CMOS Optically Triggered Traffic Recorder

1. CMOS Optically Triggered Traffic Recorder Authors Annette Collins Tom Kinnear Jeff Scott • Advisor • Dr. Aziz Inan • Dr. Peter Osterberg • Industry Representative • Mr. Mike Desmith • Intel University of Portland School of Engineering

2. Agenda Introduction Annette Background Tom Methods Tom Results Jeff Conclusions Annette Demonstration Tom University of Portland School of Engineering

3. Introduction What is it? People Counter Room usage and traffic analysis tool What is the purpose? Building automation Usage Analysis University of Portland School of Engineering

4. Introduction Assumptions No Intentional Disruptions Single Person Doorway Digital Sensor Output University of Portland School of Engineering

5. Background Technologies Optical triggering methods CMOS VLSI circuit design RS-232 Serial Link Linux C programming University of Portland School of Engineering

6. Background Functional Specifications Room & Day counters 2-way communication with PC Data logging via PC Operate as stand-alone unit (no PC) Ability to control room lighting 2 Custom CMOS ICs University of Portland School of Engineering

7. Methods Top Down Design Determined functional specifications Created block diagrams Created 4 distinct parts Counters, Direction Sensors, Light Controller, Off Chip Logic Hierarchical Design for each part Integrated parts University of Portland School of Engineering

8. Methods Top Down Design Software Modeling B2Logic, Ledit Programmed CPLDs for Macromodel Assembled prototype Debugged circuitry University of Portland School of Engineering

9. Results How it Works... University of Portland School of Engineering

10. Results University of Portland School of Engineering

11. Results It Works! Problems & Obstacles Wrap around ‘bug’ PC Interfacing Heat Room Usage Report University of Portland School of Engineering

12. Results University of Portland School of Engineering

13. Conclusions Recap Improvements Fix the wrap-around bug Heat Design sensors to operate on +5VDC Shrink hardware Consider IEEE 802.3 Ethernet Connection University of Portland School of Engineering

14. Conclusions Special Thanks Mr. Mike Desmith, Intel Dr. Aziz Inan Dr. Peter Osterberg Sandra Ressel MOSIS Foundation University of Portland School of Engineering

15. Demonstration University of Portland School of Engineering