Abstract
The main problems arising in the development of systems of actuators with remote control for promising aircraft are considered. The tasks of the fly-by-wire control system for actuators of the aircraft are determined. The directions of development of improving the mass-dimensional and dynamic characteristics, improving the design and layout of circuit solutions, control systems and improving operational characteristics, which provide an increase in the quality and safety of the aircraft operation, are given. A concept for the development of actuators for the control surfaces of a passenger aircraft has been formulated, including the main directions of scientific and experimental work carried out by technical design companies, scientific organizations and manufacturers of hydraulic units both in Russia and abroad. The improvement of weight and size characteristics is possible due to the energy perfection of actuators and ensuring synchronization of their operation, the use of autonomous actuator circuits, and pumping stations of variable capacity. The issues of improving the dynamic characteristics of actuators involve the problems of increasing speed, accuracy, stability, and controllability. When considering promising design and layout schemes of actuators, the features of the use of electrohydrostatic actuators, integrated layout, electrohydraulic control and the advantage of an autonomous electrohydraulic actuator are shown. The section devoted to control systems characterizes fly-by-wire system, the use of Load Sensing (LS)-regulation of volumetric hydraulic machines, issues of performance management and integration with an intelligent computer control system. When considering the performance characteristics of perspective actuators, the possibilities of reducing heat losses, problems of increasing reliability and resource, and features of bench testing are highlighted. New directions for the development of actuators are considered, such as the use of fiber-optic control wiring instead of electric, as well as the use of plasma technologies for control surfaces.
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