ANALYTICAL REVIEW OF THE WAY AND METHODS OF SYNTHESIS OF HYDROPNEUMATIC UNITS SCHEMES

Abstract

The purpose of this article is to determine the main methods of synthesizing hydropneumatic units circuits and to build a path that can be followed when building circuits with control machines. Thanks to the definition of the main approaches of structural synthesis, namely elemental, aggregate and their combination, the structural organization of these approaches was built. The article discusses the main methods of synthesizing schemes of hydropneumatic units, which begin with a formalized description of the task. The considered principles of building schemes on the first link contain a standard positional structure. The essence of the positional structure and the transition to a minimized structure are considered. Aspects of the synthesis of the minimized structure and the standard positional structure in the context of systems of linear equations are determined. Considered methods using systems of logical equations and correspondence matrices. The methods of synthesis of logic equations and their subsequent minimization taking into account the states of the system, memory elements and output devices are considered. The framework of the application of graph theory and its role in the synthesis of schemes of hydropneumatic units are defined. The main provisions of the application of decomposition methods are considered. The method of synthesis of schemes with positioning of hydropneumatic units by implementation on sensors and non-power stops is considered. Attention is drawn to the application of industrial logic controllers and their role in modern methods of implementation of schemes in practice. The advantages and disadvantages of these methods are highlighted, as well as some work algorithms are provided.