Ee595 spring 2007 group iii
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EE595 Spring 2007 Group III. Project Proposal. Team III: Staff. Brett Sheleski EE Major CS Major Mike Baerenwald EE Major. Don Murray EE Major CS Minor Ike Butler EE Major CS Minor. Team III: Expertise & Experience. Don Murray Expertise: Embedded Systems Motor Control

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EE595 Spring 2007 Group III

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Ee595 spring 2007 group iii

EE595 Spring 2007 Group III

Project Proposal


Team iii staff

Team III: Staff

  • Brett Sheleski

    • EE Major

    • CS Major

  • Mike Baerenwald

    • EE Major

  • Don Murray

    • EE Major

    • CS Minor

  • Ike Butler

    • EE Major

    • CS Minor


Team iii expertise experience

Team III: Expertise & Experience

  • Don Murray

    • Expertise:

      • Embedded Systems

      • Motor Control

    • Experience:

      • ROV Team Electronics Design

      • Microcontroller Programming

  • Ike Butler

    • Expertise:

      • Analog Systems

      • Linear/Digital Sensors

    • Experience:

      • Johnson Controls

      • McNair Scholar

  • Brett Sheleski

    • Expertise:

      • Software development

    • Experience:

      • CAD Drafting

      • IT Intern

  • Mike Baerenwald

    • Expertise:

      • Power Systems

    • Experience:

      • Stora Enso Paper Mill

      • Kohler Co. Co-op


Team iii contact info

Team III: Contact Info

  • Brett Sheleski

  • Mike Baerenwald

  • Don Murray

  • Ike Butler

  • Phone: (414) 305 - 4784

    Email: [email protected]

  • Phone: (920) 213 - 0725

    Email: [email protected]

  • Phone: (262) 689 - 5029

    Email: [email protected]

  • Phone: (414) 248 - 5160

    Email: [email protected]


Team iii weekly availability worksheet

Team III: Weekly Availability Worksheet

  • Brett Sheleski

  • Mike Baerenwald

  • Don Murray

  • Ike Butler

  • Time 1: MW after 5:00Time 2:

    Time 3: R 8:30 – 10:00Time 4:

  • Time 1: MW before 3:00Time 2:

    Time 3: R 8:30 – 10:00 Time 4:

  • Time 1: MW before 3:00Time 2: TR 11:00-5:30

    Time 3:Time 4:

  • Time 1: FSa before 6:00Time 2:

    Time 3: R 8:30 – 10:00 Time 4:


Team iii weekly project meeting plan

Team III: Weekly Project Meeting Plan

  • Weekly Meeting 1: E225, Thursday 2/1/07 8:30-9:00 PM

    This meeting was to discuss options for the design project. All members were present.

  • Weekly Meeting 2: E225, Monday 2/5/07 9:00 PM

    This meeting discuss P1. Mike & Don were present, Brett was ill, and Ike was a no show.

    Note: Meeting Owners Send Weekly Email Notices, Record Business-Issues-Actions, Keep Weekly Attendance Records


Team iii total resources

Team III: Total Resources

  • 10 Man-hours per week, per person

  • $100+ per person for material (if needed)

  • Design and build a solar power supply that adjusts the direction of the solar panels towards the brightest light source to maximize the amount of power generated.


Team iii decision making

Team III: Decision Making

  • Decisions by consensus

  • If no consensus, consult TA or instructor.


Roles to define assign

Roles to Define & Assign

  • Lead Project Integrator (LPI):

    • Don Murray (01/23/07 – Present)

  • Owns the MS Excel Project Plan documents

  • Tracks and reports progress to project plan

  • Owns weekly progress reports to TA

  • Owns Logistics and communication of ALL team meetings

  • Keeps Team Attendance at all meetings

  • Owns the Block Diagram Assignments and oversees Design Partitioning

  • Integrates Block design plans

  • Tracks expenditures to budget

  • Helps LMM procure prototype components

  • Keeps a secondary backup of ALL major project deliverable files

  • Identifies contingencies for problems incl team members MIA


Roles to define assign1

Roles to Define & Assign

  • Lead System Designer (LSD):

    • Brett Sheleski (01/23/2007 – Present)

  • Owns the overall product requirements and data sheet

  • Owns the MS Excel Product Requirements document including negotiating and documenting the flowdown of requirements to design block level

  • Owns the Block Diagram Implementation and Design Partitioning

  • Reviews for Completeness ALL Block-Block Interface Requirements

  • Helps integrate and populate Detailed Block design plans including DFM

  • Has primary responsibility for the Safety & Compliance Features in the product

  • Owns project level verification and validation plan

  • Owns capture and documentation of all verification results

  • Owns the MS Word Product User Manual document


Roles to define assign2

Roles to Define & Assign

  • Lead Presentation Manager (LPM):

    • All (01/23/07 – Present)

  • Owns the master MS PPT Presentation slide set for team

  • Keeps backup copy of master slide set and integrates weekly progress submissions from ALL team members

  • Defines and sets ALL slide formats in template form including

    • Logos

    • Font sizes & font styles,

    • Colors

    • Header/footers

    • Slide backgrounds

    • Rev controls

  • Responsible for good visibility of slide presentation

  • Integrates pictures incl schematics, digital photos, animations and other non-PPT file types

  • Checks presentation content against master checklist and communicates gaps

  • Responsible for time allocations and controls during final presentation

  • Submits CD and paper copies for all Preliminary Presentations P1-P4 and Final Presentation


Roles to define assign3

Roles to Define & Assign

  • Lead Report Manager (LPM):

    • Ike Butler (01/23/2007 – Present)

  • Owns the master MS Word Project Report file for team

  • Keeps backup copy of master report and integrates weekly progress submissions from ALL team members

  • Defines within guidelines, report flow including chapter numbering, subchapter numbering, sub-sub chapter numbering, etc.

  • Defines and sets ALL report formats in template form including

    • Logos

    • Font sizes & font styles

    • Colors

    • Header/footers and chaptering

    • Rev controls

  • Responsible for good visibility and proper spelling in report

  • Responsible for integrating data sheets as needed

  • Integrates pictures incl schematics, digital photos, block diagrams and other non-WORD file types

  • Checks report content against master checklist and communicates gaps

  • Submits final file on CD and printed paper copy of Final Project Report


Roles to define assign4

Roles to Define & Assign

  • Lead Manufacturing Mgr (LMM):

    • Mike Baerenwald (01/23/2007 – Present)

  • Owns and documents the product overall assembly and test levels

  • Owns master prototype & product parts lists including integration of design block parts lists

  • Owns procurement of prototype components including identification of long lead components

  • Defines the product and prototyping technologies

  • Owns any required assembly drawings

  • Owns the overall prototype mechanical and electrical assembly

  • Owns the overall PCB layout strategy including Block to PCB mapping, PCB tools, PCB design drawings, and PCB procurement

  • Owns the PCB assembly including any special tools, soldering, wire-wrapping, drilling, and glueing.


Random number generator

Random Number Generator

  • Take readings from various sensors producing a random number

  • Produces random number with testing from Chi Square algorithm.

  • USB/Serial connector getting power either independently or from data cable.

  • Heavy computer science background among group as well as common interest


Rov sensor package

ROV Sensor Package

  • Distance sensor for ROV-Team’s underwater robot to determine surroundings.

  • Use ROV’s power source (car battery) for powering the device.

  • Don is a member of the ROV team and the project is interesting and challenging.


Traffic controller

Traffic Controller

  • A wireless traffic

    controller to replace

    manually operated

    stop signs on

    UWM campus


Solar sun follower

Solar Sun Follower

  • Solar panels that automatically adjust so they are always facing the brightest light source so they generate the maximum amount of power possible.


Standard requirements market

Standard Requirements-Market

  • Estimated Market Size: $100,000,000

  • Estimated Annual Volume: $1,000,000

  • Minimum List Price: $50

  • Max Product Material Cost: $20

  • Max Product Manufacturing Cost: $10

  • Estimated Annual Contribution: $600,000


Market cont

Market Cont.

  • Market Geography: Worldwide

  • Market Demography: Robotics Hobbyists

  • Market Competitors: Power supply manufacturers

  • Market Industry: For Residential Use


Power

Power

  • Energy Sources:

    • 9 Solar Panels

    • 1 Battery


Mechanical

Mechanical

  • 2 Servo Motors

  • Enclosure


Environmental

Environmental

  • Temperature Range: -40°C to +120°C

  • Humidity Range: 0% to 80%

  • Altitude Range: Unlimited


Safety

Safety

  • Primary Safety Standards: “Intelligent” Battery Charger

  • Primary EMC Standards: TBD


Manufacturing

Manufacturing

  • Maximum total parts count: 100

  • Maximum unique parts count: 20

  • Maximum Parts & Material Cost: $20

  • Maximum Mfg Assembly/Test Cost: $10


Life cycle

Life Cycle

  • Estimated Max Production Lifetime: 20 yrs

  • Service Strategy: In Home

  • Product Life, Reliability in MTBF: TBD

  • Full Warranty Period: 1 Year

  • Product Disposal: Recyclable


Performance requirements user inputs

Performance Requirements- User Inputs

  • Enable / Disable solar power

  • Enable / Disable battery

  • Select manual motor control

  • Manual motor controls

  • Display selection


User indicators displays

User Indicators & Displays

  • Battery charge meter

  • Status LEDs

  • Voltage meter

  • Current meter


Operation modes

Operation Modes

  • Automatic

    • Automatically tracks light source for maximum power generation

    • Solar panel array is positioned automatically

  • Manual

    • Solar panel array is positioned manually


Safety1

Safety

  • Battery must not be overcharged

  • Clear safety notifications must be present to prevent use of incorrect batteries


Basic business case for the solar sun follower inputs

Basic Business Case for the Solar Sun Follower(Inputs)

  • Estimated Average Product Selling Price (ASP$):

    $50

  • Estimated Annual Product Sales Volume in Units:

    20000

  • Estimated Per Unit Cost of All Parts & Materials:

    $20

  • Estimated Per Unit Cost of All Assembly, Test, and Mfg:

    $10

  • Estimated Total Development Cost including Labor and Material:

    Engineering hours @ $150.00 per hour: 600

    Material: $400

    Total: $90400


Basic business case for the solar sun follower outputs

Basic Business Case for the Solar Sun Follower(Outputs)

  • Annual Sales Revenue $ = ASP$ * Annual Volume:

    $1,000,000

  • Annual Var Costs $ = (Unit Material $ + Mfg $) * Annual Volume:

    $400,000

  • Per Unit CM$ = ASP$ – (Unit Material $ + Mfg $):

    $30

  • CM% = Per Unit CM$/ASP$:

    60%

  • Annual CM$ = Unit CM $ * Volume = Annual Sales $ - Annual Var Costs $:

    $600000

  • ROI (Return on Investment) Time in Years = Est Dev Cost $/Annual CM$:

    0.15


Overall block diagram

Overall Block Diagram


Block diagram description

Block Diagram Description


Three related patents

ThreeRelated Patents

  • Patent number 5169456

    Two Axis Tracking Solar Collector Mechanism

    January 1, 2001

  • Patent number 5600124

    Sun Tracker System for a Solar Assembly

    February 4, 1997

  • Patent number 5632823

    Solar Tracking System

    May 27, 1997


Ethical and societal issues

Ethical and Societal Issues

  • Charging of the battery presents the greatest potential danger to the user, as overcharging a battery can cause an explosion

  • The battery must be properly chosen for this application, and the type required must be communicated clearly to the end user of the product

  • Any other failures of the product would present a nuisance to the end user, but no specific danger. This product is not intended for use in devices where an exceptionally high level of reliability is required, such as medical devices or industrial controls. This must be communicated to the end user


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