MSD I Team P14347 Agenda Project Background Customer Requirements Engineering Requirements Functional Decomposition Physical Architecture Morphological Analysis Concept Selection Risk Assessment ID: 590357
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Slide1
Wildlife Tracker: Systems Design Review
MSD ITeam P14347Slide2
Agenda
Project BackgroundCustomer Requirements
Engineering RequirementsFunctional DecompositionPhysical ArchitectureMorphological AnalysisConcept SelectionRisk AssessmentTest Plan
Project PlanSlide3
Team P14347 & Introduction
Member
RoleEric Peterson
Team
Leader / EE
Alex
Pelkey
ME
Joesph
Ciccarello
EE
Frank Meola
EE
Timothy Nash
ME Slide4
Current State & Issues
Bow and arrow hunting is a popular outdoor activity. An animal fatally shot with an arrow may not drop in place
Injured animals can travel substantial distances, may be difficult to trackGame which has been shot and cannot be found leads to more animal deaths and inefficient huntingSlide5
Desired State
Wildlife tracking device will be deployed with shot arrow and detach upon impactAllows a bow hunter to track fleeing target using handheld device
Does not negatively impact the accuracy of the hunter’s shotDurable and reusable, with long lasting power sourceLeads to less wasteful animal deaths in bow huntingSlide6
Stakeholders
Primary
Customer: Dr. Eli SaberFaculty Guide: Art NorthEnd
Users: Bow
Hunters
Other
: Hunting Stores/Distributors, Game Wardens, Environmental
Activists
MSD
Team 14347Slide7
Project Deliverables
Re-attachable
tracking device that connects onto an arrowHandheld device that monitors the location of the tracking device User ManualSlide8
Benchmarking
GameVector Deer Recover System
$399.9945 Grains (2.9 grams)Battery life of 48-72 hours
Up to two mile
range
Tested for bows shooting up to 300 feet per second
Currently sold
outSlide9
Customer RequirementsSlide10
Engineering RequirementsSlide11
Requirement MappingSlide12
Functional DecompositionSlide13
Morphological Analysis
Solutions
Sub-Functions
1
2
3
4
5
Attach to Arrow
Spring-Dowel Pin
Clip
Adhesive
Magnet
Attach to Wildlife
Barbed Hook
Pronged Tip
Spring-Activated Clamp
Retractable Prongs
Transmit/Receive Signal
Transponder
GPS Antenna
Cell Phone Signal
Radio Waves
WiMAX
Indicate Location
Audio Speaker
Visual-Map
Visual-Blinking LED
Text on Screen
Dial Indicator
Protect Functional Integrity
Enclosure
Potting Compound
Airbags?
Activate Transmitter
Accelerometer
On/off switch
Animal Circuit Activation
Slide14
Concept SelectionSlide15
Concept SelectionSlide16
Concept SelectionSlide17
Concept SelectionSlide18
Physical ArchitectureSlide19
Risk Assessment
ID
Risk Item
Effect
Cause
Likelihood
Severity
Importance
Action to Minimize Risk
Owner
1
Effect on flight of the arrow
The attachment could cause an inaccurate shot
The aerodynamics of the arrow become faulty
3
3
9
Ensure the aerodynamics of the arrow are unaffected by the attachment
Tim/Alex
2
Range of the Device
Location of the animal unknown
The animal becomes out of range of the device
3
3
9
Wireless data transmission test
Eric/Joe/Frank
3
Enough holding force for the attachment to the arrow
Tracker doesn’t attach to arrow
Not enough holding force to the arrow
3
3
9
Test by applying a pulling force to the attachment of the arrow
Tim/Alex
4
Unfamiliarity with wireless Transmitting/Receiving
Difficulties choosing the best method for signal translation
Lack of RF/wireless transmission knowledge
3
3
9
Seek help from an expert in the signals field (
ie
. Dr.
Amuso
)
Eric/Joe/Frank
5
Circuitry size constraint
Weight and size of arrow becomes too robust
Unnecessary circuitry
3
3
9
Keep the circuitry small enough to fit into your palm
Eric/Joe/Frank
6
Placement of mechanism on the arrow
Cause injury/ harm to the user or effect the accuracy of the shot
Placing the device towards the butt of the arrow
3
3
9
Avoid placing the device towards the back or mid section of the arrow
Tim/Alex
7
Detachability of the device
If the device doesn’t detach the attachment could block the penetration of the shot
Faulty detachment mechanism
2
2
4
Test the device on different material surfaces
Tim/Alex
8
Avoiding Patent Infringement
Product cannot go to market
Lack of attention to detail and patents
2
2
4
Be aware and research all current restraints by patents
Team P14347
9
Part Lead Times
Delays in the projection
Procrastination
2
2
4
Ensure the parts are ordered ahead of schedule
Team P14347
11
Durability of attachment (Reusability)
Device is fragile and requires replacing periodically
Weak materials and poor construction of device
2
1
2
Ensure that weak, brittle materials are a last resort
Tim/Alex
12
Budget Conservation
Going over budget
Poor budgeting
1
1
1
Draft and follow a strict budget
Team P14347
13
Geometry of the device
Causes an alarming sound which could alert the animal
Bulky geometry
1
1
1
Computation model of the aerodynamic drag of the attachment
Tim/AlexSlide20
Test Plan
rqmt
#
Function
p#
Plan
S1
Transmit Range
P1
Two group members will find each other using the transmitter and receiver used for the project and document results
S11
Accuracy of Tracking
S2
Weight
P2
Place device on scale, measure
S3
Aerodynamic Drag
P3
If necessary, tether device inside of a wind tunnel and measure results from force gauge if arrow range is deemed problematic while experimenting with the archer
S4
Holding Force (Target)
P4
An experienced archer from the archery club will shoot multiple materials and a group member will document results
S5
Holding Force (Arrow)
S10
Product Reusability
S6
Operational Temperature
P5
Throw device in freezer and decrease the temperature until device stops working
S7
Change in Arrow Accuracy
P6
An experienced archer from the archery club will shoot multiple arrows with the device attached and will document results with input of the archer
S8
Change in Arrow Range
S12
Prototype Cost
P7
Design product, create B.O.M., get quoted from a few manufacturers
S13
Manufacturing Cost
S9
Operation Time
P8
Leave device on and running and document battery life time
S16
Arrow Compatibility
P9
Attach device to multiple brands and styles of arrowsSlide21
Project Plan (Subsystem Design)Slide22
Action Items List
Gain understanding/knowledge of project-specific fields (archery, RF, etc.)
Begin purchasing and testingStart maintaining budgetFill in engineering requirement gapsSubsystem DesignSlide23
Questions?