Team 14: The P.A.L Personal Autonomous Lifeboat Megan Anders, ryan bradley, austin roden, and laura van winkle http://www.breaktheloop.net/wp-content/uploads/2016/10/SeaSwimming.jpg

The Team Austin Roden, ECE Ryan Bradley, ECE Laura Van Winkle, ME Megan Anders, ME Team Problem Solution Design Norms Conclusion 2/20

The Problem Swimming in open waters alone is dangerous, especially when swimming long distances.  Current Solutions:  Tying a flotation device to the swimmer Having a second person follow on a boat http://energylabtraining.com/ https://www.zwemmenenzo.nl/media/wysiwyg/blog/360swim_SaferSwimmer_01.jpg https://www.nationalgeographic.com/content/dam/adventure/photos/000/251/25129.ngsversion.1476997791117.adapt.1900.1.jpg Team Problem Solution Design Norms Conclusion 3/20

Our Solution P.A.L – Personal Autonomous Lifeboat Creek boat Tracks Swimmer Autonomous to Manual Team Problem Solution Design Norms Conclusion 4/20

Mechanical Design Jet Unit Steering System Weight Distribution and Water Proofing Team Problem Solution Design Norms Conclusion 5/20

Mechanical Design: Jet Unit Vout Vpump Four Velocities dictate our design: Vship Vin Vpump (impeller velocity) Vout Vin Vship https://cdn.wartsila.com/images/default-source/products/gears-propulsors/waterjets/modular-waterjets-principle-2.png?sfvrsn=19b5eb45_0 Team Problem Solution Design Norms Conclusion 6/20

Mechanical Design: Steering System Gear Train to direct nozzle the opposite direction of desired direction Desired Direction Nozzle Direction https://vestapartners.com/wp-content/Two-Gears-Grinding-Together3000.png Team Problem Solution Design Norms Conclusion 7/20

Mechanical Design: Weight Distribution and Water Proofing Intake https://cdn.mec.ca/medias/sys_master/high-res/high-res/8817756504094/5040847-BL348.jpg Team Problem Solution Design Norms Conclusion 8/20

Mechanical Design Status Fall Semester Research Modeling in Solidworks Interim Building Model Purchasing Spring Semester Building Testing Calvin.edu/facilities Team Problem Solution Design Norms Conclusion 9/20

Electrical Design Breakdown Wireless Communication Motor Control CPU GPS – Global Positioning Power https://www.udemy.com/raspberry-pi-essentials-and-extras/ Team Problem Solution Design Norms Conclusion 10/20

Wireless Communication Triangulation Method Team Problem Solution Design Norms Conclusion 11/20

Motor Control Brushed DC Trolling Motor Servo Motor Half-Bridge Gate Driver Servo Motor Controlled Directly from Raspberry Pi 50 Hz Signal – Vary Pulse Length (350us-2.4ms) 180 Degree Rotation https://www.allegromicro.com/en/Products/Motor-Driver-And-Interface-ICs/Brush-DC-Motor-Drivers.aspx Team Problem Solution Design Norms Conclusion 12/20

CPU Micro-controller Selection Raspberry PI 3 Model B Wireless LAN (WIFI) Bluetooth Connectivity Single Board https://www.raspberrypi.org/products/raspberry-pi-3-model-b/ Team Problem Solution Design Norms Conclusion 13/20

GPS – Distance Tracking Adafruit GPS Breakout Board MTK3339-Chipset based Module -165 dB tracking sensitivity 66 Channels w/ 1Hz Updates Internal Patch antenna + u.FL connector for external active antenna Power usage: 20 mA during Navigation https://www.adafruit.com/product/746 Team Problem Solution Design Norms Conclusion 14/20

Power Main Power Breakdown Trolling Motor – 12V automotive Battery Servo Motor – A4450 Buck/Boost Voltage Reg (Low Current) @ 6.7V LCD and GPS A4450 Buck/Boost Voltage Reg @ 5V Raspberry Pi – 5V Battery Pack to MicroUSB http://www.allegromicro.com/en/Products/Regulators-And-Lighting/Single-Output-Regulators/A4450.aspx Team Problem Solution Design Norms Conclusion 15/20

Electrical Design Breakdown Team Problem Solution Design Norms Conclusion 16/20

Electrical Design Status This Semester: Design/Research Autonomous Software Testing – Engr325L Interim Order Breakout Boards and other Hardware Schematic/PCB Layout and Assembly Second Semester: Begin Testing Improve Design https://calvin.edu/directory/places/engineering-building Team Problem Solution Design Norms Conclusion 17/20

Design Norms Stewardship Caring Trust Team Problem Solution Conclusion 18/20 https://www.nationalharbor.com/event/7pm-open-water-sunset-swimming/2017-09-06/

Conclusion Psalm 46:1 NIV Goal: Swimmers safety “God is our refuge, and ever- present help in trouble” Goal: Swimmers safety Affects Design Decisions Shapes Christian Perspectives Team Problem Solution Design Norms Conclusion 19/20 http://lostswimming.com/video-clinic/

Questions? 20/20