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6169496 |
Banked flight stall warning device and method
A flight warning system comprises an outside temperature probe for sensing outside temperature, a gyroscope for sensing aircraft bank angle, a static transducer for sensing static pressure, and a...
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6073065 |
Method for detecting a bank angle experienced by a moving vehicle
A method for detecting a bank angle experienced by a motor vehicle (10) is disclosed. Three estimates of the vehicle bank angle, γ a , γω and γ ν are determined from separate data and are...
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5222691 |
Automatic turn coordination trim control for rotary wing aircraft
A helicopter flight control system includes an automatic turn coordination system which provides a coordinating yaw command signal to the tail rotor of the helicopter. The system stores on command...
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5213283 |
Low speed turn coordination for rotary wing aircraft
A helicopter flight control system (21) includes a model following control system architecture which automatically provides a coordinating yaw command signal to the helicopter tail rotor to...
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5170969 |
Aircraft rudder command system
An aircraft rudder command system for allowing a pilot to directly input a sideslip command for yaw-axis control through use of the rudder pedals is disclosed. The aircraft rudder command system...
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5096146 |
Apparatus and methods for controlling commanded operation of an aircraft within a predetermined flight parameter limit
A controller for generating a bank angle limit for an aircraft during takeoff with an nonoperational engine. The controller operates so that there are minimum and maximum bank angle limits. Between...
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5095746 |
Aircraft banking angle indicator
An aircraft banking angle indicator which includes a banking angle sensing arrangement for generating an actual banking angle signal, a maximum banking angle input device for manually entering a...
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5050086 |
Aircraft lateral-directional control system
An aircraft's horizontal flight path and sideslip angle is controlled in a system having a roll control loop and a yaw control loop. An incremental aileron position command signal is generated in...
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5023796 |
Flight control apparatus with predictive heading/track hold command
A flight path control apparatus for controlling an aircraft to execute a capture maneuver of a predetermined heading or track and provide a roll correction signal for controlling the path of said...
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4964598 |
Apparatus and method for controlling aircraft, particularly remotely-controlled aircraft
A remotely-controlled aircraft comprises a sensor for sensing the actual rate-of-turn of the aircraft and for generating a rate-of-turn signal proportional thereto, which signal, inherently also...
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4553210 |
Complemented roll attitude flight control system
A system and technique is disclosed which provides a complemented roll attitude signal for use in the control system of an aircraft. The complemented roll attitude is produced by combining a yaw...
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4490668 |
Microwave radiator utilizing solar energy
A space-oriented apparatus for converting solar energy to microwave energy. The microwave energy is used to generate an RF beam for propagation to the earth. The apparatus is formed into an...
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4371939 |
Roll attitude inhibit of aircraft coordinated turn disengagement
The engagement (83) of a flight director (82) that provides automatic steering by roll angle of an aircraft which includes an automatic yaw trim system (FIG. 2) that will automatically coordinate...
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4330829 |
Helicopter flight stability control induced oscillation suppression
Oscillations in helicopter attitude sustained by the aerodynamic response of the helicopter to an automatic flight control system which is responsive to an attitude sensor, are eliminated by band...
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4312039 |
Transient free synchronization system
An aircraft automatic yaw stabilization system with heading hold and manual command override capability provides circuit means responsive to the manual commands for suppressing heading transients...
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4127245 |
Helicopter pitch rate feedback bias for pitch axis maneuvering stability and load feel
The longitudinal cyclic pitch channel of a helicopter has a negative pitch rate feedback bias added thereto when flying at higher speeds, thereby to stabilize the pitch axis against aft-load...
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4098215 |
Steering control system for hydrofoils
An improved steering control system is provided for improving the handling qualities of hydrofoil craft during takeoff. In steering control systems for hydrofoils, the craft is banked by operation...
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4094479 |
Side slip angle command SCAS for aircraft
A yaw axis stability and command augmentation system (SCAS) particularly applicable to STOL type aircraft includes three primary control terms proportional to side slip angle, side slip angle rate...
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4046341 |
Aircraft angle-of-attack and sideslip estimator
The instant invention relates to a system for estimating aircraft angle of attack α and sideslip angle β from measured quantities such as angular body rate and linear acceleration. The estimated...
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3958522 |
Automatic control system for hydrofoil craft
A control system for hydrofoil craft is one in which control surfaces are moved automatically in response to signals derived from the motion of the craft to stabilize and control the craft. In such...
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3819135 |
SYSTEM FOR AUGMENTING AIRCRAFT ATTITUDE STABILITY USING VERTICAL VANE TYPE SENSORS
A system is disclosed herein for augmenting the inherent attitude stability of an aircraft utilizing two vertical weathercock vane type sensors, one mounted near each wing tip of the aircraft. The...
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3809867 |
SYNTHESIS OF BANK AND PITCH SIGNALS UTILIZING RATE AND ACCELERATION INPUT PARAMETERS
A signal development means for synthesizing bank and pitch attitude signals from rate gyro and accelerometer inputs.
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3807666 |
CONTROL WHEEL STEERING SYSTEM FOR AIRCRAFT AUTOMATIC PILOTS
Aircraft control wheel steering (cws) apparatus having a pair of force sensors coupled to the pilot control wheel for providing redundant command signals to respective independent cws control...
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3787009 |
DIRECT SIDE FORCE CONTROL DEVICE
An airplane using the rudder and speed brakes located at the aileron position, or otherwise located at the wing tips and capable of differential operation, to provide a pure side force acting to...
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3777242 |
TURN COORDINATION CONTROL WITH DEAD SPACE AND LIMITED WASHOUT
A turn coordination feed which, unlike conventional linear control operates on a combined zero-linear coordination basis. Small aileron position input signals are precluded from the coordination...
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3752420 |
AUGMENTED WASHOUT CIRCUIT FOR USE IN AUTOMATIC PILOTS
The invention is used in automatic pilots for navigable craft and comprises a washout circuit responsive to the signals from a body mounted pitch rate sensor and to the pitch rate signals from a...
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3750985 |
SIDE FORCE CONTROL DEVICES
An airplane embodying devices functioning to provide an essentially true side force acting to alter the horizontal flight path of an airplane without sideslip and to avoid roll movements normally...
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3733039 |
FEEL AUGMENTATION CONTROL SYSTEM FOR HELICOPTERS
The handling capability of helicopters at high speed is enhanced by applying a force to the cyclic stick which is related to the resultant load factor induced on the helicopter by movement of the...
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3730461 |
STABILITY AUGMENTATION SYSTEM FOR LIGHT AIRCRAFT PROVIDING PILOT ASSIST AND TURN
A small aircraft with a conventional stability augmentation system for automatically maintaining a wings level constant heading attitude is provided with a switch on the control wheel which is...
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3711042 |
AIRCRAFT CONTROL SYSTEM
An aircraft control system, particularly suited to rotary wing aircraft, in which longitudinal acceleration and course rate commands are derived from a manual control stick to control translational...
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3620488 |
AIRCRAFT COMMAND MIXING DEVICE
A system is disclosed for producing aircraft steering command signals for application to the controls of a vertical takeoff and landing (VTOL) or a vertical/short takeoff and landing (V/STOL)...
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3618879 |
PITCH/ROLL TO YAW FLIGHT COORDINATOR
A pilot maneuvering aid wherein a yaw control signal is made proportional to the difference between C and the sum A+B where A is the product of pitch rate and the sine of the roll angle, B is the...
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3592417 |
AERIAL RECOVERY SYSTEM FOR AUTOPILOT/FLIGHT DIRECTOR SYSTEM
A flight control system whereby an automatic pilot, or human pilot through a flight director, controls the flight of an aircraft for accomplishing an aerial recovery mission by initially matching...
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3565370 |
AUTOMATIC FLIGHT CONTROL SYSTEM
An aircraft flight control arrangement includes means for actuating a control surface in accordance with a signal representative of the combination of an attitude error signal and a control surface...
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3550884 |
AUTOPILOT
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3528633 |
SYSTEM FOR CONTROLLING AND STABILIZING AN AIRCRAFT IN YAW
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3521839 |
CONTROL APPARATUS FOR AIRCRAFT
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3488427 |
CONTROL SYSTEM FOR AIRCRAFT NAVIGATION DISPLAY AND AUTOPILOT
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3425648 |
AUTOPILOT MAGNETIC HEADING ERROR CORRECTION SYSTEM
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3386689 |
Aircraft autopilot with control wheel steering
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3373958 |
Aircraft turn entry
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3373959 |
Control apparatus
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3362661 |
Autothrottle
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3330503 |
Re-entry guidance system
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3301510 |
Method and apparatus for gage simulation in automatic control systems
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3296873 |
Automatic pilot
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3286143 |
Autopilot for maintaining attitude and heading including rate integration and memorymeans
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3275268 |
Automatic control for aircraft
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3252675 |
Monitoring apparatus for aircraft control system
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3222013 |
Automatic pilots for aircraft
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