Changes between Version 7 and Version 8 of UserApp/Proba-V


Ignore:
Timestamp:
Dec 4, 2011, 2:17:10 PM (8 years ago)
Author:
Iliyankatsarski
Comment:

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  • UserApp/Proba-V

    v7 v8  
    129129
    130130The power distribution and conditioning part of ADPMS supplies an unregulated bus, with each equipment having its internal DC/DC converter. The power conditioning system is designed around a Li-ion battery.
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     133{| border="1"
     134|+ '''Table 1: Overview of PROBA-V subsystems'''
     135|-
     136|Avionics
     137|ADPMS (cold redundant),MPM (Main Processor Module): LEON2-E Sparc V8 processor, 50 MHz,42 MIPS, 10 FLOPS,Mass memory Module: 16 Gbit Flash, EDAC protected
     138|PROBA-2 ; New development
     139|-
     140|EPS (Electric Power Subsystem
     141|Photo-Voltaic Array : Triple junction GaAs cells; Cover glass CMG 100AR coating, 25 strings, 18 cells per string;Battery:12 Ah Li-ion (7s8p) ABSL 18650HC cells
     142|Herschel; PROBA-1
     143|-
     144|Bus structure
     145|Aluminum (AA2024-T3);Aluminum (AA7075-T7351);3 CFRP (EX-1515/M55J + Redux 312L) outer panels
     146|New development
     147|-
     148|AOCS actuators
     149|3 magnetotorquers (internally cold redundant); 4 reaction wheels (3 + 1 for redundancy); 2 magnetometers (cold redundant
     150|ROBA-2/PROBA-1
     151|-
     152|AOCS sensors
     153|2 star trackers; 2 GPS (cold redundant); AOCS IF box (internally redundant); RW Power Supply box (internally redundant)
     154|PROBA-1/-2; New development
     155|-
     156|Onboard SW
     157|Operating System: RTEMS (Real-Time Executive for Multiprocessor Systems)
     158|PROBA-2
     159|-
     160|Thermal
     161|Passive (MLI and paint)
     162|
     163|-
     164|RF communications
     165|S-band TxRx: 5W BPSK; X-band Tx: 6 W filtered OQPSK; MMU (Mass Memory Unit) = 16 Gbit
     166|PROBA-1/-2; ; New development
     167|}
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