Backup flight control system and backup flight control method

A flight control system and flight control technology, applied in the field of aircraft flight control, can solve problems such as false activation of backup controllers, interference with normal control, etc., and achieve the effect of ensuring safe flight and landing, and simple direct chain control.

Active Publication Date: 2021-08-27
COMAC +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Therefore, in this kind of backup control system, there is a concern that the backup controller will be activated by mistake while the main controller is still valid, which will interfere with the normal control of the actuator by the main controller.

Method used

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  • Backup flight control system and backup flight control method

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Embodiment Construction

[0028] Next, the inventive concept of the present invention will be described in detail with reference to the accompanying drawings. What is described here is only a preferred embodiment of the present invention, and those skilled in the art can think of other ways to realize the present invention on the basis of the preferred embodiments, and the other ways also fall within the scope of the present invention.

[0029] figure 1 It is a system architecture diagram showing the backup flight control system of the present invention. The backup flight control system of the present invention includes: a cockpit command device 100, which is equipped with a plurality of control devices, and provides corresponding cockpit control instructions via a plurality of control device sensors that detect the manipulation of these control devices; the aircraft power supply control center 300, which is connected with the main flight control device 200 and receives a signal from the main flight c...

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Abstract

The invention provides a backup flight control system and a backup flight control method. The backup flight control system includes the following devices of: a cockpit command device for providing a control instruction of a cockpit, a flight control center device which monitors whether a main flight control device fails or not, wherein the main flight control device generates and outputs a control instruction for controlling an aircraft control surface according to the control instruction under the condition of normal work; a backup flight control device which is started under the condition that the flight control center device monitors that the main flight control device fails, generates a control instruction for controlling the aircraft control surface according to the control instruction after being started, starts to monitor whether the main flight control device fails or not, and allows to output the control instruction for controlling the aircraft control surface when monitoring that the main flight control device fails; and a flight control actuating device which is used for receiving the control instruction from the main flight control device or the backup flight control device and controlling the movement of the corresponding aircraft control surface.

Description

technical field [0001] The invention relates to the field of aircraft flight control, in particular to a backup flight control system and a backup flight control method. Background technique [0002] Flight control systems are complex and critical systems on modern civil aircraft and are critical to aircraft safety. Nowadays, compared with the traditional cable transmission flight control system, the fly-by-wire flight control system is of great significance to the overall weight reduction of the aircraft, and at the same time enables the aircraft to adopt a more ergonomic and safer flight control law. Therefore, the fly-by-wire flight control system The system has become the main trend of current aircraft design. [0003] In the existing fly-by-wire flight control system architecture, in addition to the main flight control system, there is also a function that is independent of the main flight control system and used to control part of the rudder surface of the aircraft wh...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G05B19/042
CPCG05B19/0423G05B2219/25257
Inventor 郭建伟龚孝懿柳建锋张冲吕延平王晨琳
Owner COMAC
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