Shubham GargMechanical Engineering, University of California, Berkeley

Engineering Design Portfolio

4400 Memorial Dr, #2236, Houston TX| 510-697-9492

shubham.garg@berkeley.edushubhamgargdce@hotmail.com

CONTENTSMINI BAJA RACING AN ALL-TERRAIN VEHICLE PROJECT

EXO-KNEE ROBOTIC INDUSTRIAL KNEE

SMOKESCOPE5 CENT SMOKE DETECTOR

WINE & WINEDESIGN CHALLENGE WINNER

HELMET DESIGNCAPSTONE PROJECT

FRUNGESMART SPONGE CASE

DORAMOVE, EXPLORE AND GIFT

HABITATTELECTRONIC TATTOOS FOR EMOTIONAL WELLBEING

BAJA RACINGAll-Terrain Vehicle

INSPIRATION

When the road ahead is not that smooth.

This project aimed to deliver a single-seat, off-roading vehicle for a weekend off-road enthusiast

Image Source: Amilton Reis

Genesis

Delhi College of Engineering

2009-2012

“Mud, Sweat and Gears”

BAJA RacingMini-Baja is a collegiate design competition sponsored by the

Society of Automotive Engineers. The team’s goal was to design,

build, test, promote, and compete with a prototype of a

single seat off-road vehicle

Define and Design• Vehicle was designed around the driver needs and

ergonomic requirements

• Using driver feedbacks, iterations were performed to deliver better ride performance

• Material Used : AISI 1018

seamless tubes

• Achieved weight reduction of

10.55% compared to previous year

Suspension Design• Independent double wishbone suspension linkage

configuration was used.

• Front Uprights designed to withstand bump loads and breaking torques with a FoS of 3.5 using EN 24

• Rear Uprights Designed to withstand bump loads with a FoS of 1.6 using Aluminium 6063

Skills Honed:• Solid Modeling

• FEA Analysis

• DFA & DFM

• DFMEA

• Prototyping

• MIG Welding

• Lathe and Milling

• Drilling

• Team Management

• Leadership

• Logistics and PR

HABITATTElectronic Tattoos for Emotional Wellbeing

INSPIRATION

One effective way to treat mental illness is by helping patients rewire their existing, negative patterns into positive, new ones.

Habitatt empowers users to interrupt negative thought patterns and replace

them with positive ones.

Image Source: http://www.loveyourdesign.com/

HABITATT Ideation• We were interested in looking

into the mental health space, and were specifically fascinated by how we might bring habit-forming behaviors to wearable space.

• We brainstormed types of habits that we could encourage such as reminding kids to brush their teeth but once we settled on taking up individual’s mental health, we brainstormed several interactions with tattoo.

Prototyping & Working• Habitatt consists of three different layers on the

skin. The layer closest to the skin is an insulating layer, designed to help mitigate noise readings due to the natural conductivity of the skin.

• The next layer consists of conductive ink, joined to wiring via copper tape. This serves as the actual circuitry, which we can connect an Arduino and other components to.

• The top layer is the art layer, or the visible tattoo design. Based on user interviews and independent research, we created a variety of designs symbolically associated with healing and well-being.

EXO-KNEERobotic Industrial Knee

INSPIRATION

Assist user when squatting and be completely free in all other cases (standing,

walking, walking up or down stairs)

Image Source: Luis Miguel Sanchez

EXO_KNEERobotic Industrial Knee

• Coded Arduino Mega to

read serial port data

from two IMUs and

actuate servomotor

which in turn would

trigger spring

mechanism

• Using IMUs, I

measured real-time

thigh angles to

differentiate between

walking downstairs and

squatting (similar

motion)

Arduino position on Exo-knee

Arduino and IMUs were programmed to

actuate a servomotor when algorithm

condition is met:

IMU1 > -40 && IMU2 >-40

HELMET DESIGNCapstone Project

INSPIRATION

Over 1,000,000 high-school football players at risk of

concussion injuries in long term

Players experience about 5-10 tackles per game which areabove 90 g acceleration (concussion calibre)

Image Source: Nymag.com

HELMET DESIGNCapstone Project

Concept• Formulated a R&D toolbox for a

new entrant to Football helmet

market.

• The toolbox contains: Go-to market

strategy, IP strategy, product

lifecycle, modelling techniques and

validation process.

• Developed a simple CAD model of

leading helmet which can be used in

future to propose design changes.

Skills Used:• FEA Analysis

• DFA

• DFM

• Prototyping

wine & wineDesign Challenge

INSPIRATION

To improve the experience of people in long-distance relationship by allowing

them to share common activity

Image Source: http://www.tiaratirr.blogspot.com

Concept Generation and

Prototyping

Tasks:• Empathy generation

• Insights

identification

• Need finding

• Design Solutions

• Concept Sketches

• User Feedback

• Final Prototype

User Feedback and Final prototype

“It is great idea for

the type of couples

who do stuff

together like Skype

dates and distance

dinner dates.” -

Adam

Product

A pair of synchronized wine

glasses with real time display

of the amount of wine in the

other cup. Once the top-off

button is pressed on a phone

app, the top-off button will

light up on your partner's

glass indicating to them that

you would like them to top

off their wine glass.

DORAMove, Explore and Gift !

INSPIRATION

Dora is a traveling gift-box, meant to encourage people to move and explore the space around them and spread a little joy

in their community

Dora comes with her own Twitter account and website where she pings and maps her

current location for people to find her along with an opinion or interesting fact.

Image Source: http://gothamgal.com/2013/12/gift-giving/

DORA- Design Phase

Brainstorm

Napkin Sketches

Prototype

User Feedback

• Pinging

Location

• Reinvent

purpose of a

cart

• Explore on foot

• Random Acts

of Kindness

Design Space

TECHNOLOGY

Arduino

Laser cutting

GPS

Tracking

Live TweetGPS Breakout Wi-Fi Shield Heroku

• Once someone approaches Dora, she

greets them and expresses her desire to

go somewhere nearby. This was done

with use of proximity sensor and on-

board speakers

• Once the destination has been reached,

the user can pick a gift from the box

which gets unlocked and leave behind a

present for the next person to find.

• All this was done using an Arduino +

C3000 (Wi-Fi) + GPS breakout to

tweet live location of Dora

How it Works

FRUNGESmart Sponge Case

INSPIRATION

Sharing a kitchen can be challenging as housemates try to manage their busy

schedules and remember (or avoid) to wash the dishes.

Seamlessly embedded into the interaction of washing dishes, Frunge allows

housemates to leave each other messages which play back when another housemate

comes by to use the sink.

Image Source: https://loveinlufkin.files.wordpress.com/2013/05/photo3.jpg

FRUNGE Idea Generation• While brainstorming ideas and

sharing pictures of our kitchen, we noticed that we all had roommates that did not pick up after themselves.

• So, we wanted to create an object that not only motivated people to clean, but rather, one that went a level deeper and tried to deal with the social aspect, or lack thereof, in this particular kitchen dynamic

Prototyping & Working• The initial solid model was prepared on SolidWorks

and full-scale foam-core model was prepared

• Once the fitment of all components (Arduino, Speaker and breadboard) was ensures, I made a final model cutting colored Acrylic sheets on laser-cutter and assembling them using tab joints & glue.

• A housemate could record a message and when next housemate picks up Sponge to wash dishes, it automatically plays recorded messages (using Photo-diode) which transforms passive aggression into motivation.

SMOKESCOPE5 Cent Smoke Detector

INSPIRATION

Over 3,000,000,000 people use three stone fire for cooking food which kills about 4 million people every year due to black

smoke produced by it

LNBL has developed an efficient cookstove but needs a low-cost device

which could measure the adoption of the new cookstove

Image Source: http://www.jced.net/projects/cook-stoves/

SMOKESCOPE5 Cent Smoke Detector

Prototypes• Based on user research we wanted to

generate empathy and design a product that fits in their environment.

• Team narrowed down on two ideas:

• A toy which absorbs smoke

• A camera device to take picture of exposed walls

Prototype and B-Model• Conducted multiple user interviews and

brainstorming session and developed a SmokeScope, a camera phone which would take pictures of exposed kitchen walls and compare to base white color

• The housing will fit I-phone, will be made out of ABS and will provide a controlled environment to obtain similar image every time product is used

• The fictitious company would leverage the already existing Carbon credit market

Thank you for checking out my work !!!!

Resume available on request

shubhamgargdce@hotmail.com

510.697.9492