Stepanova O. Improving operational characteristics of technological equipment by electrohydraulic drives perfection

Object: working processes in electrohydraulic drives of technological equipment; objective: improving operational characteristics of technological equipment by electrohydraulic drives perfection, which reduces energy consumption and increases equipment productivity; methods: system approach to determination of static and dynamic characteristics for electrohydraulic drives of technological equipment, apparatus of mathematical modeling, experimental research methods; novelty: mathematical model of automatic electrohydraulic drive with throttle regulation is improved by using of technical data for basic devices, mathematical model of rotary motion electrohydraulic drive with volume regulation taking into account dynamic properties of electrohydraulic amplifier was further developed, methodological foundations for correction of automatic electrohydraulic drive with throttle regulation have been further developed based on application in circuit of electromechanical transducer the real proportional-differentiating link, for the first time, the automatic control system by rotary motion electrohydraulic is proposed, taking into account stochastic disturbing influences and noise of observation; results of the study: technical solutions which are protected by the patents of Ukraine that improve operational characteristics of technological equipment with electrohydraulic drive is developed, the use of proposed automatic control system allows to improve dynamic characteristics of drives, to expand functionality and to increase productivity of technological equipment, the application of real proportional-differentiating link in circuit of electromechanical transducer of automatic electrohydraulic drive with throttle regulation allows to effectively correct dynamic characteristics of drive, the engineering method of design calculation of automatic rotary motion electrohydraulic drive with volume regulation has been developed; the branch: mechanical engineering.