A320飞行操纵非正常操作A

航空

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航空

FLIGHT CONTROLS MENU Abnormal operation (A) 1/39
FLIGHT CONTROLS MENU
Abnormal operation (A) 2/39
Let’s first see the redundancy aspects of the flight
controls.
FLIGHT CONTROLS MENU Abnormal operation (A) 3/39
In case of a computer failure, the second computer of the
same type takes over (ELAC, SEC and FAC cases).
Note that SEC 3 is only used for spoiler control and does
not participate (as SEC 1 and 2) in the flight control system
reconfiguration.
FAC 1
FAC 2
ELAC 1
ELAC 2
SEC 1
SEC 2
SEC 3
FLIGHT CONTROLS MENU Abnormal operation (A) 4/39
Each primary flight control surface is supplied by 2
(ailerons, elevators and stabilizer) or 3 (rudder) different
hydraulic sources.
Each control surface has an independent actuator for each
hydraulic source.
FLIGHT CONTROLS MENU Abnormal operation (A) 5/39
Each actuator is controlled by a different computer.
One actuator for each surface is always in active mode.
The other stays in damping mode and is monitored by its
associated computer.
ELAC 1 ELAC 2
AAccttiivveemmooddee
DDaammppiinnggmmooddee
FLIGHT CONTROLS MENU Abnormal operation (A) 6/39
We will demonstrate these points in the following ELAC 1
failure.
Assume, you are the PNF. You are in flight and everything
is normal.
AAccttiivveemmooddee
DDaammppiinnggmmooddee
Clliicckk oonn tthhee ffoorrwaarrdd aarrrroow ttoo aaccttiivvaattee tthhee ffaaiilluurree..
ELAC 1 ELAC 2
FLIGHT CONTROLS MENU Abnormal operation (A) 7/39
FLIGHT CONTROLS MENU Abnormal operation (A) 8/39
You hear the single chime and see
the Master Caution light.
No, to extinguish the Master Caution
light, push the Master Caution pb sw.
FLIGHT CONTROLS MENU Abnormal operation (A) 9/39
You hear the single chime and see
the Master Caution light.
No, to extinguish the Master Caution
light, push the Master Caution pb sw.
FLIGHT CONTROLS MENU Abnormal operation (A) 10/39
FLIGHT CONTROLS MENU
Abnormal operation (A) 11/39
Onn tthhee E//WD,, rreeaadd tthhee ttiittllee ooff tthhee ffaaiilluurree..
FLIGHT CONTROLS MENU Abnormal operation (A) 12/39
Observe ELAC indications on the ECAM F/CTL
page.
The “1” and the box of ELAC 1 are in amber.
The “2” of ELAC
2 remains in green
indicating that
ELAC 2 has taken
over automatically.
FLIGHT CONTROLS MENU Abnormal operation (A) 13/39
Indications for aileron and
elevator actuators, controlled
by ELAC 1, are partially boxed
in amber.
This means that these
actuators have automatically
switched to damping mode.
FLIGHT CONTROLS MENU Abnormal operation (A) 14/39
Actuators controlled by ELAC
2 have automatically switched
from damping to active mode to
control the ailerons and
elevators.
They are not boxed on the
ECAM F/CTL page.
FLIGHT CONTROLS MENU Abnormal operation (A) 15/39
ELAC 1 FAULT light is illuminated on the FLT
CTL panel.
FLIGHT CONTROLS MENU Abnormal operation (A) 16/39
We can see that the first action is to reset the
faulty computer.
The PF will ask you to perform the ECAM
actions.
PeerrffoorrmECAMaaccttiioonn..
FLIGHT CONTROLS MENU Abnormal operation (A) 17/39
Noo,, sswiittcchh ELLAC 11 OFFFF..
We can see that the first action is to reset the
faulty computer.
The PF will ask you to perform the ECAM
actions.
FLIGHT CONTROLS MENU Abnormal operation (A) 18/39
Noo,, sswiittcchh ELLAC 11 OFFFF..
We can see that the first action is to reset the
faulty computer.
The PF will ask you to perform the ECAM
actions.
FLIGHT CONTROLS MENU Abnormal operation (A) 19/39
ELLAC 11 iiss nnoow OFFFF..
Coonnttiinnuuee ECAMaaccttiioonn..
FLIGHT CONTROLS MENU Abnormal operation (A) 20/39
ELLAC 11 iiss nnoow OFFFF..
Noo,, sswiittcchh ELLAC 11 ON..
FLIGHT CONTROLS MENU Abnormal operation (A) 21/39
ELLAC 11 iiss nnoow OFFFF..
Noo,, sswiittcchh ELLAC 11 ON..
FLIGHT CONTROLS MENU Abnormal operation (A) 22/39
ELAC 1 has not been successfully reset.
The procedure requires you to switch ELAC 1
OFF.
Coonnttiinnuuee ECAMaaccttiioonn..
FLIGHT CONTROLS MENU Abnormal operation (A) 23/39
ELAC 1 has not been successfully reset.
The procedure requires you to switch ELAC 1
OFF.
Noo,, sswiittcchh ELLAC 11 OFFFF..
FLIGHT CONTROLS MENU Abnormal operation (A) 24/39
ELAC 1 has not been successfully reset.
The procedure requires you to switch ELAC 1
OFF.
Noo,, sswiittcchh ELLAC 11 OFFFF..
FLIGHT CONTROLS MENU
Abnormal operation (A) 25/39
Afftteerr rreevviieew aanndd ccoonnffiirrmaattiioonn ffrroomtthhee PFF......
Clleeaarr FF//CTTLL..
FLIGHT CONTROLS MENU Abnormal operation (A) 26/39
Afftteerr rreevviieew aanndd ccoonnffiirrmaattiioonn ffrroomtthhee PFF......
Noo,, pprreessss eeiitthheerr CLLR kkeeyy..
FLIGHT CONTROLS MENU Abnormal operation (A) 27/39
Afftteerr rreevviieew aanndd ccoonnffiirrmaattiioonn ffrroomtthhee PFF......
Noo,, pprreessss eeiitthheerr CLLR kkeeyy..
FLIGHT CONTROLS MENU Abnormal operation (A) 28/39
The STATUS page is displayed for review.
A green message advises us that we have a
degradation in approach capability.
Note that there are loss of neither control
surfaces nor maneuvering ability.
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You can see, in the INOP SYS column, that
ELAC 1 and CAT 3 DUAL are now inoperative.
After review and confirmation from the PF...
Clleeaarr STTATTUS..
FLIGHT CONTROLS MENU Abnormal operation (A) 30/39
You can see, in the INOP SYS column, that
ELAC 1 and CAT 3 DUAL are now inoperative.
After review and confirmation from the PF...
Noo,, pprreessss tthhee STTS kkeeyy oorr eeiitthheerr CLLR kkeeyy..
FLIGHT CONTROLS MENU Abnormal operation (A) 31/39
You can see, in the INOP SYS column, that
ELAC 1 and CAT 3 DUAL are now inoperative.
After review and confirmation from the PF...
Noo,, pprreessss tthhee STTS kkeeyy oorr eeiitthheerr CLLR kkeeyy..
FLIGHT CONTROLS MENU Abnormal operation (A) 32/39
ECAMaaccttiioonnss ccoompplleetteedd..
FLIGHT CONTROLS MENU Abnormal operation (A) 33/39
We will now review the other redundancy
features and protections we did not have the
opportunity to see when performing the previous
procedure.
FLIGHT CONTROLS MENU
Abnormal operation (A) 34/39
ELAC 1
ELAC 2 SEC 2
In case of complete failure of ELAC computers, SEC 2
computer takes over the control of the elevators and the THS.
The roll function is still available via the spoilers. The
ailerons are in damping mode.
FLIGHT CONTROLS MENU
Abnormal operation (A) 35/39
SEC 2
ELAC 1
ELAC 2
SEC 1
In the very low probability of SEC 2 failure, it will be
replaced by SEC 1.
FLIGHT CONTROLS MENU Abnormal operation (A) 36/39
Another case of failure is an elevator fault.
In this case, the deflection of the remaining one is limited
to avoid excessive asymmetrical loads on the tail or rear
fuselage and to reduce the asymmetry effects .
The remaining surface is sufficient to resume normal
flight.
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In case of total loss of normal control or hydraulic supply,
the elevators are automatically set to and maintained in the
neutral position.
FLIGHT CONTROLS MENU Abnormal operation (A) 38/39
Provided the appropriate
Hydraulic systems are available:
- Mechanical control of the THS
is always available via the pitch
trim wheels.
- For the rudder, mechanical
control via the rudder pedals is
always available even in case of
complete failure of FAC computers.
This is called the mechanical
backup.
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SUMMARY:
• General rules:
If a computer fails, the second computer of the same type takes over.
Each primary flight control surface is supplied by at least 2 different hydraulic sources. An
independent actuator is associated with each hydraulic source for each surface.
Each actuator is controlled by a different computer. For a surface, one actuator is always in active
mode while the other(s) are in damping mode.
• Ailerons/Elevators/THS/Rudder:
If both ELAC fail, SEC 2 controls the elevators and the THS. The ailerons are in damping mode. If
SEC 2 fails, it will be replaced by SEC 1.
In case of one elevator failure, the deflection of the remaining one is limited to avoid excessive
loads on the tail and rear fuselage.
Mechanical backup is always available using the rudder pedals and pitch trim wheels, provided the
appropriate hydraulic systems are available.
NEXT
MMoodduullee ccoommpplleetteedd
FLIGHT CONTROLS MENU Abnormal operation (A) 40/39
LLIISSTTOOFFSSUUBBJJEECCTTSS
EXIT
AUDIO GLOSSARY FCOM
RETURN
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CCOOMMPPUUTTEERRFFAAIILLUURREESS

bocome

非正常操作

tissle

好资料，学习了。。。

twn353091

感謝分享, tks.

gordon525

谢谢辛苦了 收藏一下

wsinglejoke

666666666666666666666666666

diguo

恩。好东西。好好学习一下。