E01 - Two-port electrical resistor in two operating phases (single scenario)ΒΆ
Overview
Example 1: Two-port electrical resistor R1 that is operated for several hours in two operating phases at different temperatures.
MPFO-XML Source Code
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xmlns:mml="http://www.w3.org/1998/Math/MathML"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://www.mpfo.org/mpfo-0.7 http://www.mpfo.org/mpfo-0.7/mpfo.xsd"
Id="ID.Component.R1"
MPFoVersion="0.7">
<Description>Example: Simple two-port electrical resistor R1 that is operated with a DC current for 55h at 298K (25C) and 350h at 423K (150C)</Description>
<!-- External MPFO-XML definitions -->
<Include>
<!-- Include external MPFO standard definitions -->
<xi:include xmlns:xi="http://www.w3.org/2001/XInclude" href="http://www.mpfo.org/mpfo-0.7/include/stdlib.xml">
<!-- Define a fallback include in case the stdlib was not found at the remote location -->
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<xi:include xmlns:xi="http://www.w3.org/2001/XInclude" href="../../../../include/stdlib.xml"/>
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</Include>
<!-- MPFO-XML document definition -->
<DocumentDefinition>
<Documents>
<!-- Initial document revision -->
<Document Id="ID.Doc.0" ShortDescription="Initial version of mission profile document for MPFO-XML example 001"
ModificationTimeStamp="2018-05-04T18:13:51.0" Revision="1">
<Description>This is document revision 1.0.</Description>
<Creator Name="Max Mustermann" Organization="mpfo.org" ToolName="MPFW" ToolVersion="1.0" CreationTimeStamp="2018-05-04T18:13:51.0"/>
</Document>
</Documents>
</DocumentDefinition>
<!-- Component port definition: 2 electrical resistor ports (N1, N2) -->
<PortDefinition>
<Ports>
<Port Id="ID.Port.N1" Name="N1" ShortDescription="Electrical device instance terminal N1" Type="inout"/>
<Port Id="ID.Port.N2" Name="N2" ShortDescription="Electrical device instance terminal N2" Type="inout"/>
</Ports>
</PortDefinition>
<!-- Component load definitions -->
<LoadDefinition>
<Loads>
<!-- Definition of the resistor input current as DC current i = 123.4 mA -->
<Load Id="ID.Load.0" ShortDescription="Input current I0">
<LoadQuantity Id="ID.QLoad.0" Symbol="I0">
<Quantity>
<SNumber>0.1234</SNumber>
<Unit>
<mml:math>
<mml:csymbol cd="SI_NamedDerivedUnits1">ampere</mml:csymbol>
</mml:math>
</Unit>
</Quantity>
</LoadQuantity>
</Load>
<!-- Definition of the resistor output current as DC current i = -123.4 mA as transformed reference to the load "ID.Load.0" -->
<Load Id="ID.Load.1" ShortDescription="Output current I1">
<LoadRef ReferenceLoadRef="ID.Load.0">
<TransformationFunction>
<FormulaRef Ref="ID.STD.Formula.Negation"/>
</TransformationFunction>
</LoadRef>
</Load>
<!-- Environment temperature T1 = 298 K present for a certain period of time -->
<Load Id="ID.Load.Env.0" ShortDescription="Environment temperature T1 = 298 K for 55 h">
<LoadQuantity Id="ID.QLoad.Env.0" Symbol="T1">
<SymbolicFunction>
<!-- Re-usable function template that defines a piecewise function to define a time interval later -->
<SymbolicFunctionTemplate Id="ID.Function-constant-temperature" Symbol="T">
<Unit>
<mml:math>
<mml:csymbol cd="SI_NamedDerivedUnits1">kelvin</mml:csymbol>
</mml:math>
</Unit>
<Arguments>
<ArgumentWithUnit Symbol="t">
<Unit>
<mml:math>
<mml:csymbol cd="SI_BaseUnits1">hour</mml:csymbol>
</mml:math>
</Unit>
</ArgumentWithUnit>
</Arguments>
<Parameters>
<ParameterWithUnit Symbol="T1" TeX="T_1">
<Unit>
<mml:math>
<mml:csymbol cd="SI_NamedDerivedUnits1">kelvin</mml:csymbol>
</mml:math>
</Unit>
</ParameterWithUnit>
<ParameterWithUnit Symbol="t1" TeX="t_1">
<Unit>
<mml:math>
<mml:csymbol cd="SI_BaseUnits1">hour</mml:csymbol>
</mml:math>
</Unit>
</ParameterWithUnit>
</Parameters>
<mml:math>
<mml:apply>
<!-- define a piecewise linear function between 0 <= t <= t1 where t1 will be defined later -->
<mml:csymbol cd="piece1">piecewise</mml:csymbol>
<mml:apply>
<mml:csymbol cd="piece1">piece</mml:csymbol>
<mml:ci>T1</mml:ci>
<mml:apply>
<mml:csymbol cd="logic1">and</mml:csymbol>
<mml:apply>
<mml:csymbol cd="relation1">geq</mml:csymbol>
<mml:ci>t</mml:ci>
<mml:cn type="real">0</mml:cn>
</mml:apply>
<mml:apply>
<mml:csymbol cd="relation1">leq</mml:csymbol>
<mml:ci>t</mml:ci>
<mml:ci>t1</mml:ci>
</mml:apply>
</mml:apply>
</mml:apply>
</mml:apply>
</mml:math>
</SymbolicFunctionTemplate>
<!-- Assign values to the formula parameters -->
<ParameterValues>
<!-- Limit the duration to 55 h -->
<ParameterValueMagnitude Symbol="t1">
<SNumber>55</SNumber>
</ParameterValueMagnitude>
<!-- Set temperature to 298 K -->
<ParameterValueMagnitude Symbol="T1">
<SNumber>298</SNumber>
</ParameterValueMagnitude>
</ParameterValues>
</SymbolicFunction>
</LoadQuantity>
</Load>
<!-- Environment temperature T2 = 423 K present for 350 h -->
<Load Id="ID.Load.Env.1" ShortDescription="Environment temperature T2=423K">
<LoadQuantity Id="ID.QLoad.Env.1" Symbol="T2">
<SymbolicFunction>
<!-- Fortunately, we can also re-use previously defined function templates -->
<SymbolicFunctionTemplateRef Ref="ID.Function-constant-temperature"/>
<!-- Assign values to the formula parameters -->
<ParameterValues>
<!-- Limit the duration to 350 hours -->
<ParameterValueMagnitude Symbol="t1">
<SNumber>350</SNumber>
</ParameterValueMagnitude>
<!-- Set temperature to 423K -->
<ParameterValueMagnitude Symbol="T1">
<SNumber>423</SNumber>
</ParameterValueMagnitude>
</ParameterValues>
</SymbolicFunction>
</LoadQuantity>
</Load>
</Loads>
</LoadDefinition>
<!-- Assign loads to ports -->
<ActionDefinition>
<Actions>
<!-- Operating phase 1 (loads are assigned directly to the electrical ports for simplicity reasons) -->
<Action Id="ID.Action.0" ShortDescription="Operating phase 1: Resistor operation at 298 K for 55 h">
<Assignments>
<!-- Assign loads to port N1 -->
<Assignment Id="ID.Action.0.Assignment.N1">
<PortRefs>
<PortRef Ref="ID.Port.N1"/>
</PortRefs>
<LoadRefs>
<LoadRef Ref="ID.Load.0"/>
<LoadRef Ref="ID.Load.Env.0"/>
</LoadRefs>
</Assignment>
<!-- Assign loads to port N2 -->
<Assignment Id="ID.Action.0.Assignment.N2">
<PortRefs>
<PortRef Ref="ID.Port.N2"/>
</PortRefs>
<LoadRefs>
<LoadRef Ref="ID.Load.1"/>
<LoadRef Ref="ID.Load.Env.0"/>
</LoadRefs>
</Assignment>
</Assignments>
</Action>
<!-- Operating phase 2 (loads are assigned directly to the electrical ports for simplicity reasons) -->
<Action Id="ID.Action.1" ShortDescription="Operating phase 2: Resistor operation at 423 K for 350 h">
<Assignments>
<!-- Assign loads to port N1 -->
<Assignment Id="ID.Action.1.Assignment.N1">
<PortRefs>
<PortRef Ref="ID.Port.N1"/>
</PortRefs>
<LoadRefs>
<LoadRef Ref="ID.Load.0"/>
<LoadRef Ref="ID.Load.Env.1"/>
</LoadRefs>
</Assignment>
<!-- Assign loads to port N2 -->
<Assignment Id="ID.Action.1.Assignment.N2">
<PortRefs>
<PortRef Ref="ID.Port.N2"/>
</PortRefs>
<LoadRefs>
<LoadRef Ref="ID.Load.1"/>
<LoadRef Ref="ID.Load.Env.1"/>
</LoadRefs>
</Assignment>
</Assignments>
</Action>
</Actions>
<ActionSets>
<ActionSet Id="ID.ActionSet.0">
<References>
<ActionRef Ref="ID.Action.0"/>
</References>
</ActionSet>
<ActionSet Id="ID.ActionSet.1">
<References>
<ActionRef Ref="ID.Action.1"/>
</References>
</ActionSet>
</ActionSets>
</ActionDefinition>
<!-- Component activity definition: sequence of operating phases -->
<ActivityDefinition>
<!-- Define activities -->
<Activities>
<!-- Operating phase 1 -->
<Activity Id="ID.Activity.0">
<ActionSetRef Ref="ID.ActionSet.0"/>
</Activity>
<!-- Start operating phase 2 after operating phase 1 -->
<Activity Id="ID.Activity.1">
<ActionSetRef Ref="ID.ActionSet.1"/>
</Activity>
</Activities>
<!-- Consider operating phase 2 to start after operating phase 1 -->
<ActivityFlows>
<ActivityFlow Id="ID.Activity.Flow.0">
<ActivityRefs>
<ActivityRef Ref="ID.Activity.0"/>
<ActivityRef Ref="ID.Activity.1"/>
</ActivityRefs>
</ActivityFlow>
</ActivityFlows>
<!-- Define a activity flow set -->
<ActivityFlowSets>
<ActivityFlowSet Id="ID.Activity.FlowSet.0">
<References>
<ActivityFlowRef Ref="ID.Activity.Flow.0"/>
</References>
</ActivityFlowSet>
</ActivityFlowSets>
</ActivityDefinition>
<!-- Define an activity scenario for the component and apply/use it -->
<ScenarioDefinition>
<!-- Define an application scenario with one activity flow -->
<Scenarios>
<Scenario Id="ID.Scenario.0">
<ActivityFlowSetRefs>
<ActivityFlowSetRef Ref="ID.Activity.FlowSet.0"/>
</ActivityFlowSetRefs>
</Scenario>
</Scenarios>
<!-- Apply the scenarios -->
<Application Id="ID.Scenario.Application">
<ScenarioRefs>
<ScenarioRef Ref="ID.Scenario.0"/>
</ScenarioRefs>
</Application>
</ScenarioDefinition>
</MPFo>
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