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Robotics

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Robotics

  1. 1. ROBOTICS SETHU KUMAR 10QA1A0442 IV YEAR , ECE-A
  2. 2. ROBOT  Robot is a mechatronic device which has  Brain  Sensors  Mechanical parts  Robots can predict like humans by applying ARTIFICIAL INTELLIGANCE  Sixth sense
  3. 3. WHOS AM I?  Karel capek wrote a play “R.U.R” in 1921  Russum‟s universal robots  Czech word „Robotnik‟ which means „worker‟  For the most part, the word robot today means any man made machine that performs work automatically
  4. 4. machine has to be able to do two things  Get info from surroundings  Information can be gathered using   Do something physically  Mechanical action done by using  Motor  Pistons Sensor
  5. 5. What Do Robots Do?  Laws of Robotics     No injure to mankind Obey orders Protect its own existence Must not harm human inaction or ,allows a human to come to harm  Once the robots are used to fight wars, they turn on their human owners and take over the world.
  6. 6. ROBOT SENSING  sensing mechanisms allows a robot to interact with its environment  Internal state   detection of variables such as arm joint position, used for robot control External state  deal with the detection of variables such as range, proximity and touch  Sensing  Pre-processing  Segmentation  Description  Recognition  Interpretation
  7. 7. Artificial Intelligence  Sensing  Thinking      See Touch Hear move  Human thinking (heuristic) robotic thinking (algorithmic)
  8. 8. Rise of the Robots  Human brain is about 75,000 times heavier than the 0.02 gram of processing circuitry in the retina  1000MIPS to emulate the 1,500-gram human brain  A typical PC would have to be at least a million times more powerful to perform like a human brain
  9. 9. Rise of the Robots  In 1990s a microprocessor reached 100MIPS  By 2010 we use robots as big as human with 5000MIPs in a tiny mind  Robots also can go into dangerously polluted environments, like chemical spills or radioactive
  10. 10. Generations  A first-generation universal robots  Unable to adapt to changing circumstances  they will often perform inefficiently So much physical work awaits them   A second generation of universal robot  100,000 MIPS will adapt  Slowly but surely
  11. 11. Generations  A third generation of robots  to learn very quickly from mental rehearsals  Physical properties include shape, weight, strength, texture  and how to handle them  include goals, beliefs, feelings and preferences  simple inner mental life
  12. 12. Fourth-generation universal robots  Medical diagnoses  Schedule routes  Make financial decisions  configure computer systems
  13. 13. Robot Systems  The type of job dictate what system elements it needs  The general categories of robot systems are  Controller  Body  Mobility  Power  Sensors  Tools
  14. 14. Controller  The controller is the robot's brain and controls the robot's movement  It contains    Programs Data algorithms Logic analysis  AARM motion control  Advance architecture Robot & machine motion
  15. 15. Body  It is related to the job it must perform  Space robots have many different body shapes  Sphere  Flat  Wheeled or  Legs depending up on job  The picture shows an wheeled robot
  16. 16. Mobility How do robots move? It depends on job & environment they operate in  In the Water  AUV's (automated under water vehicles)  On Land  can move around on legs, tracks or wheels  In the Air/Space  operate in the air use engines and thrusters
  17. 17. Power  robots can be electric, hydraulic or pneumatic  Hydraulic robots use oil under pressure  Electric motors are efficient and less noisy  Pneumatic robots use compressed air
  18. 18. sensors  measure physical quantities like contact            distance Light sound Strain rotation Magnetism smell temperature, inclination, pressure, altitude.
  19. 19. Tools  Robots carry all the tools they need to accomplish their tasks     Gripping device A paint gun A drill An arc welding device  Tools are unique to the robot to complete the task
  20. 20. Advantages of Robotics  Robots can do things we humans just don't want to do  And usually do it cheaper.  Robots can do things more precise than humans
  21. 21. APPLCIATONS  Industrial robots  used for welding and painting.  Laboratory robots  for many repetitive tasks in chemistry  Medical robots  Computer Assisted Surgery.  Space robots  unmanned missions to planets, comets and asteroids
  22. 22. Problems with Robotics  Robots can break and even cause disaster.  They are powerful machines that we allow to control certain things.  When something goes wrong, terrible things can happen
  23. 23. CONCLUSION  ROBOT – „THE TERMINATOR‟  The robot which terminates every job in short time has no termination

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