Recent cyberattacks against industrial control systems highlight the criticality of preventing future attacks from disrupting plants economically or, more critically, from impacting plant safety. This work develops a nonlinear systems framework for understanding cyberattack-resilience of process and control designs and indicates through an analysis of three control designs how control laws can be inspected for this property. A chemical process example illustrates that control approaches intended for cyberattack prevention which seem intuitive are not cyberattack-resilient unless they meet the requirements of a nonlinear systems description of this property.
Controls and Control Theory | Information Security | Process Control and Systems
Durand, H. A nonlinear systems framework for cyberattack prevention for chemical process control systems. Mathematics 2018, 6(9), 169; https://doi.org/10.3390/math6090169