/// <summary>
/// Set coefficient by fuzzy variable
/// </summary>
/// <param name="var">Fuzzy variable</param>
/// <param name="coeff">New value of the coefficient</param>
public void SetCoefficient(FuzzyVariable var, double coeff)
{
if (var == null)
{
_constValue = coeff;
}
else
{
_coeffs[var] = coeff;
}
}
/// <summary>
/// Get coefficient by fuzzy variable
/// </summary>
/// <param name="var">Fuzzy variable</param>
/// <returns>Coefficient's value</returns>
public double GetCoefficient(FuzzyVariable var)
{
if (var == null)
{
return(_constValue);
}
else
{
return(_coeffs[var]);
}
}
void AddSugenoFuzzyRule(
SugenoFuzzySystem fs,
FuzzyVariable fv1,
FuzzyVariable fv2,
SugenoVariable sv,
string value1,
string value2,
string result)
{
SugenoFuzzyRule rule = fs.EmptyRule();
rule.Condition.Op = OperatorType.And;
rule.Condition.ConditionsList.Add(rule.CreateCondition(fv1, fv1.GetTermByName(value1)));
rule.Condition.ConditionsList.Add(rule.CreateCondition(fv2, fv2.GetTermByName(value2)));
rule.Conclusion.Var = sv;
rule.Conclusion.Term = sv.GetFuncByName(result);
fs.Rules.Add(rule);
}
SugenoFuzzySystem CreateSystem()
{
//
// Create empty Sugeno Fuzzy System
//
SugenoFuzzySystem fsCruiseControl = new SugenoFuzzySystem();
//
// Create input variables for the system
//
FuzzyVariable fvSCPU = new FuzzyVariable("CPU", 500, 4000);
fvSCPU.Terms.Add(new FuzzyTerm("slow", new TriangularMembershipFunction(500, 1000, 1500)));
fvSCPU.Terms.Add(new FuzzyTerm("medium", new TriangularMembershipFunction(1400, 1700, 2000)));
fvSCPU.Terms.Add(new FuzzyTerm("fast", new TriangularMembershipFunction(1800, 2500, 4000)));
fsCruiseControl.Input.Add(fvSCPU);
FuzzyVariable fvCore = new FuzzyVariable("Core", 1, 8);
fvCore.Terms.Add(new FuzzyTerm("low", new TriangularMembershipFunction(1, 2, 3)));
fvCore.Terms.Add(new FuzzyTerm("medium", new TriangularMembershipFunction(3, 4, 6)));
fvCore.Terms.Add(new FuzzyTerm("high", new TriangularMembershipFunction(4, 6, 8)));
fsCruiseControl.Input.Add(fvCore);
FuzzyVariable fvRam = new FuzzyVariable("Ram", 512, 6000);
fvRam.Terms.Add(new FuzzyTerm("low", new TriangularMembershipFunction(512, 1000, 1500)));
fvRam.Terms.Add(new FuzzyTerm("medium", new TriangularMembershipFunction(1200, 2000, 3000)));
fvRam.Terms.Add(new FuzzyTerm("high", new TriangularMembershipFunction(2500, 4000, 6000)));
fsCruiseControl.Input.Add(fvRam);
FuzzyVariable fvPrice = new FuzzyVariable("Price", 70, 3500);
fvPrice.Terms.Add(new FuzzyTerm("low", new TriangularMembershipFunction(-9.0, -5.0, -1.0)));
fvPrice.Terms.Add(new FuzzyTerm("medium", new TriangularMembershipFunction(-4.0, -0.0, 4.0)));
fvPrice.Terms.Add(new FuzzyTerm("high", new TriangularMembershipFunction(1.0, 5.0, 9.0)));
fsCruiseControl.Input.Add(fvPrice);
FuzzyVariable fvBattery = new FuzzyVariable("Battery", 350, 12000);
fvBattery.Terms.Add(new FuzzyTerm("low", new TriangularMembershipFunction(350, 2000, 5000)));
fvBattery.Terms.Add(new FuzzyTerm("medium", new TriangularMembershipFunction(4000, 6000, 9000)));
fvBattery.Terms.Add(new FuzzyTerm("high", new TriangularMembershipFunction(8000, 10000, 12000)));
fsCruiseControl.Input.Add(fvBattery);
FuzzyVariable fvStorage = new FuzzyVariable("Storage", 8, 256);
fvStorage.Terms.Add(new FuzzyTerm("low", new TriangularMembershipFunction(8, 60, 100)));
fvStorage.Terms.Add(new FuzzyTerm("medium", new TriangularMembershipFunction(90, 150, 180)));
fvStorage.Terms.Add(new FuzzyTerm("high", new TriangularMembershipFunction(170, 200, 256)));
fsCruiseControl.Input.Add(fvStorage);
FuzzyVariable fvScreen1 = new FuzzyVariable("Screen1", 400, 4000);
fvScreen1.Terms.Add(new FuzzyTerm("low", new TriangularMembershipFunction(400, 1000, 1500)));
fvScreen1.Terms.Add(new FuzzyTerm("medium", new TriangularMembershipFunction(1200, 2000, 2500)));
fvScreen1.Terms.Add(new FuzzyTerm("high", new TriangularMembershipFunction(2200, 3000, 4000)));
fsCruiseControl.Input.Add(fvScreen1);
FuzzyVariable fvScreen2 = new FuzzyVariable("Screen2", 800, 4000);
fvScreen2.Terms.Add(new FuzzyTerm("low", new TriangularMembershipFunction(400, 1000, 1500)));
fvScreen2.Terms.Add(new FuzzyTerm("medium", new TriangularMembershipFunction(1200, 2000, 2500)));
fvScreen2.Terms.Add(new FuzzyTerm("high", new TriangularMembershipFunction(2200, 3000, 4000)));
fsCruiseControl.Input.Add(fvScreen2);
//
FuzzyVariable fvCamera = new FuzzyVariable("Camera", 5, 23);
fvCamera.Terms.Add(new FuzzyTerm("low", new TriangularMembershipFunction(5, 7, 12)));
fvCamera.Terms.Add(new FuzzyTerm("medium", new TriangularMembershipFunction(8, 14, 17)));
fvCamera.Terms.Add(new FuzzyTerm("high", new TriangularMembershipFunction(15, 18, 23)));
fsCruiseControl.Input.Add(fvCamera);
// Create output variables for the system
//
/* SugenoVariable svAccelerate = new SugenoVariable("Accelerate");
* svAccelerate.Functions.Add(fsCruiseControl.CreateSugenoFunction("zero", new double[] { 0.0, 0.0, 0.0 }));
* svAccelerate.Functions.Add(fsCruiseControl.CreateSugenoFunction("faster", new double[] { 0.0, 0.0, 1.0 }));
* svAccelerate.Functions.Add(fsCruiseControl.CreateSugenoFunction("slower", new double[] { 0.0, 0.0, -1.0 }));
* svAccelerate.Functions.Add(fsCruiseControl.CreateSugenoFunction("func", new double[] { -0.04, -0.1, 0.0 }));
* fsCruiseControl.Output.Add(svAccelerate);
*
* //
* // Create fuzzy rules
* //
* AddSugenoFuzzyRule(fsCruiseControl, fvSCPU, fvCore, svAccelerate, "slower", "slower", "faster");
* AddSugenoFuzzyRule(fsCruiseControl, fvSCPU, fvCore, svAccelerate, "slower", "zero", "faster");
* AddSugenoFuzzyRule(fsCruiseControl, fvSCPU, fvCore, svAccelerate, "slower", "faster", "zero");
* AddSugenoFuzzyRule(fsCruiseControl, fvSCPU, fvCore, svAccelerate, "zero", "slower", "faster");
* AddSugenoFuzzyRule(fsCruiseControl, fvSCPU, fvCore, svAccelerate, "zero", "zero", "func");
* AddSugenoFuzzyRule(fsCruiseControl, fvSCPU, fvCore, svAccelerate, "zero", "faster", "slower");
* AddSugenoFuzzyRule(fsCruiseControl, fvSCPU, fvCore, svAccelerate, "faster", "slower", "zero");
* AddSugenoFuzzyRule(fsCruiseControl, fvSCPU, fvCore, svAccelerate, "faster", "zero", "slower");
* AddSugenoFuzzyRule(fsCruiseControl, fvSCPU, fvCore, svAccelerate, "faster", "faster", "slower");*/
//
// Adding the same rules in text form
//
///////////////////////////////////////////////////////////////////
//SugenoFuzzyRule rule1 = fsCruiseControl.ParseRule("if (SpeedError is slower) and (SpeedErrorDot is slower) then (Accelerate is faster)");
//SugenoFuzzyRule rule2 = fsCruiseControl.ParseRule("if (SpeedError is slower) and (SpeedErrorDot is zero) then (Accelerate is faster)");
//SugenoFuzzyRule rule3 = fsCruiseControl.ParseRule("if (SpeedError is slower) and (SpeedErrorDot is faster) then (Accelerate is zero)");
//SugenoFuzzyRule rule4 = fsCruiseControl.ParseRule("if (SpeedError is zero) and (SpeedErrorDot is slower) then (Accelerate is faster)");
//SugenoFuzzyRule rule5 = fsCruiseControl.ParseRule("if (SpeedError is zero) and (SpeedErrorDot is zero) then (Accelerate is func)");
//SugenoFuzzyRule rule6 = fsCruiseControl.ParseRule("if (SpeedError is zero) and (SpeedErrorDot is faster) then (Accelerate is slower)");
//SugenoFuzzyRule rule7 = fsCruiseControl.ParseRule("if (SpeedError is faster) and (SpeedErrorDot is slower) then (Accelerate is faster)");
//SugenoFuzzyRule rule8 = fsCruiseControl.ParseRule("if (SpeedError is faster) and (SpeedErrorDot is zero) then (Accelerate is slower)");
//SugenoFuzzyRule rule9 = fsCruiseControl.ParseRule("if (SpeedError is faster) and (SpeedErrorDot is faster) then (Accelerate is slower)");
//fsCruiseControl.Rules.Add(rule1);
//fsCruiseControl.Rules.Add(rule2);
//fsCruiseControl.Rules.Add(rule3);
//fsCruiseControl.Rules.Add(rule4);
//fsCruiseControl.Rules.Add(rule5);
//fsCruiseControl.Rules.Add(rule6);
//fsCruiseControl.Rules.Add(rule7);
//fsCruiseControl.Rules.Add(rule8);
//fsCruiseControl.Rules.Add(rule9);
///////////////////////////////////////////////////////////////////
return(fsCruiseControl);
}
/// <summary>
/// Create a single condition
/// </summary>
/// <param name="var">A linguistic variable to which the condition is related</param>
/// <param name="term">A term in expression 'var is term'</param>
/// <param name="not">Does condition contain 'not'</param>
/// <param name="hedge">Hedge modifier</param>
/// <returns>Generated condition</returns>
public FuzzyCondition CreateCondition(FuzzyVariable var, FuzzyTerm term, bool not, HedgeType hedge)
{
return(new FuzzyCondition(var, term, not, hedge));
}
/// <summary>
/// Create a single condition
/// </summary>
/// <param name="var">A linguistic variable to which the condition is related</param>
/// <param name="term">A term in expression 'var is term'</param>
/// <param name="not">Does condition contain 'not'</param>
/// <returns>Generated condition</returns>
public FuzzyCondition CreateCondition(FuzzyVariable var, FuzzyTerm term, bool not)
{
return(new FuzzyCondition(var, term, not));
}