net.sourceforge.jFuzzyLogic.rule
Class FuzzyRuleSet

java.lang.Object
  net.sourceforge.jFuzzyLogic.rule.FuzzyRuleSet

public class FuzzyRuleSet
extends java.lang.Object

A set of fuzzy rules

Author:

pcingola@users.sourceforge.net

Field Summary

static boolean	debug Debug mode?
(package private) RuleImplicationMethod	ruleImplicationMethod Rule implication method
(package private) java.util.LinkedList<FuzzyRule>	rules A list of rules
(package private) java.util.LinkedList<Variable>	variables Every variable is listed here

Constructor Summary

FuzzyRuleSet()

Method Summary

FuzzyRuleSet	add(FuzzyRule fuzzyRule) Add a rule to this ruleSet
void	chart() Show a chart for each variable in this ruleSet
void	evaluate() Evaluate fuzzy rule set
java.lang.String	fclTree(antlr.collections.AST tree) Buils rule set based on FCL tree (parsed from an FCL file)
private Variable	fclTreeDefuzzify(antlr.collections.AST tree) Parse a tree for "Defuzzify" item
private Variable	fclTreeFuzzify(antlr.collections.AST tree) Parse a tree for "Fuzzify" item
private LinguisticTerm	fclTreeFuzzifyTerm(antlr.collections.AST tree, Variable variable) Parse a tree for "Term" item
private MembershipFunction	fclTreeFuzzifyTermGauss(antlr.collections.AST tree) Parse a tree for gaussian memebership function
private MembershipFunction	fclTreeFuzzifyTermGenBell(antlr.collections.AST tree) Parse a tree for generilized bell memebership function
private MembershipFunction	fclTreeFuzzifyTermPieceWiseLinear(antlr.collections.AST tree) Parse a tree for piece-wice linear memebership function
private MembershipFunction	fclTreeFuzzifyTermPieceWiseLinearPoints(antlr.collections.AST tree, int numberOfPoints) Parse a tree for piece-wice linear memebership function series of points
private MembershipFunction	fclTreeFuzzifyTermSigmoidal(antlr.collections.AST tree) Parse a tree for sigmoidal memebership function
private MembershipFunction	fclTreeFuzzifyTermSingleton(antlr.collections.AST tree) Parse a tree for piece-wice linear memebership function item
private MembershipFunction	fclTreeFuzzifyTermSingletons(antlr.collections.AST tree) Parse a tree for singletons memebership function
private MembershipFunction	fclTreeFuzzifyTermSingletonsPoints(antlr.collections.AST tree, int numberOfPoints) Parse a tree for singletons memebership function series of points
private MembershipFunction	fclTreeFuzzifyTermTrapetzoidal(antlr.collections.AST tree) Parse a tree for trapetzoidal memebership function
private MembershipFunction	fclTreeFuzzifyTermTriangular(antlr.collections.AST tree) Parse a tree for traingular memebership function
private void	fclTreeRuleBlock(antlr.collections.AST tree)
private void	fclTreeRuleBlockActivation(antlr.collections.AST tree) Parse rule Implication Method (or rule activation method)
private void	fclTreeRuleBlockRule(antlr.collections.AST tree, RuleConnectionMethod and, RuleConnectionMethod or) Parse rule Implication Method (or rule activation method)
private FuzzyRuleExpression	fclTreeRuleBlockRuleIf(antlr.collections.AST tree, RuleConnectionMethod and, RuleConnectionMethod or) Parse rule 'IF' (or rule's weight)
private void	fclTreeRuleBlockRuleThen(antlr.collections.AST tree, FuzzyRule fuzzyRule) Parse rule 'THEN' (or rule's weight)
private void	fclTreeRuleBlockRuleWith(antlr.collections.AST tree, FuzzyRule fuzzyRule) Parse rule 'WITH' (or rule's weight)
private void	fclTreeVariables(antlr.collections.AST tree) Parse a tree for "Variable" item (either input or output variables)
RuleImplicationMethod	getRuleImplicationMethod()
java.util.LinkedList	getRules()
Variable	getVariable(java.lang.String variableName) Get Variable by name
java.util.LinkedList<Variable>	getVariables()
static boolean	isDebug()
void	reset() Reset ruleset (should be done prior to each inference) Also create 'variables' list (if needed)
static void	setDebug(boolean debug)
void	setRuleImplicationMethod(RuleImplicationMethod ruleImplicationMethod)
void	setRules(java.util.LinkedList<FuzzyRule> rules)
FuzzyRuleSet	setVariable(java.lang.String variableName, double value) Set a variable
void	setVariables(java.util.LinkedList<Variable> consequentVariables)
java.lang.String	toString()
java.lang.String	toStringFCL()
boolean	varibleExists(java.lang.String variableName) Does this variable exist in this ruleset?

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Field Detail

debug

public static boolean debug

Debug mode?

ruleImplicationMethod

RuleImplicationMethod ruleImplicationMethod

Rule implication method

rules

java.util.LinkedList<FuzzyRule> rules

A list of rules

variables

java.util.LinkedList<Variable> variables

Every variable is listed here

Constructor Detail

FuzzyRuleSet

public FuzzyRuleSet()

Method Detail

isDebug

public static boolean isDebug()

setDebug

public static void setDebug(boolean debug)

add

public FuzzyRuleSet add(FuzzyRule fuzzyRule)

Add a rule to this ruleSet

Parameters:

fuzzyRule - : Rule to add

Returns:

this

chart

public void chart()

Show a chart for each variable in this ruleSet

evaluate

public void evaluate()

Evaluate fuzzy rule set

fclTree

public java.lang.String fclTree(antlr.collections.AST tree)

Buils rule set based on FCL tree (parsed from an FCL file)

Parameters:

tree - : Tree to use

Returns:

: RuleSet's name (or "" if no name)

fclTreeDefuzzify

private Variable fclTreeDefuzzify(antlr.collections.AST tree)

Parse a tree for "Defuzzify" item

Parameters:

tree - : Tree to parse

Returns:

Variable (old or created)

fclTreeFuzzify

private Variable fclTreeFuzzify(antlr.collections.AST tree)

Parse a tree for "Fuzzify" item

Parameters:

tree - : Tree to parse

Returns:

Variable (old or created)

fclTreeFuzzifyTerm

private LinguisticTerm fclTreeFuzzifyTerm(antlr.collections.AST tree,
                                          Variable variable)

Parse a tree for "Term" item

Parameters:

tree - : Tree to parse

Returns:

A new LinguisticTerm

fclTreeFuzzifyTermGauss

private MembershipFunction fclTreeFuzzifyTermGauss(antlr.collections.AST tree)

Parse a tree for gaussian memebership function

Parameters:

tree - : Tree to parse

Returns:

A new membership function

fclTreeFuzzifyTermGenBell

private MembershipFunction fclTreeFuzzifyTermGenBell(antlr.collections.AST tree)

Parse a tree for generilized bell memebership function

Parameters:

tree - : Tree to parse

Returns:

A new membership function

fclTreeFuzzifyTermPieceWiseLinear

private MembershipFunction fclTreeFuzzifyTermPieceWiseLinear(antlr.collections.AST tree)

Parse a tree for piece-wice linear memebership function

Parameters:

tree - : Tree to parse

Returns:

A new membership function

fclTreeFuzzifyTermPieceWiseLinearPoints

private MembershipFunction fclTreeFuzzifyTermPieceWiseLinearPoints(antlr.collections.AST tree,
                                                                   int numberOfPoints)

Parse a tree for piece-wice linear memebership function series of points

Parameters:

tree - : Tree to parse

numberOfPoints - : Number of points in this function

Returns:

A new membership function

fclTreeFuzzifyTermSigmoidal

private MembershipFunction fclTreeFuzzifyTermSigmoidal(antlr.collections.AST tree)

Parse a tree for sigmoidal memebership function

Parameters:

tree - : Tree to parse

Returns:

A new membership function

fclTreeFuzzifyTermSingleton

private MembershipFunction fclTreeFuzzifyTermSingleton(antlr.collections.AST tree)

Parse a tree for piece-wice linear memebership function item

Parameters:

tree - : Tree to parse

Returns:

A new membership function

fclTreeFuzzifyTermSingletons

private MembershipFunction fclTreeFuzzifyTermSingletons(antlr.collections.AST tree)

Parse a tree for singletons memebership function

Parameters:

tree - : Tree to parse

Returns:

A new membership function

fclTreeFuzzifyTermSingletonsPoints

private MembershipFunction fclTreeFuzzifyTermSingletonsPoints(antlr.collections.AST tree,
                                                              int numberOfPoints)

Parse a tree for singletons memebership function series of points

Parameters:

tree - : Tree to parse

numberOfPoints - : Number of points in this function

Returns:

A new membership function

fclTreeFuzzifyTermTrapetzoidal

private MembershipFunction fclTreeFuzzifyTermTrapetzoidal(antlr.collections.AST tree)

Parse a tree for trapetzoidal memebership function

Parameters:

tree - : Tree to parse

Returns:

A new membership function

fclTreeFuzzifyTermTriangular

private MembershipFunction fclTreeFuzzifyTermTriangular(antlr.collections.AST tree)

Parse a tree for traingular memebership function

Parameters:

tree - : Tree to parse

Returns:

A new membership function

fclTreeRuleBlock

private void fclTreeRuleBlock(antlr.collections.AST tree)

fclTreeRuleBlockActivation

private void fclTreeRuleBlockActivation(antlr.collections.AST tree)

Parse rule Implication Method (or rule activation method)

Parameters:

tree - : Tree to parse

fclTreeRuleBlockRule

private void fclTreeRuleBlockRule(antlr.collections.AST tree,
                                  RuleConnectionMethod and,
                                  RuleConnectionMethod or)

Parse rule Implication Method (or rule activation method)

Parameters:

tree - : Tree to parse

fclTreeRuleBlockRuleIf

private FuzzyRuleExpression fclTreeRuleBlockRuleIf(antlr.collections.AST tree,
                                                   RuleConnectionMethod and,
                                                   RuleConnectionMethod or)

Parse rule 'IF' (or rule's weight)

Parameters:

tree - : Tree to parse

fclTreeRuleBlockRuleThen

private void fclTreeRuleBlockRuleThen(antlr.collections.AST tree,
                                      FuzzyRule fuzzyRule)

Parse rule 'THEN' (or rule's weight)

Parameters:

tree - : Tree to parse

fclTreeRuleBlockRuleWith

private void fclTreeRuleBlockRuleWith(antlr.collections.AST tree,
                                      FuzzyRule fuzzyRule)

Parse rule 'WITH' (or rule's weight)

Parameters:

tree - : Tree to parse

fclTreeVariables

private void fclTreeVariables(antlr.collections.AST tree)

Parse a tree for "Variable" item (either input or output variables)

Parameters:

tree -

getRuleImplicationMethod

public RuleImplicationMethod getRuleImplicationMethod()

getRules

public java.util.LinkedList getRules()

getVariable

public Variable getVariable(java.lang.String variableName)

Get Variable by name

getVariables

public java.util.LinkedList<Variable> getVariables()

reset

public void reset()

Reset ruleset (should be done prior to each inference) Also create 'variables' list (if needed)

setRuleImplicationMethod

public void setRuleImplicationMethod(RuleImplicationMethod ruleImplicationMethod)

setRules

public void setRules(java.util.LinkedList<FuzzyRule> rules)

setVariable

public FuzzyRuleSet setVariable(java.lang.String variableName,
                                double value)

Set a variable

Parameters:

variableName - : Variable's name

value - : variable's value to be setted

Returns:

this

setVariables

public void setVariables(java.util.LinkedList<Variable> consequentVariables)

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object

toStringFCL

public java.lang.String toStringFCL()

varibleExists

public boolean varibleExists(java.lang.String variableName)

Does this variable exist in this ruleset?