zeus::TFuzzySet Class Reference

#include <FuzzySet.h>

Inheritance diagram for zeus::TFuzzySet:

Public Types
enum	EFuzzyNorm { etZadeh, etProdConnect, etLukasiewiez, etYager }
enum	EDefuzzyMethod {   etCenterOfGrapvity, etIndexedCenterOfGravity, etCenterOfSums, etFirstOfMaximum,   etMiddleOfMaximum, etLastOfMaximum }

Public Member Functions
	TFuzzySet (Int iResolution=100)
	TFuzzySet (const TFuzzySet &set)
virtual	~TFuzzySet ()
void	initTrapezodial (const Float &rfX1, const Float &rfX2, const Float &rfX3, const Float &rfX4)
void	initGaussianSyn (const Float &rfA, const Float &rfWhm)
void	initGaussianAsyn (const Float &rfA, const Float &rfWhm1, const Float &rfWhm2)
void	initSigmodial (const Float &rfA, const Float &rfB)
Float	getValue (Int iIndex) const
Float	getMemberShip (const Float &rfX) const
Int	getResolution () const
void	setValue (Int iIndex, const Float &rfValue)
virtual Float	getDefuzzificationValue (EDefuzzyMethod eMethod=etCenterOfGrapvity, const Float &rfParam=1.0) const
virtual TFuzzySet	unionS (const TFuzzySet &set, EFuzzyNorm eNorm=etZadeh, const Float &rfParam=1.0) const
virtual TFuzzySet	intersectS (const TFuzzySet &set, EFuzzyNorm eNorm=etZadeh, const Float &rfParam=1.0) const
virtual TFuzzySet	notS () const
virtual TFuzzySet	concentrate () const
virtual TFuzzySet	dilate () const
virtual TFuzzySet	intense () const
virtual TFuzzySet	lingVery () const
virtual TFuzzySet	lingMoreOrLess () const
virtual TFuzzySet	lingVeryVery () const
virtual TFuzzySet	lingNotVery () const
virtual TFuzzySet	lingMore () const
virtual TFuzzySet	lingLess () const
TFuzzySet &	operator= (const TFuzzySet &set)
bool	operator== (const TFuzzySet &set) const

Protected Member Functions
Float	sum () const

Protected Attributes
TArrayList< Float >	m_lstValues
	Array of Values. More...
Int	m_iResolution
	Resolution of the set. More...

Detailed Description

This class defines a fuzzy set and all operators used to modify and transform the set. The set is used together with the TFuzzyLogic.

Member Enumeration Documentation

EDefuzzyMethod

enum zeus::TFuzzySet::EDefuzzyMethod

Enumeration to spezify the way how to calculate the defuzzification

Enumerator
etCenterOfGrapvity	Gets the defuzzification value as the center of gravity
etIndexedCenterOfGravity	Gets the defuzzification value as the center of gravity
etCenterOfSums	Gets the defuzzification value as the center of the sum
etFirstOfMaximum	Gets the defuzzification value as the first maximum value
etMiddleOfMaximum	Gets the defuzzification value as the middle of all maximum values
etLastOfMaximum	Gets the defuzzification value as the last maximum value

EFuzzyNorm

enum zeus::TFuzzySet::EFuzzyNorm

Enumeration to specify the way how the fuzzy set will be computed

Enumerator
etZadeh	Uses the connectivities of Zadeh
etProdConnect	Uses the product connectivities
etLukasiewiez	Uses the multi value logic of Lukasiewiez
etYager	Uses the connectivities of Yager

Constructor & Destructor Documentation

TFuzzySet() [1/2]

TFuzzySet::TFuzzySet

(

Int

iResolution = 100

)

Creates a fuzzy set

Parameters

res	: Resolution of the set.

TFuzzySet() [2/2]

TFuzzySet::TFuzzySet

(

const TFuzzySet &

set

)

Copy constructor of the fuzzy set

Parameters

set	: Object to copy

~TFuzzySet()

TFuzzySet::~TFuzzySet ( )

virtual

Destroys the fuzzy set

Member Function Documentation

concentrate()

TFuzzySet TFuzzySet::concentrate ( ) const

virtual

Operator to concentrate a fuzzy set

Returns

concentrated set

dilate()

TFuzzySet TFuzzySet::dilate ( ) const

virtual

Operator to dilate a fuzzy set

Returns

dilated set

getDefuzzificationValue()

Float TFuzzySet::getDefuzzificationValue ( EDefuzzyMethod  eMethod = etCenterOfGrapvity, const Float &  rfParam = 1.0  ) const

virtual

Gets a defuzzificated value

Parameters

eMethod	: Method tu use to get the defuzzification value
rfParam	: used for dmIndexedCenterOfGravity as a threshold

Returns

defuzzificated value

getMemberShip()

Float TFuzzySet::getMemberShip

(

const Float &

rfX

)

const

Gets the membership of a value. The variable x must be between 0 and 1.

Parameters

rfX

: value

Returns

membership

getResolution()

Int zeus::TFuzzySet::getResolution ( ) const

inline

Returns the resolution of a fuzzy set

Returns

Resolution

getValue()

Float zeus::TFuzzySet::getValue ( Int  iIndex ) const

inline

Gets the value of the fuzzy set at position index

Parameters

iIndex

: Value position

Returns

value

initGaussianAsyn()

void TFuzzySet::initGaussianAsyn	(	const Float &	rfA,
		const Float &	rfWhm1,
		const Float &	rfWhm2
	)

Initialises the set using the asynchron gaussian function

initGaussianSyn()

void TFuzzySet::initGaussianSyn	(	const Float &	rfA,
		const Float &	rfWhm
	)

Initialises the set using the synchron gaussian function

initSigmodial()

void TFuzzySet::initSigmodial	(	const Float &	rfA,
		const Float &	rfB
	)

Initialises the set using the sigmodial function

initTrapezodial()

void TFuzzySet::initTrapezodial	(	const Float &	rfX1,
		const Float &	rfX2,
		const Float &	rfX3,
		const Float &	rfX4
	)

Initialises the set using the trapezodial function.

Parameters

rfX1	: Beginning of the positive slope
rfX2	: End of the positive slope
rfX3	: Beginning of the negative slope
rfX4	: End of the negative slope

intense()

TFuzzySet TFuzzySet::intense ( ) const

virtual

Operator to intense a fuzzy set

Returns

intensed set

intersectS()

TFuzzySet TFuzzySet::intersectS ( const TFuzzySet &  set, EFuzzyNorm  eNorm = etZadeh, const Float &  rfParam = 1.0  ) const

virtual

Creates the intersection of two fuzzy sets (1st set is this, 2nd set is [set]

Parameters

set	: 2nd set
eNorm	: Norm how to get the intersection of two sets
rfParam	: Used by the norm fnYager

Returns

new Fuzzy set

lingLess()

TFuzzySet TFuzzySet::lingLess ( ) const

virtual

Linguistic modifier LESS of a fuzzy set

lingMore()

TFuzzySet TFuzzySet::lingMore ( ) const

virtual

Linguistic modifier MORE of a fuzzy set

lingMoreOrLess()

TFuzzySet zeus::TFuzzySet::lingMoreOrLess ( ) const

inlinevirtual

Linguistic modifier MOR OR LESS of a fuzzy set

lingNotVery()

TFuzzySet zeus::TFuzzySet::lingNotVery ( ) const

inlinevirtual

Linguistic modifier NOT VERY of a fuzzy set

lingVery()

TFuzzySet zeus::TFuzzySet::lingVery ( ) const

inlinevirtual

Linguistic modifier VERY of a fuzzy set

lingVeryVery()

TFuzzySet zeus::TFuzzySet::lingVeryVery ( ) const

inlinevirtual

Linguistic modifier VERY VERY of a fuzzy set

notS()

TFuzzySet TFuzzySet::notS ( ) const

virtual

Operator to get the inverse of this set

Returns

inverse set

operator=()

TFuzzySet & TFuzzySet::operator=

(

const TFuzzySet &

set

)

Copy operator

Parameters

set	: Set to copy

Returns

the copied set

operator==()

bool TFuzzySet::operator==

(

const TFuzzySet &

set

)

const

Equals operator

Parameters

set	: Set to check if equal

Return values

true	: Set is equal
false	: Set is not equal

setValue()

void zeus::TFuzzySet::setValue ( Int  iIndex, const Float &  rfValue  )

inline

Sets a new value to the fuzzy set

Parameters

iIndex	: Index of the value
rfValue	: new value

sum()

Float TFuzzySet::sum ( ) const

protected

Gets the sum of the Fuzzy Set

Returns

sum

unionS()

TFuzzySet TFuzzySet::unionS ( const TFuzzySet &  set, EFuzzyNorm  eNorm = etZadeh, const Float &  rfParam = 1.0  ) const

virtual

Creates the union of two fuzzy sets (1st set is this, 2nd set is [set]

Parameters

set	: 2nd set
eNorm	: Norm how to get the union
rfParam	used by the norm fnYager

Returns

new Fuzzy set

Member Data Documentation

m_iResolution

Int zeus::TFuzzySet::m_iResolution

protected

Resolution of the set.

m_lstValues

TArrayList<Float> zeus::TFuzzySet::m_lstValues

protected

Array of Values.

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The documentation for this class was generated from the following files:

• FuzzySet.h
• FuzzySet.cpp