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Automation and Robotics

Automation and Robotics. The Basics. A brief history. Golem. Yan Shi’s Automaton. Talos. !941-42 Isaac Asimov – The Three Laws of Robotics. http://www.youtube.com/watch?v=AWJJnQybZlk. What defines a robot?. Sense – a robot has to take in information about its environment

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Automation and Robotics

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  1. Automation and Robotics The Basics

  2. A brief history Golem Yan Shi’s Automaton Talos

  3. !941-42 Isaac Asimov – The Three Laws of Robotics http://www.youtube.com/watch?v=AWJJnQybZlk

  4. What defines a robot? • Sense – a robot has to take in information about its environment • Plan – a robot has to use that information to make a decision • Act – a robot needs moving parts to carry out commands

  5. XAVIER • Crane arm to pick up boxes • Video camera to get information & take pictures • Sonar sensors to find out position of objects in its path • Roamed the halls on its four-wheel base • Could be commanded over the internet • Could be programmed to take pictures, go to various offices, tell knock-knock jokes Built by Carnegie Mellon University in 1993

  6. 2 feet in diameter More than3 feet tall! Xavier is big! Touch sensors Motors Computers Cameras Laser Sonar sensors Wheels You need a lot of space to fit in all that stuff!

  7. Mobile Robots Why do robots need to move?

  8. What ways do robots move? • Rotate • Convey • Walk • Swim • Fly • Reach • Bend • Poke • Roll Snake Robot

  9. Manipulative Movement • Robots that use an arm, belt or other means to grab and maneuver objects

  10. Locomotion • Robots that can move from place to place

  11. Most robots getaround by rolling • Walking is hard – it requires balancing • Swimming only works in water • Flying requires a lot of speed and energy • Wheels and treads make moving over ground easier • They provide stability with multiple points that touch the ground

  12. Automation The use of control systems to operate devices with minimal or reduced human intervention. Used in 1946 by the Ford Motor Company

  13. Terms to know Controller (cortex) – stores programmed information, receives information from the sensors and sends instructions to actuators Sensor – a device that responds to physical stimuli (e.g. light, heat, motion, pressure) Actuator – a type of motor that is responsible for moving or controlling a mechanism or system

  14. More terms Feedback - signal from the robot equipment about conditions as they actually exist, not as the computer thinks they do. End effector - Any object attached to the robot flange (wrist) that serves a function. Load cycle time - the complete time to unload the last work-piece and load the next one.

  15. Jeep factory http://www.youtube.com/watch?v=jB_3awvUTyo http://www.youtube.com/watch?v=kpeNSamWgTU painting

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