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attributes meanDelay and meanDelayDeparture [message #583] Tue, 19 August 2003 14:49 Go to next message
Lukas Haldemann Lukas is currently offline  Lukas Haldemann Lukas
Messages: 2
Registered: August 2003
Junior Member
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Hi

I'm writing an import filter in RailML as part of my diploma theses and here the following question came up:

What is the meaning of the attributes meanDelay and meanDelayDeparture for <entry> or what is the reason they are in the scheme?

If you do have planned data <train type=planned> you won't have this information available.
If you do have actual data (measured) you need this data day-by-day and had to define a new<train> for each day.
So I can't think about a case where these attributes would be helpful

or where I'm wrong?

Thanks, Lukas
Re: attributes meanDelay and meanDelayDeparture [message #584 is a reply to message #583] Wed, 20 August 2003 07:52 Go to previous message
Daniel Huerlimann is currently offline  Daniel Huerlimann
Messages: 17
Registered: September 2004
Junior Member
Hello

"Lukas Haldemann wrote:

> I'm writing an import filter in RailML as part of my diploma theses and here
> the following question came up:
>
> What is the meaning of the attributes meanDelay and meanDelayDeparture for
> <entry> or what is the reason they are in the scheme?
>

The meanDelay attribute was integrated into the scheme because it can be
a useful information for simulation systems. You can have all your
planned data for a given (or future) timetable but beside that you can
have real delay date (statistics) evaluated by a dispatching system or
train control system (e.g. over the last time period). A simulation then
can reproduce the same pattern of failures and delays in a new timetable
and check if the timetable is stable and robust.


Best regards

Dani
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