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The design of technical systems is a complex process that requires taking into account many technical and engineering aspects. In modern conditions, problems arise in the development of complex technical systems and objects. To improve the quality of the designed systems and their economic feasibility can be achieved thanks to the operating principle model. The correct choice of the fundamental principles of the functioning of a technical system ensures the efficiency and quality of the management decision made. The principle of operation of a complex technical system is a sequence of actions that are based on certain physical effects that are necessary for the functioning of the system. When searching for optimal design solutions, it is necessary to consider various options for operating principles. Using a variety of physical effects, you can create different versions of the operating principles of complex technical systems and objects. One of the most famous methods for finding solutions is the morphological box method. The paper examines various ways to formalize the morphological box method and draws conclusions about the features of its application. The operating principle of a complex technical system is described, based on the concept of coupling of physical effects. The presented description of the set of technical solutions (tree of possible solutions), in contrast to the morphological box model, provides a complete hierarchical representation of the operating principle and allows us to identify feasible solutions using graph methods.
Irina A. Vysotskaya (Sun,) studied this question.