CREATION OF COMPLEXES OF ON-BOARD EQUIPMENT OF AIRCRAFT USING DIGITAL TWINS, KNOWLEDGE BASE AND MODELING
Object. The technical image of the promising avionics complex is a network structure, the core of which is a digital computing and information environment, consisting of unified hardware and software modules connected into a network. Other components are optionally connected to the core via an internal high-speed interface. The complex interacts with other components of network-centric systems through external interfaces. Methods. The digital basis of the complex makes it possible to develop mathematical models of its components and conduct digital mathematical and semi-natural modelling of the operation of the complexes in various conditions and modes. Modelling is an effective method for controlling the technical decisions made and for detecting errors in advance. Simulation expands the limited possibilities of field testing in conditions of the complex influence of external disturbing factors and in especially dangerous situations. During the operation of aircraft avionics complexes big data is generated, knowledge managing of which is especially important for artificial intelligence systems introduced into the future avionics. Modelling is a core tool for such knowledge application. The implementation of the end-to-end modelling technology at all stages of the avionics life cycle involves the creation of a system of special-purpose and technological models and the corresponding technological environment, which requires the use of artificial intelligence methods in order to maximally describe the models of the avionics complex and its components based on the results of operation. Findings. The creation and effective operation of such an environment requires the solution of several major organizational and technical problems: organization of joint planning with the Customer of procedures for the creation and operation of a product with feedback on the results of operation; certification of digital twins and digital procedures based on the results of field tests and operation; creation of regulatory and organizational measures for the distribution of digital design methods and their results at the stage of operation and subsequent upgrades; determination of digital design methods with the difficulties of reproducing complete and reliable conditions for the use of products; organization, together with scientific institutions, of the study of complex, incorrect operating and operating conditions and their accurate digital twins; creation, together with the Customer, of a unified digital environment, involving tasks, work, testing, their operation and modernization. Conclusions. Reusable and goal-directed application of methods of digital mathematical and hardware-in-loop simulation modelling of the avionics complexes in various conditions and operation modes contributes to the creation of a digital knowledge base, confirmed by field tests and operating experience, the use of which will reduce the duration of the process of creating complexes and reduce the cost of their creation and operation, cumulates industry knowledge for effective product upgrades and new developments.