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Extra Safety Measures Needed For Aerospace ICs
- Aerospace safety requirements and standards vary depending on whether a spacecraft is manned or unmanned, and how crucial the mission is.
- Defense contractors designing spacecraft use various functional safety approaches based on mission criticality.
- Reliability is crucial in aerospace, as losing a satellite can result in major setbacks for companies.
- Components in spacecraft must be fail-operational due to limited access for repairs.
- Imagination Technologies uses N-modular redundancy for safety in aerospace ICs, ensuring data delivery even in case of failures.
- Duplicating critical hardware and isolating failures within modules are efficient safety practices in aerospace design.
- Triple module redundancy is more common in aerospace than in the automotive sector due to critical circuit functions.
- Fault injections with digital twins help in simulating effects of temperature dissipation and radiation in aerospace ICs.
- Memory protection in aerospace applications involves error correction codes, redundancy, and targeted memory reactivation for fault detection and correction.
- Various standards like DO-254, QML, and ASIL are used in the aerospace industry to ensure safety and reliability of components.
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