Complexity Growth in Aerospace Systems
Use of self-learning and resilient components permits aerospace systems today to achieve more and accomplish tasks that were otherwise not possible. This degree of freedom however has led to an almost exponential growth in system complexity the past few decades.
The figure measures the complexity growth using on-board lines of source code in thousands. Data compiled from  -.
Complexity in a system stems from Interaction! Whether it is:
- Interaction between the various subsystems
- Interaction between the environment and the subsystem(s)
- Interaction between “agents”
- or lot more
The result of this interaction is the proliferation of:
- Near infinite state space/ environmental conditions, and
- Composition of system(s) in a way that may result in potentially catastrophic behavior
Impact on Cost and Constraints on Innovation
The direct consequence of software complexity is emergent and sometimes even unexpected behavior due to interaction between different components of software and hardware. Further, testing, evaluating and certifying each of these consequences places unmanageable demands on computational resources and development cost.
Research in the Advanced Dynamics, Validation & Control Research Laboratory specializes in the following three emerging areas for complex systems:
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