
3.7.2 Aileron/Flaperon Actuator Configurations ................................................................................................... 62
3.7.3 Rudder Actuator Configuration ................................................................................................................... 62
3.7.4 Servo Loop Electronics and Redundancy Management ............................................................................ 62
3.8 Tornado Actuators ...................................................................................................................................... 62
3.8.1 Taileron Actuator Configuration .................................................................................................................. 66
3.8.2 Taileron Actuator Redundancy Management ............................................................................................. 66
3.8.3 Rudder Actuator Configuration ................................................................................................................... 71
3.8.4 Spoiler Actuator Configuration .................................................................................................................... 71
3.9 Space Shuttle Actuators ............................................................................................................................. 71
3.9.1 Thrust Vector Actuator Configurations ........................................................................................................ 74
3.9.2 TVC Servo Loop Redundancy Management .............................................................................................. 74
3.9.3 Orbitor Flight Surface Actuators Redundancy Concepts ............................................................................ 74
3.9.4 Orbitor Elevon Actuator Configuration ........................................................................................................ 74
3.9.5 Orbitor Rudder/Speed Brake Actuation System Configuration................................................................... 74
3.9.6 Orbitor Servo Loop Redundancy Management .......................................................................................... 74
3.10 LAVI Actuators ............................................................................................................................................ 81
3.10.1 Actuator Configuration ................................................................................................................................ 81
3.10.2 Architecture and Redundancy Management .............................................................................................. 81
3.10.3 Fail-Safe Mode ............................................................................................................................................ 81
3.10.4 Performance ................................................................................................................................................ 83
3.11 JAS-39 Actuators ........................................................................................................................................ 83
3.11.1 Canard Actuator Configuration ................................................................................................................... 83
3.11.2 Inboard Elevon Configuration ..................................................................................................................... 83
3.11.3 Rudder Configuration .................................................................................................................................. 83
3.11.4 Outboard Elevon Configuration ................................................................................................................... 83
3.11.5 Primary Actuator Servo Loop Electronics and Redundancy Management ................................................ 85
3.12 V-22 Flight Control Actuators ...................................................................................................................... 85
3.12.1 Swashplate Actuator Configuration ............................................................................................................ 85
3.12.2 Flaperon Actuator Configuration ................................................................................................................. 89
3.12.3 Elevator Actuator Configuration .................................................................................................................. 89
3.12.4 Rudder Actuator Configuration ................................................................................................................... 89
3.12.5 V-22 Conversion Actuator Configuration .................................................................................................... 91
3.13 Saab 2000 Actuators .................................................................................................................................. 91
3.13.1 Rudder Actuator .......................................................................................................................................... 91
3.13.2 Elevator Actuator ......................................................................................................................................... 91
3.14 IDF Actuators .............................................................................................................................................. 95
3.14.1 Primary Flight Control Actuator Configuration ............................................................................................ 95
3.14.2 Primary Actuator Servoloop Electronics and Redundancy Management ................................................... 95
3.14.3 Leading Edge Flap Actuation System ......................................................................................................... 95
3.15 B-2 Actuators .............................................................................................................................................. 97
3.15.1 Actuator Construction ................................................................................................................................. 97
3.15.2 Actuation System Interfaces ....................................................................................................................... 97
3.15.3 Actuator Control Loops ............................................................................................................................... 97
3.15.4 Actuator Redundancy Management ......................................................................................................... 101
3.16 C-17 Actuators .......................................................................................................................................... 101
3.16.1 Primary Flight Control Actuator Configuration .......................................................................................... 102
3.16.2 Primary Flight Control Actuator Redundancy Management ..................................................................... 103
3.16.3 Spoiler Actuator Configuration .................................................................................................................. 104
3.16.4 Spoiler Actuator Failure Management ...................................................................................................... 104
3.16.5 Flap Actuator Configuration ...................................................................................................................... 105
3.16.6 Flap Actuator Redundancy Management ................................................................................................. 105
3.16.7 Slat Actuation System Configuration ........................................................................................................ 105
3.16.8 Slat Actuation Redundancy Management ................................................................................................ 107
3.16.9 C-17 Pitch Trim Actuator Configuration .................................................................................................... 107
3.16.10 Pitch Trim Actuator Redundancy Management ........................................................................................ 107
3.17 X-31A Actuators ........................................................................................................................................ 109
3.17.1 Redundant X-31A Actuators ..................................................................................................................... 109
3.17.2 Simplex Actuators ..................................................................................................................................... 113
3.18 Boeing 777 Actuators ................................................................................................................................ 117
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