Development of obstacle avoidance robot with depth obstacle and color signal detector

Nasharuddin Zainal, Ahmad Fuad Zulkifli, Marlinawati Djasmir

Research output: Contribution to journalArticle

Abstract

A project is proposed to develop an obstacle avoidance robot with depth obstacle and color signal detector. The main objective is to produce an obstacle avoidance system that can avoid depth-type obstacle (i.e. holes or steep) and can react to color signal, to facilitate disabled people who suffer visual impairment. The development of the robot in this project is divided into two parts - the depth obstacle detection, and color signal detection. In depth obstacle detection part, the robot system is constructed so that it can detect height differences in the robot's track and respond by moving away from the surface with big height difference. Two types of distance sensor were considered to be used - an ultrasonic sensor, UltraSonic Range Finder Maxbotic LV-EZ, and an infrared sensor, Infrared Proximity Sensor Short Range GP2D120XJ00F. On the other hand, for the color signal detection part, the robot system is built so that it can distinguish the color types then execute the instructions that have been set for the particular color signal (as in traffic light application). A color sensor that has been created from the combination of a tri-color RGB light-emitting diode (LED) and a light-dependent resistor (LDR) has been used. The robot's mechanical design is built consisting of an acrylic sheet, two wheels which is moved by two DC motors and a motor driver. The microcontroller used for this project is PIC16F877A, while the program for the system is written in C language. The programs in this project consists of the robot's movement, the input/output control and also data mining and processing. The study was implemented in three phases i) requirement analysis process that was carried out by analyzing existing obstacle avoidance robot ii) based on this requirement, Obstacle Avoidance Robot with Depth and Color Signal Detector are designed and implemented iii) an evaluation process as the last phase to determine the effectiveness of the Robot.

Original languageEnglish
Pages (from-to)1658-1664
Number of pages7
JournalJournal of Applied Sciences Research
Volume8
Issue number3
Publication statusPublished - Mar 2012

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Collision avoidance
Robots
Color
Detectors
Signal detection
Sensors
Proximity sensors
Infrared radiation
Ultrasonic sensors
Range finders
DC motors
Microcontrollers
Telecommunication traffic
Resistors
Acrylics
Light emitting diodes
Data mining
Wheels
Ultrasonics

Keywords

  • Depth obstacle detector and color signal detector
  • Obstacle avoidance robot

ASJC Scopus subject areas

  • General

Cite this

Development of obstacle avoidance robot with depth obstacle and color signal detector. / Zainal, Nasharuddin; Zulkifli, Ahmad Fuad; Djasmir, Marlinawati.

In: Journal of Applied Sciences Research, Vol. 8, No. 3, 03.2012, p. 1658-1664.

Research output: Contribution to journalArticle

Zainal, Nasharuddin ; Zulkifli, Ahmad Fuad ; Djasmir, Marlinawati. / Development of obstacle avoidance robot with depth obstacle and color signal detector. In: Journal of Applied Sciences Research. 2012 ; Vol. 8, No. 3. pp. 1658-1664.
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