1 / 33

EE595 Senior Design Team 2 Spring 2007

EE595 Senior Design Team 2 Spring 2007. Team 2: Staff. Dan Lauber Ibrar Ahmad Josh Sutinen Tim Thierfelder Bill Burton. BSEE, BACS BSEE, CS Minor BSEE BSEE BSEE, Physics. Team 2: Expertise & Experience. Expertise: Software, General Design

Download Presentation

EE595 Senior Design Team 2 Spring 2007

An Image/Link below is provided (as is) to download presentation Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author. Content is provided to you AS IS for your information and personal use only. Download presentation by click this link. While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server. During download, if you can't get a presentation, the file might be deleted by the publisher.

E N D

Presentation Transcript


  1. EE595 Senior Design Team 2Spring 2007

  2. Team 2: Staff • Dan Lauber • Ibrar Ahmad • Josh Sutinen • Tim Thierfelder • Bill Burton • BSEE, BACS • BSEE, CS Minor • BSEE • BSEE • BSEE, Physics

  3. Team 2: Expertise & Experience • Expertise: Software, General Design • Experience: 3yr Internships, Design & project ownership • Expertise: Access to parts, contacts, IEEE measurer Experience: 2yr Internship, 1yr Co-op • Expertise: Microprocessors, motor control Experience: 1yr Internship • Expertise: Digital Logic, Powerpoint Experience: Internship@American Transmission Co • Expertise: Digital Logic, IC’s Experience: Software, assembly • Dan Lauber • Ibrar Ahmad • Josh Sutinen • Tim Thierfelder • Bill Burton

  4. Team 2: Contact Info • Dan Lauber • Ibrar Ahmad • Josh Sutinen • Tim Thierfelder • Bill Burton • Phone 1: 414-975-4190 Email: djlauber@uwm.edu • Phone 1: 414-403-6026 Email: iahmad@uwm.edu • Phone 1: 262-573-4929 Email: jsutinen@gmail.com • Phone 1: 414-226-0243 Email: thierfe2@uwm.edu • Phone 1: 920-359-0063 Email: wmburton@uwm.edu

  5. Team 2: Weekly Availability Worksheet • Dan Lauber • Ibrar Ahmad • Josh Sutinen • Tim Thierfelder • Bill Burton • Time 1: Mon 2-5 Time 2: Tues/Th 3-6 • Time 1: Mon/Th 5- Time 2: Wed 3- Time 3: Fri Any • Time 1: Mon/Wed 7- Time 2: Tues/Th 1- Time 3: Fri 5- • Time 1: Mon/Wed 6-8 Time 2: Tues/Th 4-6 Time 3: Fri 4-8 • Time 1: Wed Any except 3-5 Time 2: 4-

  6. Team 2: Weekly Project Meeting Plan • Weekly Meeting 1: W270 (IEEE), Tuesday 4:30-6:30 PM Chair: Ibrar Ahmad Attendees: All Purpose: General • Weekly Meeting 2: W270 (IEEE), Thursday 4:30-6:30 PM Chair: Ibrar Ahmad Attendees: All Purpose: General Note: Meeting Owners Send Weekly Email Notices, Record Business-Issues-Actions, Keep Weekly Attendance Records

  7. Team 2: Total Resources • 1200 Manhours • $1000 Overall investment • Cash outlay • PCB Prototyping • Enclosure • Components

  8. Team 2: Decision Making • Primary decisions will be decided by a consensus with a democratic vote in the event there is no consensus.

  9. Roles to Define & Assign • Lead Project Integrator (LPI): Bill Burton • 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

  10. Roles to Define & Assign • Lead System Designer (LSD): Dan Lauber • 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

  11. Roles to Define & Assign • Lead Presentation Manager (LPM):Ibrar Ahmad • 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

  12. Roles to Define & Assign • Lead Report Manager (LPM):Josh Sutinen • 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

  13. Roles to Define & Assign • Lead Manufacturing Mgr (LMM):Tim Thierfelder • 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.

  14. Project Ideas • RC Car • Attendance Counter • Living Environment Controller • Absolute position based "virtual" limiting system • Fully automated test bench

  15. RC Car • Create plugin interface for additional modules and future expansion • Features: Odometer, Sensors, RF Communications, Charge Controller, Motor Controller

  16. Attendance Counter • Sensors Count the Number of People on the Bus • The Count is Displayed • Visual Alerts are Given for Capacity and Deboarding • Audio Warnings are Given for Capacity and Deboarding • Power is drawn from the bus battery

  17. Attendance Counter Bus Tender – Block Diagram Sensors User Interface signal signal power Visual Displays signal power Microcontroller Power Supply signal signal Audio Signals power

  18. Living Environment Controller • Curtain/Blind controller adjusts based on room conditions/sunlight availability • Power: 120VAC/Battery backup • Thermostat interface • Temp display • Occupancy sensor, thermostat • Schedulable, web server

  19. Absolute Position based Virtual Limit Switch • Accessory for Linear Actuators • Programmable limit of travel • Integrated service life counter • Reduces mechanical parts count of existing accessories

  20. Absolute Position based Virtual Limit Switch – Block Diagram Encoder Data signal power Motor Control signal power Power Supply Microcontroller Position Output signal Battery Backup power

  21. Fully Automated Actuator Test Bench • Operator inputs specifications • Bench automatically conducts tests and displays and records results • Measured data: Speed, stroke, current, force

  22. Feasibility Decisions

  23. The WinnerRC Car • We chose this project because: • The project is funded up to $750 • We are able to get support from Dave M. • Many blocks to choose from • Blocks are a good match for team technical skills • Car is on campus, so it is convenient • We have a previous group’s mistakes and successes • Appealing to leave the car behind for reference in later senior design classes/development

  24. RC Car • Major Risks in Project • Radio Frequency interference • Overheating of motors and battery • Working with Lead Acid batteries can be hazardous • Mechanical senior design may work on the car at the same time, so it may interfere with our work • Interfacing with the existing microcontroller may be a challenge

  25. Why were other projects rejected? • Not enough blocks • No funding • Long lead time • Not enough required skills • Did not seem as practical • Did not seem as fun to work on • Not enough on-campus support/help on developing the product • Unanimously Supported • YES

  26. System - Standard Requirements: Environment and Safety • Market • Operation Temperature Range: 5°C to 35°C • Operation Humidity Range: 30 to 80% • Non-condensing • Operation Altitude Range: 0 to 1000 Meters • Storage Temperature Range: 0°C to 40°C • Max Storage Duration: 2 years • Small Competitors in Field • Size of Market: $250,000 • List Price of: $2,000 • Market Geography: Europe, North America • Market Demography: Males • ages 18+ • Market Industry: Recreation, Promotional • Material Cost: $500 • Manufacturing Cost: $200 • Annual Volume: 100 units

  27. System - Standard Requirements: • Energy Source 1 (48 VDC): Four Lead Acid Batteries • Operating Voltage: +/-12VDC,+5VDC,+48VDC • Power Consumption: 13 Ah Power Mechanical • Max Product Volume: 700000 cm3 • Shipping Container Size: 800000 cm3 • Maximum Product Mass: 30 kgs • Maximum Number of PCB: 6 • Maximum PCB Area: 600 cm2 • Maximum Shock Force: 5 G’s • Moisture Resistance: Sealed

  28. System - Standard Requirements: • Manufacturing • Maximum total parts count: 300 parts • Maximum unique parts count: 20 parts • Maximum parts and material cost: $500 • Maximum mfg. assembly/test cost: $200 • Max production lifetime: 5 years • Warranty Period: 1 year

  29. RC Car

  30. Block Diagram

  31. Applicable Patents • Patent Name • Central speed control mechanism for remote control cars • Method and system for multiple servo motor control • Toy system Patent Number 6979246 7038421 6322416 Patent Date January 20, 2005 December 23, 2004 December 12, 2002

  32. Ethical and Societal Issues • A visiting user could run into someone at high speed without intending to. • Speed regulator into the control system. • Sensor that would apply the brakes. • Foam bumpers (mechanical?) • A visitor might shock themselves while inspecting the car. • Case over the cable attachments. • Voltage warning stickers.

  33. Steps to Prevent Flawed Engineering • Test a speed regulator • Test the product with a user trying to doing erratic maneuvers • Test the effects of a collision on performance • Test the predicted behavior of a novice inspector to ensure they can have no contact with live voltage

More Related