摘要:
Disclosed is a method and device for protecting an aircraft comprising at least one wing-mounted engine arranged on each of its wings against at least one of a low-energy situation and a high-energy situation during flight in which at least one engine is a failed engine. A control unit is triggered to activate a protection function, as a function of the number and position of failed engines. The control unit controls at least one non-failed engine, and the protection function is activated when activation conditions are met. The activation conditions indicate that the aircraft is either in the low-energy situation such that the total current power of the aircraft is less than a predetermined minimum power or that the aircraft is in the high-energy situation such that the total current power of the aircraft is greater than a predetermined maximum total power.
摘要:
According to the invention, an aircraft speed threshold is computed in order to calculate a total power to apply to aircraft engines. When conditions of activation are fulfilled, the current individual power of each aircraft engine in operation controlled by a protection function is gradually modified.
摘要:
A method and device optimize the vertical trajectory of an aircraft in flight along a predetermined approach trajectory. The method and device include the use of a calculator, which is structured to predict a predicted stabilization altitude at which the aircraft will reach a setpoint approach speed as a function of the current aircraft parameter values, a theoretical vertical trajectory, and predetermined models of aerodynamic efficiency of the aircraft. A comparator is structured to determine absolute value differences between the predicted stabilization altitude and the setpoint stabilization altitude and to compare the differences against a predetermined altitude threshold. A vertical trajectory determination unit is structured to determine an optimized vertical trajectory as a function of the current aircraft parameter values, auxiliary parameter values corresponding to a final approach axis, and the absolute value differences between the predicted stabilization altitude and the setpoint stabilization altitude.
摘要:
A method to assist in the landing of an airplane in its final flight phase, following a current approach path toward a runway, includes determining at a given flight point, a landing delay margin, called MRAmax, corresponding to an estimated delay during which the braking actions must be undertaken, after the wheels touch down, to enable the airplane to stop on the runway. A device includes equipment for acquiring parameters necessary to perform the method of assisting the landing of the airplane, a computer to determine the landing delay margin MRAmax from the parameters, and a display for presenting the information to alert the crew.
摘要:
A method of determining and utilizing a maximum stabilization height of a moving airplane includes: determining a nominal total height at any point of the nominal path of the airplane, determining a total height of the airplane, determining a nominal maximum total height that the airplane is able to reach from its current position corresponding to a nominal total height and according to an optimum total height variation law, determining the maximum stabilization height corresponding to the nominal maximum total height that the airplane is able to reach, and determining whether to continue or to interrupt a landing procedure during the final flight phase of the airplane based on the determined maximum stabilization height.
摘要:
Method and device for an optimal management of the energy of an aircraft.The device (1) includes means (5) for determining, in an iterative manner, according to a predicted energy state and according to a management strategy, optimal commands of means (S1,S2, S3, S4, S5, S6) for controlling the energy of the aircraft, which allow the aircraft to reach a given point of a trajectory in a given operational state.
摘要:
A landing assistance device and method for an aircraft according to the invention, based on the landing procedure rules attached to the runway, a lower threshold and an upper threshold of total energy acceptable for the aircraft are determined and the current total energy of the latter is compared with the thresholds.
摘要:
A landing assistance device and method for an aircraft. According to the invention, based on the landing procedure rules attached to the runway (2), a lower threshold and an upper threshold of total energy acceptable for the aircraft (1) are determined and the current total energy of the latter is compared with said thresholds.
摘要:
The invention relates to a method to assist in the landing of an airplane (1) in its final flight phase, following a current approach path (6) toward a runway (2), comprising the determination, at a given flight point, of a landing delay margin, called MRAmax, corresponding to an estimated delay during which the braking actions must be undertaken, after the wheels touch down, to enable the airplane (1) to stop on the runway (2).The invention also relates to a device (10) which comprises means (20) of acquiring parameters necessary to the method, computation means (30) which determine a landing delay margin MRAmax from the information received from said means (20) and means (40) of presenting the information to alert the crew, said landing delay margin MRAmax being established according to the method.
摘要:
A method is described for optimized energy management of an aircraft upon a flight along a trajectory. The method allows the aircraft to join a given point of the trajectory in a given energy state, with a given position of the slats and flaps, and with a given position of the landing gear. The method includes determining current parameter values of the aircraft. The method also includes determining optimized command orders based on the current parameter values by performing a sequence of operations in an iterative way. The method further includes applying the optimized command orders to an automatic slats and flaps command device and an automatic landing gear command device for automatic control of the slats and flaps and the landing gear, respectively.