Master Thesis - OUFTI-1
Master Thesis - OUFTI-1 Master Thesis - OUFTI-1
Parts Components Number Best case (g) Worst case (g) Chassis's panel 3 94 Solar cell 6 Chassis's panels Kapton lm / Adhesive / 31.3 Coverglass / Subtotal 125.3 Box 1 27.33 Battery support Cover 1 19.24 Screw M3 × 8 mm 4 1.86 Subtotal 48.43 Endless screw 4 14.6 Spacer 4 mm 4 0.31 Spacer 15 mm 12 3.39 Fixations Spacer 19 mm 4 1.43 Midplane stando 4 3.03 Washer 4 0.38 Screw M3 × 4 mm 4 1.28 Nut M3 4 1.31 Subtotal 25.73 Total 438.04 Subsystem: Mechanism Parts Components Number Best case (g) Worst case (g) Antennas 435 MHz 1 1.25 145 MHz 1 3.46 Subtotal 4.71 Antenna support Support 1 26 Deployment mechanism 1 1 Subtotal 27 Thermal knife Thermal knife 1 0.5 Subtotal 0.5 Total 32.21 Subsystem: Attitude & Determination Control System Parts Components Number Best case (g) Worst case (g) Permanent magnet Permanent magnet 1 2 3 Subtotal 2 3 Hysteretic bars Hysteretic bar 4 2 3 Subtotal 2 3 Total 4 6 41
Subsystem: Thermal Control Parts Components Number Best case (g) Worst case (g) General Heat sensor 3 3 6 Subtotal 3 6 Heater 2 2 3 Batteries Thermostat 4 0.75 0.85 Wire 8 8 10 Thermal insulation 1 0.02 0.08 Subtotal 10.77 13.93 Cu strap 1 5 10 EPS Bolt M3 3 9 18 Resistance 2 2 3 Subtotal 16 31 Total 29.77 50.93 Subsystem: Electrical Power Supply Parts Components Number Best case (g) Worst case (g) EPS Card 1 64.67 Subtotal 64.67 xEPS Card 1 58.7 Subtotal 58.7 Battery Kokam Batteries SLB 603870H 2 62 66 Wire 4 4 8 Subtotal 66 74 Total 189.37 197.37 Subsystem: On-Board Computer Parts Components Number Best case (g) Worst case (g) FM 430 Card 1 66.85 Subtotal 66.85 OBC 2 Card 1 50.47 Subtotal 50.47 Total 117.32 Subsystem: Telecommunication Parts Components Number Best case (g) Worst case (g) COM Card 1 50 65 Total 50 65 42
- Page 1 and 2: University of Liège Faculty of App
- Page 3 and 4: Abstract OUFTI-1, standing for "Orb
- Page 5 and 6: 3.4 Initial idea . . . . . . . . .
- Page 7 and 8: List of Figures 1.1 The Pumpkin's C
- Page 9 and 10: 4.18 MAC matrix using the simple me
- Page 11 and 12: List of Acronyms ADCS Al AlNiCo ASI
- Page 13 and 14: Thesis outline This thesis focuses
- Page 15 and 16: of larger satellites. So, the CubeS
- Page 17 and 18: 1.2 OUFTI-1 project 1.2.1 Genesis O
- Page 19 and 20: • XatCobeo (Vigo - Spain): Develo
- Page 21 and 22: Chapter 2 OUFTI-1: Flight system co
- Page 23 and 24: Figure 2.2: Product tree of OUFTI-1
- Page 25 and 26: 2.3.2 Solar panels The armor panels
- Page 27 and 28: • We do not want to drill or manu
- Page 29 and 30: In our case, because of the limited
- Page 31 and 32: Figure 2.13: Magnetic eld obtained
- Page 33 and 34: Figure 2.17: Pictures of the ADCS c
- Page 35 and 36: consider the possibility of oshorin
- Page 37 and 38: Figure 2.20: Exploded view of OUFTI
- Page 39 and 40: I xx , I yy and I zz are called the
- Page 41: Subsystem: Structure & Conguration
- Page 45 and 46: Chapter 3 Design of a new support f
- Page 47 and 48: Figure 3.3: Batteries during and af
- Page 49 and 50: The concept is the following one: F
- Page 51 and 52: A test under vacuum conditions was
- Page 53 and 54: Thermal Expansion (CTE) of the mate
- Page 55 and 56: Figure 3.9: Classication by density
- Page 57 and 58: The last property to determine is t
- Page 59 and 60: • So, it was decided to use two t
- Page 61 and 62: is to prevent the batteries' bulge.
- Page 63 and 64: • Then, the thermostats, that wil
- Page 65 and 66: Figure 3.23: Schematics of the cove
- Page 67 and 68: • Other components, including the
- Page 69 and 70: 3.9.3 Dynamic behavior Finally, it
- Page 71 and 72: 3.10 Summary Through this chapter,
- Page 73 and 74: Chapter 4 Electronic cards dynamic
- Page 75 and 76: Figure 4.1: Example of manufacturin
- Page 77 and 78: Figure 4.4: Illustration of the exp
- Page 79 and 80: Figure 4.5: MAC between the two mod
- Page 81 and 82: • Global mass/stiness smearing me
- Page 83 and 84: 4.2.6 Modeling of the chassis A gen
- Page 85 and 86: Q = ω k = 1 ω b − ω a 2 ζ ⇒
- Page 87 and 88: Their study was based on the fact t
- Page 89 and 90: Figure 4.14: Example of spacecraft
- Page 91 and 92: Figure 4.15: Location of measuremen
Parts Components Number Best case (g) Worst case (g)<br />
Chassis's panel 3 94<br />
Solar cell 6<br />
Chassis's panels Kapton lm /<br />
Adhesive /<br />
31.3<br />
Coverglass /<br />
Subtotal 125.3<br />
Box 1 27.33<br />
Battery support<br />
Cover 1 19.24<br />
Screw M3 × 8 mm 4 1.86<br />
Subtotal 48.43<br />
Endless screw 4 14.6<br />
Spacer 4 mm 4 0.31<br />
Spacer 15 mm 12 3.39<br />
Fixations<br />
Spacer 19 mm 4 1.43<br />
Midplane stando 4 3.03<br />
Washer 4 0.38<br />
Screw M3 × 4 mm 4 1.28<br />
Nut M3 4 1.31<br />
Subtotal 25.73<br />
Total 438.04<br />
Subsystem: Mechanism<br />
Parts Components Number Best case (g) Worst case (g)<br />
Antennas<br />
435 MHz 1 1.25<br />
145 MHz 1 3.46<br />
Subtotal 4.71<br />
Antenna support<br />
Support 1 26<br />
Deployment mechanism 1 1<br />
Subtotal 27<br />
Thermal knife Thermal knife 1 0.5<br />
Subtotal 0.5<br />
Total 32.21<br />
Subsystem: Attitude & Determination Control System<br />
Parts Components Number Best case (g) Worst case (g)<br />
Permanent magnet Permanent magnet 1 2 3<br />
Subtotal 2 3<br />
Hysteretic bars Hysteretic bar 4 2 3<br />
Subtotal 2 3<br />
Total 4 6<br />
41
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