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  • position.png

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1		-The REAKT DATA project (<https://reakt.sh/>) includes visualizing rail vehicle positions on the track based on a set of position data from GNNS trackers. These position data are sparse and include errors and variation, yet it can be safely assumed that the rail vehicle will not leave the track in normal operation. Hence, this topic will investigate an algorithm to process the data and project the position of the vehicles onto the track.
	1	+The REAKT DATA project (https://reakt.sh/) includes visualizing rail vehicle positions on the track based on a set of position data from GNNS trackers. These position data are sparse and include errors and variation, yet it can be safely assumed that the rail vehicle will not leave the track in normal operation. Hence, this topic will investigate an algorithm to process the data and project the position of the vehicles onto the track.
2	2
	3	+[[image:position.png]]
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3	3	# Goals
4	4
5	5	* Develop and implement an algorithm for computing a best-effort projection of a vehicle position on a track
6	6	* Evaluate the algorithm (and potential variants of the algorithm) with the real-world data collected on the Malente-Lütjenburg track
7	7
8		-#### Consiterations for the Algorithm
	10	+ Consiterations for the Algorithm
9	9
10	10	* Errors in GNNS data
11	11	* Gaps in GNNS data (missing network)
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12	12	* Different accuracy of tracking devices (Smartphones vs. dedicated Trackers)
13	13	* Showing estimates of expected movement or potential location areas
14	14	* Handling inconsistencies
15		- * Unrealistic position jumps
16		- * Passing other vehicles (quickly) on single-lane track
17		- * Vehicles changing direction without stopping
	17	+* Unrealistic position jumps
	18	+* Passing other vehicles (quickly) on single-lane track
	19	+* Vehicles changing direction without stopping
18	18
19	19	# Scope
20	20
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22	22
23	23	# Related Work/Literature
24	24
25		-*
	27	+* https://reakt.sh/
	28	+* https://github.com/kieler/RailTrail/wiki/Data-processing#computation-of-vehicle-position-speed-and-heading
26	26
27		-[https://reakt.sh/](https://reakt.sh/) *
28		-
29		-[https://github.com/kieler/RailTrail/wiki/Data-processing#computation-of-vehicle-position-speed-and-heading](https://github.com/kieler/RailTrail/wiki/Data-processing#computation-of-vehicle-position-speed-and-heading)
30		-
31	31	# Involved Languages/Technologies
32	32
33	33	* Python
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35	35	# Supervised by
36	36
37	37	Alexander Schulz-Rosengarten
38		-[[als@informatik.uni-kiel.de|path:mailto:als@informatik.uni-kiel.de]]
	37	+[[als@informatik.uni-kiel.de>>mailto:als@informatik.uni-kiel.de]]

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