International Journal of Mechanical and Industrial Technology
ISSN 2348-7593 (Online) Vol. 7, Issue 1, pp: (54-59), Month: April 2019 - September 2019, Available at: www.researchpublish.com
A study on the energy output humans in customized home gym equipment Mel Victor B. Ayalaˡ, Brennick Avery Estores², Engr. Eduardo M. Manzano³ College of Engineering, Computer Studies and Architecture, Lyceum of the Philippines University - Cavite
Abstract: The purpose of this research is to identify the correlation between the amount of voltage generated to the body mass index (BMI) number by performing the lateral pull down using the home gym equipment. The home gym equipment was customized by connecting a simple generator set-up, where the car alternator is used as the generator and the equipment as the prime mover of the assembly. The experimental method was used in the study and used the Pearson correlation coefficient to test the correlation of the voltage generated and to the body mass index number of the thirteen participants, which are all males and with age between 16 to 22 years old, assuming that there is a linear correlation between the two parameters. The thirteen participants performed the lateral pull down routine up to their limit of endurance or until they decided to stop. The duration of the individual’s exercise was recorded to compute for the total voltage generated. The result shows that the value of Pearson correlation coefficient, which is equal to 0.558, is greater than the critical value which is 0.553. Thus, it can be concluded that there is a moderated positive correlation between the amount of voltage generated to the body mass index number of male participants. It is recommended to improve the assembly by using permanent magnet for the generator and to test the correlation by performing other forms of routine applicable using the home gym equipment. Keywords: Alternative Energy, Body Mass Index, Correlation, Home Gym Equipment, and Voltage Generated.
I. INTRODUCTION According to an article, fossil fuels became the optimal source of energy since the Industrial Revolution began in the 18th century. Huge amount of these fuels were used to power the economy and bring exceptional wealth to various people. And at that time, they thought that the fossil fuels are unlimited. Upon discovery that fossil fuels are non-renewable and can cause harm to our planet, the innovation of using renewable and cleaner energy sources has taken place. Since working out uses energy to perform certain exercises or routines, utilizing the energy exerted from body workout into useful energy may help our society to provide an alternative source of energy. The existing question now will be the amount of energy that can be converted from exerted energy by a human from body workout into useful energy depending on his body mass index. The idea of using human energy to generate alternative source of energy using equipment like stationary bike and elliptical inspired this study to apply the conversion of energy using other gym equipment. The home gym equipment will be used to be the new gym equipment on generating electricity upon conditioning the study, which will be used to identify if the human’s capability of generating electricity using the said equipment is related to the BMI of the performer. Using gym equipment requires energy in order to perform certain exercises and routines and instead of just letting the energy exerted by human from exercise to become a waste. A machine can be used to transform exerted human energy to electrical energy. The general objective of the study is to design an assembly that will convert human energy from body workouts into electrical energy of which the home gym equipment will be used as the driver of the generator assembly. This study is focused on the amount of electricity generated depending on the body mass index of the performer.
II. LITERATURE REVIEW There are various types of exercise machine, and these have different effectiveness for electricity production. One of the most efficient and simplest way of producing electricity is by continuously turning a wheel at a constant speed. By having a weighted wheel turned when a force is applied, for example, much of the useful work fitness-wise is done when
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