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Design and Implementation of Online Automobile Maintenance Information System

DESIGN AND IMPLEMENTATION OF ONLINE AUTOMOBILE MAINTENANCE INFORMATION SYSTEM


ABSTRACT

An Online Automobile Maintenance Information System is a guide with an interactive tool which provides drivers with comprehensive and convenient information which are meant not only to help them whenever they meet with an unforeseen incident on the road or at any point in time. The aim of the study is to design and implement an Online Automobile Maintenance Information System. In achieving this aim, the following specific objectives were laid out as follows to develop an application software that will develop appropriate representation architecture to the proposed car failure and malfunction diagnosis assistance system and also help automobile repairers diagnose serious faults and repair vehicles at a faster rate through the pre-diagnosis and advice a web-based software. The motivation that led to the implementation of the proposed system is as a result of poor maintenance measures or irregular fixing of appropriate parts are the most often encountered problems associated with vehicles resulting to sudden breakdown. Other occasions may be problems associated with the engine oil, oil filters, fuel filters, wear and tear of tire, brake pads, air filter, etc as a result of incompetent hands to tackle the problem. The methodology adopted in this study is the object oriented analysis and design methodology (OOADM) which is a technical approach for analyzing and designing an application or system by applying object throughout the software development process. The programming language used is HTML, CSS, JAVASCRIPT, PHP, SQL and JQUERY. The reason why web programming languages was used is because, it is platform independent and it is a web based application. The significance of the proposed system will help inexperienced automobile repairers or drivers in diagnosing the fault of the car. It will also encourage prompt feedback from the public and vehicle owner particularly. The expected result is an Online Automobile Maintenance Information System that will test and validate the performance of the system and also provide maintenance advice to users in order to avoid future fault from occurring.


CHAPTER ONE

1.1 Introduction

The Online Automobile Maintenance Information System is a guide with an interactive tool which provides drivers with comprehensive and convenient information which are meant not only to help them whenever they meet with an unforeseen incident on the road or at any point in time, but also to guide them in preventing them. Familiarity with the maintenance tips contained in this system would always assist drivers in providing self-aid when they encounter breakdown. The system also prints out the vehicle information and saves in a database for future reference. Automobile software for car faults diagnosis is a system that detects information about car faults and provides possible solutions to fixing the problem. It works by entering the type of fault your car is giving you, and then it will retrieve the information of the possible fault and also display the result of how you can solve the problem without the presence of an expert. This web-based software is hoped to help those who are in need of guides to deal with their cars problems.

As a prelude to other parts of this study, this chapter will discuss the background upon which this study was initiated, the statement of problems that led to this study, the Aim and Objectives of the study. Others are Significance of the study, Scope of work, Limitations of the Study and Definition of technical terms.


1.2 Background of Study

Automobile maintenance describes the act of inspecting or testing the condition of car subsystems (e.g., engine) and servicing or replacing parts and fluids. Regular maintenance is critical to ensure the safety, reliability, drivability, comfort and longevity of a car. During preventive maintenance, a number of parts are replaced to avoid major damage or for safety reasons, e.g. timing belt replacement. The actual schedule of car maintenance varies depending on the year, make, and model of a car, its driving conditions and driver behavior.

Faults occur in vehicles or automobiles very often than not. This can be due to several reasons. The ability to detect and isolate these faults in complex technical systems such automobile is important in order to fulfill dependability requirements. Fault detection and isolation in automobiles is very important because it helps to maintain high vehicle operational efficiency, low exhaust emissions, high vehicle uptime, fuel consumption reduction or fuel economy, high vehicle safety and it guarantees efficient repair. These factors are very important because they help to reduce overall life-cycle cost of a vehicle.

Car makers recommend the so-called extreme or the ideal service schedule based on impact parameters such as:

  1. Number of trips and distance traveled per trip per day;
  2. Extreme hot or cold climate conditions;
  3. Mountainous, dusty or de-iced roads;
  4. Heavy stop-and-go vs. long-distance cruising;
  5. Towing a trailer or other heavy load.

Experienced service advisors in dealerships and independent shops recommend schedule intervals, which are often in between the ideal or extreme service schedule. They base it on the driving conditions and behavior of the car owner or driver.

In present time most households own at least one car. This figure shows that a car is very important to people’s lives as it completes the cycle of living. Having that we are in the era of computer age and internet application, it would be nice if a web-based expert system can be developed to diagnose mechanical and other related faults in our vehicles. This web-based software is hoped to help those who are in need of guides to deal with their cars problems. Although it might not give a complete guide and help as a human expert, namely mechanics, at least it can give temporary assistance to those who are in need of instant help, as a result of the limitation of time and distance.


1.3 Statement of Problem

Investigation revealed that sudden breakdown resulting from poor maintenance measures or irregular fixing of appropriate parts are the most often encountered problems associated with vehicles. Other occasions may be problems associated with the engine oil, oil filters, fuel filters, wear and tear of tire, brake pads, air filter, etc as a result of incompetent hands to tackle the problem. However, acquaintance with the necessary automobile maintenance tips would definitely increase satisfaction level in the long run as cost of repair would be reduced especially for new cars and used cars significantly. All of these measures are embedded in the online concept of automobile maintenance.

In dealing with problems of a car and troubleshooting, automobile repairers are those who can help to solve them. The use of a computer expert system is beneficial in different ways. It gives a temporary and instant guide to car owners in different situations like:

  1. Assistance in the absence of automobile repairers.
  2. Being an alternative considering the distance of automobile repairers.
  3. Situations where automobile repairers diagnosis wrongly, etc.

1.4 Aim and Objectives of the Study

The aim of the study is to design and implement an Online Automobile Maintenance Information System. In achieving this aim, the following specific objectives were laid out as follows to develop an application software that will:

  1. Help automobile repairers diagnose serious faults and repair vehicles at a faster rate through the pre-diagnosis and advice a web-based software.
  2. Provide recommendations in cases of automobile break down.
  3. Provide maintenance advice to users in order to avoid future fault from occurring.
  4. Test and validate the performance of the proposed system.
  5. Develop appropriate representation architecture to the proposed car failure and malfunction diagnosis assistance system.
  6. Develop a system for car maintenance and troubleshooting that is capable of assisting car owners in dealing with their cars problems and troubleshooting them whenever time is limited and the human experts, also known as mechanics is not available at that very time.

1.5 Significance of Study

The proposed system can help inexperienced automobile repairers or drivers in diagnosing the fault of the car. In addition, the system has the following benefits:

  1. It is significant to programmers and web designers in showing them the areas to focus when designing and coding a web based program.
  2. It will encourage prompt feedback from the public and vehicle owner particularly.
  3. It will bring the management of the establishment close to the internet and computer operations.
  4. Improvement of Productivity: Having this system will enable mechanics to do more work in less time.
  5. Places expert knowledge into machine readable form, where it can be summoned at any time.
  6. Reduces the Need for Skilled Mechanics: The repairs of a car require a high level of expertise. With this system, inexperienced mechanics can be guided to find the fault.

This study will be of immense benefit to other researchers who intend to know more on this study and can also be used by non-researchers to build more on their research work. This study contributes to knowledge and could serve as a guide for other study.


1.6 Scope of Study

The scope of the research is focused on the Design and Implementation of an Online Automobile Maintenance Information System.


1.7 Limitations of the Study

During the course of this study, many things militated against its completion, some of which are:

  1. Time Constraint: The time frame given to accomplish this project was very short due to school academic calendar and it was carried out under pressure which made the researcher not to implement some necessary features.
  2. Establishment Policies: Establishment policies posed a serious limitation as most staffs are not ready to release information needed for this project work. There were lots of information needed from the staffs of this institution to enhance the study which took them time to release or they did not release at all for security purposes, hence the scope was reduced.
  3. Research material: availability of research material is a major setback to the scope of the study.
  4. Frequent power failure: This made the researcher append more money on fuel to ensure sustainable power.
  5. Financial Constraint: Insufficient fund tends to impede the efficiency of the researcher in sourcing for the relevant materials, literature or information and in the process of data collection (internet).

1.8 Definition of Terms

Registration: This means to keep records received from the management for reference purposes.

Management: It is the co-ordination of all the resources of an Organization through the process of planning, Organization, directing and controlling


CHAPTER TWO

2.0 Literature Review

2.1 Introduction

The review of relevant literature is the main topic of this chapter. A literature review covers theoretical and methodological contributions to a certain issue in addition to the state of knowledge at the time of writing. It provides information about the state of the art in relation to the subject you are writing about. It examines the body of work on the chosen subject. The literature evaluation in this study comprises the …


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TABLE OF CONTENTS

PRELIMINARY PAGES


CHAPTER ONE

INTRODUCTION

  • 1.1 Introduction
  • 1.2 Background of Study
  • 1.3 Statement of Problem
  • 1.4 Aim and Objectives of the Study
  • 1.5 Significance of Study
  • 1.6 Scope of Study
  • 1.7 Limitations of the Study
  • 1.8 Definition of Terms

CHAPTER TWO

LITERATURE REVIEW

  • 2.1 Introduction
  • 2.2 Conceptual Review of Automobile Maintenance
  • 2.3 Automobile Repair and Maintenance Expert System
  • 2.4 Components of an Automobile Repair and Maintenance Expert System
  • 2.5 Theoretical Framework
  • 2.5.1 Automobile Repair and Maintenance Web Portal
  • 2.5.2 Types of Automobile Repair and Maintenance Web Portals
  • 2.5.3 Database for Web Portals
  • 2.5.4 Merits of Integrating Databases in Web Applications
  • 2.5.5 Historical Background of Automobile Industry
  • 2.6 Review of Related Literature

CHAPTER THREE

SYSTEM ANALYSIS AND DESIGN

  • 3.1 Methodology Adopted
  • 3.1.1 Problem Identification Using SSADM
  • 3.2 Analysis of the Existing System
  • 3.2.1 Dataflow of the Existing System
  • 3.2.2 Disadvantages Of The Existing System
  • 3.2.3 Weakness of the existing System
  • 3.3 Feasibility Study
  • 3.3.1 Economic Feasibility
  • 3.3.2 Technical Feasibility
  • 3.3.3 Operational Feasibility
  • 3.4 Analysis of the Proposed System
  • 3.4.1 Data Flow Diagram of the Proposed System
  • 3.4.2 Advantages of the Proposed System
  • 3.4.3 Justification of the Proposed System
  • 3.5 Functional Requirements
  • 3.5.1 Use Case Diagram Of The Admin / User Privileges
  • 3.6 Data Requirements
  • 3.7 High Level Model of the Proposed System

CHAPTER FOUR

SYSTEM DESIGN AND IMPLEMENTATION

  • 4.1 Objectives of the Design
  • 4.2 Cohesion and Decomposition High level Model
  • 4.3 Control Center / Overall Dataflow Diagram
  • 4.3.1 Proposed System Operation Flowchart
  • 4.4 System Specification and Design
  • 4.4.1 Input and Output Specification
  • 4.4.2 Database Specification and Design
  • 4.4.3 Data Dictionary
  • 4.5 Choice and Justification of Programming Language
  • 4.6 Program Documentation
  • 4.7 Implementation Techniques
  • 4.8 Programming Module Specification
  • 4.8.1 Installation
  • 4.8.2 Security Design Specification
  • 4.8.3 System Architecture
  • 4.9 Computer Hardware Minimum Requirement
  • 4.10 Software Requirement
  • 4.11 Personnel / User Training

CHAPTER FIVE

SUMMARY, CONCLUSION AND RECOMMENDATION

  • 5.1 Introduction
  • 5.2 Summary
  • 5.3 Conclusion
  • 5.4 Recommendation

REFERENCES

APPENDIX A - “SOURCE CODE”

APPENDIX B - “OBJECT PROGRAM”


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