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Сумский государственный университет

Предмет:

Микроконтроллеры ЭВМ

Файл:

Advanced control engineering (S.R. Burns, 2001)

.pdf

Скачиваний:

158

Добавлен:

12.08.2013

Размер:

2.71 Mб

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$
$

$ # # # # # # #

# # #
	µ			Medium
	1.0		Temperature
	1.0
Membership
Function	0.8
	0.8
	0.6
	0.4
	0.2
	0	10	20	30	40	50

Temperature (°C)

Medium

Temperature

1.0

Membership 0.8

Function

0.6

0.4

0.2

Universe of Discourse (Temperature (°C))

$ # $

1.0

Membership

Function	0.8
Function
	0.6	L	M
	0.4
	0.2

0	10	20	30	40	50
	Universe of Discourse (Temperature (°C))

$ # # # # #
# # # #			# #
$ # # # #			# #

# # # #

# $ # #
# # #
# # # #
#
# $ # # # # # #
# # # #

$ # # # # #
# # #


$ # # #
# # # #
# # #

	1.0	L		M
	1.0
Membership
Function	0.8				µ L+M(u)
	0.8				µ L+M(u)
	0.6
					µ L∩M(u)
	0.4
	0.2
	0	10	20	30	40	50
			Temperature (°C)

	µ
	1.0
Membership
Function	0.8					µ¬M(u)
						µ¬M(u)
	0.6
	0.4
	0.2
	0	10	20	30	40	50
			Temperature (°C)

				$
			$
			$

$ # # # #


	Data	Rule	Knowledge Base
	Base	Base	Knowledge Base
	Base	Base
	FLC
			u(t)	c(t)
r(t) +	e(t)	Fuzzy	Defuzzification	Plant
	Fuzzification	Fuzzy	Defuzzification	Plant
–	Inference
–
	Measurement
	System

$ $

$	$
$	$

µ(e) 1.0
0.8
0.6	NE	NM	NS	Z	PS	PM	PB
0.4
0.2
	–6	–4	–2	0	2 2.5	4	6
					Error (e)
µ(ce) 1.0
0.8
0.6	NE	NM	NS	Z	PS	PM	PB
0.4
0.2
	–1	–0.67	–0.33 –0.2	0	0.33	0.67	1
			Rate of Change Of Error (ce)

M M

	e
ce	NB	NM	NS	Z	PS	PM	PB
ce
NB	NB	NB	NB	NM	Z	PM	PB
NM	NB	NB	NB	NM	PS	PM	PB
NS	NB	NB	NM	NS	PS	PM	PB
Z	NB	NM	NS	Z	PS	PM	PB
PS	NB	NM	NS	PS	PM	PB	PB
PM	NB	NM	NS	PM	PB	PB	PB
PB	NB	NM	Z	PM	PB	PB	PB

µ(u) 1.0
0.8
0.6
NB	NM	NS	Z	PS	PM	PB
0.4
0.2
–9	–6	–3	0	3	6	9
			Control Signal (u)

M
$

$
$ $
M
$

$
$ $

$

$

$
$
		$
		$
	$

$ $ M

			$	#		$
			$			$
				#
		$		#		$
		$				$

$	#
					#		$
							$

µ(u) 1.0

0.8
0.6
0.4				PS
				PS
0.2						PM
–9	–6	–3	0	3	6	9
			Control Signal (u)

$ $

$ $		$
$


$
$
$

	$


$

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	e
ce	NB	NM	NS	Z	PS	PM	PB
ce
NB	NB	NB	NB	NM	Z	PM	PB
NM	NB	NB	NB	NM	PS	PM	PB
NS	NB	NB	NM	NS	PS	PM	PB
Z	NB	NM	NS	Z	PS	PM	PB
PS	NB	NM	NS	PS	PM	PB	PB
PM	NB	NM	NS	PM	PB	PB	PB
PB	NB	NM	Z	PM	PB	PB	PB

	e
ce	NB	NM	NS	Z	PS	PM	PB
ce
NB	NB	NB	NB	NM	Z	PM	PB
NM	NB	NB	NB	NM	PS	PM	PB
NS	NB	NB	NM	NS	PS	PM	PB
Z	NB	NM	NS	Z	PS	PM	PB
PS	NB	NM	NS	PS	PM	PB	PB
PM	NB	NM	NS	PM	PB	PB	PB
PB	NB	NM	Z	PM	PB	PB	PB

	e
ce	NB	NM	NS	Z	PS	PM	PB
ce
NB	NB	NB	NB	NM	Z	PM	PB
NM	NB	NB	NB	NM	PS	PM	PB
NS	NB	NB	NM	NS	PS	PM	PB
Z	NB	NM	NS	Z	PS	PM	PB
PS	NB	NM	NS	PS	PM	PB	PB
PM	NB	NM	NS	PM	PB	PB	PB
PB	NB	NM	Z	PM	PB	PB	PB