obstacle detection

Download Obstacle Detection

If you can't read please download the document

Post on 25-Feb-2016

42 views

Category:

Documents

1 download

Embed Size (px)

DESCRIPTION

Obstacle Detection. Introductory Presentation. Opening Activity. If you were blindfolded, what senses would you use to find things in the room?. Opening Activity. You would probably use your hands to feel around to find things by touch. - PowerPoint PPT Presentation

TRANSCRIPT

  • Obstacle DetectionIntroductory Presentation

  • Opening ActivityIf you were blindfolded, what senses would you use to find things in the room?

  • Opening ActivityYou would probably use your hands to feel around to find things by touchYour robot can detect objects with touch by using its Touch Sensor

  • The signal returns to the bat, telling it the distance to the object.Opening ActivityIf you were a bat, you would not have to run into things, or touch them, to find themA bat sends sound signals outThe sound signals bounce off objects in the surrounding area(sound)(sound)

  • Opening ActivityYour robot can also use sonar to send ultrasonic sound waves out and detect objectsThis sensor is called the Ultrasonic Sensor

  • Discussion QuestionsWhy does the Ultrasonic Sensor have two openings in the front ?One opening is for sending out the sound wavesOne opening is for receiving the returning sound waves

  • Discussion QuestionsThe Touch Sensor must touch an object in order to detect itWhat is the difference between the Ultrasonic Sensor and the Touch Sensor ?The Ultrasonic Sensor does not have to touch an object to detect it

  • ReviewIn previous activities we told the robot to wait for different conditions. Wait for the robot to hear a soundWait for the Rotation Sensor to read 720 degrees

  • PreviewNow we will tell the robot to wait for the Touch Sensor to be pressedThen we will wait for the Ultrasonic Sensor to come near an object

  • PreviewDont forget that the Ultrasonic Sensor can read both inches and centimeters, so check which one you have selected.

  • As you complete the activity, think about when you would want to use the Ultrasonic Sensor or the Touch Sensor.Preview

  • Now you have the necessary knowledge to get started in the Obstacle Detection Activity. Good Luck!

    ************

Recommended

View more >