Editing Aircraft flight control system (section)

====Power-by-wire====
In most current systems the power is provided to the control actuators by high-pressure hydraulic systems. In fly-by-wire systems the valves, which control these systems, are activated by electrical signals. In power-by-wire systems, electrical actuators are used in favour of hydraulic pistons. The power is carried to the actuators by electrical cables. These are lighter than hydraulic pipes, easier to install and maintain, and more reliable. Elements of the [[F-35]] flight control system are power-by-wire.<ref>{{Cite web |url=https://www.aviationtoday.com/2001/05/01/power-by-wire/ |title=Power-By-Wire - Avionics<!-- Bot generated title --> |access-date=2018-08-09 |archive-url=https://web.archive.org/web/20170627215836/http://www.aviationtoday.com/2001/05/01/power-by-wire/ |archive-date=2017-06-27 |url-status=live |date=May 2001 }}</ref><ref>{{cite journal|title=Review on signal-by-wire and power-by-wire actuation for more electric aircraft|journal=Chinese Journal of Aeronautics|volume=30|issue=3|pages=857–870|doi=10.1016/j.cja.2017.03.013|year=2017|last1=Maré|first1=Jean-Charles|last2=Fu|first2=Jian|doi-access=free|bibcode=2017ChJAn..30..857M }}</ref><ref>{{Cite journal |title=C-141 and C-130 power-by-wire flight control systems - IEEE Conference Publication<!-- Bot generated title --> |pages=535–539 vol.2 |doi=10.1109/NAECON.1991.165802 |date=May 1991 |s2cid=109026952 }}</ref> The actuators in such an electro-hydrostatic actuation (EHA) system are self-contained hydraulic devices, small closed-circuit hydraulic systems. The overall aim is towards more- or all-electric aircraft and an early example of the approach was the [[Avro Vulcan]]. Serious consideration was given to using the approach on the Airbus A380.<ref>{{Cite web |url=https://www.aviationtoday.com/2001/10/01/a380-more-electric-aircraft/ |title=A380: 'More Electric' Aircraft - Avionics<!-- Bot generated title --> |access-date=2018-08-12 |archive-url=https://web.archive.org/web/20180812212940/https://www.aviationtoday.com/2001/10/01/a380-more-electric-aircraft/ |archive-date=2018-08-12 |url-status=live |date=October 2001 }}</ref>