soft_computing_in_industrial_electronics by gjjur4356

VIEWS: 8 PAGES: 11

									         APPLICATION OF
      SOFT COMPUTING
IN INDUSTRIAL ELECTRONICS



Prepared By :
An emerging collection of methodologies
which aim to exploit the tolerance for

       Uncertainty
       Imprecision
       Partial truth
In order to achieve
               Robustness
               Tractability
               Low total cost
The core methodologies
employed are

    •Fuzzy systems
        Logic captures information expressed
        verbally and permits to perform
        computations with it.


    •Neural networks
        Aspire to mimic human intuitive
        understanding of complex processes
        without mathematically modeling them
The areas of interest for application include:

  Vision and pattern        Process and
  recognition          ON-LINE   FABRIC    INSPECTION
                            system control
                       SYSTEM USING NEURAL NETWORKS,
                       FUZZY LOGIC & WAVELETS TO
                       IMPROVE TEXTILE QUALITY
  Fault diagnosis           System identification
                            and modeling
                       FUZZY ANTI-LOCK BRAKE SYSTEM
   Industrial               Data
                       FOR AUTOMOBILE INDUSTRY
   electronics              mining

                       FULLYBiomedical engineering
                               AUTOMATIC WASHING
 Human machine         MACHINES WITH NEURO-FUZZY
                       TECHNIQUES
 interface                  Power
                            electronics
 Robotics
  ON-LINE FABRIC INSPECTION SYSTEM USING
  NEURAL NETWORKS, FUZZY LOGIC & WAVELETS
  TO IMPROVE TEXTILE QUALITY

                                        Uses    a     special  lighting
Makes use of                            arrangement and a set of
                                        high-speed cameras to scan
    Advanced vision technology         fabric as it winds onto a take-
                                        up roll after weaving. A
    Neural networks
                                        computer       analyzes     the
    Fuzzy logic                        information provided by the
                                        vision       system       using
to quickly detect defects in fabrics.   sophisticated techniques that
                                        identify abnormal patterns
                                        and determine whether they
                                        should be considered defects.


Provide information that will help
   Pinpoint the factors that cause defects.
   Cut inspection costs
   Reduce the amount of off-quality production.
  FUZZY  ANTI-LOCK    BRAKE                     SYSTEM        FOR
  AUTOMOBILE INDUSTRY



Implemented in automobiles to            Electronic   control    units
                                         (ECUs), wheel speed sensors,
ensure                                   and brake modulators are
                                         major components of an ABS
    Optimal vehicle control             module. Wheel speed sensors
                                         transmit pulses to the ECU
    Minimal stopping distances          with a frequency proportional
                                         to wheel speed. The ECU then
during hard or emergency braking.        processes this information
                                         and regulates the brake
                                         accordingly.


Provide information that will help
   Automatic braking for collision avoidance
   Adaptive cruise control
   Chassis control.
 A typical
ABS Block diagram:




Developed by:
 Intel Corporation having technology agreement with
 Inform Software Corporation
  FULLY AUTOMATIC WASHING MACHINES WITH
  NEURO-FUZZY TECHNIQUES


Two subsystems of the machine:           The sensor system provides
                                         external input signals into the
    the sensor mechanism                machine from which decisions
                                         can be made. The controller
    the controller unit.                unit makes the decisions and
                                         transmits signal to the outside
                                         world by some form of output.




The design process can be extended to other control
variables such as water level and spin speed.
Fuzzy controllers are implemented inload-weight, fabric-
mix, and dirt sensors which automatically set the wash cycle
for the best use of power, water, and detergent.
AUTOFOCUSING CAMERA WITH FUZZY CONTROL
SYSTEM

A charge-coupled device (CCD) to
   measure the clarity of the image
   track the rate of change of lens movement during
   focusing
   controls the speed to prevent overshoot.

INDUSTRIAL AIR CONDITIONER USING NEURO-
FUZZY SYSTEM
The fuzzy controller
   heats and cools faster
   reduces power consumption
   increases temperature stability
        SOFT COMPUTING:
 GLIMPSE INTO THE FUTURE


A shift in aims of computing
     reflects the fact that human
mind       possesses an    ability     to
process    information     which        is
imprecise,      uncertain and     lacking
categoricity.

								
To top