil Engineering".
Vita.
Physical Description:xi, 80 leaves : illustrations ; 28 cm.
Also available online.
Issued also on microfiche from Lange Micrographics.
Bibliography:Includes bibliographical references.