CIM

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sensors and simulation

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CIM

  1. 1. WELCOME<br /> SOORAJ VRROL NO : 25S6, PE..<br />
  2. 2. COMPUTER INTEGRATED MANUFACTURING<br />TOPIC<br /><ul><li>SENSORS
  3. 3. SIMULATION</li></li></ul><li>CONTENT<br /><ul><li>SENSORS
  4. 4. TYPE OF SENSORS
  5. 5. APPLICATION OF SENSORS
  6. 6. SIMULATION
  7. 7. TYPE OF SIMULATION
  8. 8. SIMULATION METHODOLOGY
  9. 9. SIMULATION LANGUAGES AND ITS APPLICATONS</li></li></ul><li>SENSORS<br />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. <br />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. <br />A Thermocouple converts temperature to an output voltage which can be read by a voltmeter. <br />For accuracy, most sensors are calibrated against known standards<br />
  10. 10. What is sensor?<br />Non-electrical physical quantity: temperature , sound or light<br />sensors<br />Electrical signal<br />
  11. 11. TYPES OF SENSORS<br />
  12. 12. APPLICATION OF SENSORS<br /><ul><li>Robotics
  13. 13. Mechanical industry
  14. 14. Aerospace
  15. 15. Electrical and electronicsetc…</li></li></ul><li>sensors<br />
  16. 16. <ul><li>It is a technology, based on computer applications, intended to study the model of this real world system by numerical evaluation software.
  17. 17. 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.</li></ul>SIMULATION<br />
  18. 18. Types of simulation<br />Static or dynamic <br />Continuous or discrete<br />Deterministic or stochastic <br />
  19. 19. <ul><li>Static or dynamic simulation</li></ul>In static simulation time does not have a role.<br />In dynamic simulation time have a role. The most of the manufacturing system are time dependent are hence dynamic<br />
  20. 20. <ul><li>Continuous or discrete simulation</li></ul>System in which continuously varies with time.<br />Eg: refinery, themal power plant and plate glass manufacturing where production is continuous but may fluctuate over time.<br />An automotive assembly plant is more or less a continuous system.<br />A job shop where batch quantity may vary from one to many is a discrete manufacturing plant<br />Eg: machine tool, motor, pumps etc<br />Mixed continuous –discrete system: combination of both<br />
  21. 21. <ul><li>DITERMINISTIC OR STOCHASTIC
  22. 22. System which have no random input is are DETERMINSTIC.
  23. 23. A system which have random input is are STOCHASTIC .
  24. 24. EG: A design bureau , a rapid prototyping shop.</li></li></ul><li>
  25. 25. SIMULATION METHODOLOGY<br />GENERAL PURPOSE SIMULATION LANGUAGES<br />SIMULATION LANGUAGES<br />HIGH LEVEL SIMULATOR<br />
  26. 26. <ul><li>GENERAL PURPOSE LANGUAGES</li></ul>The programs can be written in the high level languages like FORTRAN , C. This approach was popular when simulation languages is not available.<br />The advantage of this approach is the opportunity to design the system to specific application in the customized manner.<br />Disadvantage: very long, time consuming, error prone<br />
  27. 27. <ul><li>SIMULATION LANGUAGES</li></ul>General Purpose Simulation System(GPSS) is one language mainly used for simulation.<br />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.<br />Includes integers ,real numbers ,strings and records.<br />SIMSCRIPT, SLAM, SIMAN…were latest languages<br />These are very flexible to simulate variety of system<br />
  28. 28. <ul><li>HIGH LEVEL LANGUAGES</li></ul>In addition to above mentioned type ,this is more powerful to graphics user interface, menu and dialog boxes.<br />Standard constructs enable the user to model a system quickly . This make model creation faster.<br />Facility for dynamic graphic animation gives the user to visualize the actual working of the system.<br />
  29. 29. <ul><li>Simulation software packages
  30. 30. Analytica
  31. 31. Automod
  32. 32. Autoshed
  33. 33. Crystal Ball
  34. 34. GPSS
  35. 35. MAST
  36. 36. SIGMA
  37. 37. SIMAN
  38. 38. SAIL</li></li></ul><li>Advantages of simulation<br />Inexpensive<br />Effective<br />Faster<br />Reduce error<br />Evaluation of performance<br />Scheduling <br />Reduce time to market<br />
  39. 39. APPLICATION OF SIMULATION<br />safety engineering<br />Testing<br />scientific modeling<br />Automotive industry<br />Aero space <br />Civil design<br />
  40. 40. THANK YOU…<br /> SOORAJ VR<br /> ROLL NO : 25<br /> S6, PE<br />

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