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					                 design associates




                 Ozone Monitor Device


     Lockheed Martin / Advanced Technology Center

                             Gate 1 Review

                            October 11, 2007



ENGR 498 2007-2008
                  design associates



                         Design Team
      Nick Loukas                     Zach Denny
           Proj. Manager, SOW            EVMS
      Lucas Baer                      Donna Kim
           TRD                           EVMS
      Suzanne Bell                    Kyri Loizou
           SOW                           TRD


                          Rich Tansey, Sponsor
10/11/07


 ENGR 498 2007-2008
              design associates

Ozone Monitor Device Problem Statement
Task
       Design a portable optical sensor system
       capable of measuring UVA and UVB light.
Requirements
       Portable
       Operate outdoors (for a min. Of 7 days)
       Data transferrable to personal computer to be
       graphed vs. time
       Applications including use as global warming
       monitor
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               design associates

            Requirements Determination
    We interviewed: Rich Tansey
                                 Dr. Kurtis Thome
                                 Dr. Roman Lysecky
    We visited and researched:
    •   http://sales.hamamatsu.com/
    • http://www.dataq.com/
    • http://www.logicbeach.com/
    • http://www.solarlight.com
    • http://www.edmundoptics.com
    • http://www.dicksondata.com/info/home.php
    • http://www.eoc-inc.com/
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                  design associates

                          Contract Highlights
     Intellectual property shall enter into the public domain
     Material cost agreement – Use allowed IEDP budget
           Sponsor may have the option to give additional funds if necessary
     Deliverables:
    CLIN                  Description                       Delivery      Cost
    001                   Ozone Monitor Device              May 08        $2,000.00
    002                   Final Report                      May 08        n/a
    003                   Technical Data Package            May 08        n/a
    004                   Operations Manual                 May 08        n/a
    005               Device Test Results/Risk Analysis     May 08        n/a

     All deliverable shall be in accordance with the Statement of Work and
     Technical Requirements Document. The Earned Value Management
     System shall be used throughout the project to ensure the terms of this
     contract are met.
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    SOW - Scope & Applicable Documents
     Scope
       Optical sensor system capable of measuring UVA and
       UVB light.
       Portable and have a built-in power supply capable of
       running the components for a minimum of seven
       days.
       Research applications
          Ozone depletion
     Applicable Documents
       Order of Precedence: (1) SOW (2) TRD (3) Other
       Specifications: Technical Requirements Document
       Standards: RS-232, USB 1.0/2.0 (Serial
       Communication Protocols)
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    SOW - Program Management & Meetings and
                   Reviews
    Program Management
      Program Status Reporting
      Work Breakdown Structure
      Earned Value Measurement System
      Cost Control and Reporting


    Meetings and Reviews
      Design Reviews
      System Requirement/Design Review
      Preliminary Design Review
      Critical Design Review

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             design associates
     SOW - Systems, Hardware & Software
                Engineering
    Systems Engineering
      Systems Interfaces
      System Design Specifications
          System Requirements Verification Matrix (SRVM)
    Hardware Engineering
      Technical Data Package
          Technical Drawings
          Installation Control Drawings
    Software Engineering
      Software Purchased or Designed
      Software Design Documentation (as necessary)
          Include source code, interface design description, and a
          user’s manual.
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               design associates

                    SOW - System Test
     System Requirements Verification Matrix
     Environmental Testing
Shock                              Sand & Dust
High Temperature                   Icing/Freezing Rain
Low Temperature                    Low Pressure
Humidity                           Rain
Pressure                           Vibration
                                     Technical Drawings
                                     Installation Control Drawings


    Environmental Test results will be incorporated
          into Risk Management and Safety
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               design associates

                          Deliverables
     Ozone Monitor Device
       Constructed of final selected materials.
       Software necessary to run, configure, and
       retrieve data from OMD
     Final Report
        Applications
     Technical Data Package
     Operations Manual
     All Environmental Testing/Risk Analysis data.

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            design associates

     Device Technical Requirements
                 Physical Characteristics

 • Maximum weight = 25 Lbs

 • Operational temperature range = 30-120
   degrees Fahrenheit

 • Maximum dimensions = 24” (length) * 24”
   (width) * 16” (height)

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              design associates

        Device Technical Requirements
     Sampling rate = 1 sample/minute
     Minimum storage capacity = 10,080 samples
     (7days*24hours*60sample/hour)
     Minimum number of bits in ADC = 8 bits
     Interface: Either USB or RS-232
     UVA bandwidth = 320nm – 400nm
     UVB bandwidth = 280nm – 330nm
     Minimum incident angle = 30 degrees
     Minimum sensor resolution = 1 W/cm^2

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                   design associates

     System Requirements Verification Matrix

      Number           Paragraph                            I   T   A   D
      3.               REQUIREMENTS
      3.1              Platform system Overview             X
      3.1.1            Datalogger                               X
      3.1.1.1          Storage                                  X
      3.1.1.2          Sampling Rate                            X
      3.1.1.3          Accuracy                                     X
      3.1.1.4          Configuration and Interface          X
      3.1.1.5          Datalogger Software                  X
      3.1.2            Power Supply                             X
      3.1.3            Optical Sensor System (Radiometer)       X
      3.1.3.1          Photodiode Specifications
      3.1.3.1.1        UVA                                      X
      3.1.3.1.2        UVB                                      X
      3.1.3.1.3        UV Bandpass Filter                       X
      3.1.4            Amplifier                                X
      3.1.5            Interface Definitions                            X
      3.1.6            Enclosure                                        X


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                      design associates

     System Requirements Verification Matrix

     Number               Paragraph                         I   T   A   D
     3.2                  Performance Characteristics
     3.2.1                Environmental Conditions              X
     3.2.2                Physical Characteristics                      X
     3.2.2.1              Dimensions                                    X
     3.2.2.2              Weight                                        X
     3.3                  Analysis of Data                              X
     4.                   QUALITY ASSURANCE PROVISIONS
     4.1                  In process Inspection             X
     4.2                  Final Inspection                  X
     4.3                  Quality Conformance Inspections   X




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            design associates

                     Block Diagram




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                               Concept 1
               Power                           Memory
               Supply




     Optical             Amplifier                 Microcontroller
     Sensor              Circuitry    AD




                                      RS-232
                                      Connection         Computer



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        design associates

                     Concept 1
Buy low level components
Assemble and wire each component
Pros:
  Cost Effective
  More control over design and interface
  between components
Cons:
  Requires more labor
  Extensive knowledge of Microcontroller
  programming necessary
  Power issues?
            design associates

                         Concept 2




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        design associates

                     Concept 2
Use Commercial Data Logger
Pros:
  Less labor
  power efficient
  Pre-packaged software
Cons:
  Potentially less design control
  Cost $$
              design associates

                  Optical Sensor Options
     Photodiodes




                                  Measures UVA (no filter needed)
     Photodiodes




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      design associates

        Optical Sensor Options
2 Photodiodes, 2 Filters (UVA/UVB)
1 Photodiode, 2 user interchangeable filters
2 Photodiodes designed to measure certain
spectral bandwidths, requiring no additional
filters
Light emitting diode (LED)
                           design associates

                                Project Performance
     $200,000
     $190,000
     $180,000
     $170,000
     $160,000
     $150,000
     $140,000
     $130,000
     $120,000
     $110,000
     $100,000
      $90,000
      $80,000
      $70,000                                                                             Cum BCWS (K$)
      $60,000                                                                             Cum BCWP (K$)
      $50,000
                                                                                          CUM Actuals (K$)
      $40,000
      $30,000
      $20,000
      $10,000
           $0

                    Aug-07    Sep-07    Oct-07    Nov-07    Dec-07    Jan-08    Feb-08    Mar-08    Apr-08    May-08
 Cum BCWS (K$)        $0      $8,558    $19,725   $26,797   $32,910   $48,829   $61,462   $74,014   $91,701   $109,388
 Cum BCWP (K$)        $0      $11,981
 CUM Actuals (K$)     $0      $11,985




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            design associates

      Gate 1 Tasks / Project Start up




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             design associates

     Gate 1 Tasks / Project Management




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                                   design associates

                                           Budget of Materials
     Item Description                 Supplier                         Sep-07       Oct-07       Nov-07   Dec-07      Jan-08       Feb-08       Mar-08       Apr-08       May-08



                   Photodiode/s                    Hamamatsu                                                       1000


                    Data Logger                   Logic Beach                                                      300


                   Circuit Board                 All Electronics                                                    50


                         Casing                            TBD                                                     160




                                                      TOTALS       -            -            -            -        1,510       -            -            -            -




25                      10/11/07

				
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