[EnergyPlus_Support] Re: Can parametrics objects be used within EMS?

["marko.ignjatovic1980" <marko.ignjatovic1980@xxxxxxxxx>]

Thanks Jean,

it helped me a lot.

Marko

--- In EnergyPlus_Support@xxxxxxxxxxxxxxx, "Jean marais" <jeannieboef@...> wrote:
>
> Do you define how the parametric files are to be called? e.g.
> 
>     Parametric:FileNameSuffix,
>     Names,
>     P1,
>     P2;
> 
> I would think the parametric preprocessor runs and inserts the values into each sepperate idf. Then in the simulation the EMS code is envoked as normal, i.e. there you won't see any $, but only the value that was written in.
> 
> I would however, do the substitution via a variable where myvalue,
> is the first on the line...for example:
> 
>  Schedule:Compact,
>      HW LOOPSCHEDULE,         !- Name
>      Temperature,             !- Schedule Type Limits Name
>      Through: 12/31,          !- Field 1
>      For: Weekdays WinterDesignDay,  !- Field 2
>      Until: 24:00,            !- Field 3
>      =$SuppT,                 !- Field 4
>      For: AllOtherDays,       !- Field 5
>      Until: 24:00,            !- Field 6
>      45;                      !- Field 7
> 
> EnergyManagementSystem:GlobalVariable,
> SuppTvalue; !- Erl Variable 2 Name
> 
> 
> EnergyManagementSystem:Sensor,
> HW_LOOPSCHEDULE_Sensor, 
> HW LOOPSCHEDULE,
> Schedule Value; 
> 
> EnergyManagementSystem:Program,
>      HWSupplyTemperatureControl,  !- Name
> 
> SET SuppTvalue = HW LOOPSCHEDULE Sensor,
> 
>      IF (OutsideAirSensor < (0 - 12.0)),  !- Program Line 1
>      SET ControlValve==SuppTvalue,!- Program Line 2
>      ELSEIF (OutsideAirSensor > 12.0),  !- A4
>      SET ControlValve=45.0,   !- A5
>      ELSE,                    !- A6
>      SET ControlValve=((1/12)*(22.5-(0.5)*SuppTvalue))*OutsideAirSensor+((0.5)*(SuppTvalue+45),  !- A7
>      ENDIF;                   !- A8
> 
> *********************************
> or you could try direct from the sensor in as 
> 
> IF (OutsideAirSensor < (0 - 12.0)),  !- Program Line 1
>      SET ControlValve==HW_LOOPSCHEDULE_Sensor,!- Program Line 2
>      ELSEIF (OutsideAirSensor > 12.0),  !- A4
>      SET ControlValve=45.0,   !- A5
>      ELSE,                    !- A6
>      SET ControlValve=((1/12)*(22.5-(0.5)*HW_LOOPSCHEDULE_Sensor))*OutsideAirSensor+((0.5)*(HW_LOOPSCHEDULE_Sensor+45),  !- A7
>      ENDIF;                   !- A8
> 
> 
> Jean
> 
> --- In EnergyPlus_Support@xxxxxxxxxxxxxxx, "marko.ignjatovic1980" <marko.ignjatovic1980@> wrote:
> >
> > Hi all,
> > 
> > I am trying to do sensitivity analysis of my model. I generated sample for input vector(s), and figured that the easiest way is to use Parametrics within E+. In my model I modeled simple boiler control using EMS. It worked fine when I had only design values. Now, i tried inserting objects from parametric runs, but E+ collapses. In addition I am giving part of IDF file.
> > 
> > Sincerely
> > 
> > Marko
> > 
> > Schedule value varied by EMS
> > 
> > Schedule:Compact,
> >     HW LOOPSCHEDULE,         !- Name
> >     Temperature,             !- Schedule Type Limits Name
> >     Through: 12/31,          !- Field 1
> >     For: Weekdays WinterDesignDay,  !- Field 2
> >     Until: 24:00,            !- Field 3
> >     =$SuppT,                 !- Field 4
> >     For: AllOtherDays,       !- Field 5
> >     Until: 24:00,            !- Field 6
> >     45;                      !- Field 7
> > 
> > EMS Sensor
> > 
> > EnergyManagementSystem:Sensor,
> >     OutsideAirSensor,        !- Name
> >     Environment,             !- Output:Variable or Output:Meter Index Key Name
> >     Outdoor Dry Bulb;        !- Output:Variable or Output:Meter Name
> > 
> > 
> > EMS Actuator
> > 
> > EnergyManagementSystem:Actuator,
> >     ControlValve,            !- Name
> >     HW LOOPSCHEDULE,         !- Actuated Component Unique Name
> >     Schedule:Compact,        !- Actuated Component Type
> >     Schedule Value;          !- Actuated Component Control Type
> > 
> > EMS Program Calling mng
> > 
> > EnergyManagementSystem:ProgramCallingManager,
> >     HWSupplyTemp Control,    !- Name
> >     BeginTimestepBeforePredictor,  !- EnergyPlus Model Calling Point
> >     HWSupplyTemperatureControl;  !- Program Name 1
> > 
> > EMS Program
> > 
> > EnergyManagementSystem:Program,
> >     HWSupplyTemperatureControl,  !- Name
> >     IF (OutsideAirSensor < (0 - 12.0)),  !- Program Line 1
> >     SET ControlValve==$SuppT,!- Program Line 2
> >     ELSEIF (OutsideAirSensor > 12.0),  !- A4
> >     SET ControlValve=45.0,   !- A5
> >     ELSE,                    !- A6
> >     SET ControlValve=((1/12)*(22.5-(0.5)*$SuppT))*OutsideAirSensor+((0.5)*($SuppT+45),  !- A7
> >     ENDIF;                   !- A8
> > 
> > Parametric
> > 
> > Parametric:SetValueForRun,
> >     $SuppT,                  !- Name
> >     64.3905;                 !- Value for run 1
> >
>




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