fuzzy proportional integral derivative controller

Collaboration diagram for fuzzy proportional integral derivative controller:

Data Structures
struct	a_pid_fuzzy
	instance structure for fuzzy PID controller More...

Macros
#define	a_pid_fuzzy_init(ctx)
	initialize for fuzzy PID controller
#define	A_PID_FUZZY_BFUZZ(n)
	compute size of memory block for fuzzy PID controller

Typedefs
typedef struct a_pid_fuzzy	a_pid_fuzzy

Enumerations
enum	{   A_PID_FUZZY_EQU , A_PID_FUZZY_CAP , A_PID_FUZZY_CAP_ALGEBRA , A_PID_FUZZY_CAP_BOUNDED ,   A_PID_FUZZY_CUP , A_PID_FUZZY_CUP_ALGEBRA , A_PID_FUZZY_CUP_BOUNDED }
	enumeration for fuzzy PID controller operator More...

Functions
void	a_pid_fuzzy_set_opr (a_pid_fuzzy *ctx, unsigned int opr)
	set fuzzy relational operator for fuzzy PID controller
void *	a_pid_fuzzy_bfuzz (a_pid_fuzzy const *ctx)
	get memory block for fuzzy PID controller
void	a_pid_fuzzy_set_bfuzz (a_pid_fuzzy *ctx, void *ptr, a_size num)
	set memory block for fuzzy PID controller
void	a_pid_fuzzy_set_rule (a_pid_fuzzy *ctx, unsigned int nrule, a_real const *me, a_real const *mec, a_real const *mkp, a_real const *mki, a_real const *mkd)
	set rule base for fuzzy PID controller
void	a_pid_fuzzy_set_kpid (a_pid_fuzzy *ctx, a_real kp, a_real ki, a_real kd)
	set proportional integral derivative constant for fuzzy PID controller
a_real	a_pid_fuzzy_run (a_pid_fuzzy *ctx, a_real set, a_real fdb)
	compute for fuzzy PID controller
a_real	a_pid_fuzzy_pos (a_pid_fuzzy *ctx, a_real set, a_real fdb)
	compute for positional fuzzy PID controller
a_real	a_pid_fuzzy_inc (a_pid_fuzzy *ctx, a_real set, a_real fdb)
	compute for incremental fuzzy PID controller
void	a_pid_fuzzy_zero (a_pid_fuzzy *ctx)
	zeroing for fuzzy PID controller

Variables
a_real(*)(a_real, a_real)	a_pid_fuzzy_opr (unsigned int opr)
	get fuzzy relational operator for fuzzy PID controller

Detailed Description

Macro Definition Documentation

A_PID_FUZZY_BFUZZ

#define A_PID_FUZZY_BFUZZ

(

n

)

Value:

(sizeof(unsigned int) * (n) * 2 + sizeof(a_real) * (n) * (2 + (n)))

compute size of memory block for fuzzy PID controller

Parameters

[in]

n

the maximum number triggered by the rule

a_pid_fuzzy_init

#define a_pid_fuzzy_init

(

ctx

)

Value:

a_pid_fuzzy_zero(ctx)

initialize for fuzzy PID controller

Parameters

[in,out]

ctx

points to an instance of fuzzy PID controller

Enumeration Type Documentation

anonymous enum

anonymous enum

enumeration for fuzzy PID controller operator

Enumerator
A_PID_FUZZY_EQU	sqrt(a,b)*sqrt(1-(1-a)*(1-b))
A_PID_FUZZY_CAP	min(a,b)
A_PID_FUZZY_CAP_ALGEBRA	a*b
A_PID_FUZZY_CAP_BOUNDED	max(a+b-1,0)
A_PID_FUZZY_CUP	max(a,b)
A_PID_FUZZY_CUP_ALGEBRA	a+b-a*b
A_PID_FUZZY_CUP_BOUNDED	min(a+b,1)

Function Documentation

a_pid_fuzzy_bfuzz()

void * a_pid_fuzzy_bfuzz

(

a_pid_fuzzy const *

ctx

)

get memory block for fuzzy PID controller

Parameters

[in,out]

ctx

points to an instance of fuzzy PID controller

Returns

memory block for fuzzy PID controller

a_pid_fuzzy_inc()

a_real a_pid_fuzzy_inc	(	a_pid_fuzzy *	ctx,
		a_real	set,
		a_real	fdb )

compute for incremental fuzzy PID controller

Parameters

[in,out]	ctx	points to an instance of fuzzy PID controller
[in]	set	setpoint value
[in]	fdb	feedback value

Returns

output value

a_pid_fuzzy_pos()

a_real a_pid_fuzzy_pos	(	a_pid_fuzzy *	ctx,
		a_real	set,
		a_real	fdb )

compute for positional fuzzy PID controller

Parameters

[in,out]	ctx	points to an instance of fuzzy PID controller
[in]	set	setpoint value
[in]	fdb	feedback value

Returns

output value

a_pid_fuzzy_run()

a_real a_pid_fuzzy_run	(	a_pid_fuzzy *	ctx,
		a_real	set,
		a_real	fdb )

compute for fuzzy PID controller

Parameters

[in,out]	ctx	points to an instance of fuzzy PID controller
[in]	set	setpoint value
[in]	fdb	feedback value

Returns

setpoint value

a_pid_fuzzy_set_bfuzz()

void a_pid_fuzzy_set_bfuzz	(	a_pid_fuzzy *	ctx,
		void *	ptr,
		a_size	num )

set memory block for fuzzy PID controller

Parameters

[in,out]	ctx	points to an instance of fuzzy PID controller
[in]	ptr	points to a buffer at least A_PID_FUZZY_BFUZZ(num)
[in]	num	the maximum number triggered by the rule

a_pid_fuzzy_set_kpid()

void a_pid_fuzzy_set_kpid	(	a_pid_fuzzy *	ctx,
		a_real	kp,
		a_real	ki,
		a_real	kd )

set proportional integral derivative constant for fuzzy PID controller

Parameters

[in,out]	ctx	points to an instance of fuzzy PID controller
[in]	kp	proportional constant
[in]	ki	integral constant
[in]	kd	derivative constant

a_pid_fuzzy_set_opr()

void a_pid_fuzzy_set_opr	(	a_pid_fuzzy *	ctx,
		unsigned int	opr )

set fuzzy relational operator for fuzzy PID controller

Parameters

[in,out]	ctx	points to an instance of fuzzy PID controller
[in]	opr	enumeration for fuzzy PID controller operator

a_pid_fuzzy_set_rule()

void a_pid_fuzzy_set_rule	(	a_pid_fuzzy *	ctx,
		unsigned int	nrule,
		a_real const *	me,
		a_real const *	mec,
		a_real const *	mkp,
		a_real const *	mki,
		a_real const *	mkd )

set rule base for fuzzy PID controller

Parameters

[in,out]	ctx	points to an instance of fuzzy PID controller
[in]	nrule	number of order in the square matrix
[in]	me	points to e's membership function parameter table
[in]	mec	points to ec's membership function parameter table
[in]	mkp	points to Kp's rule base table which must be a square matrix
[in]	mki	points to Ki's rule base table which must be a square matrix
[in]	mkd	points to Kd's rule base table which must be a square matrix

a_pid_fuzzy_zero()

void a_pid_fuzzy_zero

(

a_pid_fuzzy *

ctx

)

zeroing for fuzzy PID controller

Parameters

[in,out]

ctx

points to an instance of fuzzy PID controller

Variable Documentation

a_pid_fuzzy_opr

a_real(*)(a_real, a_real) a_pid_fuzzy_opr(unsigned int opr)

(

unsigned int

opr

)

get fuzzy relational operator for fuzzy PID controller

Parameters

[in]

opr

enumeration for fuzzy PID controller operator

Returns

fuzzy relational operator for fuzzy PID controller