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REMOTE CONTROL DOORLOCK SYSTEM

MOHD FAIZAL BIN MUHAMMAD ZAINI

This report is submitted in partial fulfillment of the requirements for the award of Bachelor of Electronic Engineering (Industrial Electronics) With Honours

Faculty of Electronic and Computer Engineering Universiti Teknikal Malaysia Melaka

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mengaku membenarkan Laporan Projek Sarjana Muda ini disimpan di Perpustakaan dengan syarat-syarat kegunaan seperti berikut:

1. Laporan adalah hakmilik Universiti Teknikal Malaysia Melaka.

2. Perpustakaan dibenarkan membuat salinan untuk tujuan pengajian sahaja.

3. Perpustakaan dibenarkan membuat salinan laporan ini sebagai bahan pertukaran antara institusi pengajian tinggi.

4. Sila tandakan ( ) :

SULIT* (Mengandungi maklumat yang berdarjah keselamatan atau kepentingan Malaysia seperti yang termaktub di dalam AKTA RAHSIA RASMI 1972)

TERHAD* (Mengandungi maklumat terhad yang telah ditentukan oleh organisasi/badan di mana penyelidikan dijalankan)

TIDAK TERHAD

Disahkan oleh:

__________________________ ___________________________________

(TANDATANGAN PENULIS) (COP DAN TANDATANGAN PENYELIA)

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“I hereby declare that this report is the result of my own work except for quotes as cited in the references.”

Signature : ………..…..…..……….... Author : MOHD FAIZAL BIN MUHAMMAD ZAINI

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“I hereby declare that I have read this report and in my opinion this report is sufficient in terms of the scope and quality for the award of Bachelor of Electronic Engineering

(Industrial Electronics) With Honours.”

Signature : ……….

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ACKNOWLEDGEMENT

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ABSTRACT

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ABSTRAK

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II LITERATURE REVIEW

2.1 Remote Keyless Entry System 7

2.1.1 Requirement of Remote Keyless 8 Entry (RKE) System

2.1.2 Detailed RKE Description and 8 Design Objectives

2.1.3 Carrier Generation 10

2.1.4 Power Conservation 11

2.1.5 Infrared Remote Control Process 13

2.2 Type of Remote Control 15

2.2.1 Browser-Based Remote Sessions 16 2.2.2 Software-Based Remote Control 17

2.3 Central Lock 19

2.4 Pneumatic Actuator 20

2.4.1 Comparison of Pneumatic Actuator 27 and Hydraulic Actuator

2.4.2 Advantages of pneumatics 27

2.4.3 Advantages of hydraulics 27

2.5 Transmitter 28

2.6 Receiver 28

2.7 Power Supply 29

2.7.1 Power supply types 29

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5.1 Introduction of Hardware Interfacing 54

5.2 Hardware Installation 57

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6.2.1 Electronic Part Problem 75

6.2.2 Electrical Part Problem 75

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VII CONCLUSION AND RECOMMENDATION

7.1 Conclusion 81

7.2 Recommendation 83

REFERENCES 84

APPENDIX A 86

APPENDIX B 87

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LIST OF TABLE

NO TITLE PAGE

6.1 Raw material cost 77

6.2 Basic component and tool cost 78

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2.3 Diagram of infrared receiver and the flow of the signal data 14 through each process block.

2.4 Transmit signal (carrier frequency = fo) 14

2.5 Data transmission rate 15

2.6 The variation of remote control 16

2.7 Operation diagram of a single acting cylinder 22

2.8 Operation diagram of a double acting cylinder 22

2.9 Pneumatic Cylinder 23

2.10 Schematic symbol for pneumatic cylinder with spring return. 23 2.11 The solenoid valve (actuator) used in the project 24 2.12 A direct pneumatic actuator for converting pressure signal into 25

mechanical shaft motion

2.13 A reverse acting pneumatic actuator 26

2.14 Steady DC from a battery or regulated power supply, 30 this is ideal for electronic circuits

2.15 Smooth DC from a smoothed power supply, this is suitable 31 for some electronics.

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2.17 Alternating Current (AC) signal from a power supply 33 this shape is called a sine wave.

2.18 This triangular signal is AC because it changes between 33 positive (+) and negative (-).

3.1 Flowchart of idea 36

3.2 Flow of project 37

3.3 The part of a car alarm 39

4.1 Wiring diagram for the whole system 42

4.2 Planning idea for the system connection 42

4.3 System connection 43

4.4 Schematic diagram of transmitter circuit 44

4.5 The waveform at oscilloscope 1 45

4.6 The waveform at oscilloscope 2 46

4.7 The final waveform at oscilloscope 3 47

4.8 Schematic diagram for the combination of the transmitter and 48 receiver circuit.

4.9 the input waveform from the transmitter. 49

4.10 The expected square wave waveform produced in receiver circuit. 50

4.11 The central lock circuit 51

5.1 Experimental setup of doorlock system 54

5.2 Model of the door 55

5.3 The dimensional model of the door 56

5.4 Flowchart of project (model) impementation 59

5.5 Site and frame produced 61

5.6 the Installation of component 62

5.7 Testing to the model 63

5.8 The iron frame after painted 64

5.9 The door after the wood layer is painted 64

5.10 The inside view 65

5.11 The outside view 65

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5.13 The door knob 67

5.14 The interior door knob that has been modified 67

5.15 Central lock 68

5.16 Remote sensor 70

5.17 The modified solenoid valve with door knob 70

5.18 Remote control device 71

5.19 Micro Switch 71

5.20 Car battery 72

5.21 Wire and connector 72

5.22 Pilot lamp 73

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CHAPTER I

INTRODUCTION

1.1 Overview

A remote control deadbolt lock was designed for quadriplegics. The system consists of a modified standard household deadbolt lock, a central lock and a remote control. People who have limited use and control of their hands would use this system to simplify the complicated procedure of using a key to lock and unlock their homes at the touch of a button. The purpose of this project was to simplify the tasks of locking and unlocking a conventional door for people who use wheelchairs and have limited use of their hands and arms. By incorporating the use of a remote control, the inconvenience of using a key was eliminated. With just a push of a button, the locking mechanism in the door can be activated or deactivated. There are several door-locking systems that do not use a conventional key. There is a “credit card” type used in many hotels and the push-button combination lock used in many businesses. Both of these and similar systems did not address the inability of our client to grasp the card key or push the tiny buttons. There are also variations of remote controlled doors and gates, but these tend to be large and expensive systems more suitable for industrial use.

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1.2 Project Objective

The objectives of this project are:

To design a remote control doorlock system for user to lock and unlock a conventional door.

To commercialize this product to people.

1.3 Problem Statement

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In the remote control, there has a transmitter which send the data to the main system which placed at the door. That main system consist a central lock which has a receiver that will receive the sent data from the transmitter. The main system can not directly switch on the system (opened up the door) because the main system needs to connected and work together with the actuator to pull and push the lock door. In this project, the two pneumatic actuators are used to work together with the main system. The actuator consist a valve inside which require little pressure to operate and usually double or triple the input force. The actuator is an electric motor drive. The electric motor drive can have a speed-reducing transmission as may be desirable or required. When the actuator is applying in between the system, it can create the great force to pull and push the dead bolt easily.

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1.4 Project Scope

The scopes of this project are:

Study about the locking mechanism.

Study and research about the usage of remote control system.

Study on the system that will be linked between remote control and the mechanical locking system of the door.

Simulate and investigate the additional circuit in order to apply remote control doorlock system.

Apply the electrical wiring technique to doorlock system, testing and troubleshooting.

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1.6 Thesis Outline

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CHAPTER II

LITERATURE REVIEW

This chapter consists of some information about remote control system which included the central lock statement and also an overview of the literature that has been published in relation to build the system.

2.1 Remote Keyless Entry System

A remote keyless system is a system designed to remotely permit or deny access to premises or automobiles. This system was invented by mechanical engineer A.B. Makkar. There are several remote keyless entry (RKE) systems on the market, including but not limited to KeeLoq by Microchip, HITAG by Philips, and AVR411 by Atmel. In the case of automobiles a remote keyless system performs the functions of a standard car key without physical contact; power door locks can be locked or unlocked from several feet away or even from inside a building. A remote keyless system can include both a remote keyless entry system (RKE) and a remote keyless ignition system (RKI).

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