[esp-r] Re: zone control - ramp function (Hall Monika)

Georgios Kokogiannakis georgios at esru.strath.ac.uk
Wed Aug 6 15:23:29 BST 2008


I would try the temporal definitions file (tdf) item for setpoint temperature. 
I would precalculate the setpoints that I would like to have and then import 
them from a csv file in the tdf interface (click model context -> impose 
measured data, etc.). 

Regards,
Georgios

On Wednesday 06 August 2008 14:25, Hall Monika wrote:
> Hallo Chriatian,
>
> Thank you, but then I have to set the parameters for each siumlation run.
>
> Following my control function:
>
> * Control function
> # sensed value from function generator.
>    -6    2    0    0  # sensor data
> # actuates air point of the current zone
>     0    0    0  # actuator data
>     1 # No. day types
>     1  365  # valid Tue-01-Jan - Tue-31-Dec
>      1  # No. of periods in day
>     0    2   0.000  # ctl type, law (free floating), start @
>       0.  # No. of data items
>
> -6: ramp function generator
>
> Is it right, that the "ctl typ" is unimportant, because -6 means that the
> input parameters were set at the simulation time?
>
> How could I manage different timesteps? E.g:
> 00:00 - 08:00  const. temperature 10 °C
> 08:00 - 12:00  temperature increase 20 - 50°C (linear)
> 12:00 - 14:00  const. temperature 50 °C
> 14:00 - 18:00  temperature decrease 50 - 10°C (linear)
> 18:00 - 24:00  const. temperature 10 °C
>
> Is this possible with a sawtooth function, or with a nested function?
>
> Best regards
> Monika
>
>
>
> -----Original Message-----
> Message 2
> From: esp-r-bounces at lists.strath.ac.uk
> [mailto:esp-r-bounces at lists.strath.ac.uk] On Behalf Of Christian Anker
> Hviid Sent: Wednesday, August 06, 2008 1:11 PM
> To: esp-r at lists.strath.ac.uk
> Subject: [esp-r] Re: zone control - ramp function (Hall Monika)
>
> You set the input parameters at simulation time. When you press either
> 'silent simulation' or 'interactive', esp-r notices the missing input and
> asks for them. I have tried with a sawtooth function.
>
> Regards
> Christian Hviid
>
>
>
>
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> ----------------------------------------------------------------------
>
> Message: 1
> Date: Wed, 6 Aug 2008 11:15:47 +0200
> From: "Hall Monika" <Monika.Hall at josef-gartner.ch>
> Subject: [esp-r]  zone control - ramp function
> To: "esp-r" <esp-r at lists.strath.ac.uk>
> Message-ID:
> 	<5410907208A9F149ADB6E44744892B3C4D37A7 at sgartgum1.gart.intra>
> Content-Type: text/plain; charset="iso-8859-1"
>
> Dear all,
>
>
>
>
>
> I have a question about zone control. I would like to heat/cool a room with
> a ramp (or other) function. Is it possible?
>
>
>
> In "sensor details" I found sensor type k: use value from function
> generator. This generator needs 4 values, but I can't find the input menu.
> On the other hand I would expect a possibility for a ramp function in
> "actuator details".
>
>
>
> Has anyone an idea how to control the zone temperature with a ramp
> function?
>
>
>
> Many thanks in advance.
>
>
>
> Regards
>
> Monika
>
>
>
>
>
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-- 
Energy Systems Research Unit (ESRU)
Department of Mechanical Engineering
University of Strathclyde



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