A self-tuning hierarchical controller in which a Fuzzy logic controller supervises the control actions of a conventional PID has been proposed, implemented and presented in this paper.The controller has been applied to a control study of Fluid Catalytic Cracking unit (FCCU) riser temperature, and regenerator temperature respectively.Comparison betw
The armed conflict in Ukraine, which grundfos scala1 3-45-1 115v 60 hz 99631742 began in February 2022, also has its own geopolitical dimension.The hypothesis that is being proven in this paper is: The consequences of the escalation of the Ukrainian crisis irreversibly transform the geopolitical environment and thus induce the formation of a New Wo
The creation of value is a critical factor that determines the competitive capacity of firms and their ability to survive.Notwithstanding its importance, value creation usually becomes a fuzzy concept that is difficult to grasp, especially when increasingly complex elements of reality are incorporated into its analysis.Building on viqua-f4 the narr