PRELIMINARY DESIGN REVIEW P09321 – AUTOMATED MEDICINE DISPENSER Date Time 11-12:30 Room ‏ Michael Boquard (CE) ‏ Felix Feliz (ME) ‏ Rebecca Jaiven (EE) (Lead Engineer) ‏ Matthew Jones (ME) ‏ Shuaib Mansoori (EE) ‏ Justin Zagorski (IE) (Team Leader) ‏ 1

OVERVIEW 1. Intro 1. Project Description 2. Roles and Responsibilities 2. Customer Requirements & Engineering Specifications 3. Summary of Concept Selection 4. Electrical System Summary 5. Software System Summary 6. Preliminary System Integration 7. Risks & Issues 8. Schedule 2

INTRO – PROJECT DESCRIPTION o Produce a robust prototype that dispenses medication on a time-based schedule to patients in a secure and accountable environment. o Allow to dispense a week’s supply of up to 6 different pills for two patients accessed twice daily. o Reliable and compact electro-mechanical dispensing system that can be controlled by a common laptop. 3

INTRO – PROJECT DESCRIPTION 4 User inputs finger print information Laptop communicates information to the dispenser Dispenser produces medicine

INTRO - SCOPE Start with a working prototype. ~5 years outdated Modify to meet customer needs and specifications. Deliver functioning prototype by end of MSDII. 5

INTRO – Target End User One who takes medication on a regular basis, is technologically capable*, and desires to have their medication in a safe and secure environment. * a technology capable person is familiar with basic computer functions and/or has the willingness to learn. 6

ROLES & RESPONSIBILITIES Justin Zagorski (IE) Team Leader Rebecca Jaiven (EE) Lead Engineer Michael Boquard (CE) ‏ Felix Feliz (ME) ‏ Matthew Jones (ME) ‏ Shuiab Mansoori (EE) D. Phillips (EE) ‏ E. Hanzlik (ME) ‏ John Veenstra GUI & Interfacing Design & Manufacturing Electrical Components & Circuitry Faculty Guide Faculty Advisor Sponsor 7

OVERVIEW 1. Intro 1. Project Description 2. Roles and Responsibilities 2. Customer Requirements & Engineering Specifications 3. Summary of Concept Selection 4. Electrical System Summary 5. Software System Summary 6. Preliminary System Integration 7. Risks & Issues 8. Schedule 8

Critical Customer Needs and Engineering Specifications Customer Needs 1. Laptop Interface ° Security™ a. Ensure accountability for delivery and distribution of medication. 3. Properly and Reliably Dispense Medication a. Dispenses medication for two people, twice a day for a week, for six different medications each distribution. 4. Portable Engineering Specs 1. Biometric Access a. CN of security/laptop 2. Software properly access appropriate location and no mechanical failures a. CN properly and reliably dispenses medicine 3. Different levels of user access a. CN security 4. Size/weight limits a. CN portability 9 Appendix B: House of Quality

Pareto Chart - Specifications 10

OVERVIEW 1. Intro 1. Project Description 2. Roles and Responsibilities 2. Customer Requirements & Engineering Specifications 3. Summary of Concept Selection 4. Electrical System Summary 5. Software System Summary 6. Preliminary System Integration 7. Risks & Issues 8. Schedule 11

Top 3 Designs 12 Datum123 Size Security Scalability Simplicity Reliability Ease of Use Return Area Packaging 0 01 + -  0678 Scale: 0 is neutral 1 is positive -1 is negative Appendix C: Full PUGH Chart

Selected Design – Concept Empty Return Collapsible Legs Hinges Collapsible Ramp FeaturesSpecification met Collapsible LegsMobility Collapsible RampMobility Return SlotPassive Security Sheet aluminum body Light weight Small FootprintMobility 13

Selected Design - Modeling 14 Unfolded Collapsed *Collapsed dimensions: 11”x11”x6” Front views Rear views Unfolded Collapsed *Collapsed dimensions: 11”x11”x6” Front views Rear views

OVERVIEW 1. Intro 1. Project Description 2. Roles and Responsibilities 2. Customer Requirements & Engineering Specifications 3. Summary of Concept Selection 4. Electrical System Summary 5. Software System Summary 6. Preliminary System Integration 7. Risks & Issues 8. Schedule 15

Existing Electrical System Schematic in Appendix B 16 Appendix D: Schematics

Proposed Electrical System 17

System Level Changes - Electrical 18 ExistingChangeReason 3.3V RegulatorRemove Not necessary to power components Mux/ DemuxRemoveReplace with FPGA System ROMUpdateOld Technology Non-standard connectorChangeTo USB 2.0 for standardization Memory Card ConnectorRemoveReplace with Laptop MicrocontrollerRemoveReplace with Laptop FPGAUpdateOld Technology

OVERVIEW 1. Intro 1. Project Description 2. Roles and Responsibilities 2. Customer Requirements & Engineering Specifications 3. Summary of Concept Selection 4. Electrical System Summary 5. Software System Summary 6. Preliminary System Integration 7. Risks & Issues 8. Schedule 19

Firmware Data Flow 20

Firmware Data Flow 21

Firmware Finite State Machine (FSM) 22

Levels of User Access 23 o User 1 – Patient o User 2 – Refiller o User 3 – Delivery o User 4 – Administration The prescription is changed by the Doctor who informs that pharmacist who changes the pills placed into the cartridge.

User 1

User 2 Appendix G: Detailed Refill Process

User 3 Delivery

User 4

OVERVIEW 1. Intro 1. Project Description 2. Roles and Responsibilities 2. Customer Requirements & Engineering Specifications 3. Summary of Concept Selection 4. Electrical System Summary 5. Software System Summary 6. Preliminary System Integration 7. Risks & Issues 8. Schedule 28

Preliminary System Integration o Electrical-Software Software controls TTL signal that sends signal high o Mechanical- Electrical Electrical will mount on prototype on designated space Electrical will power Nitinol drivers 29

Preliminary System Integration 30

OVERVIEW 1. Intro 1. Project Description 2. Roles and Responsibilities 2. Customer Requirements & Engineering Specifications 3. Summary of Concept Selection 4. Electrical System Summary 5. Software System Summary 6. Preliminary System Integration 7. Risks & Issues 8. Schedule 31

RISKS 5 – Life Threatening 4 - Nonfunctional Prototype 3 – Fixable Glitch 2- Outside of Design Control 1 – Not critical to functionality RiskLevelHow to Mitigate False positive/negative on biometric scanner5Use best possible scanner within budget Incorrect medication fill5Individual held accountable - datalogging, pick list Dispensing from incorrect location5Double-check programming, circuitry Hardware compatibility (USB drivers)4Test on multiple computers, make sure drivers are up to date Unauthorized access4Fingerprint access, any access is logged Power Outage4 Advise customer to supply UPS Dropping / Impact3Ensure case design is robust Biometric scanner malfunction3Users will have a backup PIN OS compatibility3Test on multiple computers, include necessary software Firmware patches3Ensure updates can be made easily using OS Incomplete or Incorrect Documentation3Evaluate and organize Mechanical Jam3Careful selection of hinges/validation testing User forgets to take medication2Alarm/indicator on unit Pill breakage2Pad cartridge caps Return slot full2Properly sized return area Water damage1Alert users with warning label Excessive Weight1Re-evaluate Concept Selection 32

ISSUES (Most important to least) ‏ 1. Time 2. Scope Creep 3. Availability of machine shop/electrical components/Nitinol fibers & latches 4. OS updates 5. Team schedules conflicting 6. Available computers/people for testing 7. Ramp packaging space (hinge thickness) ‏ 8. Cartridge loaded and delivered in different time zones 33

OVERVIEW 1. Intro 1. Project Description 2. Roles and Responsibilities 2. Customer Requirements & Engineering Specifications 3. Summary of Concept Selection 4. Electrical System Summary 5. Software System Summary 6. Preliminary System Integration 7. Risks & Issues 8. Schedule 34

MSDI Timeline 35 Appendix H: MS Project Links

MSDII Timeline 36

BACK UP SLIDES (Appendix, extra info, etc..) 37

Appendix Appendix A – One Page Project Summary Appendix B – House of Quality Appendix C – PUGH Chart Appendix D – Schematics 38

Appendix Appendix E – FEA Ansys Analysis Appendix F – Material Selection Matrix Appendix G – Refill Process Detailed Appendix H – MS Project Link 39