KEYWORDS: Systems modeling, Mathematical modeling, Control systems, Analog electronics, Computing systems, Binary data, Associative arrays, Software development, Complex systems
The paper is devoted to the development and research of new mathematical models of the functioning and development of modern production systems. The development is based on the methodology of optimal aggregation and the solution of a variational problem of optimal development applying the maximum principle method. The following modules have been developed: operators of optimal aggregation of the “production, development”, “innovation” structures. The simulation model of the active external environment has been modified: “producers, products, consumers”. The decomposition of the development process has been made into intervals where correction of the optimal development strategy is performed. The analysis of the existing integral criteria of optimality of the “accumulated output” type has been made. The criterion of the generalized stability of the optimally aggregated production system on the given classes of environment is selected and implemented in the software environment. Examples of modelling are given.
Production control system, enabling to distribute resources or loads between subsystems quickly and optimally is suggested. The methodology of optimal aggregation allows us to replace the multidimensional optimization problem by a system of one-dimensional optimization problems, which removes the dimensionality problem. The solution of optimization problem is the optimal equivalent function of the production system. A technique of parametrization of this function is developed. Optimum control is represented as a function of resources prices, production products, parameters of production functions. A decision support system has been developed and software modules have been tested.
The theoretical fundamentals and principles of development models and methods of the production systems development
processes optimization, based on optimal aggregation methodology are proposed. The new approach is a generalization
and development of the methods of maximum and dynamic programming principle. The characteristic feature of the
given approach from its analogues – decomposition of multidimensional optimization problem in one-dimensional tasks
system. On the base of resource links graph analysis between the elements of production systems binary tree of optimal
aggregation is built. As a result, the multidimensional nonlinear model of the production system is replaced with the
equivalent by input-output one-dimensional element, for which variation problem of the optimal development with
integral criterion of the first kind is solved.
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