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7568662 |
Emergency flight control system
A method and system for preventing the control of an aircraft from the cockpit. In an exemplary embodiment, the system could be triggered externally. For example, an air traffic control (ATC)...
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7546975 |
Tandem rotor wing rotational position control system
A rotational position-adjusting system ( 6 ) for a vertical takeoff and landing aircraft ( 4 ). The system ( 6 ) includes multiple detectors ( 60 ) that generate rotor signals. The rotor signals...
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7461819 |
Method for using a steerable tall fin to reduce the vibration generated on the fuselage of a helicopter
A method and a device reduces the vibration generated on the structure 17 of a helicopter 2 by the flow of air through the main rotor 5 and by the flow of air along the fuselage 3 . The...
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7451949 |
Method for using a tiltable stabilizer to reduce vibration generated on the fuselage of a helicopter
A method and a device allow for reducing the vibration generated on the structure 17 of a helicopter 2 by the air flow through the main rotor 5 and by the air flow along the fuselage 3. The...
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7449858 |
Variable-Structure diagnostics approach achieving optimized low-frequency data sampling for EMA motoring subsystem
The present invention provides a diagnostics methodology and embedded electronic system that allows optimized low-frequency data sampling for EMA motoring subsystems in an operating vehicle. Each...
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7441724 |
System and method for controlling a roll rate of a torsionally-disconnected freewing aircraft
An aircraft includes a fuselage, and first and second freewings. Each of the first and second freewings is separately mounted to the fuselage and independently freely pivotable about respective...
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7431243 |
Guidance and control for an autonomous soaring UAV
The present invention provides a practical method for UAVs to take advantage of thermals in a manner similar to piloted aircrafts and soaring birds. In general, the invention is a method for a UAV...
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7410132 |
Jam tolerant electromechanical actuation systems and methods of operation
In a vehicle, having a fixed supporting structure and a load movable relative thereto, a jam tolerant actuating system, a method for controlling this system including: Locating a physical...
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7370836 |
Missile defense system and methods for evading heat seeking missiles
A method for aiding a helicopter pilot to avoid a heat seeking missile includes the step of detecting a threat from a missile. The method also includes the step of reducing heat emanating from the...
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7367531 |
Systems and methods for evading heat seeking missles
A method and system in an airborne aircraft to evade a heat seeking missile includes the steps of detecting the launch or “lock on” of a heat seeking missile and reducing the radiation from the...
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7367530 |
Aerospace vehicle yaw generating systems and associated methods
Aerospace vehicle yaw generating systems and associated methods are disclosed herein. One aspect of the invention is directed toward a yaw generating system that can include an aerospace vehicle...
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7343228 |
Transient cancellation technique for spacecraft solar wing stepping
A method and apparatus for controlling a plurality of solar panels of a spacecraft is described. The method comprises the steps of providing a first step command to a first solar panel, and...
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H002206 |
Tactile side-slip corrective yaw control for aircraft
Side-slip of an aircraft during flight is detected through a pair of pressure sensors fixedly mounted on opposite lateral sides of the aircraft fuselage. Pressure measurement signals at said...
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7285932 |
Method and apparatus for loss of control inhibitor systems
Active and adaptive systems and methods to prevent loss of control incidents by providing tactile feedback to a vehicle operator are disclosed. According to the present invention, an operator gives...
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7258307 |
Device and method for damping at least one of a rigid body mode and elastic mode of an aircraft
A device for damping at least one rigid body mode and/or at least one elastic mode of an aircraft, especially for blast load reduction and increase of stability and comfort, in an airplane having...
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7195200 |
Unmanned helicopter, takeoff method of unmanned helicopter, and landing method of unmanned helicopter
An unmanned helicopter includes an altitude control device for giving a command of a collective pitch blade angle based on an altitude change rate command, etc., and performing altitude control of...
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7191985 |
Aircraft multi-axis modal suppression system
Vibrations due to excitation of the natural modes of an aircraft's body are suppressed by an active multi-axis modal suppression system. Dedicated sensors are positioned in the aircraft at optimal...
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7185857 |
Thrust vector actuation control system and method
A thrust vector actuation control system and method is configured to allow self-testing of the entire actuation system and/or its individual system components. The control system also provides...
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7185844 |
Methods and systems for guiding an object to a target using an improved guidance law
Systems and methods for guiding an object may comprise improved guidance laws that improve the effectiveness of the PRONAV guidance law. The improved guidance laws may utilize the same parameters...
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7165747 |
Method and device for guiding an aircraft for aiding parachute drops
The device ( 1 ) for guiding an aircraft at least over an intermediate trajectory between a first flight trajectory for a low-altitude flight and a second flight trajectory which starts at an...
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7159825 |
Process and device for the optimization of the deflection of the spoiler flaps of an aircraft in flight
A process and device for optimization of deflection of spoiler flaps of an aircraft in flight may, in real time, compute an incidence potential available to be consumed by the spoiler flaps without...
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7098619 |
Actuator and movement linkage system
An actuator and movement linkage system for moving a load, such as a control surface of aircraft, in relation to a carrying structure includes an electric motor system, an actuator device...
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7090172 |
Process for countering the vibrations induced in an aircraft by the windmilling of a fan and system of electric flight controls implementing this process
A system and process for countering the vibrations induced in an aircraft by the windmilling of an engine fan may produce a first electric flight control command for a servocontrol to use in...
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7081729 |
Variable-structure diagnostics approach achieving optimized low-frequency data sampling for EMA motoring subsystem
The present invention provides a diagnostics methodology and embedded electronic system that allows optimized low-frequency data sampling for EMA motoring subsystems in an operating vehicle. Each...
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6986483 |
Inertial reference system for an aircraft
An inertial reference system for an aircraft includes two accelerometers and a gyrometer. One accelerometer is located at a front portion of the aircraft, the other is located at a rear portion of...
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6986486 |
Aircraft control system
This invention control system having: means ( 12 ) for detecting an irregularity in aircraft handling during flight; means ( 18 ) for causing temporarily a rigid body excitation in at least a...
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6976656 |
Method for controlling the flight of an aircraft
A method for controlling an aircraft includes the steps of receiving acceleration data related to an acceleration of a front portion of the aircraft, and receiving pitch, roll, and/or yaw rate data...
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6935596 |
Process and system for piloting an aircraft
The piloting system ( 1 ) for generating orders for piloting the aircraft according to at least one piloting axis, for example the pitch axis, the roll axis, the yaw axis or the engine thrust...
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6923405 |
Enhanced rudder control system
A reliably redundant PCU for an aircraft. The PCU includes an override mechanism coupled to the aircraft's control path and a first control member coupled to the override mechanism whereby the...
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6889941 |
Aircraft formation/refueling guidance system
An aircraft formation/refueling guidance system guides a follower aircraft relative to a leader aircraft. A datalink provides a position hold and a bias command from the leader aircraft to the...
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6880784 |
Automatic takeoff thrust management system
An automatic takeoff thrust management system can be used in an aircraft with at least two engines. The management system comprises an aircraft status sensor or set of sensors capable of detecting...
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6772979 |
Method and device for reducing the vibratory motions of the fuselage of an aircraft
Method and device for reducing the vibratory motions of the fuselage of an aircraft. According to the invention, accelerometers ( 9, 10 ) are mounted on engines (M 1 , M 4 ) of the aircraft ( 1 )...
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6772055 |
System, a vehicle and a method concerning the behavior of a vehicle
The invention concerns a system for generating basis for decisions concerning the behavior of a vehicle and/or of a driver of a vehicle. The system comprises a supervising unit ( 10 ) which...
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6766981 |
Control system for alleviating a gust load on an aircraft wing
Disposed on each wing of an aircraft adjacent the wing tip is at least one deflector mechanism for twisting the wings as part of a control system for alleviating a gust load on the wing. The wing...
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6702234 |
Fault tolerant attitude control system for zero momentum spacecraft
A fault tolerant attitude control system for a zero momentum spacecraft. A zero momentum attitude control system is operable to control spacecraft attitude utilizing data received from an earth...
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6669139 |
Aircraft with electric flight controls provided with a fuselage able to deform and vibrate
According to the invention, in this aircraft, the elements of the inertial reference system are separated according to whether they are intended for navigation (CI) or flight control ( 5, 6, 7 )....
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6659397 |
Control system for ornithopter
An ornithopter with two set of opposed wings maintains powered flight by flapping each set of wings. To dampen vibration, each set of wings move 180 degrees out of phase. To further dampen...
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6622972 |
Method and system for in-flight fault monitoring of flight control actuators
A method and system for detecting in-flight fault characteristics of flight control actuators is provided. Commands are sequentially sent to sets of actuators during flight in a manner that is...
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6549829 |
Skipping filter for inertially augmented landing system
The present method and apparatus consists of storing past values of estimated IRU error and using these past values to update the coasting filter when switching from GPS to inertial mode. Through...
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6527225 |
Method for performing an automated category a takeoff
A method for automating a takeoff maneuver for an aircraft, comprising the steps of generating a takeoff profile comprising a takeoff point, a flight path, and a takeoff decision point (TDP),...
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6460810 |
Semiautonomous flight director
A device for programming industry standard autopilots by unskilled pilots. The effect of the invention is such that when the invention is employed in a flying body comprising an industry standard...
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6446911 |
Method for controlling actuators on a vehicle
The present invention is a method that allows controllable devices attached to a vehicle's surface (such as, for example, controllable actuators on an aircraft) to be controlled by a processor or...
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6390417 |
Drag control system for flying machine, process for estimating drag of flying machine, boundary layer control system, and boundary layer control process
The thrust T of an airplane is estimated by a thrust estimating device, and the motion state (the speed, the angular speed, the attitude angle and the elevation angle) of the airplane is detected...
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6390412 |
Method and device for assisting the pilot in controlling the turboshaft power and/or rotor speed of heat-propelled helicopters
Helicopter, device, and method of controlling helicopter using a computer, at least one motorized mechanical stop, and a collective pitch lever for controlling flight. The device includes a...
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6367741 |
Flight control system for a rotary-wing aircraft, particularly for a helicopter
Flight control system for a rotary-wing aircraft, particularly for a helicopter. The flight control system comprises at least one flight control (LCo, MCy, Pal), first commands being...
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6334344 |
Method for real time reconfiguration of trajectories for an aircraft
A process for real-time reconfiguring of trajectories or airborne vehicles in order to adapt a mission to suit a new situation that has arisen through the occurrence of a disrupting event. The...
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6332105 |
Neural network based automatic limit prediction and avoidance system and method
A method for performance envelope boundary cueing for a vehicle control system comprises the steps of formulating a prediction system for a neural network and training the neural network to predict...
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6273371 |
Method for interfacing a pilot with the aerodynamic state of the surfaces of an aircraft and body interface to carry out this method
Method, apparatus and sensors for directly interfacing a pilot (1) with the aerodynamic state of the surfaces of an aircraft, in particular allowing the direct sensorization of the conditions of...
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6273370 |
Method and system for estimation and correction of angle-of-attack and sideslip angle from acceleration measurements
A method and system is disclosed for using inertial sensors in an Inertial Navigation System (INS) to obtain analytic estimates of angle-of-attack ( α) and sideslip angle ( α). The inertial...
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6260796 |
Multi-thrustered hover craft
A feedback control system for a multi-thrusted hovercraft is disclosed. In a hover craft having a plurality of vertically oriented thruster that are controlled by a system that relies on operator...
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