This SCD model is complemented with a group of agents in each one of the levels of the hierarchy, this is the IDCSA model shown in Figure 2. The Supervisory level adjusts the parameters of the controllers, the control signal is obtained at the Local Control level, to later be incorporated at the plant at the Process level.
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At the business and planning levels decisions are made at the managerial level, and the control process jobs are carried out at the lowest levels. Figure 1 shows hierarchical reference architecture to develop a Distributed Control System (SCD), that permits the automation of an industrial plant. The control jobs and information management needed in automation processes can be distributed and expressed through a hierarchical logical structure. The description of the agents in this reference model is based on the MASINA methodology which has an extension of MAS-Common KAD methodology to incorporate other characteristics of agents such as emerging behavior, the reasoning, and the possibility of using intelligent techniques (expert systems, artificial neuronal networks, genetic algorithms, fuzzy logic, etc.) for carrying out their jobs. Our model will be made up of entities called agents, that work together dynamically to satisfy the control systems local and global objectives and whose design can be made completely independent of the system could be developed. In this work, a reference model for Intelligent Distributed Control System (IDCS) based on Agents is proposed. The main preoccupation of the MAS is the coordination between the groups of autonomous agents, perhaps intelligent, to coordinate their objectives, skills, knowledge, tasks, etc. On the other and, a MAS can be defined as a net- work of “problem- solvers” that work together to solve problems that could not be worked out individually. The integrated structure should permit the flow of information at all levels (management, operation, etc.) concerning the plant, the products obtained, and all the relevant information. Moreover, they should take into account production and economic criteria that can be applied as control commands or as part of a plant pro- gramming function. there is great interest in the development of integrated automation systems that permit monitoring different plant operation variables in a broad and dynamic way and to transform such variables in control commands that are later integrated into the plant through actuators. We look forward to engaging Canadians on the report’s findings.” “We hope that our first annual report on the Security of Canada Information Disclosure Act will both inform Canadians as to how federal agencies share national security information, and give them confidence that strong accountability and transparency mechanisms are in place and working as intended. This collaboration will avoid duplication and leverage the expertise of both organizations. NSIRA is looking forward to collaborating with the Office of the Privacy Commissioner of Canada on the next annual SCIDA report. The report overviews specific issues to address across the national security community to ensure consistency with the Act.NSIRA observed that federal agencies used SCIDA to share national security information, as intended, and that disclosures contained information sharing caveats, as the Act requires.From the time that SCIDA came into force on Juntil December 31, 2019, federal agencies used the Act to share national security information 114 times.
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Overall, NSIRA found that in 2019 federal agencies made good progress towards institutionalizing SCIDA.
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It also sets out NSIRA’s expectations and intentions for the future, and explains why information sharing is an important national security issue. The report provides Parliamentarians and Canadians with information about SCIDA, how the Act fits alongside other laws that govern information sharing, and a summary of the disclosures federal agencies made under the Act in 2019. This report fulfils that obligation for 2019. NSIRA is required, under its governing legislation, to submit an annual report to the Minister of Public Safety and Emergency Preparedness on disclosures made under SCIDA the previous year. Parliament enacted SCIDA in 2019 to improve the sharing of intelligence and national security information between federal agencies.