Model Predictive Control of (15N) Isotope Separation Column

Abstract

The chemical processes developed in the 15 N-isotope separation plant are very complex and many details are not yet known in totality. The authors are concerned with the problem of developing effective and readily implemental techniques for modelling and control of the isotope separation plant. In the present paper are presented a variant of Model Predictive Control (MPC) of the isotope separation plant. The results are validated by simulation, based on a lot of experiments.

Analysis, modeling and simulation of a DC supply with load power control

“…Our particular application is related to the ( 13 C) cryogenic isotope separation process, developed in a thermal insulated column, cooled at about (-200 o C) with liquid nitrogen [1,2,3,4]. At this temperature the liquid and gaseous phase of ultra-pure carbon monoxide are present in column.…”

“…In a natural process, the isotope of interest ( 13 C), with the initial concentration of (1.11%) [4,5,6] is accumulated in the liquid phase as final product while the predominant ( 12 C) isotope with the abundance of (98.89%) accumulated in the gaseous phase and extracted as waste. In such equipment from INCDTIMfrom Cluj-Napoca, Romania it is possible to obtain an enrichment of ( 13 C) from the natural concentration up to 8-10%, this process being known as isotope separation [1,2,3,4,5].…”

“…Connected more separation columns form an "isotope separation cascade" [2,3]. In order to avoid any electromagnetic interference between various sensors attached to each column, the heating resistors must be supplied in DC [4,5,6].…”

Robust Auto-tuning Fractional Order Control of an Aerodynamical System

“…In the last decade fractional calculus and the use of fractional calculus in control theory is widely studied and used in the research due to their proved advantages [1][2][3][4][5]. PID controllers being the most popular controllers, the interest for such a controller, but having more flexibility is obvious.…”