QB50 System Requirements Document

More documents

Recommendations

Info

CONTENTS1 Introduction ............................................................................................................ 52 Normative and Informative documents ............................................................... 62.1 Normative Documents ................................................................................... 62.2 Informative Documents .................................................................................. 63 Abbreviations ......................................................................................................... 74 Electrical Interfaces ............................................................................................... 74.1 Science Unit Connector Definition ................................................................ 94.1.1 SWITCHED Power Pins .......................................................................... 104.1.2 Grounding ................................................................................................ 104.1.3 Surface Thermal Monitor (STM) Thermistors .......................................... 104.1.4 Surface Thermal Monitor Thermistor Locations ....................................... 114.1.5 Science Unit Thermistor .......................................................................... 114.1.6 Science Unit Serial Interface ................................................................... 114.2 Sun Sensor.................................................................................................... 114.3 EMC requirements ........................................................................................ 114.4 Power Budget ............................................................................................... 125 CubeSat OBC Software Requirements .............................................................. 135.1 Overview of SU Control Strategy ................................................................ 135.2 Data Handling and Control .......................................................................... 135.3 Command & Response Handling ................................................................ 145.3.1 OBC Sending a Command Packet .......................................................... 145.3.2 OBC Error Handling of Science Unit ....................................................... 145.3.3 SU Error Handling: Command Execution Error Handling ........................ 155.3.4 SU Error Handling: Sending a Response Packet ................................... 155.4 Command Packet Structure to Science Unit .............................................. 165.5 Reponses Packet Structure to CubeSat ..................................................... 165.6 Data Rates and Volumes .............................................................................. 175.6.1 Example INMS Operation Scenario ......................................................... 175.7 SU State Transition Diagram ....................................................................... 185.8 OBC Script Commands ................................................................................ 195.9 OBC Script Command Description ............................................................. 195.9.1 OBC and SU Specific Commands ........................................................... 195.9.2 Script TIME Field - @t ............................................................................. 205.9.3 Script Encoder Software Tool .................................................................. 20
5.9.4 OBC_SU_ON (0xFB) .............................................................................. 205.9.5 OBC_SU_OFF (0xFC)............................................................................. 215.9.6 OBC_SU_END (0xFF)............................................................................. 215.9.7 SU_STDBY (0x02) .................................................................................. 215.9.8 SU_TH (0x03) ......................................................................................... 215.9.9 SU_STIM (0x04)...................................................................................... 225.9.10 SU_LDP (0x05) ....................................................................................... 225.9.11 SU_HC (0x06) ......................................................................................... 235.9.12 SU_CALM (0x07) .................................................................................... 245.9.13 SU_SCI (0x08) ........................................................................................ 255.9.14 SU_HK (0x09) ......................................................................................... 265.9.15 SU_STM (0x0A) ...................................................................................... 265.9.16 SU_HVARM (0x53) & SU_HVEN (0xC9) ................................................ 275.10 Example SU Command Sequence Script ................................................... 286 Mechanical interface ........................................................................................... 296.1 Accommodation and Field of View ............................................................. 296.2 Interface control drawing ............................................................................. 296.3 Surface finish ................................................................................................ 296.4 Mass .............................................................................................................. 297 Attitude Control ................................................................................................... 308 Cleanliness and Contamination ......................................................................... 309 Operating Conditions .......................................................................................... 3010 Handling ............................................................................................................ 3011 Thermal ............................................................................................................. 3012 Appendix 1 ........................................................................................................ 31
Page 1 and 2: QB50System Requirementsand Recommen
Page 4: Science Payload Interface Control D
Page 7 and 8: 1. CubeSat System Requirements1.1 S
Page 9: Figure 3: 3U CubeSat extended volum
Page 12 and 13: possibility of using other team’s
Page 14 and 15: QB50-SYS-1.5.11. Every science pack
Page 16 and 17: 3. Display which ground station is
Page 18 and 19: 2.3 Spacecraft ContaminationQB50-SY
Page 22: 4.1 MechanicalAs shown in Figure 5,
Page 25 and 26: Attachment A: INMS Interface Contro
Page 27: CHANGE RECORDIssue Date Sections ch
Page 31 and 32: 2 Normative and Informative documen
Page 33 and 34: CUBESAT side connector to attach to
Page 35 and 36: 4.1.1 SWITCHED Power PinsThe +5, +3
Page 37 and 38: 4.4 Power BudgetThe power budget is
Page 39 and 40: 5.3 Command & Response Handling5.3.
Page 41 and 42: 5.4 Command Packet Structure to Sci
Page 43 and 44: 5.7 SU State Transition DiagramThe
Page 45 and 46: 5.9.2 Script TIME Field - @tTime-ta
Page 47 and 48: 5.9.9 SU_STIM (0x04)This command wi
Page 49 and 50: 5.9.12 SU_CALM (0x07)This command r
Page 51 and 52: 5.9.14 SU_HK (0x09)The HOUSE_KEEPIN
Page 53 and 54: 5.10 Example SU Command Sequence Sc
Page 55 and 56: 7 Attitude ControlThe CubeSat shall
Page 57 and 58: Attachment B: FIPEX Interface Contr
Page 59 and 60: FIPEX on QB50 Date: 06.02.2013--- D
Page 79 and 80:
FIPEX on QB50 Date: 06.02.2013--- D
Page 81 and 82:
FIPEX on QB50 Date: 06.02.2013--- D
Page 83 and 84:
Attachment C: m-NLP Interface Contr
Page 85 and 86:
TITLE: QB50 m-NLP Science Unit Inte
Page 87 and 88:
Page 89 and 90:
Page 91 and 92:
Page 93 and 94:
Page 95 and 96:
Page 97 and 98:
Page 99 and 100:
Page 101 and 102:
Page 103 and 104:
Page 105 and 106:
Page 107 and 108:
Page 109 and 110:
show all

QB50 System Requirements Document

You also want an ePaper? Increase the reach of your titles

Delete template?

Save as template?