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Runtime System Support for CPS Software Rejuvenation
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AI
DOI：10.1109/TETC.2023.3267899.png)
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Abstract
En 中文
Software rejuvenation, which was originally introduced to deal with performance degradation due to software aging, has recently been proposed as a mechanism to provide protection against run-time cyber attacks in cyber-physical systems (CPSs). Experiments have demonstrated that CPSs can be protected from attacks that corrupt run-time code and data by periodically restoring the run-time system with an uncorrupted image. Control theoretic and empirical methods have been developed to determine the timing and mode-switching conditions for CPS software rejuvenation (CPS SR) that will guarantee system safety. This article presents the requirements that need to be met by the run-time system to support CPS SR. It also presents an implementation and demonstration of the run-time system for the PX4 autopilot system for autonomous vehicles.
Keywords:
Cyber physical systems
resilience
safety
security
software rejuvenation
UAV
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