Study on unified hydraulic drive module with self-adaptation by power and kinematic parameters

Abstract

When improving technological drives of machines and equipment, an important role is given to unified self-adapting subsystems and modules under the conditions of stochastic loads due to environmental resistance. The objective of this work is to study the principles of performance commonality and self-adaptation of a patented process hydraulic drive module with a working body that carries out the feed movement and the primary motion. At that, the design options of the module are considered. The principle of module performance commonality is discovered in the presented methodology for its study and conservation. This considers the law, purpose, internal adaptive relationships and the self-adaptation algorithm, which are confirmed by a physical experiment. The process of self-adaptation is presented by a functional block diagram and adaptive relationship equations. The equalities take into account the features of different versions of the module. The results of comparative experimental studies have confirmed that the presence of internal adaptive communications in the module hydraulic system structure provides the principle of its self-adaptation and functional efficiency. A functionunified module can be used in the technological hydraulic systems of machines and equipment to stabilize power and to adapt the kinematic parameters of these movements under the conditions of non-stationarity of values of the power parameters of the environmental resistance.