CS607
Assignment No 3
Solution :
a) Fuzzy Input Variables:
This
proposed design of control system has four inputs: luminance intensity,
luminance mode, temperature and humidity.
b) Output variables of fuzzy
system:
Luminance
controller, air conditioner, ceiling fan, air-cooler fan, water pump and
heating unit.
c) Ranges:
Luminance
intensity (cd)
|
MF
Range
|
Luminance
Mode
|
MF
Range
|
Temperature
|
MF
Range
|
Humidity
(RH)
|
MF
Range
|
Dark
|
0-33
|
Sleep/off
|
0-33
|
Cold
|
0-15
|
wet
|
0-33
|
Low
|
0-66
|
Candle light/safety
|
0-66
|
Cool
|
15-45
|
normal
|
0-66
|
nominal
|
|
||||||
Normal
|
33-100
|
Normal working
|
33-100
|
warm
|
30-60
|
dry
|
33-100
|
Very warm
|
45-80
|
||||||
Bright
|
66-100
|
Work/study/display
|
66-100
|
hot
|
60-100
|
Very dry
|
66-100
|
Very hot
|
80-100
|
Luminance
controller
|
MF
Range
|
Air
Conditioner
|
MF
Range
|
Off
|
0-30
|
Off
|
0-20
|
Low
|
0-60
|
Fan mod
|
0-40
|
Medium
|
30-90
|
Low
|
20-60
|
High
|
60-100
|
Medium
|
40-80
|
|
|
High
|
60-100
|
|
|
Low
|
80-100
|
Ceiling
fan
|
MF
Range
|
Air
cooler fan
|
MF
Range
|
Water
pump
|
Mf
range
|
Heating
unit
|
Mf
range
|
Off
|
0-30
|
Off
|
0-50
|
Off
|
0-50
|
High
|
0-50
|
Low
|
0-60
|
Low
|
0-100
|
Low
|
0-100
|
Low
|
0-100
|
Medium
|
30-100
|
High
|
50-100
|
High
|
50-100
|
off
|
50-100
|
High
|
60-100
|
|
|
|
|
|
|
Inference rules:
Rule base for
light intensity control
Rule
no
|
input
|
|
||
Luminance mode
|
Luminance intensity
|
|||
1
|
Sleep/off
|
Dark
|
Off
|
|
2
|
Low
|
Off
|
||
3
|
Normal
|
Off
|
||
4
|
bright
|
Off
|
||
5
|
Candle
light/safety
|
Dark
|
Low
|
|
6
|
Low
|
Off
|
||
7
|
Normal
|
Off
|
||
8
|
||||
bright
|
Off
|
|||
9
|
Normal working
|
Dark
|
Medium
|
|
10
|
Low
|
Medium
|
||
11
|
Normal
|
Off
|
||
12
|
||||
bright
|
Off
|
|||
13
|
Work/study/display
|
Dark
|
High
|
|
14
|
Low
|
High
|
||
15
|
Normal
|
Medium
|
||
16
|
Bright
|
Off
|
Rule Base For Temperature And Humidity Control In The
Premises
Rule
no
|
inputs
|
outputs
|
|||||
|
temperature
|
humidity
|
Ceiling
fan
|
Air
cooler fan
|
Water
pump
|
Air conditioner
|
Heating
unit
|
17
|
Cold
|
Wet
|
Off
|
Off
|
Off
|
Off
|
High
|
18
|
Cold
|
Normal
|
Off
|
Off
|
Off
|
Off
|
High
|
19
|
Cold
|
Dry
|
Off
|
Off
|
Off
|
Off
|
Low
|
20
|
Cool
|
Wet
|
Off
|
Off
|
Off
|
Off
|
High
|
21
|
Cool
|
Normal
|
Off
|
Off
|
Off
|
Off
|
Low
|
22
|
Cool
|
Dry
|
Off
|
Off
|
Off
|
Off
|
Low
|
23
|
Nominal
|
Wet
|
Off
|
Off
|
Off
|
Off
|
Low
|
24
|
nominal
|
normal
|
off
|
off
|
off
|
off
|
Off
|
Rule Base For Temperature And Humidity Control In
Indoor Premises Containing Air-Cooler And Ceiling Fan
25
|
Worm
|
Wet
|
Off
|
Off
|
Off
|
None
|
Off
|
26
|
Worm
|
Normal
|
Low
|
Off
|
Off
|
None
|
Off
|
27
|
Very
worm
|
Normal
|
Medium
|
Off
|
Off
|
None
|
Off
|
28
|
Hot
|
Normal
|
High
|
Off
|
Off
|
None
|
Off
|
29
|
Hot
|
Dry
|
Medium
|
Low
|
Low
|
None
|
Off
|
30
|
Hot
|
Very
dry
|
Low
|
High
|
High
|
None
|
Off
|
31
|
Very
hot
|
Normal
|
Low
|
Low
|
Low
|
None
|
Off
|
32
|
Very
hot
|
Dry
|
Medium
|
High
|
High
|
None
|
Off
|
33
|
Very
hot
|
Very
dry
|
high
|
high
|
high
|
None
|
Off
|
Rule Base For Temperature And Humidity Control In
Indoor Premises Containing Air-conditioners
34
|
Worm
|
Wet
|
None
|
None
|
None
|
Off
|
Off
|
35
|
Worm
|
Normal
|
None
|
None
|
None
|
Fan mod
|
Off
|
36
|
Very
worm
|
Normal
|
None
|
None
|
None
|
Fan mod
|
Off
|
37
|
Hot
|
Normal
|
None
|
None
|
None
|
Low
|
Off
|
38
|
hot
|
Dry
|
None
|
None
|
None
|
Medium
|
Off
|
39
|
hot
|
Very dry
|
None
|
None
|
None
|
High
|
Off
|
40
|
Very hot
|
Normal
|
None
|
None
|
None
|
medium
|
off
|
41
|
Very hot
|
Very dry
|
none
|
none
|
none
|
Very high
|
off
|
42
|
Very hot
|
Very dry
|
none
|
none
|
none
|
Very high
|
off
|
Rule Base For Temperature And Humidity Control In
Indoor Premises Containing ceiling fan
44
|
Warm
|
Normal
|
Low
|
None
|
None
|
None
|
Off
|
45
|
Very warm
|
Normal
|
medium
|
None
|
None
|
None
|
Off
|
46
|
Hot
|
Normal
|
medium
|
None
|
None
|
None
|
Off
|
47
|
Hot
|
Dry
|
medium
|
None
|
None
|
None
|
Off
|
48
|
Hot
|
Very dry
|
Low
|
None
|
None
|
None
|
Off
|
49
|
Very hot
|
Normal
|
High
|
None
|
None
|
None
|
Off
|
50
|
Very hot
|
Dry
|
High
|
None
|
None
|
None
|
Off
|
51
|
Very hot
|
Very dry
|
high
|
None
|
None
|
None
|
Off
|
Rule Base For Temperature And Humidity Control In
Indoor Premises Containing Air-cooler
52
|
Warm
|
Wet
|
None
|
Off
|
Off
|
None
|
Off
|
53
|
Warm
|
Normal
|
None
|
Low
|
Off
|
None
|
Off
|
54
|
V.warm
|
Normal
|
None
|
High
|
Off
|
None
|
Off
|
55
|
Hot
|
normal
|
None
|
Low
|
Low
|
None
|
Off
|
56
|
Hot
|
Dry
|
None
|
High
|
Low
|
None
|
Off
|
57
|
Hot
|
Very dry
|
None
|
Low
|
High
|
None
|
Off
|
58
|
Very hot
|
Normal
|
None
|
High
|
Low
|
None
|
|
59
|
Very hot
|
Dry
|
None
|
High
|
High
|
None
|
Off
|
60
|
Very hot
|
Very dry
|
None
|
high
|
high
|
None
|
Off
|
e) Short summery of design algorithm
There are included
fuzzier , inference kernel connected with knowledgebase and de-fuzzier in the
proposed fuzzy logic system. The knowledgebase contains database , rule base
and membership functions. The fuzzier converts the crisp values into
Linguistics values.
The linguistics values
are manipulated for inference engine. The kernel of the system provides the
output according to the rule selector.
The rule selector
select the rules according to the knowledgebase. Knowledgebase comprises of database , rule
base and membership functions. Rule base is built up carefully considering all
possible effective situations. There have been incorporated four inputs
variables: luminance intensity, luminance mode, temperature and humidity.
There are six outputs
controlling appliances: luminance controller, air conditioner ,ceiling fan ,
air cooler fan, water pump and heating unit. There have been considered sixty
rules for the effective situations focusing energy saving . there are used
sixty operators for the rule selector. Luminance mode can be set according to
the requirement.
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