Konotop D. Information technology of complex technical objects common model creation and support

Thesis for a candidate of technical sciences degree in specialty 05.13.06 – information technology. – National Technical University of Ukraine «Kyiv Polytechnic Institute named Igor Sikorskiy», MES of Ukraine, Kyiv, 2019. Information technology of complex technical objects (CTO) common model creation and support has been studied and developed with the aim of CTO creation terms cutting and reduction of it prices in the proper quality denotation for providing links between the stages of building models of CTO at different stages of CTO creation and transferring data between the components of information technology CALS and PLM solutions. Information technology of modelling of complex technical objects are analyzed. The method of knowledge-oriented creation of CTO is created. The modification of method of knowledge-oriented creation for managing parametric information in the creation of models to solve problems tracking the identity of the source data at different stages of building a model of CTO is provided for the establishment of the relationship stages of building models CTO. The modification of method of knowledge-oriented creation of CTO for data exchange between the components of information technology CALS and PLM solutions is designed. This is the process of data converting at different computer-aided (CAx) systems which is received after analyze of data transferring of models from different CAx and their disadvantages were defined. Database that contains an option to specify models of CTO on the example of the aircraft is developed, which stores parameters that describe the characteristics, layout, economic parameters of the aircraft, etc. The knowledge base for constructing models of CTO is developed, ontological scheme of development of models of complex technical projects is presented. The program modules system for knowledge-based building of models of CTO is designed that creating a fast and qualitative terms to make changes in the design and production of CTO. The program modules environment through customized software modules capable of action at all times maintain a duplex connection with a database and allows: to request and receive information about the components, rules, conditions and limitations of the knowledge base. After a review of the computing environment and the world experience leading manufacturers of CTO, decided to use the system CAx: NX and CATIA under the overall control system PLM TeamCenter, the database is in MySQL using the database management system DbVisualizer, to develop the knowledge base used by the program Protege 4.3 and DbVisualizer, Visual Basic environment is used for communication of CATIA applications with database, and Java environment is used for program modules development and communications of software of NX with database. The practical significance of the results is that the thesis proposed the approach and means brought to the engineering level and used in the development of components of CALS technology of complex technical object: the process of models building, which increases the efficiency of CTO design is improved. The example of problem solving the communication of models and parameters from database is applied on the example of building a model cargo door of the aircraft at "Antonov" company is designed by the author. The main provisions and conclusions of the thesis used in the educational process of the National Technical University of Ukraine "Kyiv Polytechnic Institute named Igor Sikorsky" and the Admiral Makarov National University of Shipbuilding. The efficiency of implementation of information technology of complex technical objects common model creation based on knowledge-oriented technologies, solving design challenges is researched. Implementation of method of knowledge-oriented creation of CTO is a significant improvement technology of basic control structure and components of CALS technology to problems of building models of complex technical objects, providing the shortening design through control parameters of model. For example, while all stages of building models of aircraft cargo hatch system NX: existing methods in accordance with schedule time is 7280 man-hours and developed by modeling of complex technical objects based on knowledge-oriented technologies - 5660, which gives approximately 22% savings in material costs. And it is only by considering aspects of the modification of method of knowledge-oriented creation for managing parametric information in the creation of models. If the company uses other CAx systems, then the modification of method of knowledge-oriented creation of CTO for data exchange between the components of information technology CALS and PLM solutions provides additional efficiency by a method that is only one knowledge base and the base data - common to all systems used CAx.