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TEAM MEMBERS: Bryan Sonnier – Project Manager Jonathan Tindall – Hardware Engineer Julian Coleman – Software Engineer Tam Bui – Test Engineer Bryan Sonnier – Project Manager Jonathan Tindall – Hardware Engineer & Julian Coleman – Software Engineer Tam Bui –Test Engineer Project Advisor – Dr. Wei Zhan Project Sponsor – OI Analytical Project SAMURAI: SAM Unit Redesign and Integration 2 CO2 concentration increases due to: Poorly ventilated areas Combustion of fossil fuels Human respiration Exposure to elevated levels can lead to hypercapnia, resulting in possible death CO2 (ppm) http://en.wikipedia.org/wiki/ File:Carbon-dioxide-3DvdW.svg Warning Level Side Effects 300-400 None None 10,000 Low Slight drowsiness, headache 20,000 Medium Chest heaviness, more frequent and deeper respirations 30,000 High Breathing rate doubles, heart rate increases, risk acidosis 50,000 Critical Sensory dysfunction, unconsciousness, death Information from http://www.inspect-ny.com/hazmat/CO2gashaz.htm 3 SAM filters can detect various gases including CO2 and refrigerants Detects leaks sooner and at lower levels to avoid air quality fines Section 609 of EPA’s Clean Air Act allows for fines of $32,500 per day! OSHA Indoor Air Quality Standards http://www.oico.com Wide range of industrial and commercial applications 4 SAMURAI: SAM Unit Redesign and Integration Fully integrate Windows CE environment Develop remote configuration application Create peripheral interface board Develop standalone remote monitor with LCD Design power inverter for pump 5 Final product has the potential to save lives Opportunity to give new face to product line Installation cost is currently too high for some customers Reduce operating costs by eliminating avoidable fines 6 Problem Statement Functional Requirements Conceptual Block Diagram Functional Block Diagram 7 “How can Dynamic Design revitalize OI Analytical’s SAM Unit product line by adding features and functionality while reducing cost to the customer?” 8 Power Inverter Board - Convert 24V DC to 115V AC Peripheral Interface - Provide multiple RS-485 connections - Provide 24V DC connector to the internal unit CE Board - Control Modbus slaves - Provide GUI interface - Monitor CO2 levels - Activate alarms corresponding to PPM levels 9 Expansion Module - Provide up to 8 gas sample channels - Monitor temperature around sample area Remote Monitor - Display channel and PPM levels - View Sam Unit settings 10 New Boards Carbon Dioxide Source Old Boards Zero Intake Remote Monitor 10 PPM SAM Windows CE Interface Alarm 10 PPM MODBUS Expansion Unit 24V DC Gas Valves Inverter Gas Sensor RS-485 Microprocessor Remote Application Gas Pump Ethernet WWW Main Board Interface Board 11 … 12 Expansion Module 13 14 15 16 17 18 19 20 1. 2. 3. 4. 5. 6. 7. 8. 9. Approval of completed test plan Approval of initial hardware designs Acceptance of final hardware designs Acceptance of remote monitor application Acceptance of Windows CE application Acceptance of the expansion module application Acceptance of the final test results Acceptance of completed user manual Acceptance of fully functional working prototype 21 Hardware Schematics with Revisions 2. PCB layout 3. Bill of Materials 4. PCB boards 1. Software GUI Mockup 6. Hierarchy Chart 7. Flow Chart 8. Documented Source Code 5. 22 System 9. Weekly TAT Meetings (not represented on timeline) 10. Test Plan 11. Critical Design Review 12. Test Report 13. Final Presentation and Demonstration 14. User Manual 15. Fully Functional and Working Prototype 16. Final Project Report 23 Description Cost Labor • 4 engineers x $30/hr x 25 hrs/week x 16 weeks (1,600 Total Hours) $40,000 Software • OrCAD – $9,995 • PADS – $3,495 • Visual Studio .NET 2008 – $800 $14,290 Hardware and Materials • PCBs and components – $600 • SAM Unit – CFE $600 Workstation $1,000 Lab Equipment • Oscilloscope – $2,000 • Other – $2,000 $4,000 Total $59,890 24 25 Testing Experience Two years of experience as a Dell representative diagnosing and testing damaged laptops Three years using various testing equipment Involved in frequent testing of small components and printed circuit boards Technical Qualifications Previous experience with RS-485 and Modbus communication Experience with the designing process and layout of a PCB 26 Hardware Experience Circuit design using Multisim and PSpice PCB design using Ultiboard Two years experience in hardware troubleshooting Software Experience Has experience with C,C++, and assembly languages 27 Technical Qualifications Extensive knowledge in C, C++, Java, PHP and assembly as well as other programming languages A+ Certified Computer Technician Engineering Experience Experienced with the Microchip PIC24 microcontroller and Freescale MPC 555 Designed temperature monitor with signal conditioning that utilized Modbus communications over RS-485 28 Management Experience Advertising manager for 4.0 & Go ▪ Responsible for advertising schedules for 12 employees ▪ Recommended solutions that increased profits over 30% Account manager for AmeriCommerce ▪ Handled accounts for 20 online retailers ▪ Developed Web pages and graphic design Technical Qualifications Six years experience with various programming languages Two years experience with PCB design 29 Technical Merit Factor Weight Project Contains: A clearly described and completely understood technical challenge A requirement for system integration A requirement for system testing A requirement for analysis Hardware design, development and test Software design, development and test A hardware fabrication requirement, typically a prototype 0.1 0.2 0.2 0.2 0.3 0.3 0.2 Preliminary Technical Merit Evaluation: 1.5 30 Technical Merit Factor Weight Project Contains: A clearly described and completely understood technical challenge Windows CE environment Remote Configuration Application Must adapt to OI Analytical’s Modbus specifications 0.1 Preliminary Technical Merit Evaluation: 0.1 31 Technical Merit Factor Weight Project Contains: A clearly described and completely understood technical challenge A requirement for system integration Transition system to Windows CE environment Peripheral interface board Expansion module board Adapt to OI Analytical’s Modbus specifications 0.1 0.2 Preliminary Technical Merit Evaluation: 0.3 32 Technical Merit Factor Weight Project Contains: A clearly described and completely understood technical challenge A requirement for system integration A requirement for system testing Includes current test procedures 0.1 0.2 0.2 Preliminary Technical Merit Evaluation: 0.5 33 Technical Merit Factor Weight Project Contains: A clearly described and completely understood technical challenge A requirement for system integration A requirement for system testing A requirement for analysis Characterize temperature sensor 0.1 0.2 0.2 0.2 Preliminary Technical Merit Evaluation: 0.7 34 Technical Merit Factor Weight Project Contains: A clearly described and completely understood technical challenge A requirement for system integration A requirement for system testing A requirement for analysis Hardware design, development and test Power inverter Peripheral interface board Expansion board Remote Monitor 0.1 0.2 0.2 0.2 0.3 Preliminary Technical Merit Evaluation: 1.0 35 Technical Merit Factor Weight Project Contains: A clearly described and completely understood technical challenge A requirement for system integration A requirement for system testing A requirement for analysis Hardware design, development and test Software design, development and test Windows CE environment Remote configuration application Remote monitoring display interface 0.1 0.2 0.2 0.2 0.3 0.3 Preliminary Technical Merit Evaluation: 1.3 36 Technical Merit Factor Weight Project Contains: A clearly described and completely understood technical challenge A requirement for system integration A requirement for system testing A requirement for analysis Hardware design, development and test Software design, development and test A hardware fabrication requirement, typically a prototype Modify expansion module enclosure to accommodate communication and power connectors Remote monitor will need an enclosure 0.1 0.2 0.2 0.2 0.3 0.3 0.2 Preliminary Technical Merit Evaluation: 1.5 37 Technical Merit Factor Weight Project Contains: A clearly described and completely understood technical challenge A requirement for system integration A requirement for system testing A requirement for analysis Hardware design, development and test Software design, development and test A hardware fabrication requirement, typically a prototype A requirement for documentation other than the project report A requirement for intellectual property protection 0.1 0.2 0.2 0.2 0.3 0.3 0.2 0.2 0.1 Preliminary Technical Merit Evaluation: 1.5 38 Thank you for your time! Questions? 39