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A High-Precision Stick Force Control Method for Aircraft Active Sidestick System

A technology of active sidestick and control method, which is applied in the field of aircraft control system and high-precision stick force control, can solve the problems of not analyzing the control method of active sidestick stick force, failing to distinguish the motion state of active sidestick, etc., so as to prevent failure , the effect of improving reliability

Active Publication Date: 2021-07-13
NANJING UNIV OF AERONAUTICS & ASTRONAUTICS
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Problems solved by technology

However, in previous inventions or papers, either only the rod force in the static state of the active side rod is controlled, and the rod force control method of the active side rod in motion is not analyzed; or the same control structure is used, and the active side rod cannot be distinguished. state of motion

Method used

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  • A High-Precision Stick Force Control Method for Aircraft Active Sidestick System
  • A High-Precision Stick Force Control Method for Aircraft Active Sidestick System
  • A High-Precision Stick Force Control Method for Aircraft Active Sidestick System

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Embodiment Construction

[0074] Further detailed description of the technical solutions of the present invention will be described below with reference to the drawings:

[0075] The present invention discloses a high precision rod force control method of aircraft active lateral rod system, such as figure 1 , figure 2 As shown, the aircraft active lateral bar system includes a monitoring module and a side rod module;

[0076] The monitoring module is used to transmit an instruction to the side rod module, and control the real-time state information of the storage and display of the lateral rod module;

[0077] The lateral rod module includes an active lateral rod, a first microcontrol unit, and a second microcontroller;

[0078] The two-degree-of-freedom mechanical structure of the active lateral rod is figure 1 As shown, an active lateral lever handle, a rod force sensor, an active lateral rod body, a first axis, a second axis, a first bearing and a second bearing;

[0079] The first axis, the second axis...

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Abstract

The invention discloses a high-precision rod force control method for an active sidestick system of an aircraft. Aiming at the active working mode of the active sidestick of an aircraft, a torque-based impedance control strategy is adopted, and a rod force control based on expert PID plus feedforward is designed. The method ensures the precision of rod force control. Among them, the active sidestick uses high-precision rod force sensors and rod force observers based on current and friction models to perform closed-loop feedback of rod force under steady state and dynamic conditions, ensuring the accuracy of force feedback signals.

Description

Technical field [0001] The present invention relates to aircraft control systems, and more particularly to an active mode control method suitable for civilian passenger aircraft and a proactive aircraft active side rod, which relates to high-precision rod control, belonging to the field of force feedback control. Background technique [0002] The active side bar has the advantages of low life costs, providing security feedback, functional programmable upgrade, does not affect the observation cockpit display; and, it reduces mechanical complexity than conventional neutral rods and System weight. This active lateral rod belongs to the strength-displacement type side rod, which constitutes a closed loop loop with the flight control system, which can communicate with the flight control computer. After this active side, the pilot can accurately determine its flight state by the handle force; when the aircraft is in an automatic flight state, the movement of the side rod follows the fl...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B64C13/16
CPCB64C13/16
Inventor 孙永荣王欢陈悦刘闯马婉萍陈磊江
Owner NANJING UNIV OF AERONAUTICS & ASTRONAUTICS
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