The Remote Electronic Unit (REU) is a mono-block device. They are distributed electronics that are located close to or are attached on the actuator to provide local control of the actuator. The REU receives commands and processes the incoming and outgoing signals for the functions necessary to control the actuators.

It is a part of Digital Voice Control System. The remote electronic unit receives the commands from the Audio Control Units (ACU) and correspondingly influences and processes all the incoming as well as outgoing audio signals. It performs the logical functions which is necessary for keying the transceivers and for aircraft intercommunication.

It also provides generation of ten different aural alert signals which can be activated through discrete control lines. Remote electronics unit products are used in the most advanced fly-by-wire systems which provides precise closed-loop actuation control. It also acts as a critical interfaces between dozens of aircraft systems on modern aircraft platforms.

A remote electronic unit controls power subsystems, such as thermal control, satellite attitude along with orbit control subsystems in a spacecraft. Such units manages the aircraft’s flight control surface actuators and then interfaces with the integrated flight control electronics.

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The ability to support operation outside of a controlled environment makes placement of the REUs on spacecraft far more flexible than existing solutions. REU provides a high integrity command as well as control system interfacing to various feedback position sensors. A remote electronic unit in a cockpit locker controls the engines and bow thruster for stern-to docking.

Increase in the number of aircraft deliveries as well as satellite constellations, increased usage of remote electronic units for efficient flights control as well as miniaturization of remote electronic units in the aerospace industry are some of the primary factors driving the growth of the global remote electronic unit market.

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Rise in air passenger traffic has led to an increase in the number of aircraft deliveries which has consequently propelled the demand for remote electronic units. One of the important limitation of remote electronic unit is that huge costs are incurred in the development advanced remote electronic units.

The global remote electronic unit market is segmented on the basis of platform, application, end-use and region. On the basis of platform, the remote electronic unit market is segmented into spacecraft and aircraft. The growth of aircraft segment is increasing due to the use of remote electronic units for efficient flights control in aircraft.