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TITLE PAGE

DESIGN AND CONSTRUCTION OF A STRESS METER

BY

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EE/H2013/01430
DEPARTMENT OF ---
SCHOOL OF ---
INSTITUTE OF ---

DECEMBER,2018

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APPROVAL PAGE

This is to certify that the research work, "design and construction of a stress meter" by ---, Reg. No. EE/H2007/01430 submitted in partial fulfillment of the requirement award of a B.Sc on --- has been approved.

By
Dr. ---                                                    Dr. ---
Supervisor                                                  Head of Department.
Signature……………….                           Signature……………….        

……………………………….
 Dr. ---
External Invigilator

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DEDICATION
This project is dedicated to Almighty God for his protection, kindness, strength over my life throughout the period and also to my --- for his financial support and moral care towards me.Also to my mentor --- for her academic advice she often gives to me. May Almighty God shield them from the peril of this world and bless their entire endeavour Amen.

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ACKNOWLEDGEMENT

The successful completion of this project work could not have been a reality without the encouragement of my --- and other people. My immensely appreciation goes to my humble and able supervisor mr. --- for his kindness in supervising this project.
My warmest gratitude goes to my parents for their moral, spiritual and financial support throughout my study in this institution.
My appreciation goes to some of my lecturers among whom are Mr. ---, and Dr. ---. I also recognize the support of some of the staff of --- among whom are: The General Manager, Deputy General manager, the internal Auditor Mr. --- and the ---. Finally, my appreciation goes to my elder sister ---, my lovely friends mercy ---, ---, --- and many others who were quite helpful.

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This work is on stress meter. This stress monitor lets you assess your emotional pain. If the stress is very high, it gives visual indication through a light-emitting diode (LED) display along with a warning beep. This device is based on the principle that the resistance of the skin varies in accordance with your emotional states. If the stress level is high the skin offers less resistance, and if the body is relaxed the skin resistance is high. The low resistance of the skin during high stress is due to an increase in the blood supply to the skin. This increases the permeability of the skin and hence the conductivity for electric current.
                                                                                                                             

TABLE OF CONTENTS
COVER PAGE
TITLE PAGE
APPROVAL PAGE
DEDICATION
ACKNOWELDGEMENT
ABSTRACT
CHAPTER ONE

• INTRODUCTION
• BACKGROUND OF THE PROJECT
• OBJECTIVE OF THE STUDY
• SCOPE OF THE PROJECT
• APPLICATION OF THE PROJECT
• ADVANTAGES OF THE PROJECT
• LIMITATION OF THE PROJECT
• METHODOLOGY
• PROJECT ORGANISATION

CHAPTER TWO
LITERATURE REVIEW

• DESCRIPTION OF STRESS
• REVIEW OF DIFFERENT TYPES OF STRESSSENSOR
• PROJECT IMPROVEMENT
• DESCRIPTION OF MAJOR COMPONENTS USED

CHAPTER THREE
3.0      METHODOLOGY

• BASICS OF THE SYSTEM
• SYSTEM BLOCK DIAGRAM
• BLOCK DIAGRAM DESCRIPTION
• WORKING PRINCIPLE OF THE SYSTEM
• LIST OF COMPONENTS USED
• CIRCUIT DESCRIPTION

CHAPTER FOUR
TEST AND RESULT ANALYSIS

• CONSTRUCTION PROCEDURE AND TESTING ANALYSIS
• CASING AND PACKAGING
• ASSEMBLING OF SECTIONS
• TESTING OF SYSTEM OPERATION
• INSTALLATION OF THE COMPLETED DESIGN
• ECONOMIC OF THE PROJECT
• PROJECT EVALUATION

CHAPTER FIVE

• CONCLUSION
• RECOMMENDATION
• REFERENCES

  

CHAPTER ONE
1.0                                                        INTRODUCTION
1.1                                           BACKGROUND OF THE STUDY
Stress is a physiological condition in which the body becomes excited to face an emergency situation.  Increase in heart rate, breathing rate etc occurs during a high stress state.  A permanent stress condition is harmful to the body and may results in many health problems.  The circuit described here is useful to monitor the stress level before and after practicing a relaxation exercise (Mullin, Ray, 2005).
The resistance of the skin varies, if the stress level is high the skin offers less resistance and if the body is relaxed the skin resistance is high. During high stress there is increase in the blood supply to the skin, this increases the permeability of the skin.  High stress causes sweating and leakage of water from the blood vessels in the skin. This makes the skin moist and electrical conductivity increases.
The subject of study – stress meter, is useful to monitor the stress level before and after practicing a relaxation exercise (Mullin, Ray, 2005).

1.2                                             OBJECTIVE OF THE PROJECT
The objective of this work is to design a device that monitors one’s emotional pain. If the stress is very high, it gives visual indication through a light-emitting diode (LED) display along with a warning beep.

1.3                                                 SCOPE OF THE PROJECT
Stress meter is based on the principle that the resistance of the skin varies in accordance with your emotional states. If the stress level is high the skin offers less resistance, and if the body is relaxed the skin resistance is high. The low resistance of the skin during high stress is due to an increase in the blood supply to the skin. This increases the permeability of the skin and hence the conductivity for electric current.
This property of the skin is used here to measure the stress level. The touch pads of the stress meter sense he voltage variations across the touch pads and convey the same to the circuit. The circuit is very sensitive and detects even a minute voltage variation across the touch pads.

1.4                                         APPLICATIONS OF THE PROJECT
Stress level indicator is used (Mullin, Ray, 2005):

• For measuring resistance of skin.
• To know mental state of person.
• In diagnosis of excessive sweating

1.5                                          ADVANTAGES OF THE PROJECT
This device is chose and used for the following reasons (Dyer, Stephen 2001):

• It is Portable. The gadget is small enough to be worn around the wrist.
• Low power consumption.
•  Low cost.
• Highly sensitive to small currents.
•                                       LIMITATION OF THE PROJECT
• Less accuracy.
• Output is not measurable.

1.7                                         METHODOLOGY
To achieve the aim and objectives of this work, the following are the steps involved:

• Study of the previous work on the project so as to improve it efficiency.
• Draw a block diagram.
• Test for continuity of components and devices,
• Design and calculation for the device was carried out.
• Studying of various component used in circuit.
• Construction of the circuit was carried out.
• Finally, the whole device was cased and final test was carried out.

1.8                                                         PROJECT ORGANISATION
The work is organized as follows: chapter one discuses the introductory part of the work,  chapter two presents the literature review of the study,  chapter three describes the methods applied, chapter four discusses the results of the work, chapter five summarizes the research outcomes and the recommendations.

 

CHAPTER TWO: The complete chapter two of “design and construction of a stress meter” is available. Order full work to download. Chapter two of “design and construction of a stress meter” consists of the literature review. In this chapter all the related work on “design and construction of a stress meter"

CHAPTER THREE: The complete chapter three of “design and construction of a stress meter” is available. Order full work to download. Chapter three of “design and construction of a stress meter” consists of the methodology. In this chapter all the method used in carrying out this work was discussed.

CHAPTER FOUR: The complete chapter four of "design and construction of a stress meter” is available. Order full work to download. Chapter four of “design and construction of a stress meter” consists of all the test conducted during the work and the result gotten after the whole work

CHAPTER FIVE: The complete chapter five of design and construction of a “design and construction of a stress meter” is available. Order full work to download. Chapter five of “design and construction of a stress meter” consist of conclusion, recommendation and references.

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