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Introduction to Robotics Part 1

Introduction to Robotics Part 1. Direct Control Robots and Robotic systems. Systems. “ Humans must be able to create, control and monitor systems. ”. Definition. System :a group of parts/machines working together to perform a task. Two types of systems-

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Introduction to Robotics Part 1

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  1. Introduction to Robotics Part 1 Direct Control Robots and Robotic systems.

  2. Systems “Humans must be able to create, control and monitor systems.”

  3. Definition • System:a group of parts/machines working together to perform a task Two types of systems- natural-human body,weather and ecosystems.Can only be monitored by humans b. Technological-human made to solve problems

  4. Sub Systems • Smaller system(s) operating as part of a larger system. Ex. System =Laptop computer Subsystem=Keyboard, flat monitor, controller and speakers

  5. Open loop system • Open Loop System: a system designed to do a task repeatedly without being able to adjust itself. • Lamp • Mouse trap • Door handle • Clock Input Process Output

  6. Parts of a System Input: the goal you want to achieve Process: Action part of system Output: The actual result of a system Input Process Output

  7. What is a “Robot” • Robot- A machine that is able to interact with and respond to its environment. characterized by three central capabilities: the ability to Sense (input), the ability to Plan (process), and the ability to Act (output).

  8. What is Direct Control? • Direct Control- A machine or system that is unable able interact with and respond to its environment with out human involvement • In other words humans are the part of the system. • An example is an RC car. It can not move without us telling it to move.

  9. Where is the applicable?

  10. Medical Field

  11. Law Enforcement/ Military

  12. Exploration Mars Rover Sewerbot

  13. Manufacturing AND MUCH MORE!

  14. Human Robot • We will need a volunteer to be our robot. The robot will have to keep there eyes closed and move slowly during this exercise. • The robot is only allow to do what the operator tells it to do. • We also need a volunteer to control or robot.

  15. Controlling the Human Robot • Place your hand on the right shoulder of the robot to move the robot right. • Place hand on the left shoulder to move the robot left. • Place hands on both the left and right should to move the robot forward. • The robot is only allowed to move when the controller give it a command. • Lets try it out!

  16. Closed loop system Closed Loop System: designed to do a task and check for errors, then it will try to correct the errors. Process Input Output Car follows black line Vehicle uses motors to move forward and follow black line • Drive motor B & C forward • Wait for darker • -Drive motor A backward • -Wait for lighter Feedback/Monitor Robot checks for black line

  17. Feedback/Monitor • Compares the output to the input. If the output does not match the input this device will modify the process so that our desired result occurs.

  18. Modern Feedback Loops • Made up of three parts • Sensors-used to observe output of the system(monitor) • Comparators- compares actual output to the command input (compare) • Controllers- Modifies the process by turning it on and off or by adjusting it (adjust)

  19. Sensor types:(monitor) Thermal electrical optical mechanical magnetic

  20. Comparators:(Compare) Human brain- Decides Transducer- senses and compares Computer/computer chip- Artificial intelligence

  21. Controllers- adjust the process Human operator electrical mechanical hydraulics pneumatics

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