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In this paper a method for detecting errors in the discrete logic of hybrid systems is applied to chemical plant automation systems. The method relies on the application of supervisory control theory to a discrete abstraction of the hybrid system that models the plant and controller. A set of general operability requirements are also presented that can be applied to any automation system to detect...
As the sophistication of attacks on secured systems extends to the international electronic borders, there exists an increased need for enhanced physical layer security in silicon in order to protect sensitive information such as encryption keys used in most security systems. With hardware security as one of the new primary requirements for many, if not most, system architectures, new questions are...
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