Liquid ControllerOutlineBackgroundCurrent DesignProblem StatementSummary of PDSOverall DesignDesign: LabVIEWDesign: Power RelayDesign: Valves and PanelInseparable Valve PanelSemi-Separable Valve PanelFully Separable Valve PanelDesign MatrixProjected BudgetFuture WorkReferencesQuestions?Liquid ControllerClient: Professor Ian Bird, Ph.DAdvisor: Professor Paul Thompson, Ph.DTeam Members:Joe Decker – CommunicatorJustin Gearing – BSACDan Miller – BWIGSteve Welch - LeaderOutlineBackgroundProblem StatementCurrent DesignPDS SummaryDesign ComponentsDesign AlternativesDesign MatrixFuture WorkQuestionsBackgroundMicroscopy experimentsCells tested on a microscope trayExperiments test prevalence of calcium in the cellCurrent DesignReagents added by handTime kept manuallyReagents switched manuallyProblem StatementCurrent setup is:Time ConsumingLabor IntensiveError ProneDesign new, automated systemSummary of PDSDesign must be:Biologically friendlyAutomatedEasy to useReliableTransportableOverall DesignElectrically operated valvesControlled by programPower supply and wires stored in caseValvesCaseDesign: LabVIEWProgram on/off times for each valveSaving formats allow quick plug-and-goPrints report of times, amounts of solutionInterface (image): low voltage output, to be stored in casewww.labjack.comDesign: Power RelayBoosts low-voltage output from LabVIEW interface to 12vdc needed for valvesRequires wall outlet for 12 v sourceAlso stored in caseDesign: Valves and PanelTwo-way normally closed isolation valvesTeflon coating12 VDC, 1.15 WArray of 8 to be mounted on panelwww.nresearch.comInseparable Valve PanelMounted directly to boxReconnect tubes to valvesPros:No chance for lost componentsCons:Difficult to remount valvesOpportunity for valves to breakvalves To Power SourceTo USBSemi-Separable Valve PanelPanel can be disassembled from standAttached to box for transportPros:Cost EfficientUser FriendlyComponents easily replacedCons:Loose wiresPanelDisconnectPower BoxFully Separable Valve PanelTwo separate structuresPros:Less chance of damage from transportationCons:More expensiveMore parts to replaceWires must be reattached when transportingDesign MatrixDesignUser-Friendly (30)Durability (30)Replaceable (15)Convenience (15)Cost (10)TotalInseparable30 20 10 15 10 85Semi-Separable30 25 15 15 10 95Fully Separable30 30 10 10 5 85Projected Budget$480.00: valves$40.00: Power Relay Board$130.00: LabVIEW interface$100.00: miscellaneous building suppliesTotal: $750.00Future WorkFinish programmingOrder
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