Automated Drink Maker
Design Concepts
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Our Team - Carnegie Mellon University MechE
Laura Reichard
Denis Alpay
Helen Wang
Sebastian Levy
Anaya Bhammar
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Problem Statement
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Existing Approaches
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Barsys 2.0+
Barsys 360
Mission Statement
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Mission Statement | To create a novel drink making machine for household use that can store and prepare a number of drink recipes and package those drinks in sealed pouches.” |
Opportunity Statement | The product will gives the user the ability to create packaged drinks that they can take anywhere with them |
Primary Market | Homeowners |
Secondary Market | Other places that offer drinks. Bars, conferences, weddings, activity clubs etc |
Assumptions | Lower budget compared to the existing products Save users’ time Safety - protect the drinks from suspicious materials |
Stakeholders | FDA, User, Manufacturer/ Producer Retailers |
Our Primary Market is Home Users who would like to make drinks at home and our Secondary Market is other places that offer drinks (bars, college parties, social events, etc)
Home Owners
College Students
Families
Other individuals
who want to take drinks on the go
who trust drinking sealed drinks
who want a quick and easy way to make drinks at home when having guests
who want to tailor their drink of choice to their preference
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Demonstration
For our final demo, we would like to engage with the audience to custom make their own drink
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Customer Requirements
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Customer Requirements
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Target Specs
Requirement 1: Drink Maker is easy to clean
Metric: Parts can be separated and cleaned without damaging machine
Requirement 2: Drink Maker is customizable
Metric: User shall be able to enter custom recipes in to the system.
Requirement 3: Drink maker is compact in size + Aesthetically Pleasing
Metric: The maximum dimensions of the product shall not exceed 10 x 15 x 20 inches (fits in a cabinet)
Requirement 4: Drink maker makes drinks fast
Metric: The system shall be able to prepare and package a drink in less than 3 minutes.
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Needs Metric Matrix
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Metric # | Need # | Metric | Units | Importance (1-6) | Comp A | Comp B | Marginal | Ideal |
1 | 1 | Ease of Maintenance | list | 5 | 8 | 5 | 8 | 9 |
2 | 2 | Customizable | list | 4 | 5 | 5 | 5 | 6 |
3 | 3 | Compact | # | 3 | 5 | 6 | 6 | 7 |
4 | 4 | Efficiency | # | 1 | 7 | 8 | 6 | 9 |
5 | 3 | Aesthetically pleasing | subjective | 2 | 5 | 9 | 6 | 10 |
Functional Decomposition (Hierarchy)
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Stores Liquids
Store Materials
Make a packaged or unpackaged drink.
Packages Drink
Stores Electronics
Secures Container
Release Container
Seals Container
Moves Ingredients
Retrieve Ingredients
Dispense Ingredients
Mix materials (?)
Takes user input
Engages with User
Displays Status
Store Presets
Select Ingredient volumes
Mixing Status
Sealing Status
Measures Ingredients
Functional Decomposition (Concept Flow)
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Select Cup or Pouch
Select Recipes or Volumes
Hold Cup
Store Liquids
Hold Pouch
Retrieve Liquids
Open Pouch
Measure Liquids
Fill Container
Return to original position
Release Container
Move Container
Seal Pouch
User Interface
Stores Materials
Measures liquids
Packages Drink
Moves liquids
Functional Decomposition (Black Box Flows)
Stores Materials
Moves Ingredients
Packages Drink
Engages with Users
Electricity
Ingredients
Concept Generation
All our concepts grouped together by sub-function.
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Concept Generation
Chosen concepts to run through our decision matrix (screening matrix).
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Critical Sketches by Subsystem
Storing
Moving/Measuring
Sealing
UI
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Screening Matrix - Storing
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| | Concepts | |||||||||
Criteria | Ref | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 |
Feasibility | 0 | 1 | 0 | 1 | 1 | -1 | -1 | -1 | 0 | 1 | -1 |
Maintenance | 0 | 0 | 0 | 1 | -1 | 0 | 1 | -1 | -1 | -1 | 1 |
# Ingredients | 0 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
Repeatability | 0 | 0 | 0 | 0 | -1 | 1 | 0 | 1 | 1 | -1 | -1 |
Safety | 0 | 0 | -1 | 0 | 1 | 1 | 1 | 1 | 1 | 0 | 1 |
TOTAL | 0 | 2 | 0 | 3 | 1 | 2 | 3 | 1 | 2 | 0 | 1 |
Decision Matrix - Storing
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WEIGHT | Rating | Total | Rating | Total | Rating | Total | Rating | Total | Rating | Total |
3 | 5 | 15 | 5 | 15 | 3 | 9 | 5 | 15 | 5 | 15 |
4 | 3 | 12 | 5 | 20 | 3 | 12 | 3 | 12 | 3 | 12 |
1 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 |
2 | 3 | 6 | 5 | 10 | 4 | 8 | 3 | 6 | 3 | 6 |
4 | 5 | 20 | 3 | 12 | 4 | 16 | 5 | 25 | 5 | 20 |
| | 56 | | 60 | | 48 | | 61 | | 56 |
Using Drink Bottles | Upside Down Bottles | Wooden Barrels | Proprietary Steel tanks/plastic bottles | Right Side Up |
Feasibility |
Easy to Clean |
Qty of Ingredients |
Repeatability |
Safety |
TOTAL |
Storing Ingredients - Chosen Concept
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Screening Matrix - Moving
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| | Ideas | ||||||||||
Criteria | Ref | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 |
Feasibility | 0 | 1 | 1 | -1 | 0 | -1 | 0 | -1 | -1 | 1 | -1 | 1 |
Efficiency | 0 | 1 | 1 | 1 | 1 | 0 | 0 | -1 | 1 | -1 | 1 | 1 |
Accuracy | 0 | 1 | -1 | 1 | -1 | 1 | 1 | 1 | 0 | 1 | 1 | -1 |
Repeatability | 0 | 1 | 1 | 0 | 1 | -1 | 0 | 1 | 1 | 1 | 0 | -1 |
Safety | 0 | 0 | 1 | -1 | 0 | 1 | -1 | 0 | 0 | -1 | -1 | 0 |
TOTAL | 0 | 4 | 2 | 1 | 1 | 0 | 0 | 0 | 1 | 1 | 0 | 0 |
Decision Matrix - Moving Ingredients
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WEIGHT | Rating | Total | Rating | Total | Rating | Total | Rating | Total |
1 | 1 | 1 | 3 | 3 | 4 | 4 | 5 | 5 |
2 | 5 | 10 | 3 | 6 | 5 | 10 | 3 | 6 |
4 | 3 | 12 | 3 | 12 | 5 | 20 | 3 | 12 |
3 | 5 | 15 | 3 | 9 | 5 | 15 | 5 | 15 |
5 | 3 | 15 | 3 | 15 | 5 | 25 | 5 | 25 |
| | 53 | | 45 | | 74 | | 63 |
Moving Glass Under Nozzles | Turn Table | Positive Displacement Pump | Gravity |
Efficiency |
Feasibility |
Accuracy |
Repeatability |
Safety |
TOTAL |
Moving Ingredients - Chosen Concept
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Screening Matrix - Measuring
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| | Ideas | ||||||||
Criteria | Ref | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 |
Feasibility | 0 | 1 | 1 | 1 | 1 | 0 | -1 | -1 | 1 | 1 |
Efficiency | 0 | 0 | 1 | 1 | -1 | -1 | 1 | 1 | 1 | -1 |
Accuracy | 0 | -1 | 1 | 1 | 0 | -1 | -1 | -1 | -1 | 1 |
Repeatability | 0 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | -1 |
Safety | 0 | 1 | 1 | 1 | 0 | 1 | 1 | 1 | 1 | 0 |
TOTAL | 0 | 2 | 5 | 5 | 1 | 0 | 1 | 1 | 3 | 0 |
Decision Matrix - Measuring
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WEIGHT | Rating | Total | Rating | Total | Rating | Total | Rating | Total |
4 | 5 | 20 | 3 | 12 | 3 | 12 | 3 | 12 |
2 | 4 | 8 | 3 | 6 | 3 | 6 | 3 | 6 |
1 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 |
3 | 3 | 9 | 5 | 15 | 3 | 9 | 5 | 15 |
5 | 5 | 25 | 5 | 25 | 5 | 25 | 5 | 25 |
| | 67 | | 66 | | 57 | | 63 |
Weight Sensor | Flow Sensor | Optical Sensor | Timer |
Accuracy |
Efficiency |
Feasibility |
Repeatability |
Safety |
TOTAL |
Measuring Ingredients - Chosen Concept
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Screening Matrix - Sealing
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| | Ideas | |||||||||
Criteria | Ref | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 |
Feasibility | 0 | 1 | -1 | 1 | 1 | 1 | 1 | -1 | -1 | 0 | -1 |
Efficiency | 0 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 0 | 1 | 1 |
Accuracy | 0 | 1 | -1 | 1 | -1 | -1 | 0 | -1 | -1 | 0 | -1 |
Repeatability | 0 | 1 | 1 | -1 | 1 | 1 | -1 | 1 | 1 | 1 | 1 |
Safety | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | -1 | 0 |
TOTAL | 0 | 4 | 0 | 2 | 2 | 2 | 1 | 1 | 0 | 1 | 0 |
Decision Matrix - Sealing Mechanism
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WEIGHT | Rating | Total | Rating | Total | Rating | Total | Rating | Total | Rating | Total |
1 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 |
2 | 4 | 8 | 3 | 6 | 3 | 6 | 3 | 6 | 3 | 6 |
4 | 5 | 20 | 4 | 16 | 4 | 16 | 3 | 12 | 3 | 12 |
3 | 5 | 15 | 5 | 15 | 5 | 15 | 5 | 15 | 5 | 15 |
5 | 5 | 25 | 5 | 25 | 5 | 25 | 5 | 25 | 5 | 25 |
| | 71 | | 65 | | 65 | | 61 | | 61 |
Both Plates moving: Two-finger parallel jaw gripper | 1 Plate Moving: Piston | 1 Plate Moving: Gear | 1 Plate Moving: Scotch-Yoke | 1 Plate Moving: Screw |
Aesthetics |
Space Efficiency |
Accuracy |
Repeatability |
Safety |
TOTAL |
Sealing Mechanism - Chosen Concept
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Sealing Mechanism - Alternative Concept
Lead Screw Mechanism:
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Screening Matrix - User Interface
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| | Ideas | |||||||||
Criteria | Ref | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 |
Feasibility | 0 | 0 | 1 | 1 | 1 | -1 | -1 | 1 | -1 | -1 | 1 |
User Friendly | 0 | 1 | -1 | 0 | -1 | -1 | 1 | -1 | 1 | -1 | -1 |
Accuracy | 0 | 1 | -1 | -1 | 1 | 1 | -1 | 0 | 1 | 1 | -1 |
Repeatability | 0 | 1 | 1 | 1 | -1 | 1 | 1 | 0 | 1 | 1 | 1 |
Safety | 0 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
TOTAL | 0 | 4 | 1 | 2 | 1 | 1 | 1 | 1 | 3 | 1 | 1 |
Decision Matrix - User Interface
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WEIGHT | Rating | Total | Rating | Total | Rating | Total | Rating | Total | Rating | Total |
1 | 4 | 4 | 5 | 5 | 5 | 5 | 2 | 2 | 3 | 3 |
3 | 5 | 15 | 3 | 9 | 4 | 12 | 5 | 15 | 4 | 12 |
2 | 5 | 10 | 3 | 6 | 4 | 8 | 5 | 10 | 3 | 6 |
4 | 5 | 20 | 4 | 16 | 4 | 16 | 5 | 20 | 4 | 16 |
| | 49 | | 36 | | 41 | | 47 | | 38 |
Touch Screen | Knobs | Buttons | Bluetooth/Wifi | Slider Controls |
Feasibility |
Accuracy |
User Friendly |
Aesthetic |
TOTAL |
User Interface - Chosen Concept
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More traditional Screen UI
Tentative full system design based on chosen subsystems
Ingredient Tanks
Sealing Mechanism
User Interface
Pouch Holder
CONCEPT ART
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CAD MODEL
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Overall View
Front view
Left side view
Initial CAD MODEL
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Feasibility & Challenges- Mechanics
Our main mechanics challenges will be:
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Feasibility & Challenges - Electronics
Our main electronics challenges will be:
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Electronics - Nichrome Wire Heating Calculations
Knowns/Assumptions
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Electronics - Nichrome Wire Heating Calculations
Amount of Energy Required to Heat Metal and Melt Plastic:
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Electronics - Nichrome Wire Heating Calculations
Current/Voltage Calculations
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Feasibility & Challenges - Computation
Our main computation challenges will be:
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Computation - Heating Element Control System
Components:
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Feasibility & Challenges - Systems
Our main system challenge will be the User Interface.
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Project Timeline
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PDR 9/27
Prototype 1
Sealing Mechanism
Pump System
Sensors
CDR
Tanks
Functional UI
Order Materials
10/15
Test + User Feedback
11/10
Design Expo!
11/17
Enclosure Design
12/10
Modifications
Modifications
Pouch Holder