The issues concerning Space Vehicle Data Acquisition are similar to those for Launch Vehicles with some additional concerns including

  • Separation transient shocks – 2,000g or more
  • Very rapid temperature changes affects sensor measurements; condensation can damage electronics
  • Very high energy particles (>10 MeV) cause single event effects possibly leading to damage
  • Data acquisition network change during separation

While Space qualified COTS can meet most of these requirements, extra reliability is required due to increased radiation effects. To meet such demands, Curtiss-Wright has developed the "Smart Backplane chassis". These are rugged chassis that have been designed specifically with space-related data acquisition, data processing and recording in mind. Its smart radiation-hardened backplane design allows the use of 100+ plug-in COTS modules
in a radiation-intensive environment without the need for those modules to have any in-built radiation protection. This has the advantage of keeping cost much lower than a full radiation hardened design while giving adequate protection for many space vehicle applications.

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