Team 11: PoseidonProject: Automated Pool Chemical System

12/07/09Oral Presentation #2

Engr. 339

Presentation Overview1. Team and Problem Reintroduction2. General System Overview3. Feasibility4. Current Progress5. Challenges6. Resources7. Questions

The Team

Simeon Eisen, Jeff Overweg, Jacob Vander

Wall,Aaron Maley

The Problem • Pool water maintenance is time consuming and often imprecise• Improper pool care can produce unsafe swimming conditions• Current chemical controllers are expensive and not suited to a residential environment

Project OverviewCreate an automated pool chemical system

Monitor pH, ORP and temperatureCalculate required chemical doseDispense chemicalsNetwork wirelessly

Microprocessor

Sensors

Dispensor

PH+, PH-, Sanitization Signals

Analog PH, ORP Signals, Temp

Online Interface

Data, Alerts

Local Interface

Design NormsTrust

Safety and reliabilityTransparency

Clear, effective communicationStewardship

Environment, resources and time

FeasibilityMarket: Approximately 9 million residential

pools in North AmericaProof of Concept: Many competitors products

on the marketCurrent market costChemtrol 250

Project Status - CompletedPreliminary testing with pH and ORP probesDraft PPFSDeveloped contacts with the physical plant

dealing with Calvin’s Pool MaintenanceSelected a MicroControllerObtained a WiFi development kitEngr325 - Successfully working with a touch

screen interface

Project Status – In ProgressFinalizing mechanical dispensing systemSoftware developmentBusiness PlanFinal PPFS

ChallengesSensor signal instabilityChemical dispenser: sophistication vs. costBudget/Design CostPatents

Key ResourcesReverse engineeringAdvisor: Professor VanderleestIndustrial Consultant: Tim TheriaultBusiness 396 TeamLarry Van Hoe

Questions?