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Miniature Automobile Design for Efficient Material Collection in Narrow Spaces

Create a miniature automobile capable of navigating hallways, collecting paper and magazines, and unloading materials autonomously. The design includes path recording, bin sliding mechanisms, and motorized unloading for efficient performance. System components include microprocessors, mechanical concepts, and software design elements.

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Miniature Automobile Design for Efficient Material Collection in Narrow Spaces

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  1. Project 704Ψ • Design team: • Sarah Steward • Chad Harrington • Kyle Levesque

  2. Problem statement Design a miniature automobile that will… • Be able to travel through any hallway • Collect paper & magazines from bins • Drive to a set location and unload material • Automobile will not need human aid, after a initial button is pressed.

  3. Solutions • Teaching the automobile the correct path – By recording a directed path in memory of an HC12 micro controller and then playing back the path, when the playback button is activated. • Drop bins – Sliding material out of the bins, and into a dump bucket on top of the automobile. • Simple dump truck style unloading - Using a motorized lifting system to slid material into the unloading area.

  4. System Overview Car environment

  5. Detailed System Overview Dump bin motor Turn motor Drive motor Micro processor (HC12) Remote

  6. Mechanical design concept 1

  7. Mechanical design concept 2Bin design

  8. Mechanical design concept 3 Wedge pusher Dump Box

  9. Electrical Concepts

  10. Software Design Concepts

  11. SAMPLE CODE /* This section of code will ~save space in memory ~ check condition of record button ~ if pressed ~ records the input in memory ~ waits 100 ms, and ~ checks if system is in same state */ byte path[1000]; void main(void) { if (y == 0x80) { path[i]=19; i++; PTT=2; } DELAY_100ms(); } Record

  12. This section of Code will : ~read the information from array ~ send information out to the motor controller ~wait 100 ms, ~ Checks if bin is full ~Repeat process until prompted to stop. Play Back

  13. Dump Bucket This section of Code will : ~ will prompt the automobile to dump out collected materials at a set location (occurs when dump bucket is full and/or when automobile reaches its end of route)

  14. Schedule Current status

  15. Proposed Budget

  16. Project 704Ψ At this time we will be willing to entertain any brief Questions.

  17. Other implemented automated systems • www.dailycardinal.com/news/2005/09/13/News/New-Automated.Trash.Collection.Program.Facilitates.Recycling-982894.shtml Automated trash collection systems for city use. • http://www.warwickri.gov/recycsanit/auto.htm City of Warwick, Automated trash system • http://www.madison.com/wsj/home/opinion/index.php?ntid=53867 Wisconsin, Madison automated recycling system.

  18. Acknowledgements • Andre St. Denis • John Kidder • Roger Howes

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