Matches 1 - 50 out of 243 1 2 3 4 5 >
Match Document Document Title
7584027 Aircraft navigation aid method and corresponding device  
The invention relates to an aircraft navigation aid method. It comprises steps of computing a feeler line ground path that the aircraft would follow if a turn at the maximum rate applicable to the...
7571878 Method and a calculating unit for calculation of a recovery flight path  
A method for calculating a flight path avoiding a collision with the ground when an aircraft dives towards the ground. The method includes receiving signals including information of a dive angle of...
7571045 Control system for gas-turbine engine  
In a gas-turbine engine control system having a first control channel inputting the outputs of sensors to calculate and output a first command value indicative of a quantity of fuel to be supplied...
7568655 Vertical takeoff and landing aircraft  
A vertical takeoff and landing aircraft according to the invention includes multiple thrust producing devices that produce thrusts applied in the substantially vertically upward direction; a target...
7539561 Autonomous control system apparatus and program for a small, unmanned helicopter  
An objective of the invention, focusing on these issues involved in the use of a small, hobby-type, unmanned helicopter, is to develop an autonomous control system comprising autonomous control...
7428450 Method and system for using a database and GPS position data to generate bearing data  
A method and system for providing a bearing from a vehicle to a transmitting station are described. The method includes accessing a database to obtain transmitter position information for the...
7406369 Ground effects compensated angle of attack command system and method  
A take off ground effects compensated angle of attack system includes a radio altimeter and/or timer, a pitch angle system and a flight control computer. The radio altimeter generates a signal...
7305286 System and method for gyro enhanced vertical flight information  
A flight instrument and associated method where vertical speed information is combined with gyro information to produce gyro enhanced vertical speed information that is displayed to a pilot. The...
7269486 Method and device for automatically determining a capture trajectory of a flight trajectory for an aircraft, as well as a procedure and system for automatic guidance of an aircraft  
The present invention provides a method and device for automatically determining a capture trajectory of a flight trajectory for an aircraft, as well as a procedure and system for automatic...
7263414 Method and device for controlling the attitude of an aircraft  
A method and device for controlling the attitude of an aircraft may employ spoilers that are arranged on the wings of the aircraft and whose respective angular positions can be adjusted by...
7089090 Flight control indicator determining the maximum slope for the flight control of an aircraft by terrain following  
The flight control indicator may include a set of information sources, a computation unit connected to said set of information sources, and a head-up display device. The computation unit...
7043345 System and method with adaptive angle-of-attack autopilot  
A control system includes a rate-damping loop that uses a calculated angle-of attack error to non-linearly scale a rate-feedback signal so that at lower angle-of attack (AOA) error values, an...
7031811 Fuel efficient airspeed trim  
A system and method are provided for precisely adjusting individual aircraft airspeed system in order to provide more accurate cruise Indicated Airspeed (IAS). The system includes a flight data...
6928341 Computational air data system for angle-of-attack and angle-of-sideslip  
A computational air data method and system for estimating angle-of-attack and angle-of-sideslip of an aircraft utilizing a detailed aerodynamic model of the aircraft, extended Kalman filters,...
6870490 Display of altitude and path capture trajectories  
Pilot error is reduced and auto pilot operation is improved by the addition of capture information to the information provided on a cockpit display. The capture information, such as, for example,...
6761336 Aircraft tailstrike avoidance system  
An aircraft flight control system is provided for reducing the likelihood of an aircraft tailstrike. The flight control system includes a pitch command provided to a pitch control device for...
6693559 System and method for flight mode annunciators  
The pilot's awareness of the aircraft's state is enhanced by supplementing the flight modes area (FMA) in the upper region of the primary flight display (PFD) with additional annunciators. The FMA...
6430479 Methods, apparatus and computer program products for determining the vertical speed of an aircraft  
A method, an apparatus and a computer program product are provided for accurately determining the vertical speed of an aircraft in a manner independent of signals provided by an air data computer,...
6366836 Method and apparatus for providing adaptive altitude preselector units  
A method of changing a preselect altitude value includes receiving an input from a pilot. In response, the preselect altitude value is changed by a first amount from a current preselect altitude...
6325333 Aircraft pitch-axis stability and command augmentation system  
A bias correction system for use in a neutrally-stable aircraft having a control column and a pitch control system is provided. The position of the control column is generally represented by a...
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...
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...
6168117 Flight control system for airplane  
A flight control system according to the present invention includes a vertical acceleration control device for calculating a pitch axis steering angle command to make a difference between a...
6111526 Vehicle course steering aid device  
A device for assisting the piloting of a vehicle by instruments. Various indications are displayed on an aircraft head-up view finder including a horizontal line graduated in terms of heading, a...
6092007 Aircraft course correction for wind and fuzzy logic course intercept profile based upon accuracy and efficiency  
An aircraft autopilot system provides a wind correction angle which is added to the desired course to provide commanded heading, the wind correction angle being generated as a proportional and...
6073084 Process and device for verifying the consistency of the measurements from an angle-of-attack probe  
A process and a device for verifying the consistency of the measurements made by an angle-of-attack probe (2) mounted on an aircraft. The device (1) includes: first system (3) for computing a first...
6062513 Total energy based flight control system  
In a method of flight control in which a thrust command is computed based on the total aircraft energy error relative to flight path and speed control commands, and an elevator command is computed...
6038497 Aircraft turn guidance system  
An aircraft turn guidance system comprises a satellite navigation receiver connected to a turn path computer. Position, velocity and waypoint headings and distances are communicated from the...
5995880 Method and device for detecting vertical gusts of wind and application thereof to the pitch-attitude control of an aircraft  
An apparatus and method for detecting vertical gusts of wind on board an aircraft in cruising flight is disclosed. The method includes the steps of: calculating an absolute value (│α-θ│) of a...
5957412 Method and device for vertical guidance of an aircraft  
The present invention relates to a method and a device for guiding an aircraft (A) according to a prescribed vertical flight path (T). According to the invention: the vertical distance he...
5935177 Pilot-induced oscillation detection and compensation apparatus and method  
The apparatus of this invention includes a pilot-induced oscillation (PIO) detector, a PIO compensator and a pilot input modifier. The PIO detector is coupled to receive aircraft state signal...
5884870 Device for maintaining the speed of an aircraft within a particular speed range  
An automatic device for maintaining an aircraft at an authorized speed compatible with the technical capabilities of the aircraft includes: a system for comparing the effective speed of the...
5826834 Self adaptive limiter for automatic control of approach and landing  
A self adaptive limiter for use in aircraft control systems during approach and landing is disclosed. Estimated flight path angle is continuously computed during the glidepath tracking phase until...
5803408 Autopilot/flight director stall protection system  
In an aircraft under autopilot control, a stall protection system overrides established autopilot parameters in response to a monitored angle of attack for the aircraft exceeding a trigger angle of...
5765777 STOL/VTOL free wing aircraft with variable pitch propulsion means  
A VTOL/STOL free wing aircraft includes a free wing having wings on opposite sides of a fuselage connected to one another respectively for free rotation about a spanwise access. Improved control...
5746398 Force-gradient cyclic stick system for a helicopter  
A cyclic stick system for a helicopter includes sensors for measuring at least one parameter representative of the current flight status of the helicopter. In response to the at least one...
5715162 Correlative filter for a synchrophaser  
A synchrophaser for a multi-engine, propeller-driven aircraft including a filter that automatically compensates for misalignment of blade position sensor tabs through derivation and application of...
5695156 Aircraft vertical position control system  
Aircraft input signals of selected altitude (h s ), selected vertical speed (h s ), current altitude (h), current vertical speed (h), current pitch attitude (θ), current normal acceleration (N z )...
5617316 Maintaining attitude error constant in Euler singularity protection  
A model-following aircraft control system in which a roll rate command in Euler coordinates is integrated to provide a bank angle command, which has actual bank angle subtracted therefrom to...
5553812 Inertial velocity command system  
A velocity command system is provided with a velocity stabilization mode wherein aircraft flight path referenced velocities are determined with respect to an inertial frame of reference, the flight...
5527002 Electrical flight control system for an airplane, with attitude protection on takeoff  
According to the invention, attenuator means (8) are provided, making it possible to limit the rate of rotation of the airplane on takeoff, so as to avoid the tail of the airplane striking the...
5493293 Method and apparatus for reducing false wind shear alerts  
A wind shear detection and alert system, compensated for the calibrated airspeed of the aircraft to minimize nuisance wind shear alerts. The wind shear detection and alert system (10) determines a...
5386954 Aircraft flight process when maintaining the speed by action on the elevator  
Process for flying an aircraft in the "elevator speed maintenance mode" during altitude changes, in which for acquiring and/or maintaining a nominal speed it is supplied to the flight computer at...
5367460 Method of signalling insufficient maneuverability of an aircraft and device implementing such a method  
Method for signalling insufficient maneuverability of an aircraft according to which: in a preparatory phase: with the aid of a plurality of N flight configurations, the weighting coefficients...
5365446 System for integrated pitch and thrust control of any aircraft  
A system for integrated pitch and thrust control of an aircraft. The system includes a calculation device which receives the first to sixth electrical signals, together with the tenth electrical...
5361065 Windshear guidance system  
A windshear guidance system for guiding an aircraft during a microburst windshear is provided. This system includes a time comparison subassembly, an airspeed comparison subassembly and a pitch...
5331559 Apparatus for preventing propeller overshoot  
To prevent propeller overshoot, a propeller governor control generates a signal which modifies a speed command issued to a propeller governor. The signal causes the propeller governor to change...
5225829 Independent low airspeed alert  
A low airspeed alerting system for alerting the pilot of an aircraft of insufficient airspeed during a landing monitors various readily available signals representative of flight parameters of an...
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...
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...
Matches 1 - 50 out of 243 1 2 3 4 5 >