2.009 Product engineering processesI always wanted to be somebody…I should have been more specific.Lily Tomlin2.009 Product engineering processesTodaySpecifications defining project successBut first…mini quiz: form follows function means…antidefinitionintendedmeaningsometimesmaybeBut first…reminders: next weekMonday: mockup review logistics and consultingWednesday: no class due to the review on Thursdayinstructor review open until 5 PM MondaySpecificationsmockup review: preliminary product contractIdentifying attributesmap attributes to needs Attribute assemblability usability fault detection wow factor Need easy to setup safe special house of qualitySetting specificationsgoalstranslate the product attributes (customer needs) intoquantitative design performance targetsquantify the core benefit of your productdefine internal basis for measuring successprovide a basis for resolving trade-offskeep the development effort focusedSetting specificationsdefinitiona precise description of what the product must dodesign attribute: assemblabilitymetric: time to assembleunit: secondsvalue: less than 60 owner: Floydcustomer need: easy to installinterpretation: average time to assemble is less than60 seconds (Floyd)Setting specificationsthey are NOT…descriptions of h ow to implement the product(embodiment)customer need: easy to finddesign attribute: visibilitymetric: colorunit: rgbvalue: 255, 255, 0 (yellow!) owner: Floydmetric: time to spotunit: secondsvalue: less than 5Identifying appropriate metricsmeasure the product attributesmetrics should be observable or analyzableproperties/behaviors of the productmetrics should be quantifiableinclude metrics used in the marketplace forbenchmarkingAttributes and specificationsexamplewhat product might meet these specifications?less than 1grams/productcarbohydrate contentAtkins-diet friendlyyes/nobinaryFDA approved matʼls.food safeless than 2daysmanufacturing timequick to fabricatebetween 50 and 100Celsiussetting temperaturecured by home useryes/nobinarythermo-setssolidifies using heatyes/nobinarydefects visibledetect damage easilyvalueunitmetricattributemini quiz!Attributes and specificationsexampleless than 1grams/unitcarbohydrate contentAtkins-diet friendlyyes/nobinaryFDA approved matʼls.food safeless that 26hoursmanufacturing timequick to fabricatebetween 50 and 100Celsiussetting temperaturecured by home useryes/nobinarythermo-setssolidifies using heatyes/nobinarydefects visibledetect damage easilyvalueunitmetricattributewhat product might meet these specifications?Exercisewriting specificationsdevelop specifications consistent with the productassess specifications developed by another teaminterpret specifications and identify products thatmeet them (and why)present and critique specificationseach section has a ʻproductʼ kitExercisestep 1: 10 minutesdevelop specifications consistent with your fruit “product”use attribute and specification forms providedwrite legibly, use black sharpie providedless than 1grams/unitcarbohydrate contentAtkins-diet friendlyyes/nobinaryFDA approved matʼls.food safeless than 2daysmanufacturing timequick to fabricatebetween 50 and 100Celsiussetting temperatureset by home useryes/nobinarythermo-setssolidifies using heatyes/nobinarydefects visibledetect damage easilyvalueunitmetricattributeExercisestep 2: 5 minutesreview another sectionʼs specificationi) use color sharpie to highlight questionable specificationsii) identify products that fit the specification, using form providedless than 1grams/unitcarbohydrate contentyes/nobinaryFDA approved matʼls.less than 2daysmanufacturing timebetween 50 and 100Celsiussetting temperatureyes/nobinarythermo-setscould be:yes/nobinaryvisible defectsvalueunitmetricproduct is:product description?seems longExercisestep 3: 10 minutespresent and critique:what products fit and why, discuss specificationcritiqued agood specification?critiqued amarginal
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