To autonomous control of technical state of machine tools

Introduction. At present, developers and researchers focus on the automated maintenance of the machine performance, especially under the conditions of the production computerization. The opportunities for assessing technical state of the equipment, fault diagnostics and monitoring are greatly expanded. This allows preventing failures and minimizing the impact of disadvantages on the performance. For this purpose, some autonomous control system is developed. Its conceptual problems are discussed in this paper. Materials and Methods. The autonomous control system of the machine technical state is considered. It is shown that signals from the sensors and to the actuating mechanisms arrive through the distributed control nodes of the technical state of the machine devices. Therewith, proper communication is provided by e-MindMachine. Generalized functions for managing the technical state of metal cutting machines include the decision making and command execution involving built-in facilities. The specificities in the construction of the machine maintenance system are described and explained. As a result, the following statement is established: when analyzing processes in the machine tools and in the solution synthesis for controlling the machine maintenance (MM), methods of artificial intelligence and intellectual control (including the theory of fuzzy sets and fuzzy logic) are adequate. Research Results. This approach accumulates the achievements presented in the known maintenance systems of various machines, and it raises the service factor up to the independently operating systems of the automated autonomous control of the machine technical state. The system structure, the generalized control functions of which include the decision making and command execution using the built-in means, is considered. It is shown how methods of the theory of fuzzy sets and fuzzy logic are used in the solution synthesis for control. The incremental development and implementation of the autonomous system depending on the condition and capability of an enterprise are recommended. Discussion and Conclusions. The issues on introducing the autonomous MM control system are considered. Appropriate methods for determining the sequencing of operations and evaluation of the performance are offered. The monitoring subsystem provides, firstly, the implementation of the traditional diagnostics under monitoring the machine state on-line. Secondly, it is supposed to perform the following functions: evaluation of the diagnostic results, and forecasting and decision making - in order to control the actions preventing damage to the device (or the machine as a whole).