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Make to Innovate

This document provides an overview of the CySat project, including the team structure, accomplishments, and future plans in communications and structures.

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Make to Innovate

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  1. Make to Innovate Final Review – Spring 2019 CySat

  2. Agenda

  3. Project Overview Project Executive Summary

  4. Project Overview Project Photo From Left to Right: Back Row: Arun Krishnan, Cameron Schuetz, Logan Anderson, Josh Gilmore*, Sam Ruhlin*, Samuel Hartman, Mohammad Reza*, Srinath Kannan Front Row: Alfin Koshy, Ola Carnahan, Luke Gordon, Mackenzie Kilcoin*, Matt Paavola, Kyle Caponi, Mani Bhuma Not Pictured: Ian Gonzalez * denotes CySat Leadership Make to Innovate (M:2:I)

  5. Project Overview Project Overview Make to Innovate (M:2:I)

  6. Project Organization Chart

  7. Project Accomplishments

  8. Activity Report - Structures Milestones, Tasks, and Health Report

  9. Milestones - Structures Fabricate parts To complete this Milestone: • All parts must be fabricated within NanoRacks tolerances • Hard anodize (Liberty anodizing)  Assemble Structure To complete this Milestone: • All parts must be cleaned and integrated. • Environment: Anti-static, clean room. 

  10. Task Breakdown - Structures

  11. Project Health Report - Structures

  12. PROJECT Review - Structures Overview

  13. Project Overview - structures •  Finalized design are within tolerances and verified •  Stationing of electrical components are finalized • Manufacturing of SDR & Payload braces are in progress • Finalized Solar panel layout • Secondary payload braces • Modified SDR assembly • Copper plate(PCB) between radio & Low Noise Amplifier

  14. Project Overview - structures

  15. PROJECT Review - structures Constraints

  16. Design Constraints - structures

  17. Project Review - structures Final Design

  18. Final Design - structures • Meets requirementsConfirmed from CAD fit with NanoRacks Deployer. • All parts are designed • Manufacturing in Progress • Passed structural analysis • Supports other subsystems • Under the Mass budget limit

  19. Project Review - structures Future Work

  20. Proposed Changes - structures • Reduced length of threaded rods. • Top plate cutout for antenna screw clearance • Bottom plate cut out for wiring • Redesigned solar array layout • Added Cu layered PCB board • Spacing between components for wiring.

  21. Proposed Changes - structures • Changes made based on vibration test: • Added secondary payload antenna braces  • SDR assembly (2 braces)

  22. Project Review - STRUCTURES Encountered Risks

  23. Design Risks - STRUCTURES

  24. Budget - STRUCTURES Status and requests

  25. Budget Status - STRUCTURES

  26. Activity Report - Communications Milestones, Tasks, and Health Report

  27. Milestones - Communications • Assemble, test, and integrate Ground Station and radio • To Complete this milestone: • Provide data from orbital simulations • Work with ground station staff and HABET to assemble ground station • Test radio and ground station to ensure mission readiness • Integrate radio with rest of satellite • Complete all regulation work • To complete this milestone: • Finish all regulation work on time • Stay in touch with all regulatory bodies • Be prepared for any new forms

  28. Task Breakdown - Communications

  29. Project Health Report - Communications • Green, Yellow, Red. This is an honest assessment on how the project is doing currently

  30. PROJECT Review - Communications Overview

  31. Project Overview - Communications • Radio: • Commercial off the shelf (COTS) • EnduroSat UHF Transceiver II • 9600 baud rate • GFSK modulation Source: endurosat.com

  32. Project overview: communications (cont'd) • Ground Station • Handles all comms between Earth and Cysat • Utilizes rotor in design to maximize comms time • Use HRD for elevation, azimuth, and doppler shift

  33. PROJECT Review - Communications Constraints

  34. Design Constraints - Communications • Limited power budget-limited data rate • Data cannot be encrypted/altered in any way •  No images can be sent •  Radio is limited to a frequency of 436.375 MHz

  35. Project Review - Communications Final Design

  36. Final Design - Communications • Commercial off the shelf radio produced by EnduroSat • Data will be transferred at 9600 baud • GFSK modulation • Ground station will be using HRD for tracking and Doppler shift

  37. Final design - ADCS • COTS purchased from Cubespace • Created Excel sheets for 488 team • Breaks down each TC command • Using 5 sun sensors instead of 6 • Coarse Sun Sensors are not critical • Detumbling mostly relies on Magnetometer • Building MATLAB State-flow charts as fail-safe • Power supplied to Y-Wheel motor through converter board Source: cubesatshop.com

  38. Project Review - Communications Future Work

  39. Proposed Changes - Communications • The ADCS will be using 5 sun sensors instead of 6 • No other changes are being proposed at this time

  40. Project Review - Communications Encountered Risks

  41. Design Risks - Communications • Radio does not connect with ground station (High) • Mitigations: Testing radio with dummy load • Testing ground station by pinging signal off ISS • Integration is not completed in time (Medium) • Mitigations: Having a consistent schedule of work over the summer • Transferring all documentation to the summer files on Cybox • Regulation documents are not successfully completed (Low) • Mitigations: Staying on top of new documents sent to us • Writing Documents thoroughly and promptly

  42. Budget - Communications Status and requests

  43. Budget Status - Communications

  44. Activity Report - Electronics Milestones, Tasks, and Health Report

  45. Milestones - Electronics • Complete the designs for the side panel PCBs of CySat-1 • To Complete this milestone: • Measure out the components that will be attached to the PCB's • Create schematics for PCB components (KiCAD) • Design/ place components onto PCB design (KiCAD) • Work with Structures and ACDS teams to avoid conflicts • Establish a plan on wiring up the CySat-1's electrical components • To Complete this milestone: • Measure/ determine length and thickness of wires • Use diagrams and charts to visualize wire placement and location • Determine an order in which each wire and respective component should be integrated • Maintain the Electrical Power System (EPS) of CySat-1 • Measure voltage of batteries  • Communicate with EnduroSat to ensure necessary procedures are being followed

  46. Task Breakdown - Electronics

  47. Project Health Report - Electronics

  48. PROJECT Review - Electronics Overview

  49. Project Overview - Electronics Side Panel PCBs • From Left to Right: Y+, Y-, X+, X-, Z- • Designed using KiCad and measurments generated from Solidworks. • Solar Cells (listed largest to smallest) • 5 ISS Cells (Spectrolab) • 9 Spectrolab UTJ's • 60 TrisolX Cells (Formally 84) • Will Carry Sun Sensors for ACDS

  50. Project Overview –Electronics Electrical Power System (EPS) from EnduroSat • Lithium Polymer Batteries recharged by solar arrays • Activated  via RBF pin and 3 roller switches • 6 connectors for solar arrays • Base of PC104 stack

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