Maple Seeds Concept Generation Group Members: Clinton Bencsik Mark Brosche Chris Kulinka Chris...
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Transcript of Maple Seeds Concept Generation Group Members: Clinton Bencsik Mark Brosche Chris Kulinka Chris...
Maple SeedsMaple SeedsConcept GenerationConcept Generation
Group Members:Group Members:
Clinton BencsikClinton BencsikMark BroscheMark BroscheChris KulinkaChris KulinkaChris RedcayChris Redcay
IntroductionIntroduction Customer: Harris CorporationCustomer: Harris Corporation Project: Maple Seed-Inspired Sensor arrayProject: Maple Seed-Inspired Sensor array
U.S. Military useU.S. Military use Probably in desert environmentsProbably in desert environments
Very open-ended design specificationsVery open-ended design specifications TodayToday
Existing products and ideasExisting products and ideas Critical AssumptionsCritical Assumptions Our ConceptsOur Concepts Final design choiceFinal design choice
ProblemProblem
Create a sensor housing which Create a sensor housing which incorporates auto-rotating flight incorporates auto-rotating flight
Sensors will be dropped from an altitude Sensors will be dropped from an altitude via aircraftvia aircraft
PurposePurpose Detect disturbances caused by human or Detect disturbances caused by human or
vehicle movement vehicle movement Relay information to centralized computerRelay information to centralized computer
Priority of Sub-problemsPriority of Sub-problems
Sub-ProblemsSub-Problems RankRank
Flight CharacteristicsFlight Characteristics 11
TransmittingTransmitting 55
SensingSensing 44
PowerPower 33
DurabilityDurability 22
Customer RequirementsCustomer RequirementsENGINEERING REQ.
TotalMass
MaterialFractureStrength
Young's Modulus
MaterialMachinability/
FormabilityCost
TerminalFreefallVelocity
CUSTOMER
REQ
Fall slowly X X
Survive fall X X
Hold sensors X
Retain shape after impact X X X
Retain function after impact X X X
No moving parts X
Auto-rotates like maple seed X X
Cost per Seed ~$1500-$2500 X X X X X
2 37.9 0.8 High $1,250 2.5
Units kg Mpa Gpa Dollars m/s
ENGINEERING TARGETS
Existing ProductsExisting Products• Lockheed Martin (NAV)
• ~$1.7 million in Nano Air Vehicle Program
• Program was quietly canceled
• Maple Seed Copter Toy
• Uses the principles of maple seed flight
Critical AssumptionsCritical Assumptions
Solar poweredSolar powered Energy storageEnergy storage
Auto-rotating flightAuto-rotating flight No moving partsNo moving parts
Sense human / vehicle presenceSense human / vehicle presence Triangulate disturbanceTriangulate disturbance
Networking & wireless transmission Networking & wireless transmission capabilitiescapabilities
Sensor ConceptsSensor Concepts Customer suggestionsCustomer suggestions
Infrared sensorsInfrared sensors Seismic sensorsSeismic sensors
Other optionsOther options Microphone sensorsMicrophone sensors
Using sound waves through Using sound waves through air & groundair & ground
Accelerometers Accelerometers Used to detect vibrationUsed to detect vibration
Motion sensorsMotion sensors
Flight Concepts _Flight Concepts _
Maple seed (auto-rotating)Maple seed (auto-rotating) Single wingSingle wing Double wingDouble wing
Increased wing areaIncreased wing area Increased cargo spaceIncreased cargo space
LightweightLightweight Increases flight timeIncreases flight time Narrows material selectionNarrows material selection
Flight ConceptsFlight Concepts
Concept Screening MatrixConcept Screening Matrix
Screening Matrix
Final Design ChoiceFinal Design Choice
FlightFlight Auto-rotating single wing sensor housingAuto-rotating single wing sensor housing
Sensing MethodSensing Method Combination microphone and IR sensorCombination microphone and IR sensor
Material SelectionMaterial Selection SDM housing with possible carbon fiber wingSDM housing with possible carbon fiber wing
Power Power Solar power with either a charged battery or Solar power with either a charged battery or
capacitorcapacitor TransmissionTransmission
Wi-fi data transmissionWi-fi data transmission
ConclusionConclusion
Used Customer needs to determine Used Customer needs to determine problems and sub-problemsproblems and sub-problems
Sorted sub-problems by importance and Sorted sub-problems by importance and compared them to our concepts to compared them to our concepts to determine final designdetermine final design
Future PlansFuture Plans Build prototypes for flight testsBuild prototypes for flight tests
Find proper ratio of weight to wing spanFind proper ratio of weight to wing span Test microphones for disturbance sensitivityTest microphones for disturbance sensitivity
Design a basic circuit for amplifying disturbance Design a basic circuit for amplifying disturbance signalsignal
Test battery vs. capacitorTest battery vs. capacitor Which will work better in extreme environment Which will work better in extreme environment
conditionsconditions Find maximum achievable power using mini Find maximum achievable power using mini
solar panels over small surface areasolar panels over small surface area
THANK YOU FOR LISTENING!!!THANK YOU FOR LISTENING!!!