Autonomous Mobile Robot Navigating Towards A Preset Target : Beacon And Robot Navigation.

VII

ABSTRACT

Navigation using active beacons has been with us for many centuries. For mobile
robot, laser, sonar and radio are common media for navigational beacons. An
autonomous mobile robot with infrared beacon has been developed in this project. The
transmitter, which is mounted on the beacon, transmits infrared signals. The robot is
equipped with a three infrared receiver that will detect infrared signals from beacon as
the target of robot navigation placed in anywhere within a limited range and finally
robot will navigate to the beacon autonomously. The beacon will emit infrared signal
continuously until the robot reach the beacon. This robot that can react autonomously
with the environment without depending on human. PIC16F877A has been used as a
microcontroller for this robot. PIC 16F877A has an internal built in analog-to-digital
(ADC) which was used to convert optical signal that received by infrared receiver to
electrical signal.

© Universiti Teknikal Malaysia Melaka

VIII


ABSTRAK

Selama berabad lamanya kita menggunakan navigasi matarah aktif. Mobil robot,
laser, sonar dan radio adalah medium yang selalu digunakan untuk navigasi matarah.
Mobil robot berautonomi bersama dengan matarah inframerah telah dibangunkan dalam
projek ini. Penghantar, yang dipasang pada matarah, menghantar isyarat inframerah.
Robot dipasang bersama tiga penerima yang mana akan mengesan isyarat inframerah
dari matarah sebagai sasaran navigasi robot yang diletakkan dimana sahaja dalam
lingkungan jarak yang terhad dan akhirnya robot itu akan menuju ke arah beacon secara
berautonomi. Matarah akan menghantar isyarat secara berterusan sehingga robot sampai
ke matarah. Robot ini boleh bereaksi berautonomi dengan persekitaran tanpa bergantung
kepada

man usia.

Mikropengawal

PIC 16F877A

digunakan


didalam

robot

ini.

PICI6F877 A mempunyai binaan dalaman penukar analog-kepada-digital (ADC) yang
digunakan untuk menukar isyarat optikal yang diterima oleh penerima kepada elektrik
signal.

© Universiti Teknikal Malaysia Melaka