class411
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Post by class411 on Dec 4, 2021 9:46:16 GMT
I got on and H&C train at Hammersmith H&C and C station. I walked in through a nice, wide open, door, and noticed that above said nice, wide open, door, a bright red sign was illuminated saying: "Door Not In Use". Ho hum.
After around the six minutes specified by the platform train describer, during which time no other train left the station, the train departed.
About five seconds after departure Sonia (or one of her sisters) announced: "This train is ready to depart, please stand clear of the closing doors." I started to pray that whoever programmed these functions is never let anywhere near anything safety related.
Despite nothing having left the station for at least six minutes, the train crawled along until at least Shepherd's bush market.
All very odd.
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Post by Dstock7080 on Dec 4, 2021 12:05:18 GMT
One of the recurring problems of the current CBTC software I’m afraid.
All end-car doors indicated as “door not in use” at reversing points, Tower Hill etc.
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Post by t697 on Dec 4, 2021 17:04:35 GMT
One of the recurring problems of the current CBTC software I’m afraid. All end-car doors indicated as “door not in use” at reversing points, Tower Hill etc. Hardly a serious matter though, is it? There's no 'open issue' for resolution on the Door not in Use indication as far as I know. They also come on briefly during ATC to Tripcock or Tripcock to ATC changeover at Boundary stations. The train ready to depart announcement is a driver triggered one on S stock. Maybe selected rather late, or was it queued behind another automated message perhaps? |
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Post by spsmiler on Dec 5, 2021 1:17:12 GMT
Shh.. from sources I cannot identify I've been given to understand that the computers have become sentient and hence been given names, the one that controls the trains has been named HAL. This was done in 2001 but so far this info has not become widely known. Its all very hush hush...
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class411
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Posts: 2,743
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Post by class411 on Dec 5, 2021 8:54:46 GMT
HAL, Open the rear doors
I’m so sorry Dave, I can’t do that, this is Baker Street
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class411
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Posts: 2,743
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Post by class411 on Dec 5, 2021 10:20:54 GMT
One of the recurring problems of the current CBTC software I’m afraid. All end-car doors indicated as “door not in use” at reversing points, Tower Hill etc. Hardly a serious matter though, is it? No, just another instance of LU's sloppy attitude and disregard for the necessity for giving passengers clear and accurate information. |
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Post by t697 on Dec 5, 2021 11:49:43 GMT
I don't think this is primarily about sloppy attitude, but more a manifestation of the difficulty of adapting a train designed for one ATC system to instead use another ATC with significant differences.
The important matters all get resolved of course but matters like the one mentioned here are often not economically worth pursuing, once the interfacing has been developed to be safe and reliable.
The Door not in Use indicator gives an indication to passengers at short platforms to help them not to walk to that doorway to alight. At a terminal station, the indicator may be on when the train is not about to depart, so is scarcely an inconvenience at all, even to a passenger who boarded but then decides not to travel on this train but to alight again.
With the original, cancelled, ATC, the Door not in Use indicators were to be triggered to On in advance of the short platform concerned, making them much more useful. Not a feature provided with the actually implemented ATC based on Northern line 'baseline' unfortunately.
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Post by ajw373 on May 9, 2022 16:46:05 GMT
I have a similar question about Hammersmith. Why is it that if an east bound district line train is going to Dagenham East do the screens always show “Check Front of Train” (or words to that effect).
I’ve been living in the area for a month now, first time thought nothing of it but have seen it half a dozen times now and the destination is always Dagenham East.
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Post by t697 on May 10, 2022 4:24:26 GMT
I have a similar question about Hammersmith. Why is it that if an east bound district line train is going to Dagenham East do the screens always show “Check Front of Train” (or words to that effect). I’ve been living in the area for a month now, first time thought nothing of it but have seen it half a dozen times now and the destination is always Dagenham East. I don't think this is a similar question. Presumably this is about the Hammersmith (District and Piccadilly) station as you mentioned District line trains and the District line platform indicators. Probably better placed in the District line section? |
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Post by spsmiler on May 10, 2022 9:40:33 GMT
With the original, cancelled, ATC, the Door not in Use indicators were to be triggered to On in advance of the short platform concerned, making them much more useful. Not a feature provided with the actually implemented ATC based on Northern line 'baseline' unfortunately. That is a surprise, especially as the Northern line does have some stations where there are shorter platforms and as a consequence some end doors do not open. Maybe the difference is that on the 1995ts there is an audible message which can be combined in the usual 'next station' message instead of a visual message physically above the doors. |
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Post by t697 on May 10, 2022 13:55:59 GMT
S stock CIS is programmed to make audio and visual SDO announcements about the short platform station when at the previous station and on the approach to the short platform station. Then again at the short platform this last based on the door pattern actually being asserted, which should be the same of course in most cases.
The Door Not in Use indicators were a further addition intended to make things clear.
So I don't think there is anything about the provision on Northern line 1995TS for this that exceeds what S stock has.
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