Abstract
The features of the application of autonomous electrohydraulic drives for power engineering are considered. The classification of linear actuators is given, the analysis of design and layout solutions of developers of autonomous steering actuators for general engineering is performed. The analysis of disadvantages is carried out and the directions of improvement of autonomous drives are presented. A scheme of an autonomous electrohydraulic drive with an automatic power control system based on the use of information from pressure, flow and displacement sensors is proposed. A mathematical model of an autonomous electrohydraulic drive with a power regulator has been developed, which makes it possible to estimate a random change in the load on the executive hydraulic motor and optimize the pump supply in accordance with the required task. The obtained research results confirm that an autonomous hydraulic drive with a power regulator is a promising technical solution that contributes to the development of high-precision power drives and controllability for general mechanical engineering.
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