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![Page 1: PARCS: Parking Authorized for Random Commuter Students Mid-Semester Presentation Senior Design I October 13, 2015.](https://reader036.fdocuments.net/reader036/viewer/2022062423/5697bfbc1a28abf838ca17b4/html5/thumbnails/1.jpg)
PARCS: Parking Authorized for Random
Commuter StudentsMid-Semester PresentationSenior Design IOctober 13, 2015
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The Random Commuters
Mark Ewing
Electrical Engineering
Team Leader
Daniel Crist
Electrical Engineering
Connor Green
Electrical Engineering
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Advisor
Dr. Robert Reese
ECE Department
Education:• Ph.D., Texas A&M
University, 1985 • M.S., Texas A&M
University, 1982 • B.S., Louisiana Tech
University, 1979
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Overview
Problem
Solution
System Overview
Constraints• Technical• Practical
Approach
Progress
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Problem• Options for Commuters
at MSU:• Decal• Timed parking• 1 Day Permit
• Ineffective parking enforcement
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Solution
• T2 Parking Solutions
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Our Solution – The PARCS Meter
• Cheaper meter, less than $400.
• Easily scalable with no infrastructure necessary for installation
• Billable to student accounts
• Parking violations notify Parking Services via email = No extra training for PS employees
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System Overview
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Technical ConstraintsType Details
Power System Must be independently powered and capable of processing 18 cars a day
Wireless Communication
Must be able to communicate with a wireless access point and adhere to wireless communication standards [1]
Vehicle Detection Must detect the presence of a vehicle on a paved parking spot and function within the environmental extreme temperatures of -10°F to 120°F. [2], [3]. The sensor needs to detect a vehicle that is between 5 inches and 5 feet away.
User Interface Must communicate with the server to approve or deny user access within 10 seconds
Violation Notification Must notify parking services of violations within 1 minute of infraction
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Practical Constraint:Ethical - Security
• Student account information transferred over network
• User account information sharing must be secure
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Practical Constraint:Social - Ease of Operation
• Spot is unoccupied and available for parking
• Parking is not being charged at this time
• User information has been confirmed, user is being charged for time in use
• Spot occupied and user has not been validated ILLEGALLY
OCCUPIEDAuthorized
VACANTFREE
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Approach - MicrocontrollerPros Cons
Raspberry Pi 2 • 17 usable pins [4]• Expandable storage• Widely used
platform
• WiFi add on• Security updates• No sleep mode• High power
consumption
Imp002b • Low sleep power (6 μA)
• Installed security and data encryption
• Fail-safe firmware updates
• Built in WiFi
• 12 usable pins• Does not function
on WPA2 Enterprise
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Approach - SensorPros Cons
Passive Infrared (PIR)
• Low power • Detection affected by temperature
• Detects humans• Motion required for
detection
Ultrasonic • Simple programming
• Aim-able• Long range
• Cost• Detects humans• Data filtering needed
Magnetic • Large detection area
• Detects large ferrous objects (not-humans)
• Vulnerable to electrical interference
• Will detect nearby cars/Cannot be aimed
• Cost of installation
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Approach – Power SystemType Pros ConsSolar • Easily
implementable• Provides
potentially high levels of power
• Requires sunlight• Quality of sunlight
affect energy collected
Thermal • Provides energy despite environmental changes
• Requires consistent heat source/fuel
• Low energy output
Gravity • Generates energy with vehicle weight
• Requires extensive mechanical design
• Large footprint
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Power System – Voltaic Kit• Package solution: solar
panel, charging circuit, battery
• 3.5 W Panel
• 4000 mAh Battery
• Weatherproof
• Scratch resistant
• Short-circuit, over-charge, and temperature protection
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High-Level Overview
Solar Panel Battery Controller Battery
Ultrasonic Sensor Card Reader Backpack
IMP Micro-controller
Servo Motor
LCD DisplayServer IMP Cloud
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Progress
• Microcontroller communicates through MSU wireless network
• Code for LCD, Sensor, and Card Reader under development
• State flow diagram for user interface completed.
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Timeline of Design
August September October November December
Research
Hardware
Software
Testing & Debugging
Working Prototype
Completed
Current
Upcoming
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References[1] Ecfr.gov, 'eCFR — Code of Federal Regulations', 2015. [Online]. Available: http://www.ecfr.gov/cgi-bin/text-idx?SID=59dc0d0e30809c6ef8ba8eddd3f7a9a9&mc=true&tpl=/ecfrbrowse/Title47/47cfr15_main_02.tpl. [Accessed: 15- Sep- 2015].
[2] Usatoday30.usatoday.com, 'USATODAY.com', 2015. [Online]. Available: http://usatoday30.usatoday.com/weather/wcstates.htm. [Accessed: 29- Sep- 2015].
[3] Weather Questions, 'Weather Questions & Answers', 2015. [Online]. Available: http://www.weatherquestions.com/What_are_the_highest_temperatures_recorded_in_the_u_s.htm. [Accessed: 29- Sep- 2015].
[4] Raspberrypi.org, 'GPIO: Raspberry Pi Models A and B - Raspberry Pi Documentation', 2015. [Online]. Available: https://www.raspberrypi.org/documentation/usage/gpio/. [Accessed: 10- Oct- 2015].