航线CRJ200FlightControls

1、1FLIGHT CONTROLSCRJ2CRJPRIMARY FLIGHT CONTROLSElevatorAileronsSpoileronsRudder3CRJSECONDARY FLIGHT CONTROLSSlatsFlaps Spoilers Trimable StabilizerGround Spoilers Flight Spoilers 4CRJ 200 FLIGHT CONTRLS5ELEVATOR / STABILIZER / RUDDERClean wing no devices6GROUND LIFT DUMPLANDING FLAPS7Primary Flight C

2、ontrols Mechanically controlled.hydraulically actuated.Except Spoilerons.electrically controlled.hydraulically actuated Hydraulic actuation through Power Control Units (PCUs) Gust dampening through PCUs8AILERONAILERONAILERONRUDDERELEVATOR9Critical for takeoff and landingTriple Redundancy#1/Left Hydr

3、aulicsleft side#2/Right Hydraulicsright side#3 System backs them up10MONITORED211LIFT DUMP DEPLOYED12Roll DisconnectMechanismROLL CONTROLonFlight SpoilerSpoileronFlutterDamper13ROLL DISCONNECTHANDLE14Roll Disconnect and SELECT Left and right controls separated. Capt controls left aileron and right s

4、poileron. FO controls right aileron and left spoileron. ROLL SELECT pushed on unjammed side gives control over both Spoilerons.Capt.FO.ROLL SELECTCPLTROLLROLL SELECTFLTROLL15Left and right controls separated.FO controls right aileron and left spoileronCapt controls left aileron and right spoileron.1

5、6TENSION REGULATOR/BREAKOUT DEVICEAUTOMATIC SPOILERON SHIFT TO GOOD AILERON17AILERON TRIMELECTRICALLY BIASESAILERON ARTIFICIAL FEEL AND CENTERING MECHANISMYOKE DOES NOT MOVERudder trim does not displace pedals.1819CAPTAIN & FIRST OFFICERS PEDALS MOVE TOGETHER20Yaw dampers controlled by Flight Co

6、ntrol Computers.At least one Yaw Damper must beEngaged for Autopilot operationYD 1YD 22122LEFT AND RIGHT ELEVATORSare Completely separate.Captain works LEFT First Officer works RIGHT Pitch Disconnect Handle23LEFT AND RIGHT ELEVATORSare Completely separate.Captain works LEFT FO works RIGHT 24Used to

7、disconnect the control column in the event one of the elevators become jammed25PITCH TRIMDUAL ELECTRIC JACKSCREWS261. PILOT TRIM2. AUTOPILOT TRIM3. MACH TRIMCompensates for Mach Tuck above .4 MMax 250 kts w/o Mach Trim27CH1 CH2INOPSTAB TRIMMACH TRIMENGAGE/DISENGAGEENGAGEAT LEAST ONE TRIM CHANNELREQU

8、IRED3 TRIM RATES.5 DEG/SECMANUAL or AP w/Flaps Moving.1 DEG/SEC AP w/o Flaps Moving.03-.06Mach Trim28FLAPSDOUBLE-SLOTTED FOWLERINDBOARD/OUTBOARD290088203020304545FLAPS30Flaps Electric Flaps have 5 positions 0 degrees 8 degrees 20 degrees 30 degrees 45 degrees TAKEOFFLANDINGNote: Gates at 8 Deg and 2

9、0 Deg313233FLAP OPERATION 2 Electric Motors drive single flap gearbox Single motor failure causes flaps to move at half speed Vfe: 8/20 Deg230 KIAS 30 Deg185 KIAS 45 Deg170 KIAS Flaps down displayed on ED1 (similar to Gear display)34GEAR & FLAP INDICATIONS ON EICAS35FLIGHT SPOILERS Single panel

10、on each wing Electrically controlled Hydraulically actuated Provide speed control in the air and Lift Dump on the ground Extends from 0 to 50 degrees. 8 Detents IF above 79% N1 with spoilers deployed a caution message will appear. 36CRJSPOILERSGround Spoilers Flight Spoilers 37Ground Lift Dump Spoil

11、erons, Flight Spoilers, 4 Ground Spoilers Deploy to destroy lift and create drag during landings and aborted takeoffs Normally automatic upon touch down. Retract upon advancing the throttles38CRJGround Lift DumpingGround Spoilers Flight Spoilers ARMING SWITCH = ARMEDTHRUST LEVERS = IDLEWEIGHT ON WHE

12、ELS = ON GROUNDWHEEL SPEED = SPUN UPRADIO ALTIMETER = 5 FT.All Deploy 39Ground Lift Dumping ARMING SWITCH AUTO N1 above 79%MANUALAUTODISARM40Flt and Gnd SpoilersL and R Thrust Levers Idle, and(2 of 3)1. L or R WOW2. RA below 5 ft3. Wheel speed above16 ktsSpoileronsL and R Thrust Levers Idle, L and R

13、 WOW, and (1 of 2)1. RA below 5 ft2. Wheel speed above 16 kts BOTTOM LINE: IDLE POWERBOTH WHEELS ON THE GROUND41 L or R Thrust Lever below 79% N1 Wheel speed below 45 kts for 10 seconds WOW greater than 40 secondsBOTTOM LINE: SLOWED DOWN, LOW POWER If go-around is attempted, either Thrust Lever adva

14、nced above idle auto retracts GLD ALSO: MANUAL DISARM with GLD Switch42 STICK SHAKER. The entire control wheel column will shake when approaching a stall STICK PUSHER. The control wheel will push itself forward to prevent the stall.STALL PROTECTION43STALLSTALLSTALLPTCTPUSHERONOFFSTALLPTCTPUSHERONOFF

15、44STALL PROTECTION COMPUTER GETS ITS INFORMATION THRU -AOA“G” FORCESFLAPSWOWMACHPILOT INTERFACE45STALL PROTECTION FEATURESContinuous IgnitionStick Shaker ActivatedAP DisengagedStall WarblerSTALL LightsPusher Activated46Flight Control Summary Aircraft control still possible withControl JamElectrical failureFailure of any two hydraulic systemsOne or both engin