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    Robotics.fair Robotics.fair Presentation Transcript

    • ROBOTICS BY S.K.Venkat Raman & B. Sukumar Dept. of Computer Science, Senthamarai College of Arts & Science, V.R.S Garden, Madurai-625 021.
    • CONTENTS
        • Robotics
        • What is Robotics ?
        • Laws of Robotics
        • Types of robots
        • Why Robotics is Needed?
        • Components of robots
        • Industries Using Robotics
        • Advantages
        • Future prospects
        • Conclusion
    • ROBOTICS
        • It is a field of Engineering that covers the mimicking of human behavior.
        • Robotics includes the knowledge of Mechanical, Electronics,
        • Electrical & Computer Science
        • Engineering.
      • Robota (Czech) = A worker of forced labour
      • The word robotics is used to collectively define a field in engineering that
      • covers the mimicking of
      • various human characteristics
      • Historical Robots include:
        • Mechanical automata
        • Motor-driven automata
        • Computer-controlled robots
      WHAT IS ROBOTICS
    • WHAT A ROBOT CAN MEAN ?
        • An automatic industrial machine replacing the human in hazardous work.
        • An automatic mobile sweeper machine at a modern home.
        • An automatic toy car for a child to play with.
        • A machine removing mines in a war field all by itself and many more…
    • TYPES OF ROBOT
        • Wheeled
        • Legged
        • Climbing
        • Flying
    • LAWS OF ROBOTICS
      • The term robotics was coined in 1940s by science fiction writer Isaac Asimov.
      • Asimov's Laws of Robotics:
        • A robot may not injure a human being, or through inaction, allow a human being to come to harm.
        • A robot must obey the orders
        • given it by human beings
        • except where such order
        • would conflict with the first Law.
        • A robot must protect its own
        • existence as long as such
        • protection does not conflict
        • with the First or Second Law.
    • WHY ROBOTICS IS NEEDED ?
        • Because
        • Of Speed.
        • It can work hazardous/dangerous
      • environment.
        • To perform repetitive
        • task.
        • Of efficiency
        • Of accuracy
        • Of adaptability
    • COMPONENTS OF ROBOTS
          • Structure
          • Power source
          • Actuation
          • Sensing
          • Manipulation
          • Locomotion
    • STRUCTURE
        • The structure of a robot is usually mostly mechanical and can be called a kinematic chain.
        • The chain is formed
        • of links (its bones),
        • actuators (its muscles),
        • and joints which can
        • allow one or more
        • degrees of freedom.
    • POWER SUPPLY
        • Suitable power supply is needed to run the motors and associated circuitry
        • Typical power requirement ranges from 3V to 24V DC
        • 220V AC supply must be modified to suit the needs of our machine
        • Batteries can also be used to run robots
        • Robots are driven by different motors :-
          • DC Motors
          • Stepper Motors
          • Servo Motors
        • DC Motors:-
          • As the name suggests, a motor which uses a DC (Direct Current) power
          • Can run in both directions
          • Speed Controllable
        • Stepper Motors:-
          • Used for measured rotation
          • Can be held at a particular position ideal for many autonomous robots requiring higher precision
        • Servo Motors :-
          • Used in closed loop control systems in which work is the control variable.
          • An integral feedback device (resolver) or devices (encoder and tachometer) are either incorporated within the servo motor or are remotely mounted, often on the load itself
    • ACTUATION
        • Actuators are the "muscles" of a robot, the parts which convert stored energy into movement.
        • The most popular actuators are electric motors.
    • Sensing
      • Human senses: sight, sound, touch,
      • taste, and smell provide us vital
      • information to function and survival
      • of robots
      • Robot sensors: measure robot
      • configuration/condition and its environment and send such information to robot controller as electronic signals (e.g., arm position, presence of toxic gas)
      • Robots often need information
      • that is beyond 5 human senses
      • (e.g., ability to see in the dark, measure radiation, measure movement that is too small or fast for the human eye to see)
    • MANIPULATION
        • Robots which must work in the real world require some way to manipulate objects; pick up, modify, destroy, or otherwise have an effect.
        • Thus the 'hands' of a robot are
        • often referred to as end effectors,
        • while the arm is referred to as
        • a manipulator.
        • Some manipulators are:
          • Mechanical Grippers
          • Vacuum Grippers
          • General purpose effectors
    • LOCOMOTION
        • It is concerned with the motion of the robot.
        • Robot contains different types of drives:-
          • Differential drive
          • Car type
          • Skid steer drive
          • Synchronous drive
          • Pivot drive
          • Articulated drive
    • DRIVE WHEELS DRIVE WHEELS DRIVE WHEELS DRIVE WHEELS NON DRIVEN WHEEL NON DRIVEN WHEEL NON DRIVEN WHEEL NON DRIVEN WHEEL Differential Drive 30
    • STEERING WHEELS STEERING WHEELS DRIVE WHEELS DRIVE WHEELS Ackerman Drive
    • DRIVRN FORWARD DRIVEN REVERSE Skid Steer Drive
    • Synchronous Drive
    • DRIVE SHAFT ROTATING PLATFORM LOWERED PLATFORM Pivot Drive
    • Pivot Linear Actuator Articulated Drive
    • Industries Using Robotics
      • Agriculture
      • Construction
      • Transportation: air, ground, rail, space, etc.
      • Military, surveillance, attack, etc.
      • Entertainment
      • Health care
      • Manufacturing
      • Mining
      • Automobile
      • Warehouses
    • ADVANTAGES
        • Revolution in Medical science and Health care systems.
        • New & wide scope in Education & Training.
        • A good help in Nuclear industry.
        • Used tremendously in Sports activities.
        • Play the role of an efficient assistance in Research and Development sciences .
        • Can very well handle household business.
    • FUTURE PROSPECTS
        • Scientists say that it is possible that a robot brain will exist by 2019 .
        • In 2009, some robots acquired various forms of semi-autonomy, including being able to find power sources on their own.
        • The Association for the
        • Advancement of Artificial
        • Intelligence has researched
        • on this problem.
    • CONCLUSION
      • Robots will soon be everywhere, in our home and at work.
      • When the Singularity happens, robots will be
      • indistinguishable from human beings and some people
      • may become
      • Cyborgs: half man and half machine
      • They will change the way we live.
    • Thank you