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7559510 |
Elevator variable feel unit
An elevator variable feel unit for aircraft pilot control. The variable feel unit has a single cam and a roller unit. The cam attaches by a spline to the input shaft and input crank of the feel...
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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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7108232 |
Helicopter force-feel and stability augmentation system with parallel servo-actuator
A force-feel system is implemented by mechanically coupling a servo-actuator to and in parallel with a flight control system. The servo-actuator consists of an electric motor, a gearing device, and...
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7098811 |
Method and apparatus for tactile cueing of aircraft controls
A method and apparatus for tactile cueing of aircraft controls ( 21 ) is disclosed. The apparatus of the present invention warns pilots of approaching limits on certain aircraft performance...
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6711476 |
Method and computer program product for estimating at least one state of a dynamic system
A method and computer program product are provided for estimating the states of a dynamic system based upon a combination of first and second feedback signals. The first feedback signal is based...
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6695264 |
Power lever tactile cueing system
The present invention is a power lever tactile cueing system for providing tactile alerts to pilots as operational limits of an aircraft are approached. The cueing system generates a tactile cue...
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6679458 |
Split detent tactile cueing vehicle control system
A split detent tactile cueing vehicle control system ( 10 ) for a vehicle ( 11 ) is provided including an active control inceptor system ( 12 ). The active system ( 12 ) includes a control inceptor...
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6644600 |
Method and system for providing manipulation restraining forces for a stick controller on an aircraft
A system and method for providing variable motion-resisting loads for a side stick controller on an aircraft where the primary resistive load is provided by a mechanical spring mechanism which is...
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6459228 |
Dual input servo coupled control sticks
The present invention provides an active control system for coupling the movements of a pair of independently operated manual input devices such as dual flight control sticks operated by a pilot...
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6373465 |
Magnetically-controllable, semi-active haptic interface system and apparatus
A haptic interface system or force feedback system having a magnetically-controllable device that provides resistance forces opposing movement. The magnetically-controllable device is adapted for...
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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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6292720 |
Trimming process for adapting a simulation system to an automatically controlled reference system
Trimming process for adapting a first control loop of a controllable, automatically controlled reference system, which is or represents an aircraft, to a second control loop which simulates the...
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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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6254037 |
Variable gradient control stick force feel adjustment system
A variable gradient control stick force feel adjustment system for use in aircraft is disclosed. A gradient actuator is operationally coupled to at least one spring cartridge assembly in order to...
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6128554 |
Device for actuating a controlled member for an aircraft, particularly such as a fly-by-wire helicopter
A device for actuating a controlled member of an aircraft includes an intentional control member for actuation by the pilot, a computer for piloting on the basis of the action of the pilot on the...
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6000662 |
Flying aid device for a fly-by-wire aircraft
A flying aid device for a fly-by-wire aircraft which has at least two mechanically independent control columns (M1, M2). The device (1) includes: a system (SO) for detecting multiple control...
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5911390 |
Bobweight assembly for establishing a force feedback on a manually movable control element
A pilot-operated lever assembly for adjusting control surfaces of an aircraft including a bobweight for creating inertia forces that simulate a force feedback due to aerodynamic forces on the...
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5908177 |
Flight control system
Herein disclosed is a flight control system comprising a control member, a control surface controllable to assume different angle positions within a control angle range, a transmission linkage...
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5900710 |
System for coupling control columns
The present invention relates to a system for coupling at least two control columns (2A, 2B) of a control device (DC) of a machine, especially an aircraft. The coupling system includes for each of...
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5878981 |
Flight console for radio controlled aircraft
An control mechanism apparatus is shown which electromechanically actuates a control board of a radio transmitter. The radio transmitter transmits radio signals to a receiver on board a model...
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5868359 |
Autopilot automatic disconnect system for fly-by-wire aircraft
A system for backdriving the flight deck controllers of a fly-by-wire aircraft that is under autopilot control to provide a pilot with tactile and visual feedback of autopilot activity. The system,...
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5863012 |
Cyclic stick system giving a helicopter speed stability
A cyclic stick system for a helicopter or other aircraft includes memories for holding minimum and maximum speed values, a comparator for comparing an air speed V1 with the minimum and maximum...
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5853152 |
Collective detent system for vertical takeoff flight operations
A collective detent system is incorporated in combination with the flight control system of a helicopter to enhance vertical takeoff flight operations of the helicopter. One embodiment of the...
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5797564 |
System for backdrive of flight deck controls during autopilot operation
A system for backdriving the flight deck controllers of a fly-by-wire aircraft that is under autopilot control to provide a pilot with tactile and visual feedback of autopilot activity. The system,...
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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...
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5738310 |
Rudder bar system with force gradient for a helicopter
A rudder bar system for a helicopter controlled in yaw by acting on the tail rotor or an equivalent device has a capability, as a function of the parameters representative of the current flight...
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5735490 |
Control device with a control stick, particularly a servo sidestick for aircraft
A control device with a control stick, wherein the control stick is moved by an irreversible actuator controlled by a computer, and the computer controls the position of the actuator and thus the...
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5719566 |
Method and apparatus for detecting dormant actuator failure
The actuation system of the present invention is based upon sensing relatively small delta errors over relative short strokes as opposed to absolute travel error. An actuation system in accordance...
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5694014 |
Active hand controller redundancy and architecture
A hand controller system which provides the proper feel of the hand controller during aircraft operation. In both non-redundant and redundant embodiments, torque, and position measurements are made...
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5414620 |
Synthetic friction algorithm for a hand control element
Synthetic friction force algorithms provide simulated static friction forces as well as dynamic friction forces. On either side of a hand-control element reference position a small static friction...
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5347204 |
Position dependent rate dampening in any active hand controller
A control system for an active hand controller, for example, uses a control stick connected to and controlled by a motor. Electronics are provided to control the motor to eliminate oscillations due...
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5213282 |
Maneuver feel system for a rotary wing aircraft
A helicopter fly-by-wire flight control system (21) includes a model following control system architecture which provides the pilot with maneuvering feel. Maneuvering feel is generated by varying...
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5209661 |
Motor control desired dynamic load of a simulating system and method
An apparatus and method for simulating a desired response in accordance with an external applied force. The apparatus includes a member which is responsive to the applied force, an actuator coupled...
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5156363 |
Helicopter collective stick of the displacement type occupying a minimum space envelope yet whose grip generates an arc of large radius
A helicopter collective control stick having a pilot grip positioned by a linkage assembly whose kinematics permits the control stick to occupy a small envelope and to have the pilot grip motion to...
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5125602 |
Tilting stick control device, especially for an aircraft, and system comprising two such devices
Device for the control of the elements of a machine having a stick (6,7) designed to be activated by one hand of an operator and mounted tilting around at least one axis (X--X) transverse to the...
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5076517 |
Programmable, linear collective control system for a helicopter
A helicopter programmable collective control system includes a motorized collective control stick 2 used in conjunction with a multi-axis control stick 30, with the multi-axis control stick 30 as...
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5062594 |
Flight control system with tactile feedback
A control system for an aircraft or other man-machine system wherein the usual visual feedback system is characterized and is optimally supplemented by a secondary feel oriented feedback...
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5002241 |
Tilting stick control device and a flight control system for aircraft comprising at least one such control device
Device for controlling elements of a machine, comprising a stick intended to be actuated by a single hand of an operator and mounted for tilting about at least one axis transversal to said stick,...
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4982918 |
Force sensitive aircraft throttle with feedback
A force control throttle suitable for military or civil aircraft which is stowable in a console when not required for use. Fore and aft forces applied to the throttle handle by the pilot are...
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4947070 |
Control apparatus
Control apparatus of the kind disclosed in UK patent specification Nos. 2,073,887 and 2,114,717, i.e. in which a movable operating member, arranged to control associated apparatus such as an...
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4907970 |
Sidestick-type thrust control simulator
A simulator handgrip is connected to the shaft of a slip clutch which offers resistance to handgrip displacement, thereby simulating the "feel" of an actual thrust control for aircraft. Linkages...
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4800721 |
Force feedback lever
A control lever is provided for effecting positional control of a work implement. An actuator means applies a force to the control lever in response to a sensed load being applied to the work...
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4795296 |
Hand-held robot end effector controller having movement and force control
A hand-held controller for a robot end effector having force and position control is disclosed. A single tactile area of the operator's hand, such as one finger, responds to two distinct feedback...
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4717098 |
Actuator for a g-limiter override
Spring-loaded linkage contained in a housing attached to the control stick of an aircraft. One member of the linkage is an arm having an end projecting from the housing and forming a hand grip...
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4713007 |
Aircraft controls simulator
An aircraft controls simulator, for use with a computer programmed for aircraft flight simulation, having a yoke, a throttle control and a rudder control. A cabinet has a shaft extending therefrom...
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4696445 |
Collective control system for a helicopter
Pilot workload is reduced in a helicopter having a force-type, multi-axis sidearm control stick by providing a displacement-type control stick for collective blade pitch control. Either stick may...
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4664346 |
Method and apparatus for stabilizing the steering force in an aircraft, especially a helicopter
The steering or control force for operating a steering column in an aircraft, especially in a rotary wing aircraft, is stabilized. The steering column influences through an articulated steering or...
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4608526 |
Electromechanical actuator for the tongs of a servomanipulator
Computer-augmented electromechanical system is provided for controlling the tongs of a servomanipulator. The mechanical tongs are motor-driven through the remote slave arm of the manipulator, and...
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4607202 |
Apparatus for automatically eliminating control force errors in aircraft, especially helicopters
Control force errors are automatically eliminated in aircraft, especially licopters. Such errors may occur because of disturbing forces that act on a control stick (1) for the elevator and/or rotor...
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4599070 |
Aircraft simulator and simulated control system therefor
Disclosed are apparatus and methods for simulating a control system such as an aircraft flight control system. Image generating and display apparatus for use in conjunction with the simulated...
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