TEMPERATURE MEASUREMENTS AT CRITICAL POINTS OF DUAL-MODE ELECTROHYDRAULIC ACTUATOR WITH COMBINED RATE CONTROL
Journal Title: Periódico Tchê Química - Year 2018, Vol 15, Issue 0
Abstract
Dual-mode electro-hydraulic actuator with combined rate control is designed to control the steering surfaces of the aircraft with an increased level of electrification of onboard systems (More Electric Aircraft). This actuator is able to operate from the onboard centralized hydraulic system, and from the electrical power system of the aircraft. The paper deals with the experimental determination of temperature at critical points of a dual mode electrohydraulic actuator with combined rate control when it is operating under load for different control modes. It is found that the actuator with combined rate control has a high energy efficiency, while its dynamic characteristics in the area of small amplitudes of the output link movement are close to the characteristics of actuators with servo valve speed control.
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