因此，复杂机电系统的研究可以概括为以下六个层次：(1)复杂机电装备的系

Therefore, the research of complex electromechanical systems can be summarized into the following six levels: <br>(1) The systematic scientific method of complex electromechanical equipment. Explore the systematic method of multidisciplinary knowledge intersection, fusion and integration that takes machinery as the main carrier; build a "top-down" theory and method system for the integration and innovation of complex electromechanical equipment. <br>(2) The internal mechanism and law of complex electromechanical system function generation, multi-process coupling and dynamic performance evolution. Reveal the multi-medium, multi-scale, multi-energy field, multi-interface and multi-process coupling mechanism of complex electromechanical systems, and discover the principle of system function generation embedded in multi-physics processes; reveal the dynamic distortion, performance mutation and fault dynamic evolution of complex electromechanical systems The internal laws of the world. <br>(3) Multi-domain modeling theory and analysis method of complex electromechanical systems. Explore the theory and method of multi-domain unified modeling of complex systems; study the theory and method of multi-disciplinary comprehensive analysis of complex electromechanical systems; find modeling and analysis methods suitable for high-dimensional, strong nonlinear, multi-process and multi-interface coupled dynamic systems of complex systems Wait. | (4) System design theory and methods for complex electromechanical equipment. Study energy flow · material flow-information flow collaborative design theory; study top-level design theory and methods of complex electromechanical equipment; integrated design theory for building complex systems; etc .; explore "structure-function-performance" integrated design and design of complex electromechanical equipment -Manufacturing-Operation "| New theories and methods of the whole process collaborative design. <br>(5) The key quality design theory and common technology of complex electromechanical equipment

Therefore, the study of complex electromechanical systems can be summarized in six levels:<br>(1) A systematic scientific method of complex electromechanical equipment. Explore the systematic method of cross-cutting, fusion and integration of multidisciplinary knowledge with machinery as the main carrier, and construct the theory and method system of "top-down" of integrated and innovative complex mechanical and electrical equipment.<br>(2) The internal mechanism and law of the function generation, multi-process coupling and dynamic performance evolution of complex electromechanical system. This paper reveals the mechanism of multi-media, multi-scale, multi-functional field, multi-interface and multi-process coupling of complex electromechanical systems, and discovers the principle of system function generation, which is embodied in multi-physics processes, and reveals the inherent laws of dynamic distortion, performance mutation and dynamic evolution of complex electromechanical systems.<br>(3) Multi-field modeling theory and analysis method series of complex electromechanical systems. Explore the theory and method of multi-disciplinary modeling of complex systems, study the multi-disciplinary comprehensive analysis theory and method of complex mechanical and electrical systems, and find the modeling and analysis methods applicable to high-dimensional, strong nonlinear, multi-process and multi-interface coupling power systems of complex systems. To study the theory of energy flow, material flow-information flow collaborative design, to study the theory and method of top-level design of complex mechanical and electrical equipment, to construct the integrated design theory of complex systems, and to explore the new theory and new method of the whole process collaborative design of the complex mechatronic equipment.<br>(5) Key quality design theory and common technology of complex mechanical and electrical equipment

Therefore, the research of complex electromechanical system can be summarized into the following six levels:<br>(1) System science method of complex electromechanical equipment. This paper explores the systematic method of interdisciplinary knowledge intersection, fusion and integration with machinery as the main carrier, and constructs the theory and method system of "from top to bottom" for the integrated innovation of complex electromechanical equipment.<br>(2) The internal mechanism and law of function generation, multi process coupling and dynamic performance evolution of complex electromechanical system. It reveals the coupling mechanism of multi-media, multi-scale, multi energy field, multi interface and multi process of complex mechanical and electrical system, finds the system function generation principle in multi physical process, reveals the internal law of dynamic distortion, performance mutation and fault dynamic evolution of complex mechanical and electrical system.<br>(3) Multi domain modeling theory and analysis method of complex electromechanical system. To explore the theory and method of multi domain unified modeling of complex system; to study the theory and method of multi-disciplinary comprehensive analysis of complex electromechanical system; to find the modeling and analysis method suitable for high-dimensional, strong nonlinear, multi process and multi interface coupling dynamic system of complex system. |(4) System design theory and method of complex electromechanical equipment. Study the theory of collaborative design of energy flow, material flow and information flow; study the theory and method of top-level design of complex mechanical and electrical equipment; build the theory of integrated design of complex system; explore the new theory and method of "structure function performance" integrated design of complex mechanical and electrical equipment, and "design manufacture operation" collaborative design of the whole process.<br>(5) Key quality design theory and common technology of complex electromechanical equipment