Thursday 29 March 2012

PREPARE SLIDE PRESENTATION

I feel quite tired of doing a lot of assignment this week but, at the same time, I need to prepare the slide for presentation of FYP 1. Only a few part that I put in the slide. The part that I include in the slide is;

1) Introduction

2) Problem statement

3) Objectives

4) Methodology

5) Literature review

6) Work plan

7) Conclusion


Then, I show this slide to my supervisor to make sure whether it is okay and meet the requirement of slide presentation scheme.

Wednesday 21 March 2012

SUBMIT PROPOSAL BY EMAIL

       I already submit the proposal a few weeks ago, unfortunately, it was rejected again and I need to do some correction and send it by email to my dearest supervisor,Miss Nurul..=)
       But I only have to re-do only at the literature review, methodology which is the flow chart and block diagram only.


Friday 16 March 2012

WORKING OF OBSTACLE SENSOR

CHAPTER 2: LITERATURE REVIEW (2)

CONTENT:




It consist of IR transmitter TSOP receiver sensor while moving the on track  its emits infra red light in forward direction in case some obstacle is present on the way of moving the reflection of infrared light is receive by TSOP receiver sensor which amplified the weak signal and give the output in 36khz frequency which are connected on the interrupt pin of the  controller which enable immediate stopping all the operation  and vehicle stop while interrupt disable when object is not present on in front of vehicle no repletion will come and vehicle performing its programmed functions.


OBJECTIVE:
  • To clearly explain about the function of the sensor.
  • To introduce another important component of the project.



Wednesday 7 March 2012

OPERATION OF THE MOTOR DRIVER

CHAPTER 2: LITERATURE REVIEW (1)





  • As we can see in the figure above there are four switching elements named as "High side left", "High side right", "Low side right", "Low side left". When these switches are turned on in pairs motor changes its direction accordingly. Like, if we switch on High side left and Low side right then motor rotate in forward direction, as current flows from Power supply through the motor coil goes to ground via switch low side right. 
  • Similarly, when we switch on low side left and high side right, the current flows in opposite direction and motor rotates in backward direction. This is the basic working of H-Bridge. We can also make a small truth table according to the switching of H-Bridge explained above. 

Truth Table
High Left
High Right
Low Left
Low Right
Description
On
Off
Off
On
Motor runs clockwise
Off
On
On
Off
Motor runs anti-clockwise
On
On
Off
Off
Motor stops or decelerates
Off
Off
On
On
Motor stops or decelerates

OBJECTIVE:
  • To show about one of the main part that will use in the project.
  • To explain clearly about the function of the motor driver.

Friday 2 March 2012

BLOCK DIAGRAM

CHAPTER 3: METHODOLOGY (1)





DESCRIPTION



        In this project, the 12V DC is further step down to 5V DC using a voltage regulator. Voltage regulator module is used to protect PIC and other connected sensor/relay from over voltage. This is because the PIC and all other connected sensors relay all support 5V DC only. This 5V DC is a rechargeable battery. The IR sensor (Transmitter and Receiver) detect the dark line (black line color). When the IR sensor detects the black line color, the voltage measured at the sensor will be increased and when the IR sensor not detects the line, the voltage will be decreased. That means, while the IR sensor detect the line, the voltage will be increased and connected to the PIC16F877A and the PIC will be identified the sensor to move by follow the line. But, when the side of the vehicle detects another line at the side of the track, it will immediately stop moving. So, the human will push button stop at the top of the vehicle to put a load. After finish a work, the human need to push back the button to make the vehicle move as usual by follow the track. Then, the sensor will give information to the PIC before the PIC give signal to a motor driver whether to move the right or left motor by referring to the track.

OBJECTIVES:

  • To show about the process of the project.
  • To explain in detail about the function and a part of component that will use to make the project successfully done.