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Team Members: Greg Herr, CprE Craig Zamzow, CprE Latrice Baggett, EE Hisham Chowdhury, CprE Faculty Advisors: Nicola Elia Ratnesh KumarClient: George Ensley.

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Presentation on theme: "Team Members: Greg Herr, CprE Craig Zamzow, CprE Latrice Baggett, EE Hisham Chowdhury, CprE Faculty Advisors: Nicola Elia Ratnesh KumarClient: George Ensley."— Presentation transcript:

1 Team Members: Greg Herr, CprE Craig Zamzow, CprE Latrice Baggett, EE Hisham Chowdhury, CprE Faculty Advisors: Nicola Elia Ratnesh KumarClient: George Ensley The unit shall keep records of the washer’s/dryer’s cycles. The unit shall contain a 120V and a 240V plug-in socket for the washer/dryer. The unit shall cut power from the washer/dryer when the overall timer expires. The unit shall power on when the customer enters in the correct amount of currency. The unit shall offer a window of time for laundry mat customers to open a washer/dryer during mid cycle and then resume it’s operation. The cost and proprietary mechanisms of commercial coin-operated washer/dryers are limiting the potential of laundry mat businesses. The team’s client George Ensley has envisioned a separate coin unit to allow the use of non-commercial washer/dryers in his laundry mat business. The team’s approach is to develop a separate coin-operated unit that is independent from the washer/dryer that it controls. The use of non-commercial washer/dryers will allow laundry mat owners lower initial costs and higher resale values for their washers and dryers.Abstract Research previous documents and contact previous group members. Consult with client. Research washers/dryers, microcontrollers, programming languages. Design end product Implement end product Create testing scripts, run environment tests, and functionality tests for end product. Present end product and product documentation to client. Proposed Approach Functional Requirements Micro-controller Micro-controller programming language Spin cycle tilt detection method Testing the micro-controller program. Testing the integration of micro-controller and LCD. Testing the integration of micro-controller and circuit relay. Entire unit functionality testing. Estimated Resources Personal Efforts Other Resources Technology Considerations Testing Approach The need for a separate coin-operated washer/dryer control unit derived from the high cost of current commercial washers/dryers with attached coin mechanisms. These high costs have a burdening effect on laundry mat owners. The high machine cost can also effect the cost of service, which is paid by laundry mat customers. Once a washer/dryer has been used in a laundry mat, the laundry mat owner either gives the machine away or keeps it for parts. The resale value of a commercial machine with the coin unit still attached is extremely less than that of a regular non-commercial washer/dryer. The goal of this project is to develop a coin- operated unit that is independent from the washer/dryer. Problem Statement The coin-operated unit will reside in a heated and air conditioned laundry facility. Operating Environment The current through the washer or dryer is considerably less when the machine’s door is open compared to normal operation. The temperature in the laundry facility will always be between 40 degrees and 120 degrees Fahrenheit. The coin mechanism only takes quarters as the currency.Assumptions Prototype must cost less than $100. The machines require a 240V or 120V outlet. The non-commercial washers will stall under the unbalancing condition. The unit has the possibility to be subjected to theft and vandalism.Limitations Complete project cost analysis. Select a micro-controller. Use the unified modeling language to design the micro-controller software. Program and test the functionality of the micro-controller. Document the project implementation and testing. Milestones Personnel Costs May Intended User(s) and Uses The intended users include laundry mat owners and laundry mat customers. The end product will keep records of cycles and allow the use of non-commercial washers/dryers in a laundry mat. Low manufacturing cost. User friendly. Easy assembly. Design Objectives A fully functional power/coin unit that will regulate power flow to non-commercial washers and dryers. End Product Final prototype, the PIC code, wiring schematics, the prototype budget, and all senior design course documents.Deliverables Cost constraints: Build a prototype unit with a maximum cost of $100. Safety constraint: The plug-in cord will be hard wired to the wall so it cannot be removed from the wall, and the power cord cannot be pulled out of the plug mechanism. Case construction constraint: The case should be watertight to prevent water from shorting out the electrical connections or ruining the LCD/PIC. Part availability constraint: The micro-controller, LCD, power supply, relay, and coin mechanism should be a readily available part. Design Constraints Schedule Conclusion The completion of the coin-operated washer/dryer unit will offer laundry mat owners freedom from the proprietary commercial washer/dryer manufacturers. Owning a separate coin- operated washer/dryer unit will be a huge competitive advantage to other laundry mat owners. This project will not only benefit laundry mat owners, but also laundry mat customers by reducing the cost of laundry mat per hour


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