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Wildlife Tracker: Subsystems Design Review MSD I Team P14347.

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Presentation on theme: "Wildlife Tracker: Subsystems Design Review MSD I Team P14347."— Presentation transcript:

1 Wildlife Tracker: Subsystems Design Review MSD I Team P14347

2 Agenda  Project Background  Engineering Requirements  System Analysis  Subsystem Analysis  Risk Assessment  Test Plan  Action Items  Questions

3 Team P14347 & Introduction MemberRole Eric Peterson Team Leader / EE Alex Pelkey ME Joseph Ciccarello EE Frank Meola EE Timothy Nash ME

4 Current & Desired State  Injured animals can travel substantial distances, may be difficult to track  Game which has been shot and cannot be found leads to more animal deaths and inefficient hunting  Wildlife Tracker will detach from arrow and remain attached to animal  Handheld device will provide GPS location of animal

5 Previous Action Items  Met with RIT Archery Club  Made contact with EE professors  Dr. Tsouri  Dr. Amuso  Filled in missing engineering requirements values  Narrowed down our solution possibilities  Made contact with Dr. P. Venkataraman


7 Stakeholders  Primary Customer: Dr. Eli Saber  Faculty Guide: Art North  End Users: Bow Hunters  Other: Hunting Stores/Distributors, Game Wardens, Environmental Activists  MSD Team 14347

8 Project Deliverables  Re-attachable tracking device that connects onto an arrow  Handheld device that monitors the location of the tracking device  User Manual

9 Benchmarking  GameVector Deer Recover System $399.99 45 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 out

10 Customer Requirements

11 Engineering Requirements

12 Requirement Mapping

13 Functional Decomposition Locate Wildlife Attach to Arrow Access Arrow Attach to Wildlife Does not alter Shot Detach from Arrow Link to Animal Remains attached during Flight Protect Functional Integrity Safeguard Electronics Indicate Location of Attachment Device Transmit Signal Activate Transmitter Receive Signal Activate Receiver Process and Interpret Signal

14 Morphological Analysis Solutions Sub- Functions 12345 Attach to Arrow Spring-Dowel Pin ClipAdhesiveMagnet Attach to Wildlife Barbed HookPronged Tip Spring-Activated Clamp Retractable Prongs Transmit/Recei ve Signal TransponderWiMAX Cell Phone Signal Radio Waves Indicate Location Audio SpeakerLCD Map Visual-Blinking LED Cellphone Integration Dial Indicator Protect Functional Integrity Enclosure Potting Compound Airbags? Activate Transmitter AccelerometerOn/off switch Animal Circuit Activation

15 Concept Selection



18 Physical Architecture

19 Baseline Drag Analysis

20 Bow Efficiency vs Arrow Weight Example B.W. Kooi - “On the Mechanics of the Bow and Arrow”

21 Arrow Attachment - Electronics  GPS Receiver  Receive location coordinates from GPS satellites  Power Consumption : 66mW (at 3.3V)  Microcontroller  Takes data from GPS receiver and converts it to be compatible with RF Transmitter  Power Consumption : 5 mW (at 2.5V)  RF Transmitter  Transmit GPS location from arrow attachment to handheld device  Power Consumption : 9mW (at 3.0V)  Battery  Provide power to Receiver, Transmitter, and Microcontroller  Voltage : 3V

22 User Device - Electronics  Size Constraints: Mobile (Easy to Handle)  Power Constraints: Mild  User Interface: Straightforward  RF Receiver  Receives GPS data from arrow attachment  Power Consumption : 15mW (at 3.0V)  GPS Receiver  Receive location coordinates of user  Power Consumption : 66mW (at 3.3V)  Small LCD Screen  Displays map, user, and location of animal  Microcontroller  Converts data from RF Receiver to LCD screen  Power Consumption : 5 mW (at 2.5V)  Battery  (4) AA [1.5V*4 = 6V Power Supply]

23 Transmission of Signal Arrow AttachmentUser Device

24 Transmission of Signal  Must meet FCC Regulations  Low frequency waves  Work better around obstacles (e.g. trees)  Goal is to utilize AM frequency range (535-1705kHz)  Transmitter must be low weight, low power consumption  Receiver has more flexibility

25 GPS Receiver  LOCOSYS GPS MC-1612-2R module  Input voltage: 3.3V  Supply current: ~20mA  -40 to 85 degree Celsius operation  12.2 x 16 mm

26 RF Transmitter/Receiver  LR Series  Small size  Input voltage: 3.0V  Supply current: ~3-15mA  -40 to 85 degree Celsius operation  Transmit/receive RF signals

27 4.3” TFT LCD Screen  Thin-Film-Transistor Liquid-Crystal Display (TFT LCD)  Input Voltage: 4.0V  Supply Current: 25mA  Operation Temperatures: -20 to 60°C

28 Power Consumption Arrow Attachment Electronics Device Power Consumption (mW) GPS Receiver66 Microcontroller5 RF Transmitter9 Total:80 User Device Electronics Device Power Consumption (mW) RF Receiver15 Microcontroller 5 TFT LCD100 Total:120

29 IDRisk ItemEffectCause Likeliho od Severity Importa nce Action to Minimize RiskOwner 1 Effect on flight of the arrow The attachment could cause an inaccurate shot The aerodynamics of the arrow become faulty 339 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 339Wireless data transmission testEric/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 339 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 339 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 circuitry339 Keep the circuitry small enough to fit into your palm Eric/Joe/Frank 6 Placement of mechanism onto arrow Cause injury/ harm to the user or effect the accuracy of the shot Placing the device towards the butt of the arrow 339 Avoid placing the device towards the back or mid section of the arrow Tim/Alex 7 Animal falling on top of attachment The signals from the attachment will be seriously if not completely attenuated The body of the animal causes a median, for which signals cannot pass through 236 Operate in a range of frequency, which signals can pass through the deer carcass Team P14347 8 Detachability of the device If the device doesn’t detach the attachment could block the penetration of the shot Faulty detachment mechanism 224 Test the device on different material surfaces Tim/Alex 9 Avoiding Patent InfringementProduct can’t go to market Lack of attention to detail and patents 224 Be aware and research all current restraints by patents Team P14347 10 Part Lead TimesDelays in the projectionProcrastination224 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 212 Ensure that weak, brittle materials are a last resort Tim/Alex 12 Budget ConservationGoing over budgetPoor budgeting111Draft and follow a strict budgetTeam P14347 13 Geometry of the device An alarming sound, alerting the animal Bulky geometry111 Computation model of the aerodynamic drag of the attachment Tim/Alex Risk Assessment

30 Test Plan

31 Bill of Materials

32 Action Items  Determine if cellphone integration is possible  Look into Google Maps integration  Start designing circuitry  Select a battery (especially for arrow attachment)  Enclosure model  Refine budget  Begin purchasing test parts

33 Questions?

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