APPENDIX B: ACRONYMS
Note: Other acronyms may be defined as used under their respective appendices. Abbreviations used for references are described in Appendix A. Abbreviations used for the system life cycle processes are described in Appendix D.
| Aa | Achieved availability |
| Ai | Inherent availability |
| Ao | Operational availability |
| ADS | Automated Driving Systems |
| AECL | Atomic Energy Commission Limited [Canada] |
| AF | Architecture Framework |
| AI | Artificial Intelligence |
| AIAA | American Institute of Aeronautics and Astronautics [United States] |
| ALARP | As low as reasonably practicable |
| ALT | Accelerated Life Testing |
| ANSI | American National Standards Institute [United States] |
| API | American Petroleum Institute |
| API | Application programming interface |
| ARAP | As Resilient as Practicable |
| ARP | Aerospace Recommended Practice |
| ASEP | Associate Systems Engineering Professional [INCOSE] |
| ASOT | Authoritative Source of Truth |
| ASQ | American Society for Quality |
| ATAM | Architecture tradeoff analysis method |
| AWG | Automotive Working Group [INCOSE] |
| BIT | Built-In Test |
| CAD | Computer-aided design |
| CAIV | Cost as an independent variable |
| CBA | Cost–benefit analysis |
| CBS | Cost Breakdown Structure |
| CCB | Configuration Control Board |
| CE | Conformité Européenne [EU] |
| CE | Cost Effectiveness |
| CEA | Cost‐effectiveness analysis |
| CFD | Computational Fluid Dynamics |
| CI | Configuration Item |
| CI/CD | Continuous Integration/Continuous Delivery |
| CM | Configuration Management |
| CMMI® | Capability Maturity Model® Integration [CMMI ... |
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