blockSwitchAtSeason
Swith boolean signal to true between two distinct days of the year
Information
1. Purpose of model
Switch model that gives a positive value between two specified times of the year.
2. Level of detail, physical effects considered, and physical insight
(Description)
3. Limits of validity
(Description)
4. Interfaces
(none)
5. Nomenclature
(no elements)
6. Governing Equations
(no equations)
7. Remarks for Usage
The parameters are given as real numbers from 0 to 365 as a day of the year. The output is a Boolean output, which is true if the time is between those two parameters else it gives false.
8. Validation
(no validation or testing necessary)
9. References
(none)
10. Version History
Created by Yousef Omran, Fraunhofer UMSICHT, 2018
Modified by Anne Hagemeier (anne.hagemeier@umsicht.fraunhofer.de), July 2018
Parameters
| Type | Name | Default | Description |
|---|---|---|---|
| Real | summer_start | 121 | Day of the year for the start of summer operation |
| Real | winter_start | 274 | Day of the year for the end of summer operation |
Connectors
| Type | Name | Default | Description |
|---|---|---|---|
| Modelica.Blocks.Interfaces.BooleanOutput | summer_operation | Connector of Boolean output signal |
Components
| Type | Name | Default | Description |
|---|---|---|---|
| Modelica.Blocks.Logical.Greater | greaterThreshold1 | ||
| Modelica.Blocks.Sources.RealExpression | time_1 | ||
| Modelica.Blocks.Sources.RealExpression | summer | ||
| Modelica.Blocks.Logical.Less | greaterThreshold2 | ||
| Modelica.Blocks.Sources.RealExpression | time_2 | ||
| Modelica.Blocks.Sources.RealExpression | winter | ||
| Modelica.Blocks.Logical.And | and1 |