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Optimal Opacity-Enforcing Supervisory Control of Discrete Event Systems on Choosing Cost
Version 1
: Received: 8 February 2024 / Approved: 8 February 2024 / Online: 8 February 2024 (07:03:01 CET)
A peer-reviewed article of this Preprint also exists.
Dai, Y.; Wang, F.; Luo, J. Optimal Opacity-Enforcing Supervisory Control of Discrete Event Systems on Choosing Cost. Appl. Sci. 2024, 14, 2532. Dai, Y.; Wang, F.; Luo, J. Optimal Opacity-Enforcing Supervisory Control of Discrete Event Systems on Choosing Cost. Appl. Sci. 2024, 14, 2532.
Abstract
To assure the opacity, an optimal problem is to retain the occurring events sequences as many as possible. Contrary to such problem, the other optimal problem is to preserve the minimal occurring events sequences. In the paper, based on the choosing cost, an optimal opacity-enforcing model is presented to minimize the sum of discount choosing cost, which is not only to preserve the opacity, but also to retain the secret to the maximum. To solve the model, two scenarios on opacity are considered. For the two scenarios, some algorithms are presented to achieve the optimal solution for the model by using the method of dynamic programming. And then, the solutions produced by the algorithms are proved correctly by theoretical proof. Finally, some illustrations for the algorithms are given.
Keywords
Opacity; optimal supervisors; dynamic programming; discrete event systems
Subject
Engineering, Control and Systems Engineering
Copyright: This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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