CMOS Optically Triggered Traffic Recorder
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CS-EE 481 Spring 2006 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 Founder’s Day, 2006 University of Portland School of Engineering
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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. Agenda. Introduction Annette Background Tom Methods Tom Results Jeff Conclusions Annette - PowerPoint PPT Presentation
Transcript of CMOS Optically Triggered Traffic Recorder
CS-EE 481 Spring 2006
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CMOS Optically Triggered Traffic
Recorder
AuthorsAnnette Collins
Tom Kinnear
Jeff Scott
AdvisorDr. Aziz Inan
Dr. Peter Osterberg
Industry RepresentativeMr. Mike Desmith
IntelFounder’s Day, 2006
University of Portland School of Engineering
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Agenda
• Introduction Annette
• Background Tom
• Methods Tom
• Results Jeff
• Conclusions Annette
• Demonstration Tom
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Introduction
• What is it?– People Counter– Room usage and traffic analysis tool
• What is the purpose?– Building automation– Usage Analysis
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Introduction
• Assumptions– No Intentional Disruptions– Single Person Doorway– Digital Sensor Output
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Background
• Technologies– Optical triggering methods– CMOS VLSI circuit design– RS-232 Serial Link– Linux C programming
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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
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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
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Methods
• Top Down Design – Software Modeling
• B2Logic, Ledit
– Programmed CPLDs for Macromodel– Assembled prototype– Debugged circuitry
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Results
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How it Works...
Optical Sensor
Computer/Software
Electronics Box With LED Display
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Results
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Day Total Counter
Room Total
Counter
Display Selector
Direction Sensor
Light Controller
7 Segment Decoder
UART & Line Driver
Door Sensor 1
Door Sensor 2
Analog Input Conditioning
LongTom 1 LongTom 2
Relay
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Results
• It Works!
• Problems & Obstacles– Wrap around ‘bug’– PC Interfacing– Heat
• Room Usage Report
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Results
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People vs. Time
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Conclusions
• Recap
• Improvements– Fix the wrap-around bug– Heat– Design sensors to operate on +5VDC– Shrink hardware– Consider IEEE 802.3 Ethernet Connection
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Conclusions
• Special Thanks– Mr. Mike Desmith, Intel– Dr. Aziz Inan– Dr. Peter Osterberg– Sandra Ressel– MOSIS Foundation
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Demonstration
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