A340 FLIGHT CONTROL LAWS RUDDER BRAKES LANDING GEAR / NWS

航空

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P1 P2 P3
P2
S1 S2
P1 P1
S2 S1
P2
P3
P1
S1 P1
P3
P2
S2
S1
SFCC 2
[DC ESS
LAND REC]
SFCC 2
[DC2]
SFCC 1
[DC2]
SFCC 1
[DC ESS SHED
LAND REC]
ELEC
PUMP
[AC1-1,DC1]
SHUT OFF VLV
[DC2, DC ESS] [DC ESS]
ENG 2
REV
ENG 3
REV
ENG 1
REV
ENG 4
REV
NORM BRK
Gear & doors
selector valves
NOSE
WHEEL
STEERING
ALTN & PARK BRK
ELEVATOR ACTUATOR MODES
- active, electrically controlled
- damping, follows surface
- centering, hydraulically maintained in neutral
only if 4 jacks are unpowered (both sides)
AILERONS ACTUATOR MODES
- active, electrically controlled
- damping, follows surface
ROLL DEFLECTION LIMITS
- 25° for ailerons
- 35° for spoilers
MOT MOT
MOT1
[DC ESS
SHED]
MOT1
[DC ESS
SHED]
ART
FEEL
MOT2
[DC2]
MOT3
[DC2]
MOT2
[DC2, DC1]
TRIM WHEEL
ACTUATOR
BYDU
BACKUP YAW
DAMPER UNIT
ACTUATOR
S2
S1
S2
S1
RUDDER
TRIM
YAW DAMPER
RUDDER
PEDALS
MOT1
[DC ESS]
MOT2
[DC2] S2
S1
BSCU
CH1 [DC1]
CH2 [DC2] BSCU
LGCIU 1
[LAND REC]
LGCIU 2
[DC2]
RUDDER
LIMITER
NORMAL
=
PTLU
Pedal
Travel
Limit
Unit
NORMAL SERVO
VALVE
LANDING
SAFETY
VALVE
BOGIE
PITCH
TRIMMER
ALTERNATE
SERVO
VALVE
DUAL
VALVE
PARKING
BRAKE
VALVE
DUAL
SHUTTLE
VALVE
LP DISTRIBUTION LINE
NORMAL
SELECTOR
VALVE
AUTOMATIC
SELECTOR
SERVO
VALVE
G HYD from
nose gear doors
closing circuit
GRAVITY
EXTENSION
CUT OUT
VALVE
ACCU
ELEVATORS
AILERONS / SPOILERS
SLATS
FLAPS
LANDING GEAR / NWS
A343 FLIGHT CONTROL LAWS
HYDRAULICS
BRAKES
RUDDER
A343E (HB-JMH/I)
RUDDER A343C (HB-JMA-G/J-O)
STABILIZER
TRIM
NWS LIMITS
Steering hanwheels:
max 72° at 14kts, 0° at 100kts
Rudder pedals:
TO: max 6° at 100kts, 0° at 150kts
LDG: max 6° at 40kts, 0° at 100kts
Towing max 65°
Oversteer at 93°
LIMITATIONS
Normal pressure 3000 ± 200 psi
RAT pressure ~2500 psi
Fluid SKYDROL LD4
RESERVOIR PRESSURIZATION
is achived by HP bleed air from
engine 1 or x-duct bleed
RAT comes automatic out if all eng fail or
G+B LO LVL or (ENG 1+4 FAIL and AC BUS 1.1 + 2.4 FAIL)
GEAR LIMITS
retraction 250kts/.55
extension 250kts/.55
extended 250/M.55
gravity ext 200kts
max alt ext 21'000ft
gear dn flt 255/M.60
tire speed 204kts
ACCU
designed for 7 full brakes
application or at least 12
hrs prk brk
AUTOBRAKE
mode delay decel
LO 1s 1.8m/s2
MED 0s 3m/s2
MAX max pressure
DECEL light illuminates if
80% of rate in LO or MED
and if 2.65m/s2 decel in
MAX mode
!!! NOT FOR OPERATIONAL USE !!! A340 ©ierre-Michel Gasser , 26.3.2009
LIMITS
85% of
deflection
limited to 29°
RUDER LIMITS
35° < 150kts
Max deflection 31.6°
4° > 350kts
ELEVATOR DEFLECTION LIMITS
- 30° nose up
- 15° nose down
STABILIZER LIMITS
14° nose up
2° nose down
P3
S1
P1
P2
S2
P3
P3
S1 S1
P1
GND SPLR and SPD BRK
S2
P2 WTB P1 P2
S1 S2 S2 P3
6 5 4 3 2 1
Maneuver Load Allevation
Roll Control
WTB
SFCC1
SFCC2
WTB
SFCC2
SFCC1
SFCC1
SFCC2
WTB
SFCC1
SFCC2
SLATS / FLAPS
ECAM Slats Flaps (ailerons) VFE
1 20° 0° (0°) 255kts
1+F 20° 17° ( 10° ) 215kts
2 RELIEF 24° 17° ( 1 0°) 205kts
2 24° 22° (10°) 196kts
3 24° 26° (10°) 186kts
FULL
24° 32° (10°) 180kts
Max altitude with Flaps/Slats extended is 20’000ft
Slats ALPHA LOCK if α > 8.5° or IAS < 148kts
T/O with conf 1+F, auto flaps retract at 200kts
ELEC
PUMP
[AC1-2,DC2]
HAND
PUMP
ENG3
PUMP
RESERVOIR RESERVOIR
RAT
ACCU CARGO
DOORS
ENG2
PUMP
RESERVOIR
ACCU
ELEC
PUMP
[AC2-3,DC1]
ENG4
PUMP
ENG1
PUMP
EMER
GEN
ART
FEEL
MOT1
MOT2
GRAVITY
EXTENSION
SYS 1 [HOT 1]
SYS 2 [HOT 2]
( IAS<280kts or
MLG on GND )
and
Gear Lever Down
[DC ESS]
ELEC
GEN
ELEC
GEN
ELEC
GEN
ELEC
GEN
PITCH
GND
FLT
FLARE
ROLL PROTECTIONS
Direct deflection Direct deflection
Roll rate
Load factor +2.5g / -1g clean
Load factor +2g / 0g not clean
= Pitch 30°up / 15°down
= Bank 67° / 33° stick neutral
Side slip blue if eng failure
High α, Vα prot, Vα floor, Vα max
= High speed VMO+4, bank 0° with stick neutral
Low energy warning Flaps 2,3 or FULL 100ft - 2000ft
Direct deflection
50ft pitch down order
Load factor demand
Auto pitch Trim if less
than 33° bank
ALTN 1
same as Normal
Same as Normal except:
X no Pitch & Low energy prot
High α: LOST if VS1g computation failure
Low speed, nose down demand 5-10kts > Stall warning
High speed, light nose up demand, symbol disappears
Roll direct ALTN 2
Spoiler 2,3 & 6 u/s
Yaw alternate
Same as Altn 1 except:
X no Bank prot
no Low speed prot if 2 ADR failed
no High speedif 3 ADR failed
DIRECT
MECHANICAL BACK-UP
Roll direct
Yaw alternate
No protection except Overspeed & Stall
RUDDER ONLY
Yaw by BYDU
A343E with BCM
RA<100ft
RA>50ft
BRAKE TEMPERATURE
- T/O max 300°C
- tyre deflates at ~800°C
Maintenance action required if:
- (TEMP difference on same gear > 150°C)
and (1 BRK > 600°C or < 60°C)
- average diff TEMP L/R > 200°C
- a fuse plug has melt
- Brake temp > 800°C
x
x
PRIM 1
[DC ESS, HOT]
SEC 1
[DC ESS, HOT]
PRIM 2
[DC 2, DC 1]
SEC 2
[DC 2, DC 1]
FCDC 1
[DC ESS]
FCDC 2
[DC 2]
PRIM 3
[DC 2, DC 1]
MOT1
[DC ESS
SHED]
MOT2
[DC2] S2
S1
RUDDER TRIM
PFTU
(Pedal Feel and
Trim Unit)
+
BCM
Backup
Control
Module
ACTUATOR
ACTUATOR
ACTUATOR
CTL [DC1] CTL [DC1] CTL [DC2] CTL [DC2]
[DC2,
DC ESS]
[DC ESS]
AUTO CTL
[DC ESS]
MAN CTL
[HOT]
A343
same as Normal
same as Normal
Direct control
Manual pitch trim only
F/CTL ALTN LAW (PROT LOST)
F/CTL ALTN LAW (PROT LOST)
F/CTL DIRECT LAW (PROT LOST)
F/CTL L + R ELEV FAULT
USE MAN PITCH TRIM
MAN PITCH TRIM ONLY
ELECTRIC PUMPS
Flow is ~18% of eng pump, used to retract
surfaces but not to replace the eng pumps.
G ELEC PUMP runs 25’ if ENG 1 (4) FAIL
and GEAR selected up and speed>100kts
or on GND with ENG 1 & 4 stopped to
provide braking and nose wheel streering
Y ELEC PUMP runs if ENG 3 FAIL and
FLAPS not 0° and speed>100kts

hjzcky000

不知道是什么，下来看看那

bocome

A340 FLIGHT CONTROL LAWS RUDDER BRAKES LANDING GEAR / NWS

songsimple

谢谢分享 拿走学习 谢谢楼主

erics8482

谢谢了！学习！

tonyblairer

非常好，感谢分享