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MEE00376 - DEVELOPMENT OF A FOOTSTEP POWER GENERATION MECHANISM


CHAPTER ONE

  1. INTRODUCTION

1.1 BACKGROUND OF STUDY

For an alternative method to generate electricity, there are numbers of ways by which electricity can be obtained. Footstep power generation is one of the effective method of generating electricity (Anirudha Chavan,Vaibhav Pondhe,Shyam Lakhadive and Prof. Vineeta Philip, 2017).                                                                                            

Virtually all human engage in walking activities. When a man walks, he looses energy to the road surface in form of impact vibration, sound etc due to transfer of weight on the road surface, through foot fall on the ground during every step. This energy can be tapped and converted into usable form such as electricity .This device if embedded in the footpath can convert impact energy into electrical form (Anirudha Chavan,Vaibhav Pondhe,Shyam Lakhadive and Prof. Vineeta Philip, 2017).

The system generates voltage using footstep force .The system serve as a medium to generate electricity using non conventional source and stores it. This project is designed to be useful in public places like railway station where a lot of people keeps walking through all day.  such place, the system is to be placed at any entry point where people travel through entrance and exits, and they have to through. This device will then generate a voltage on every footstep and when mounted in series, they will produce a sizable amount of electricity (novon project, 2018).

All over the world, especially in developing countries, there is an increasing demand for power daily due to increasing population. Energy surrounds us in all aspects of life, the ability to harness it and use it for constructive ends as eco2nomically as possible is the challenge before mankind (Vasantharaj, 2016).

However, with the ever increasing greenhouse effect, there is a need for alternative energy. Alternative energy refers to energy sources which are not based on the burning of fossil fuels or the splitting of atoms. The renewed interest in this field of study comes from the undesirable effects of pollution (as witnessed today) both from burning fossil fuels and from nuclear waste byproducts. Fortunately, there are many means of harnessing energy which have less damaging impacts on our environment. The alternatives are solar energy, Wind Power, Geothermal Tides and Hydroelectric (Vasantharaj, 2016).

The inability to meet the demand for power has brought a lot of power cut-off. Human being uses power generators which require fuel to produce electricity which has harmful effect to the environment. So we got motivated to harvest power using an alternative source of energy and also don’t have any negative effect to the environment and to see India without any power cut-off (Vasantharaj, 2016).

This study presents a means of harvesting waste energy using simple drive mechanism such as rack and pinion assembly and chain drive mechanism which is used for generating power by utilization of force obtained during foot impact. This force is converted in to electrical energy with the help of mechanical systems. The generated power is stored by means of battery which is used for activating the connected loads. This is one of the compact and efficient systems for generating electricity which can be easily installed in many region (Sabarish, 2017).

 

  1. 2 STATEMENT OF PROBLEMS

With the rising cost of fuel, which has made it ridiculously scarce and almost unstable, the ordinary man may not be able to afford it. Imagine a world whereby people could get easy access to power most especially in some parts of Africa. Some developing countries have several hours of daily power cut in almost every cities and villages because the increase in demand for electricity exceeds the increase in electric power generation. People in these countries may use power inverter or diesel/petrol-run generator at their homes during power outage. The use of standby generator is common in industrial setups. This increases the shortage for power (Jose, 2013). Hence, the development of a mechanism for power generation from footstep impact is called for. Through this, technology will increase the chance of its possibility, giving the ordinary man the access to power without having to spend much.

 

  1. 3 AIM AND OBJECTIVES

The aim of this study is to design, fabricate and test a mechanical system for power generation from footsteps impact.

 

The specific objectives to be achieved are to:

  1. Design a footstep power generation mechanism,
  2. Fabricate a cost efficient power generation mechanism,
  3. Test a power generation mechanism,
  4. Determine the power output of the mechanism

 

  1. 4 JUSTIFICATION OF THE STUDY

Predominantly, humans tend to dissipate lots of energy especially during walking, which can be effectively utilized for power generation. Considering the overemphasized need for power due to the increase in population, unstable power supply and sometimes scarcity in fuel supply, innovations like this could be used for power generation easily, thereby allowing for continuity in human services requires minimal maintenance cost and also help develop countries (Jose, 2013). Thus, the power generated from footsteps impact could be used to light street lamps, in LED lamps for specific purpose, in security alarms, in malls, railway stations and places where so many people move around round the clock (Raja, 2014; Marshiana,2016).

 

  1. 5 SCOPES OF THE STUDY

The scope of the project is todesign, fabricate and test a mechanical system for power generation from footsteps impact. This includes fabrication of the footstep arrangement, and construction of the mechanical system for harnessing the produced energy; and power generation and utilisation­­­­ - direct usage and storing of the generated energy in batteries, and construction of a simple inverting circuit (rated 100 W) for converting direct current from the dynamo and the battery bank to alternating current. . It must be noted that for the purpose of this thesis, emphasis is made on the power generation section.