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Project 704 Ψ. Design team: Sarah Steward Chad Harrington Kyle Levesque. 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
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Project 704Ψ • Design team: • Sarah Steward • Chad Harrington • Kyle Levesque
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.
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.
Detailed System Overview Dump bin motor Turn motor Drive motor Micro processor (HC12) Remote
Mechanical design concept 3 Wedge pusher Dump Box
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
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
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)
Schedule Current status
Project 704Ψ At this time we will be willing to entertain any brief Questions.
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.
Acknowledgements • Andre St. Denis • John Kidder • Roger Howes