Abstract
The paper deals with two approaches to the synthesis of a non-linear control system of the thermal regime of a liquid-phase chemical reactor at the realization of a bimolecular exothermic reaction. Synthesis of control algorithms is carried out by the method of analytical design of aggregated regulators (ADAR). The first variant assumes synthesis of temperature controller by classic ADAR method on the basis of a sequential set of invariant manifolds. The second one is based on the cascade control system structure. Computer simulation is used to study and compare the synthesized control systems.
Highlights
The reactor subsystem is a central part of the overall scheme for the transformation of initial reagents into target products and largely determines resource and energy saving, the economic efficiency of the production process as a whole, and the consumer demand for certain products [1].The purpose of the chemical reactor operation is to provide, by standards, a value of the concentration of the target product at the outlet that determines the quality of the product
Due to the complexity of real-time concentrations measurement, the process is often performed at temperature and the role of the automatic control system of the object is to stabilize the thermal regime of the process under fault conditions, as well as when transferring an object from one regime to another [2,3]
This paper considers and analyses alternatives for the synthesis of a nonlinear reactor thermal control system using the aggregated regulators (ADAR) method
Summary
The reactor subsystem is a central part of the overall scheme for the transformation of initial reagents into target products and largely determines resource and energy saving, the economic efficiency of the production process as a whole, and the consumer demand for certain products [1]. In the case of a constant amount of starting reagents, the product concentration value is determined by the process temperature, since it determines the rate at which the starting materials are transformed into reaction products. For this reason, and due to the complexity of real-time concentrations measurement, the process is often performed at temperature and the role of the automatic control system of the object is to stabilize the thermal regime of the process under fault conditions, as well as when transferring an object from one regime to another [2,3]. The first variant assumes synthesis of the temperature regulator by the classic
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