Devoxx4Kids workshop - Programming a humanoid robot - english version

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Information about Devoxx4Kids workshop - Programming a humanoid robot - english version
Technology

Published on February 20, 2014

Author: NicolasRigaud

Source: slideshare.net

Description

This presentation is the english translation of the Devoxx4Kids workshop that was created by Daniel De Luca (@danieldeluca). This idea is to let kids (and parents) understand how easy it is to program NAO without even a single line of code thanks to Aldebaran GUI Choregraphe.

You can find more informations about Devoxx4Kids at http://www.devoxx.com/display/4KIDS

Thanks Stephen Chin (@steveonjava) for translating the first pages ;)

NAO Programming a humanoid robot www.devoxx4kids.com

Introducing NAO • But I'll let him introduce himself! www.devoxx4kids.com 2

Choregraphe Software • NAO Visual Programming – Allows users of NAO to create and edit simple movements and interactive behaviors. • Demonstration www.devoxx4kids.com 3

NAO's Mission 1. Make NAO walk towards you and stop in front of you. 2. NAO asks you to give him the ball and asks you where to put the ball. 3. NAO looks around and finds the place you identified. 4. NAO goes ball down. www.devoxx4kids.com there, and places the 4

Preparation • • • • Start Choregraphe Create a new project Load the Library: Devoxx4Kids.cbl Place and configure boxes – Set Speech Language – Set Reco. Lang. – Tactile Head • Connect the boxes to the starting point. www.devoxx4kids.com 5

Exercise 1 • Make NAO walk towards you – Infrared Sensor (Eyes) – Sonar – Eye Color 1. Create a new box in the root plane 1. Change the Name: Walk to Person 2. Change the Image: move.png 3. Type: Flow Diagram www.devoxx4kids.com 6

Exercise 1 (continued) 2. In the new box Walk to Person 1. Make NAO stand (Stand Up) 2. Walk Tracker 1. 2. Green eyes when NAO finds you (Eye Leds) Red eyes when he doesn’t find you (Eye Leds) 3. Use NAO’s sonar 1. 2. Detect an obstacle (you) Stop the Walk Tracker 3. Link the sensor on NAO’s head to the new box www.devoxx4kids.com 7

Exercise 2 • Ask the ball – Raise right arm and open the hand – Make NAO speak – Make him understand what you say • NAO ask a question with 2 possible answers – Lower the arm and close the hand www.devoxx4kids.com 8

Exercise 2 (continued) 1. Create a new box in this plane 1. Change its name (up to you to choose) 2. Type: Flow Diagram 2. Add 2 outputs 1. 2. 3. 4. Double-click on the new box Click on the (top right) Name for output 1 : Chair Name for output 2: Box www.devoxx4kids.com 9

Exercise 2 (continued) 3. Change the color of the eyes 4. Raise NAO’s right hand (librairy) 1. Box : Raise Right Hand 5. Make NAO speak with the Say box 1. NAO must ask for the ball www.devoxx4kids.com 10

Exercise 2 (continued) 6. NAO asks where he should place the ball 1. Create a nex box • Type : Flow Diagram 2. Add a Choice box • Edit the output of the box – Rename the output answer into answer1 » Type : Number : 1 » Naturel : Punctual – Add a second output : answer2 » Type : Number : 1 » Naturel : Punctual • Double-click on the box to enter the question and the answers 3. Make NAO repeat the answer you gave him www.devoxx4kids.com 11

Exercise 2 (continued) 7. NAO lower his arm and close his hand – Go back to root plane. – Add a Close Right Hand box • Link both outputs to the box www.devoxx4kids.com 12

Exercise 3 • NAO looks for the right place where to drop the ball – Turns his head – Looks for the right NAOMARK – Says he found the right place – Says he hasn’t find the right place www.devoxx4kids.com 13

Exercise 3 (continued) 1. Create a new box in the main place 1. Change name : Research 2. Type: Flow Diagram 2. Add 1 output 1. Double-click on the new box 2. Click the (top right corner) 3. Name for the output : Found www.devoxx4kids.com 14

Exercise 3 (continued) 3. In the new box, add: 1. 2. 3. 4. 5. 6. 7. A NAOMark box A Center Head box A Move Head Left box A Move Head Right box An IF box Two Say boxes Three Wait boxes (Change timeout to 4,000000) www.devoxx4kids.com 15

Exercise 3 (continued) 4. Connect the starting input of Research box to: 1. Center Head 2. NAOMark 3. A wait box 5. Make NAO’s head turn from left (Move Head Left) to right (Move Head Right) 6. Connect the NAOMark to the IF box 1. Configure the IF box : 1. 2. Condition Operator : = Value to compare : 68 www.devoxx4kids.com 16

Exercise 3 (continued) 7. Conect the output output_then of the IF box to the Input : 1. onStop of boxes Wait, Move Head Left, Move Head Right 2. onStart of a Say box 1. 2. Use Say box to say that NAO has found a box to drop the ball Don’t forget to make NAO say he hasn’t find any box where to drop the ball. It’s up to you to find out how to do! 8. Then get back to main plane and do the same thing for the chair (copy/paste + modifications). www.devoxx4kids.com 17

Exercise 4 • NAO goes to the required place to drop the ball – Walk to the box or the chair (NAOMARK) – Sfoot sensorsenseurs des pieds to avoid collision with box or chair – Drop the ball www.devoxx4kids.com 18

Exercise 4 (continued) 1. Create a new box in root plane: 1. Edit name: Walk to NAOMark 2. Type: Flow Diagram www.devoxx4kids.com 19

Exercise 4 (continued) 2. In the new box, add: 1. A Mark Walk Tracker box 2. A NAO facing Mark box 3. A Bumpers box 4. A Move To box 5. A Say box 6. 2 Wait boxes (Change timeout to 0,500000) 7. 2 Eye LEDs boxes 8. A Drop Ball Move Back and Sit box www.devoxx4kids.com 20

Exercise 4 (continued) 3. Connect the starting point of Walk to NAOMark box to the input of NAO facing Mark 4. Connect the output of NAO facing Mark àto the input onStart of: 1. Bumpers : 1. 2. 3. 2. NAO must walk 2 steps backward Stop all other boxes NAO must say he found the place « Im in! » Mark Walk Tracker 1. Eyes turn to blue if NAOMark is no longer detected 1. 2. 3. 2. Output: onLost connected to Input onStop NAO take a step NAO must say he has arrived « Im in » Green eyes if NAOMark is detected www.devoxx4kids.com 21

Exercise 4 (continued) 5. In the root plane, add the Drop Ball Move Back and Sit box and connect it to the Walk to NAOMark box www.devoxx4kids.com 22

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