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SEC3 controls the N~ 2 spoilers, SECl the N~ 3 and 4 spoilers, and SEC2 the N~ 5
spoilers.
If a SEC fails, the spoilers it controls are automatically retracted.
ACTUATION
Ailerons
Each aileron has two electrically controlled hydraulic servojacks
One of these servojacks per aileron operates at a time.
Each servojack has two control modes :
Active : Jack position is controlled electrically
Damping : Jack follows surface movement.
CCM ALL
┏━━━━━━━━━━━━━━━━┳━━━━━━━━━━━━━━┳━━━━━━━━━━━┓
┃ ┃ ┃1.27.10 P 10 ┃
┃ ┃ ┣━━━━━┳━━━━━┫
┃I -~ A318 ┃I FLIGHTDESCRIPTION ┃SEQ 001 1 ┃I REV 30 ┃
┃ .,,,.8, ,, ~L,~ A319 ┃ ┃ ┃ ┃
┃ Lli,~ A320 ┃ ┃ ┃ ┃
┃ A~7-~'M" A321 ┃ ┃ ┃ ┃
┃ FLIGHT CREW OPERATING MANUAL ┃ ┃ ┃ ┃
┗━━━━━━━━━━━━━━━━┻━━━━━━━━━━━━━━┻━━━━━┻━━━━━┛
The system automatically selects damping mode, if both ELACs fail orin the event of blue
and green hydraulic Iow pressure.
Spoilers
A servojack positions each spoiler. Each servojack receives hydraulic power from either the
green, yellow, or blue hydraulic system, controlled by the SEC1, 2 or 3 (as shown on page
5).
The system automatically retracts the spoilers to their zero position, if it detects a fault or
loses electrical control.
If the system loses hydraulic pressure, the spoiler retains the deflection it had at the time
of the loss, or a lesser deflection if aerodynamic forces push it down.
When a spoiler surface on one wing fails, the symmetric one on the other wing is inhibited.
CCM ALL
┏━━━━━━━━━━━━━━━━┳━━━━━━━━┳━━━━━━━━━━━┓
┃I ~-~ A318 ┃FLIGHT CONTROLS ┃1.27.10 P 11 ┃
┃ aw aw ,, ~L,~ A319 ┃ ┃ ┃
┃ ┃ ┣━━━━━┳━━━━━┫
┃ Lli,~ A320 ┃ ┃SEQ 405 I ┃I REV 27 ┃
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本文链接地址：
AIRBUS A320 Flight Crew Operating Manual3(78)
