public void When_IsTemperatureDependent_Expect_Reference()
{
/*
* A test for a lowpass RC circuit (DC voltage, resistor, capacitor)
* The initial voltage on capacitor is 0V. The result should be an exponential converging to dcVoltage.
* TC1 and TC2 of capacitor is 0.
* Temperature is 30 degrees.
*/
double dcVoltage = 10;
var resistorResistance = 10e3; // 10000;
double factor = (1.0 + 3.0 * 1.1 + 3.0 * 3.0 * 2.1);
var capacitance = 1e-6;
var capacitanceAfterTemperature = capacitance * factor;
var tau = resistorResistance * capacitanceAfterTemperature;
var capacitor = new Capacitor("C1", "OUT", "0", capacitance);
var model = new CapacitorModel("model C1");
model.Parameters.TemperatureCoefficient1 = 1.1;
model.Parameters.TemperatureCoefficient2 = 2.1;
capacitor.Model = model.Name;
// Build circuit
var ckt = new Circuit(
model,
capacitor,
new Resistor("R1", "IN", "OUT", resistorResistance),
new VoltageSource("V1", "IN", "0", dcVoltage));
// Create simulation, exports and references
var tran = new Transient("tran", 1e-8, 10e-6);
tran.TimeParameters.InitialConditions["OUT"] = 0.0;
tran.BeforeTemperature += (sender, args) =>
{
var state = tran.GetState <ITemperatureSimulationState>();
((TemperatureSimulationState)state).Temperature = Constants.CelsiusKelvin + 30.0;
};
IExport <double>[] exports = { new RealPropertyExport(tran, "C1", "v") };
Func <double, double>[] references = { t => dcVoltage * (1.0 - Math.Exp(-t / tau)) };
// Run
AnalyzeTransient(tran, ckt, exports, references);
DestroyExports(exports);
}
public override Context.Models.Model Generate(string id, string type, ParameterCollection parameters, ICircuitContext context)
{
switch (type.ToLower())
{
case "res":
case "r":
var model = new ResistorModel(id);
SetParameters(context, model, parameters);
return(new Context.Models.Model(id, model, model.Parameters));
case "c":
var model2 = new CapacitorModel(id);
SetParameters(context, model2, parameters);
return(new Context.Models.Model(id, model2, model2.Parameters));
}
return(null);
}
public void When_CapacitorIsTemperatureInvariant_Expect_Reference()
{
/*
* A test for a lowpass RC circuit (DC voltage, resistor, capacitor)
* The initial voltage on capacitor is 0V. The result should be an exponential converging to dcVoltage.
* TC1 and TC2 of capacitor is 0.
* Temperature is 30 degrees.
*/
double dcVoltage = 10;
var resistorResistance = 10e3; // 10000;
var capacitance = 1e-6; // 0.000001;
var tau = resistorResistance * capacitance;
var capacitor = new Capacitor("C1", "OUT", "0", capacitance);
var model = new CapacitorModel("model C1");
model.ParameterSets.Get <ModelBaseParameters>().TemperatureCoefficient1.Value = 0.0;
model.ParameterSets.Get <ModelBaseParameters>().TemperatureCoefficient2.Value = 0.0;
capacitor.Model = model.Name;
// Build circuit
var ckt = new Circuit(
model,
capacitor,
new Resistor("R1", "IN", "OUT", resistorResistance),
new VoltageSource("V1", "IN", "0", dcVoltage));
// Create simulation, exports and references
var tran = new Transient("tran", 1e-8, 10e-6);
tran.Configurations.Get <TimeConfiguration>().InitialConditions["OUT"] = 0.0;
tran.BeforeTemperature += (sender, args) =>
{
((BaseSimulationState)args.State).Temperature = Constants.CelsiusKelvin + 30.0;
};
Export <double>[] exports = { new RealPropertyExport(tran, "C1", "v") };
Func <double, double>[] references = { t => dcVoltage * (1.0 - Math.Exp(-t / tau)) };
// Run
AnalyzeTransient(tran, ckt, exports, references);
DestroyExports(exports);
}
public override SpiceSharp.Components.Model Generate(string id, string type, ParameterCollection parameters, ICircuitContext context)
{
SpiceSharp.Components.Model model = null;
switch (type.ToLower())
{
case "res":
case "r":
model = new ResistorModel(id);
break;
case "c":
model = new CapacitorModel(id);
break;
}
if (model != null)
{
SetParameters(context, model, parameters);
}
return(model);
}
/// <summary>
/// Generates a new capacitor.
/// </summary>
/// <param name="name">Name of capacitor to generate.</param>
/// <param name="parameters">Parameters and pins for capacitor.</param>
/// <param name="context">Reading context.</param>
/// <returns>
/// A new instance of capacitor.
/// </returns>
protected SpiceSharp.Components.IComponent GenerateCap(string name, ParameterCollection parameters, ICircuitContext context)
{
if (parameters.Count == 3)
{
// CXXXXXXX N1 N2 VALUE
var evalContext = context.Evaluator.GetEvaluationContext();
var something = parameters[2];
string expression = null;
if (something is AssignmentParameter asp)
{
expression = $"({asp.Value}) * x";
}
else
{
expression = $"({something.Image}) * x";
}
if (evalContext.HaveSpiceProperties(expression) || evalContext.HaveFunctions(expression))
{
BehavioralCapacitor behavioralCapacitor = new BehavioralCapacitor(name);
context.CreateNodes(behavioralCapacitor, parameters.Take(BehavioralCapacitor.BehavioralCapacitorPinCount));
behavioralCapacitor.Parameters.Expression = expression;
behavioralCapacitor.Parameters.ParseAction = (expression) =>
{
var parser = new ExpressionParser(context.Evaluator.GetEvaluationContext(null), false, context.CaseSensitivity);
return(parser.Resolve(expression));
};
evalContext.Parameters.Add("x", new SpiceSharpParser.Common.Evaluation.Expressions.ConstantExpression(1));
if (evalContext.HaveFunctions(expression))
{
context.SimulationPreparations.ExecuteActionBeforeSetup((simulation) =>
{
behavioralCapacitor.Parameters.Expression = expression.ToString();
behavioralCapacitor.Parameters.ParseAction = (expression) =>
{
var parser = new ExpressionParser(context.Evaluator.GetEvaluationContext(simulation), false, context.CaseSensitivity);
return(parser.Resolve(expression));
};
});
}
evalContext.Parameters.Remove("x");
return(behavioralCapacitor);
}
}
var capacitor = new Capacitor(name);
context.CreateNodes(capacitor, parameters);
// Get TC Parameter
Parameter tcParameter = parameters.FirstOrDefault(
p => p is AssignmentParameter ap && ap.Name.Equals(
"tc",
false ? StringComparison.CurrentCulture : StringComparison.CurrentCultureIgnoreCase));
if (tcParameter != null)
{
parameters.Remove(tcParameter);
}
bool modelBased = false;
if (parameters.Count == 3)
{
// CXXXXXXX N1 N2 VALUE
if (parameters[2] is ValueParameter)
{
context.SetParameter(capacitor, "capacitance", parameters.Get(2), true, false);
}
else
{
context.Result.Validation.Add(
new ValidationEntry(
ValidationEntrySource.Reader,
ValidationEntryLevel.Warning,
$"Wrong parameter value for capacitance",
parameters.LineInfo));
return(null);
}
}
else
{
// CXXXXXXX N1 N2 <VALUE> <MNAME> <L=LENGTH> <W=WIDTH> <IC=VAL>
// Examples:
// CMOD 3 7 CMODEL L = 10u W = 1u
// CMOD 3 7 CMODEL L = 10u W = 1u IC=1
// CMOD 3 7 1.3 IC=1
if (parameters[2] is ValueParameter)
{
context.SetParameter(capacitor, "capacitance", parameters.Get(2), true, false);
}
else
{
context.SimulationPreparations.ExecuteActionBeforeSetup((simulation) =>
{
context.ModelsRegistry.SetModel(
capacitor,
simulation,
parameters.Get(2),
$"Could not find model {parameters.Get(2)} for capacitor {name}",
(Context.Models.Model model) => capacitor.Model = model.Name,
context.Result);
});
modelBased = true;
}
SetParameters(context, capacitor, parameters.Skip(3), true);
if (modelBased)
{
var bp = capacitor.GetParameterSet <ModelParameters>();
/*if (bp == null || !bp.Length.Given)
* {
* context.Result.Validation.Add(new ValidationEntry(ValidationEntrySource.Reader,
* ValidationEntryLevel.Warning,
* $"L needs to be specified", parameters.LineInfo));
* return null;
* }*/
}
}
if (tcParameter != null)
{
var tcParameterAssignment = tcParameter as AssignmentParameter;
if (tcParameterAssignment == null)
{
context.Result.Validation.Add(
new ValidationEntry(
ValidationEntrySource.Reader,
ValidationEntryLevel.Warning,
$"TC needs to be assignment parameter",
parameters.LineInfo));
return(null);
}
if (modelBased)
{
var model = context.ModelsRegistry.FindModelEntity(parameters.Get(2).Image);
if (tcParameterAssignment.Values.Count == 2)
{
context.SetParameter(model, "tc1", tcParameterAssignment.Values[0], true, false);
context.SetParameter(model, "tc2", tcParameterAssignment.Values[1], true, false);
}
else
{
context.SetParameter(model, "tc1", tcParameterAssignment.Value);
}
context.Result.AddEntity(model);
capacitor.Model = model.Name;
}
else
{
var model = new CapacitorModel(capacitor.Name + "_default_model");
if (tcParameterAssignment.Values.Count == 2)
{
context.SetParameter(model, "tc1", tcParameterAssignment.Values[0], true, false);
context.SetParameter(model, "tc2", tcParameterAssignment.Values[1], true, false);
}
else
{
context.SetParameter(model, "tc1", tcParameterAssignment.Value);
}
context.ModelsRegistry.RegisterModelInstance(new Context.Models.Model(model.Name, model, model.Parameters));
context.Result.AddEntity(model);
capacitor.Model = model.Name;
}
}
return(capacitor);
}
/// <summary>
/// Generates a new capacitor.
/// </summary>
/// <param name="name">Name of capacitor to generate.</param>
/// <param name="parameters">Parameters and pins for capacitor.</param>
/// <param name="context">Reading context.</param>
/// <returns>
/// A new instance of capacitor.
/// </returns>
protected SpiceSharp.Components.Component GenerateCap(string name, ParameterCollection parameters, ICircuitContext context)
{
var capacitor = new Capacitor(name);
context.CreateNodes(capacitor, parameters);
// Get TC Parameter
Parameter tcParameter = parameters.FirstOrDefault(
p => p is AssignmentParameter ap && ap.Name.Equals(
"tc",
context.CaseSensitivity.IsEntityParameterNameCaseSensitive ? StringComparison.CurrentCulture : StringComparison.CurrentCultureIgnoreCase));
if (tcParameter != null)
{
parameters.Remove(tcParameter);
}
bool modelBased = false;
if (parameters.Count == 3)
{
// CXXXXXXX N1 N2 VALUE
if (parameters[2] is ExpressionParameter || parameters[2] is ValueParameter)
{
context.SetParameter(capacitor, "capacitance", parameters.Get(2));
}
else
{
context.Result.Validation.Add(new ValidationEntry(ValidationEntrySource.Reader,
ValidationEntryLevel.Warning,
$"Wrong parameter value for capacitance", parameters.LineInfo));
return(null);
}
}
else
{
// CXXXXXXX N1 N2 <VALUE> <MNAME> <L=LENGTH> <W=WIDTH> <IC=VAL>
// Examples:
// CMOD 3 7 CMODEL L = 10u W = 1u
// CMOD 3 7 CMODEL L = 10u W = 1u IC=1
// CMOD 3 7 1.3 IC=1
if (parameters[2] is ExpressionParameter || parameters[2] is ValueParameter)
{
context.SetParameter(capacitor, "capacitance", parameters.Get(2));
}
else
{
context.SimulationPreparations.ExecuteActionBeforeSetup((simulation) =>
{
context.ModelsRegistry.SetModel(
capacitor,
simulation,
parameters.Get(2),
$"Could not find model {parameters.Get(2)} for capacitor {name}",
(CapacitorModel model) => capacitor.Model = model.Name,
context.Result);
});
modelBased = true;
}
SetParameters(context, capacitor, parameters.Skip(3), true);
if (modelBased)
{
var bp = capacitor.ParameterSets[typeof(SpiceSharp.Components.CapacitorBehaviors.BaseParameters)] as SpiceSharp.Components.CapacitorBehaviors.BaseParameters;
if (bp == null || !bp.Length.Given)
{
context.Result.Validation.Add(new ValidationEntry(ValidationEntrySource.Reader,
ValidationEntryLevel.Warning,
$"L needs to be specified", parameters.LineInfo));
return(null);
}
}
}
if (tcParameter != null)
{
var tcParameterAssignment = tcParameter as AssignmentParameter;
if (tcParameterAssignment == null)
{
context.Result.Validation.Add(new ValidationEntry(ValidationEntrySource.Reader,
ValidationEntryLevel.Warning,
$"TC needs to be assignment parameter", parameters.LineInfo));
return(null);
}
if (modelBased)
{
var model = context.ModelsRegistry.FindModel <CapacitorModel>(parameters.Get(2).Image);
if (tcParameterAssignment.Values.Count == 2)
{
context.SetParameter(model, "tc1", tcParameterAssignment.Values[0]);
context.SetParameter(model, "tc2", tcParameterAssignment.Values[1]);
}
else
{
context.SetParameter(model, "tc1", tcParameterAssignment.Value);
}
context.Result.AddEntity(model);
capacitor.Model = model.Name;
}
else
{
var model = new CapacitorModel(capacitor.Name + "_default_model");
if (tcParameterAssignment.Values.Count == 2)
{
context.SetParameter(model, "tc1", tcParameterAssignment.Values[0]);
context.SetParameter(model, "tc2", tcParameterAssignment.Values[1]);
}
else
{
context.SetParameter(model, "tc1", tcParameterAssignment.Value);
}
context.ModelsRegistry.RegisterModelInstance(model);
context.Result.AddEntity(model);
capacitor.Model = model.Name;
}
}
return(capacitor);
}
