IMAT3406 Fuzzy Logic Week 10

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IMAT3406 Fuzzy LogicWeek 10

• Fuzzy Logic Applications

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• Fuzzy Logic Applications
• Digital Fuzzy Processor
• Omron was the first to launch a controller
  employing fuzzy logic for improved control and
  tuning
• Production of the world's fastest digital fuzzy
  processor (DFP) in 1990.
• Reasoning speed of 10 MFLIPS (1 Million Fuzzy
  Logic Inferences per second)

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• Applications of Fuzzy Logic to Traffic Signal
  Control
• (Budi Yulianto, Application of fuzzy logic to
  traffic signal control under mixed traffic
  conditions, tec, October 2003, pp332-335)

Input Variables for Fuzzy Logic Traffic Signal
Controller Maximum Queue Length (in metres) the
distance in metres from the stop-line over which
vehicles have queued Average Occupancy Rate ()
percentage of time that the detection area was
occupied by one or more vehicles. Output Variable
for the Controller Weight 0, 100 the degree
of green traffic signal requirement
Improvement (up to) 25 in average travel time
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of rules 16
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Rule Table/Matrix for Traffic Signal Control
Maximum Queue Length
Average Occupancy Rate
L Low, VL Very Low, VVL Very Very Low, M
Medium, H High, VH Very High, VVH Very Very
High
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More fuzzy logic applications use fuzdemos
MATLAB function

• Ball Juggler
• Water Tank (Water Level Control)
• Controlling cart and pole
• Controlling ball and beam
• Backing truck

Live Demo
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• More fuzzy logic applications http//www.aptronix.
  com/fuzzynet/index.htm

Fuzzy Washing MachineCamera AutofocusServo
Motor Force ControlGlass Melting Furnace
ControlAir Conditioner ControlReactor
ControlCAR Automatic TransmissionsDisc Drive
Spindle ServosFuzzy Automated ManufacturingTwo-S
tage Inverted Pendulum
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• Fuzzy Washing Machine

Fuzzy Controller for Washing Machine
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• Fuzzy Logic applications in Bio-Health Informatics

• Intelligent Detection of abnormal neonatal
  cerebral heomodynamics
• Cancer prognosis
• Gene identification and gene network modelling

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Intelligent Detection of abnormal neonatal
cerebral heomodynamics

• Normal baby

• Baby with severe birth asphyxia

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Cancer prognosis
Neuro-Fuzzy Rule Based System Decision on
Prognosis
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Gene identification and gene network modelling
List of genes associated with diseases/condition
Fuzzy System
Gene networks
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Fuzzy Logic Applications in MATLAB

• You can see a list of the applications in Fuzzy
  Logic Toolboxs Demo. You will be shown a couple
  of them in the lecture. However, you are advised
  to go through all the applications provided in
  the toolboxs demo
• They can be found at Help/Full Product Family
  Help/Demos/Toolboxes/Fuzzy Logic