Aircraft front and back cabin control authority conversion circuit

Abstract

The invention belongs to a flight control technology and relates to improvement on an aircraft front and back cabin control authority conversion circuit. The aircraft front and back cabin control authority conversion circuit comprises a flight control computer (5), a front and back cabin control authority conversion switch (K1), a front cabin control switch (K2) and a back cabin control switch (K3) and is characterized by being provided with four logic circuits with the same structure, wherein the four logic circuits are a first channel logic circuit (1), a second channel logic circuit (2), a third channel logic circuit (3) and a fourth channel logic circuit (4), each logic circuit is provided with four input ends and two output ends, the input ends of each logic circuit are connected with the front and back cabin control authority conversion switch (K1) according to a certain rule, the output ends of each logic circuit are connected with the front cabin control switch (K2) and the back cabin control switch (K3), and each logic circuit consists of four analogue / logic level converters, a voter (7), a not gate (8) and two logic level / analogue converters. The invention occupies little resources of the flight control computer, can reduce a signal line amount between the front and back cabin control switch and the flight control computer by 50 percent, simplify a structure of a flight control system and reduce the volume and the weight.

Description

technical field [0001] The invention belongs to the flight control technology and relates to the improvement of the control authority conversion circuit of the front and rear compartments of the aircraft. Background technique [0002] The existing aircraft control authority conversion circuit for the front and rear cabins is composed of a flight control computer, a front and rear cabin control authority conversion switch, a front cabin control switch and a rear cabin control switch. The front and rear cabin control authority changeover switches, the front cabin control switch and the rear cabin control switch are manual quadruple four-pole double-throw switches with the same structure. The front and rear cabin control authority transfer switch, the first common terminal to the fourth common terminal of the front cabin control switch and the rear cabin control switch are respectively connected to the grounds of the first channel to the fourth channel of the four-degree flight...

AI Technical Summary

Problems solved by technology

This will greatly increase the number of signals input to the flight control computer, which will occupy a large amount of resources of the flight control computer, resulting in a shortage of flight control computer resources.

At the same time, the number of signal lines is greatly increased, and the structural complexity, volume and weight of the flight control system are increased.

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