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ARS at Wootton Bassett (Loader v5)

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ARS at Wootton Bassett (Loader v5) 20/07/2020 at 12:39 #129803
135 posts
Given the vaunted improvements to ARS in Loader v5, and the wave of sim updates that came along with it, I've been going through some sims to see what effect these changes had. Now I've got to SwinDid, which is much improved in some previously troublesome areas, but Wootton Bassett Jn now appears to have ARS permanently confused; it consistently makes regulating decisions which are the precise opposite of what would be expected.

Attached is a snapshot illustrating this. 1L24 has just reached the junction on the Up Badminton, while 1A08 has recently entered from Bathampton, both running essentially on-time. 1L24 is scheduled to cross the junction first, and has actually reached the junction, but ARS is deferring to 1A08. Other conflicting moves across the junction, in various combinations, yield similar results.

By contrast, conflicting moves in the Thingley and Didcot areas are behaving quite well.

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ARS at Wootton Bassett (Loader v5) 20/07/2020 at 13:14 #129805
436 posts
Mantis 31162.

Thanks for the report.

in the short term best thing to do is to manually route the trains per TT. I've ran an hour on from your save and can reproduce this in both directions.

Last edited: 20/07/2020 at 13:17 by Hap
Reason: None given

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ARS at Wootton Bassett (Loader v5) 01/08/2020 at 17:00 #130271
500 posts
I think this is due to the recovery times at Wootton Basset Jn. Take those out and the trains are happy.

Seems something horrible goes on in the calculation of the junction times, and ends up putting in a 00:00:00.
With that data in the decision process, ARS deems 1L24 as ' low priority untimed train' and it gives way.
Same then applies to 1A08, and it gives way to a down train somewhere east of Didcot

Last edited: 01/08/2020 at 17:22 by bill_gensheet
Reason: None given

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