UNIVERSITY OF MINNESOTASETTING PRODUCT REQUIREMENTSAs practiced in ME 4054(Ref: Chap. 5, Ulrich & Eppinger text)IDENTOPPDEFINE PROBLEMGEN CONCEPTSGATHER INFOIMPLEMENTSCREEN CONCEPTSHANDOFFUNIVERSITY OF MINNESOTASETTING PRODUCT REQUIREMENTSWhen?Identify customer needsEstablish target requirementsGenerate conceptsSelect conceptRefine requirementsDetail design, test, prototypingDenon AVR-5803 THX Ultra2 Certified THX Surround EX/DTS ES 6.1 Discrete/Dolby Digital EX Pro Logic II/DTS A/V Surround Reference Receiver (www.denon.com)Would you buy this stereo?UNIVERSITY OF MINNESOTATHX Ultra2 Certified • THX Surround EX; DTS Extended Surround Discrete 6.1; DTS ES Matrix 6.1; DTS Neo:6 Cinema & Neo:6 Music Matrix Decoding; Dolby Digital; Dolby Pro Logic; Dolby Headphone; DTS • Ultra2 7.1 Cinema and Music modes • Lucasfilm Home THX Cinema 4.0, 5.1 and 6.1ES post-processing; THX Surround EX decoding • DVD-Audio decoding with Adjustable Digital Bass Management, Delay, Channel Levels and Tone Controls, through DENON Link or External Analog Inputs • DDSC-Digital featuring New dual Analog Devices HammerHead SHARC 32-bit floating point DSP processors • 7 Channels equal power amplifier section • 170 watts per channel (8 ohms, 20 Hz-20 kHz, <.05%THD) • 200 watts per channel (6 ohms, 20 Hz-20 kHz, <.05%THD) • 24 bit, 192 kHz A/D conversion (Burr-Brown PCM-1804 x 4) on all analog inputs, including External 7.1 inputs • 16 Burr-Brown PCM-1738E 24-bit, 192-kHz highest resolution DACs, with DSD compatibility - each audio channel operating in differential mode • Pure Audio mode, features 4 DACs per audio channel in dual-differential mode • ALPHA 24 Processing Plus in Stereo/Direct/Pure Direct modes (left/right channels) • 4 24 bit,192 kHz Digital Interface Receivers • 3 sets component video inputs, compatible with wideband (480p, 720p, 1080i) response for progressive DVD, DTV (100 MHz) • 8 sets composite and "S" video inputs • Video Conversion of Composite to S-Video and/or to Component • 1 AC-3 RF digital input for laser disc • TWO sets of 7.1 external wide bandwidth (100 kHz) inputs for multi-channel formats with full Bass Management(defeatable) • 11(5 Coax, 6 Opt.) assignable digital inputs • 8 Channel Digital External Inputs • 13 analog inputs including built-in AM/FM tuner • Multi-Zone 1 stereo pre-amp outputs with video output • Multi-Zone 2 outputs, pre-amp outputs or speaker outputs • RS-232C port for external controllers • Remote In/Out Ports • 12 and 5 volt triggers • DENON Link, for connection to DVD-9000 • Variable high/low pass Crossover 40/60/80/100/120 • Audio Delay adjustment to match audio signals with video signals(0-200ms) • Digitally regulated volume control with .5dB increment adjustments and step range of -80 to +15 • Delay time adjustment increased to 20 feet per speaker in .1 foot increments • Auto Surround Mode stores modes by signal type(analog or digital) in memory • AKTIS RC-8000 LCD touchpanel remote with IR and RF transmission capability included • AKTIS RC-8001ST Charger/RF Base Station included • Download the owner's manual in PDF format • Dimensions: 17.1"w x 8.5"h x 19.1"d • SRP $4300 PRODUCT SPECIFICATIONSUNIVERSITY OF MINNESOTAUNIVERSITY OF MINNESOTADEFINING PRODUCT REQUIREMENTS(a.k.a. Product Specification or Product Design Specification ) A documented statement of what the product is to do Living document, but defined early Driven by customer needs Shows what you are trying to achieve  Contains:– List of Customer Needs– Design SpecificationsUNIVERSITY OF MINNESOTAEstablishing Target Specifications1. Prepare a list of metrics2. Collect competitive benchmarking information3. Set ideal and marginally acceptable target values4. Reflect on the results and processUNIVERSITY OF MINNESOTAMETRICS (I) The design criteria Should be:– Practical– Achievable– Easy to understand– Derived from a customer needUNIVERSITY OF MINNESOTAMETRICS (II)Need MetricMust fit in a toolbox SizeWants to pick up WeightConcerned with cost Cost“Hard”Need MetricFor DIY market Easy to assemble“Soft”UNIVERSITY OF MINNESOTATarget values Numeric….with units– 4.0 lbs, or 2 by 2 ft, or 20$ Express target as:– Exact ($20)– Less than (< $20)– Greater than (>$20)– Range ($20-$30)UNIVERSITY OF MINNESOTAExample: Product Specifications for Cordless Screw DriverMetric #Need #'s Metric Importance UnitsMarginal Value Ideal Value1 1 Battery capacity 4 V 2.4 2.42 2 Size: length 3 cm <20 <183 2Size: width/diameter 3 cm <8 <6SOME MORE METRICSTime-to-marketEnvironmentUsersStorage lifeService lifeProduct lifeMaintenanceWarrantyShipping sizePackagingMaterialsManufacturing facilityPrototyping facilityRegulatory environmentReliabilityPatentsTest protocolSafetyUser interfaceMfg costEnd-user priceDelivery timeUNIVERSITY OF MINNESOTAUNIVERSITY OF MINNESOTAEstablishing Target Specifications, redux1. Prepare a list of metrics2. Collect competitive benchmarking information3. Set ideal and marginally acceptable target values4. Reflect on the results and processUNIVERSITY OF MINNESOTAEstablishing Final Specifications1. Develop a technical model of the product2. Develop a cost model of the product3. Refine the specifications, making trade-offs where necessary4. Flow down the specifications as appropriate5. Reflect on the results and the processUNIVERSITY OF MINNESOTABottom line The design requirements must:– reflect customer need– differentiate the product from the competition– be technically and economically feasibleSandy Cutler, CEO of Eaton, asks his engineers:• Is the customer asking for it?• What differentiation does it offer Eaton?• What value does it offer the