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Barrios - 4306 - Software Engineering

Barrios Technologies project for Angelo State CS 4306 - Software Engineering

Team Members

Client Contacts

Project Mentor

Mason Kindle, Graduate Assistant - mkindle@angelo.edu

Project Requirements

Focus

Remember the following prompts for analysis, and center all of the effort around deriving insights into these prompts: Questions:

  1. What is the percent difference between historical consumable usage rate assumptions and actual calculated usage rates in mission time frames between resupply?

Answer: Overall historical usage on the space station for the time period covered by client data was 1.04% less than assumed usage rates.

Overall Usage

  1. What resupply quantities are necessary, considering planned resupply vehicle traffic from the ISS Flight Plan, planned On-Orbit Crew counts, and historical usage rates to sustain minimum supply thresholds, plus a 10% safety factor, through the next two years?

Answer: Usage quantities can be found in the table below.

event_date vehicle_name ACY Inserts Air Filter Inserts KTO Nitrogen Oxygen Pretreat Tanks Urine Receptacle US Food BOBs Water
2024-01-10 Ax-3 63 282 lbs 0 1 3 lbs 52 lbs 0 0 1 177 Liters
2024-01-17 DCC-1 172 484 lbs 1 5 6 lbs 177 lbs 1 1 3 560 Liters
2024-01-29 NG-20 155 686 lbs 1 4 8 lbs 127 lbs 0 1 4 431 Liters
2024-02-15 87Progress 27 121 lbs 0 1 1 lbs 23 lbs 0 0 0 76 Liters
2024-02-18 Crew-8 136 605 lbs 1 4 8 lbs 112 lbs 1 1 3 380 Liters
2024-03-04 SpX-30 346 1534 lbs 2 9 18 lbs 283 lbs 1 2 7 962 Liters
2024-04-11 Boe-CFT 182 807 lbs 1 5 10 lbs 150 lbs 1 1 4 507 Liters
2024-05-01 HTV-X1 82 363 lbs 0 2 4 lbs 67 lbs 0 0 2 228 Liters
2024-05-10 Ax-4 191 847 lbs 1 6 10 lbs 157 lbs 1 1 4 532 Liters
2024-05-31 88Progress 273 1211 lbs 2 7 15 lbs 224 lbs 1 2 5 760 Liters
2024-06-30 SpX-31 319 1412 lbs 2 9 17 lbs 261 lbs 2 2 7 886 Liters
2024-08-04 USCV-9 136 605 lbs 1 4 7 lbs 112 lbs 0 1 3 380 Liters
2024-08-19 89Progress 55 242 lbs 0 1 3 lbs 45 lbs 1 0 1 152 Liters
2024-08-25 NG-21 191 848 lbs 1 5 10 lbs 157 lbs 0 1 4 532 Liters
2024-09-15 DCC-2 611 1896 lbs 4 17 23 lbs 609 lbs 3 4 13 1943 Liters
2024-11-01 PAM-5 291 1291 lbs 1 8 16 lbs 239 lbs 1 1 6 811 Liters
2024-12-03 HTV-X2 36 162 lbs 1 1 1 lbs 30 lbs 0 1 0 101 Liters
2024-12-07 90Progress 210 928 lbs 1 6 12 lbs 172 lbs 1 1 5 583 Liters
2024-12-30 SPM 9 40 lbs 0 0 0 lbs 7 lbs 0 0 0 25 Liters
2024-12-31 SpX-32 291 1291 lbs 2 8 16 lbs 239 lbs 2 2 6 811 Liters
2025-02-01 NG-22 45 202 lbs 0 2 2 lbs 37 lbs 0 0 1 126 Liters
2025-02-06 USCV-10 164 726 lbs 1 4 9 lbs 135 lbs 1 1 3 456 Liters
2025-02-24 91Progress 728 3228 lbs 4 20 39 lbs 597 lbs 3 4 15 2027 Liters
2025-05-15 PAM-6 9 41 lbs 0 0 0 lbs 8 lbs 0 0 1 25 Liters
2025-05-16 DCC-3 415 1170 lbs 2 12 14 lbs 428 lbs 1 2 8 1354 Liters
2025-06-14 92Progress 437 1937 lbs 3 12 23 lbs 359 lbs 2 3 9 1216 Liters
2025-08-01 NG-23 27 121 lbs 0 0 2 lbs 22 lbs 0 0 1 76 Liters
2025-08-04 USCV-11 255 1130 lbs 2 7 13 lbs 209 lbs 2 2 5 709 Liters
2025-09-01 93Progress 273 1210 lbs 1 8 15 lbs 224 lbs 1 1 6 760 Liters
2025-10-01 CRS 2-24 282 1251 lbs 2 8 15 lbs 232 lbs 1 2 6 785 Liters
2025-11-01 NG-24 228 1009 lbs 1 6 12 lbs 187 lbs 1 1 4 634 Liters
2025-11-26 PAM-7 218 968 lbs 1 6 12 lbs 179 lbs 1 1 5 607 Liters
  1. What resupply quantities meet the requirements of question #2 while minimizing launch vehicle quantity? (e.g., launching 10,000 granola bars would ensure the minimum thresholds are not violated, but is not a realistic or optimal strategy for balancing launch mass requirements with supply requirements)

Answer: Resupply quantities listed in the table above meet the minimum launch vehicle quantity based on the schedule represented in the iss_flight_plan data.

  1. What month in the next two years of the Flight Plan timeline is most likely to incur a violation of minimum supply thresholds?

Answer: The time period most likely to incur a violation of minimum resupply thresholds is the period between launches in February, 2025 and May 2025.

Resupply Failure Period

  1. Which consumables item(s) are most likely to incur a violation of minimum supply thresholds in the next two years of the future Flight Plan timeline?

Answer: Water is the most likely consumable to incur a violation of minimum resupply thresholds.

Water Failure

Documentation

Project Wiki

Installation

Installation instructions are on the Installation Instructions page.

User Manual

A user manual can be found on the User Manual page.

Project Iterations

Project Presentation

A slideshow presentation describing the project and its implementation can be viewed through the presentation pdf.

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Barrios Technologies project for Angelo State CS 4306 - Software Engineering

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