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The Automated Trash ReceptacleTeam 4: Amrit, Dalton, Daniel, Edgar, John and Josh

Objectives

Design and Produce a trash can that can open and close automatically

The Design ProcessProblem

Our design will improve sanitary conditions and convenience by sealing receptacle openings and allowing an automated opening switch

Constraints ~ 10 weeks

$50

The Design ProcessAlternatives

Moving trash can

Trash can that slides out of a housing

Hole in the housing that opens and closes

Shutter system

Roll Up/Down

Alternatives for MotorsDC Motor

Power Window MotorStepper Motor

The Design ProcessEvaluating Alternatives

Evaluation Criteria Weight

Trash can slides out of housing Hole in the housing

Value Wt * Value Value Wt * Value

Simplicity 0.4 2 0.8 5 2.0

Functionability 0.3 5 1.5 5 1.5

Quickly Produced 0.15 4 0.6 5 0.75

Cost 0.05 4 0.2 7 0.35

Safety 0.1 7 0.7 6 0.6

Total 1.0 — 3.8 — 5.2

The Design ProcessEvaluating Alternatives

Evaluation Criteria Weight

Shutter System Roll Up/Down

Value Wt * Value Value Wt * Value

Simplicity 0.4 3 1.2 9 3.6

Functionability 0.3 6 1.8 5 1.5

Quickly Produced 0.15 2 0.30 7 1.05

Cost 0.05 10 0.50 10 0.5

Safety 0.1 6 0.6 6 0.6

Total 1.0 — 4.4 — 7.25

Alternatives for Door

Building A Prototype: CAD

Building a PrototypePart of the housing

Window motor

Ardunino Uno, Motor Shield

Power Supply

ProblemsElectrical - getting enough power to open and close the door

Proximity dectection (clothing)

False tests

Future planssolar power

multiple sensors

motor open/close switches

safety features