Abstract
The paper deals with structural-parametric models for describing dynamic processes of technical systems of an intelligent building. The task of searching for the transfer function of the synthesized elements and devices of its information-measuring and control systems based on the Mason method is formalized. The components of the transfer function are presented in the form of characteristic polynomials in the structural scheme of the energy-information model of the circuit. The results of a comparative analysis of search methods for multiple real and complex conjugate polynomial roots are presented. To organize their search, an iterative method of unconditional optimization of Fletcher-Reeves was chosen. This conjugate gradient method allows to solve the problem of numerical optimization in a finite number of steps and shows the best convergence in comparison with the methods of the fastest descent, with the same order of difficulty of performing the steps of the algorithm.
Highlights
Management of an intelligent building is based on the collection and processing of information coming from elements of controlled engineering systems, represented as an extensive network of sensors and actuators [1,2,3,4,5,6,7,8,9]
Since the main task of the system’s core is to obtain an analytical function of a parametric block diagram at a given point, a method was chosen based on obtaining the Laplace map of the desired transfer function and its translation into the original area
A parametrically complex block diagram of an information-measuring and control system of an intelligent building is generally described by a system of equations
Summary
Management of an intelligent building is based on the collection and processing of information coming from elements of controlled engineering systems, represented as an extensive network of sensors and actuators [1,2,3,4,5,6,7,8,9]. To be able to assess changes in its parameters in a structurally formalized language for describing processes in technical devices, it is necessary to build an energy-information model of the circuit [10, 11]. According to this model, the relationship between the quantities and parameters of the chains is determined by formula transformations through a system of energy, static and dynamic criteria.
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