CS-EE 481 Spring 2007 March 20071 University of Portland School of Engineering Project Beaver Marsh: Digital Odometer Team Kirk Chen Josh Eby Brandon Pearsall.

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Presentation transcript:

CS-EE 481 Spring 2007 March University of Portland School of Engineering Project Beaver Marsh: Digital Odometer Team Kirk Chen Josh Eby Brandon Pearsall Advisor Dr. Albright, Dr. Osterberg Industry Representative Tushar Agarwal, Andrew Hui

CS-EE 481 Spring University of Portland School of Engineering Overview Introduction Theoretical Layout Scorecard Additional Accomplishments MOSIS Chip Layout Plans for Next Month Milestones Issues/Concerns Conclusions

CS-EE 481 Spring University of Portland School of Engineering Introduction Project Beaver Marsh - digital odometer implemented with a CMOS chip. Tracks the distance that a rotating wheel has moved and displays it on 7-segment LEDs.

CS-EE 481 Spring University of Portland School of Engineering Planned Theoretical Layout MOSIS Chip & Circuit Housing LED Display Optical Sensor Electric Motor Wheel

CS-EE 481 Spring University of Portland School of Engineering MOSIS Chip Layout

CS-EE 481 Spring University of Portland School of Engineering Scorecard Last Months Plans: Complete circuit construction of CPLD to 7-segment decoders and 7-segment displays Continue circuit construction and part integration Continue work on demonstration platform Figure out what is wrong with signal between sensor and CPLD Complete: Circuit for 7-segment decoders and displays completed Construction of platform as well as part integration and circuit construction continued Incomplete: Still having problems with signal between sensor and CPLD CPLD does not count correctly

CS-EE 481 Spring University of Portland School of Engineering Additional Accomplishments Large 7-segment displays wired Completed Theory of Operations Both motor and sensor output work correctly Decoder/display works correctly CPLD does count Received MOSIS Chip

CS-EE 481 Spring University of Portland School of Engineering Demonstration

CS-EE 481 Spring University of Portland School of Engineering Plans for Next Month Finish functioning prototype Test MOSIS chip in place of CPLD Debug sensor output to drive CMOS Give presentation at founders day Complete final report

CS-EE 481 Spring University of Portland School of Engineering Milestones NumberDescriptionOriginal 10/30/05 Previous 1/29/07 Present 2/26/07 1Product Approval10/04/06 2Plan Approval11/18/06 11/21/06 3xxx.edf file due11/22/06 4Parts Chosen11/25/06 12/06/06 5Design Release12/09/06 6Mock-Up 1 Built02/15/07 02/22/07 7TOP Approval02/10/07 2/22/07 8MOSIS chip received, Parts Integrated & Functional 03/15/07 9Founder’s Day04/07/0704/17/07 10Final Report04/25/07

CS-EE 481 Spring University of Portland School of Engineering Concerns/Issues Signal between sensor and display not working properly Having problems with CPLD counting

CS-EE 481 Spring University of Portland School of Engineering Conclusions Project Beaver Marsh is on schedule Prototype fabrication continued Having issues with signal between sensor and CPLD Having issues with CPLD

CS-EE 481 Spring University of Portland School of Engineering Questions/Comments ? Project Beaver Marsh