Sunday, 21 June 2015

Spider Challenge - Animatronic - Programming

Activity Details:
Task: Choose an animal and study its movements. Create and program a robot to demonstrate the behaviour of an animal e.g. a tail wagging puppy or a jaw snapping crocodile
Start date of task: May 20th 

  • In the beginning of the task, choosing an animal was, not so much of a challenge, but we did change our minds a few times. We had initially decided to create an elephant but as we gave it greater thought we realised that it may be too much of challenge; we went between ideas until we settled on a tarantula/spider. 
  • We initially started with the power pack as the body but upon further discussion it came to our attention that using one of the motors as a body was a drastically better option.
TRIAL 1: 

PROBLEMS WITH TRIAL:
  • the robot gears were not level or touching the floor so it couldn't move forward
  • the reversing turn can only work with two motors and only one was being used




TRIAL 2:
PROBLEMS WITH TRIAL:
  • the newly added small blue lego pegs on the bottom of the back legs raised the back of the robot to be level with the ground but it also stops the robot from reversing properly


TRIAL 3:

PROBLEMS WITH TRIAL:

  • sound sensor could only be activated after the robot had completed 15 rotations when it was supposed to be activated whenever it picked up sound when it was moving forward

PROGRAMMING UPDATES:

SPEEDING UP HORSEPOWER FROM 75 TO 100 SO THAT THE ROBOT CAN PULL THE BATTERY BACK ON IT'S OWN



TRIAL 4:

PROBLEMS WITH TRIAL:

  • similar problem to earlier sensor programming
  • the sensor cannot be activated until after 15 rotations
  • the ultrasonic sensor did not sense
  • no reverse movement was triggered

ATTEMPTS AT PROGRAMMING MORE THAN ONE SENSOR AT A TIME

TRIAL 5:

TRIAL 6: (follow left down then right down)


PROBLEMS WITH TRIAL:

  • was not programmed correctly
  • all sensors are supposed to be able to be activated at any time while moving forward
  • the switch is a useless feature programmed in this as there is no alternative option
  • the sound sensor can only be activated after the light sensor

TRIAL 7:















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