Q.3 (25%)-(CLO3/PL05) A rice cooker is an everyday used electrical appliance which is an excellent example of a temperature control system. Its objective is to control the rate of heating to have evenly cooked rice, avoid over burned rice and most importantly minus the hassle of a stove rice cooker. Figure Q.3(i) shows the diagram of the basic components of a rice cooker. Rice Container Water And Rice Heat Sensor Heating Coil Fuzzy Control Controller Signal Figure Q.3(1) (a) Draw the feedback control block diagram of the fuzzy rice cooker system by using fuzzy logic control approach. (b) Three fuzzy variables; the error, err, the rate change of error, derr, and the change in control signal (heating time), du, are used in the fuzzy controller design, as given in Figure Q.3(ii) - (iv). Each variable has three fuzzy subsets; Negative (N), Zero (Z) and Positive (P). By using typical practice of fuzzy rule base, complete the fuzzy control matrix for this system as appeared in the following table: de N N N Z Z P P
Q.3 (25%)-(CLO3/PL05) A rice cooker is an everyday used electrical appliance which is an excellent example of a temperature control system. Its objective is to control the rate of heating to have evenly cooked rice, avoid over burned rice and most importantly minus the hassle of a stove rice cooker. Figure Q.3(i) shows the diagram of the basic components of a rice cooker. Rice Container Water And Rice Heat Sensor Heating Coil Fuzzy Control Controller Signal Figure Q.3(1) (a) Draw the feedback control block diagram of the fuzzy rice cooker system by using fuzzy logic control approach. (b) Three fuzzy variables; the error, err, the rate change of error, derr, and the change in control signal (heating time), du, are used in the fuzzy controller design, as given in Figure Q.3(ii) - (iv). Each variable has three fuzzy subsets; Negative (N), Zero (Z) and Positive (P). By using typical practice of fuzzy rule base, complete the fuzzy control matrix for this system as appeared in the following table: de N N N Z Z P P
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Transcribed Image Text:Q.3 (25%)-(CLO3/PL05)
A rice cooker is an everyday used electrical appliance which is an excellent example
of a temperature control system. Its objective is to control the rate of heating to have
evenly cooked rice, avoid over burned rice and most importantly minus the hassle of
a stove rice cooker. Figure Q.3(i) shows the diagram of the basic components of a rice
cooker.
Rice Container
Water And Rice
Heat Sensor
Heating Coil
Fuzzy
Control Controller
Signal
Figure Q.3(1)
(a) Draw the feedback control block diagram of the fuzzy rice cooker system by
using fuzzy logic control approach.
(b) Three fuzzy variables; the error, err, the rate change of error, derr, and the
change in control signal (heating time), du, are used in the fuzzy controller
design, as given in Figure Q.3(ii) - (iv). Each variable has three fuzzy subsets;
Negative (N), Zero (Z) and Positive (P). By using typical practice of fuzzy rule
base, complete the fuzzy control matrix for this system as appeared in the
following table:
de
N
N
N
Z
Z
P
P
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