FUTURE TRENDS IN AEROSPACE ACTUATING DEVICES

Abstract eng:
Development of aviation systems is leading to replacement of traditional centralized hydraulic system by EHA/EMA actuators, which could provide power delivery on demand, and thus remarkably reduce the power consumption of the aircraft. The fundamental principles of EHA/EMA actuators are given and their implementation into distributed control system is proposed. An essential part of any actuator is a BLDC motor, which considerably influences reliability and performance of the actuator. Thus many efforts during the development have been spent on electronics and control algorithms design and verification. EHA/EMA actuator basic, the architecture of a smart distributes actuation control system and modeling of the BLDC motor that drives the actuator are described in this paper.

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