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Assisted Home Storage

This project explores an innovative automated home storage system, adapting existing warehouse management technology for domestic use. The initial prototype focuses on home refrigeration by implementing an internal robotic shelf cycle, where inventory is autonomously managed by software. Although facing challenges such as motor synchronization and hardware development constraints, the redesign simplifies control via USB and integrates a user-friendly interface in C++. Items are managed through barcode scanning, enhancing efficiency. This concept aims to revolutionize home inventory management with robotics.

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Assisted Home Storage

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  1. Assisted Home Storage A proof of concept for automated solutions in the home

  2. Original Concept • Scaling down existing technology for warehouse management for use in the household • Initial Prototype: home refrigerators

  3. Conception: the future of home refrigeration

  4. Original storage concept • An internal robotic cycle of shelves • Inventory fully managed by software • Retrieval and storage are completely robotized

  5. The Rube Goldberg solution Complicated! Long Lead Time Now with more moving parts!

  6. Departures from initial design • Technical Challenges • Lack of Expertise Eureka?! • Changes in Design

  7. Fatal flaw(s) • Motor synchronicity • No prior robotics experience • Lack of facilities for development of hardware • Only opportunity for construction was at personal residences

  8. Redesign • Solves issues with motor synchronicity (single motor) • Easy to control via USB (see software) • Aesthetically pleasing

  9. Physical construction

  10. Gearbox and motor

  11. Motion and position sensing • Momentary switch is activated when set portions of the turntable go by • Arduino sends a signal back to computer when switch is activated • Character literal ‘g’ starts the motor • Character literal ‘s’ stops the motor • https://www.dropbox.com/s/n0l5skpb5pzmzdw/VIDEO0006.mp4 Momentary Contact Switch – wired as floating when open or short to ground

  12. Inventory entry and management • Entry of items by barcode • Initially considered image processing approach • Too complex • UI program receives input from barcode scanner for food storage, which is managed in a database

  13. Motor Control • Uses Arduino Uno board for motor control • The Arduino waits for a ‘g’ to be sent to start the motor and an ‘s’ to stop • Controls ESC via PWM signal through pin 9 • Certain PWM signal arms the ESC • Anything above the activation signal starts the motor

  14. User Interface • UI was coded in C++ in Visual Studio 2010 • Consists of 8 screens which allow a user to enter and retrieve an item • Each screen contains buttons and some have a text box for the user to enter information

  15. Data storage • All items stored, have 3 attributes • Name, Type, and Expiration date • All items get stored in a text file, named data.txt, in the format: • ItemNameItemTypeExpirationDate • Each itemName also gets stored in an Vector List to quickly determine stored items • The barcode scanner will read the barcode and send a string of numbers that correspond to the item. The program will then read from a text file, named barcode.txt, and determine which item has been scanned

  16. Software Demo

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