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  • position.png

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1		-# ![[image-20240226113213-1.png|image-20240226113213-1.png]]
	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]]
	4	+
3	3	# Goals
4	4
5		-* Develop and implement and algorithm for computing a best-effort projection of a vehicle position on a track
6		-* Evaluate the algorithm (and potential variations) with the real-world data collected in the Malente-Lütjenburg track
	7	+* Develop and implement an algorithm for computing a best-effort projection of a vehicle position on a track
	8	+* 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		-* Errors in GPS data
11		-* Gaps in GPS data (missing network)
	12	+* Errors in GNNS data
	13	+* Gaps in GNNS data (missing network)
12	12	* Different accuracy of tracking devices (Smartphones vs. dedicated Trackers)
13		-* Projection of expected movement or potential location areas
	15	+* 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		-
30		-[https://github.com/kieler/RailTrail](https://github.com/kieler/RailTrail)
31		-
32	32	# Involved Languages/Technologies
33	33
34		-*
	32	+* Python
35	35
36		-Python
37		-
38	38	# Supervised by
39	39
40	40	Alexander Schulz-Rosengarten
41		-[[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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