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sensors and simulation

sensors and simulation

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CIM CIM Presentation Transcript

  • WELCOME
    SOORAJ VRROL NO : 25S6, PE..
  • COMPUTER INTEGRATED MANUFACTURING
    TOPIC
    • SENSORS
    • SIMULATION
  • CONTENT
    • SENSORS
    • TYPE OF SENSORS
    • APPLICATION OF SENSORS
    • SIMULATION
    • TYPE OF SIMULATION
    • SIMULATION METHODOLOGY
    • SIMULATION LANGUAGES AND ITS APPLICATONS
  • SENSORS
    A sensor is a device that measures a physical quantity and converts it into a signal which can be read by an observer or by an instrument.
    For example, a Mercury in glass thermometer converts the measured temperature into expansion and contraction of a liquid which can be read on a calibrated glass tube.
    A Thermocouple converts temperature to an output voltage which can be read by a voltmeter.
    For accuracy, most sensors are calibrated against known standards
  • What is sensor?
    Non-electrical physical quantity: temperature , sound or light
    sensors
    Electrical signal
  • TYPES OF SENSORS
  • APPLICATION OF SENSORS
    • Robotics
    • Mechanical industry
    • Aerospace
    • Electrical and electronicsetc…
  • sensors
    • It is a technology, based on computer applications, intended to study the model of this real world system by numerical evaluation software.
    • It is carried out to evaluate the performance of a system, product or process before it physically built or implemented to imitate or predict the behavior of manufacturing system.
    SIMULATION
  • Types of simulation
    Static or dynamic
    Continuous or discrete
    Deterministic or stochastic
    • Static or dynamic simulation
    In static simulation time does not have a role.
    In dynamic simulation time have a role. The most of the manufacturing system are time dependent are hence dynamic
    • Continuous or discrete simulation
    System in which continuously varies with time.
    Eg: refinery, themal power plant and plate glass manufacturing where production is continuous but may fluctuate over time.
    An automotive assembly plant is more or less a continuous system.
    A job shop where batch quantity may vary from one to many is a discrete manufacturing plant
    Eg: machine tool, motor, pumps etc
    Mixed continuous –discrete system: combination of both
    • DITERMINISTIC OR STOCHASTIC
    • System which have no random input is are DETERMINSTIC.
    • A system which have random input is are STOCHASTIC .
    • EG: A design bureau , a rapid prototyping shop.
  • SIMULATION METHODOLOGY
    GENERAL PURPOSE SIMULATION LANGUAGES
    SIMULATION LANGUAGES
    HIGH LEVEL SIMULATOR
    • GENERAL PURPOSE LANGUAGES
    The programs can be written in the high level languages like FORTRAN , C. This approach was popular when simulation languages is not available.
    The advantage of this approach is the opportunity to design the system to specific application in the customized manner.
    Disadvantage: very long, time consuming, error prone
    • SIMULATION LANGUAGES
    General Purpose Simulation System(GPSS) is one language mainly used for simulation.
    Mostly declarative languages designed for discrete event simulation and system modeling. It consist of Set of blocks which includes Generators , queues , routers ,data collectors , timing and computational nodes.
    Includes integers ,real numbers ,strings and records.
    SIMSCRIPT, SLAM, SIMAN…were latest languages
    These are very flexible to simulate variety of system
    • HIGH LEVEL LANGUAGES
    In addition to above mentioned type ,this is more powerful to graphics user interface, menu and dialog boxes.
    Standard constructs enable the user to model a system quickly . This make model creation faster.
    Facility for dynamic graphic animation gives the user to visualize the actual working of the system.
    • Simulation software packages
    • Analytica
    • Automod
    • Autoshed
    • Crystal Ball
    • GPSS
    • MAST
    • SIGMA
    • SIMAN
    • SAIL
  • Advantages of simulation
    Inexpensive
    Effective
    Faster
    Reduce error
    Evaluation of performance
    Scheduling
    Reduce time to market
  • APPLICATION OF SIMULATION
    safety engineering
    Testing
    scientific modeling
    Automotive industry
    Aero space
    Civil design
  • THANK YOU…
    SOORAJ VR
    ROLL NO : 25
    S6, PE