Clever Ubiagege's Mechanical Designer Portfolio

By

Clever Ubiagege--- [email protected] ---- +447400480678

Aim: To design a dust monitor that notify households on when to clean their apartment. Description: Most of the cheaper dust monitors have the challenge that they start producing erratic readings after long usage because their sensing element has been covered with dust. In this project a team of 4 persons looked on the existing technologies for detecting dust and came up with a novel approach to measure dust concentration. Once the concentration goes above a harmful threshold, the monitor alerts the user to clean the apartment. The dust monitor data were used to start a smart vacuum cleaner.


Description: Usually a smart vacuum cleaner uses time dependent command inputted by the user to trigger the start function of the vacuum and then cleans the apartment. That is, the user sets the time for the vacuum to start working. But by using the signal from dust monitor, the vacuum becomes dust concentrate dependent instead of being time dependent. Thus generating the best time for the smart vacuum to start cleaning operation.


Role: I worked as a project manager and also a prototype engineer. In addition I was responsible for procuring the necessary parts for the prototype. The dust monitor was tested over a period of 5 months and the data from the monitor were constantly sent to trigger the start command of a smart vacuum cleaner. Result: This dust monitor was able to measure concentration of dust in the home over a long period of time without having its sensing element damage.


Infrared detector

Dust Plate/Roller

Infrared light

Indicator Unit

Display Unit

3D Model of Dust Monitor Designed with Solidworks and rendered in Keyshot 4

Design Of A Baby Safety Guard (BSG)

! Aim: The aim of this project is to identify a social problem and provide IoT solution.

! Result: After series of iterative ideation and conceptualization session, we came up with a detailed design of a BSG device to assist parents in better monitoring of their kids at home.

! My Role: I worked as a prototype engineer and also a programmer.

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Brainstorming


BREAK DOWN BIO ! Aim: To design an industrial composter for

waste management and also use it as an educational tool for kids within the community.

! Description: Biolan Oy gave a project to a team of 12 students to design an industrial size biowaste composter within a year. The composter must fulfill the following requirements:


Sponsored By

BREAK DOWN BIO ! It should be able to convert biowaste into

manure in less than 6 weeks. ! It must be greater than the maximum size

(900L) currently sold by the company. ! It should be light and easily transportable. ! There should be a way to mix the waste

during composting. ! It should be easily adoptable globally. ! It should operate well in all seasons.


The composter was designed based on the given requirements. The design process was done by first carrying out detailed research on the composting (biodegradation) process. This was followed by series of brainstorming sessions on reducing the composting time, Selecting the shape (exterior and interior) and size. Then, detailed mechanical design analysis were carried out on the selected shape, material, mixing mechanism, filling and empting of composter, and monitoring system (level, temperature and oxygen sensor). The design parameters were used to select the best manufacturing technique for a working prototype. The prototype was made with carbon fiber as can be shown in the diagram below.


External body of composter made with Carbon fiber.

Role: I worked as a mechanical design engineer in this project. During the project, I also assisted in prototyping and testing/observing of the composter filled with biowaste during winter.

Result: Our client was very satisfied with the design. Most of the design requirements were met except for the malfunctioning of mixing mechanism.

Ref: http://pdp.fi/portfolio-items/break-down-

bio-2012-13/#!prettyPhoto


Final Prototype at Gala

Aim: To design an affordable industrial smart cooker for preparing African-‐based food with ease. Description: The idea came about when a friend and I were called to come assist in preparing (mixing) cassava staple for a 76 people’s party. Ever since then, I have been brainstorming various ways to make this preparation process ease. As time went on other friends and colleague bought into the idea and we have been working on it once in two weeks.

So far we are still conceptualization phase


Projects and Life Experience Reflection In working on these projects, I have

improved and learnt some valuable personal skills. These are:

! Good communication skills. ! A great team player. ! Good time and task management skills. ! Take leadership role when the need arises. ! Motivate other team members when they are

falling short in commitment. ! A good listener. ! Hardworking.


Clever Ubiagege's Mechanical Designer Portfolio

Engineering

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