Dual-redundancy clutch power supply high-low end control method

Abstract

The invention provides a dual-redundancy clutch power supply high-low end control method, and relates to the technical field of automatic flight control, and the method comprises the steps: S1, carrying out the master-slave selection of a received bus signal through an automatic pilot actuator instruction channel and a monitoring channel; s2, a logic selection module selects a discrete magnitude control signal of a master control AFCC according to a selection signal sent by an instruction channel or a monitoring channel; s3, using an AND gate to carry out AND gate processing on the signals output by the instruction channel and the monitoring channel and the signals selected by the logic selection module; and S4, the control switch controls the on-off of the high end and the low end of the clutch power supply according to the AND gate processing result so as to control the clutch power supply. According to the method, a main control AFCC discrete magnitude signal is selected through a mode of combining software and hardware, hardware circuit control is carried out on the high end and the low end of a clutch power supply, it is ensured that the automatic pilot actuator clutch power supply can be reliably disconnected, and therefore the safety of an automatic flight control system is improved.

Description

Technical Field

[0001] The invention relates to the technical field of automatic flight control, and in particular provides a method for controlling high and low ends of a dual-redundancy clutch power supply. Background Art

[0002] In order to meet the use requirements of the autopilot actuator of the automatic flight control system and ensure the reliable disconnection of the autopilot actuator clutch power supply, the traditional single redundancy control method cannot meet the dual redundancy control requirements. Summary of the invention

[0003] The purpose of this application is to solve the problem that the single redundancy control method in the prior art cannot meet the dual redundancy control requirements. By combining software and hardware, a main control AFCC discrete signal is selected, and a method for hardware circuit control of the high and low ends of the clutch power supply is proposed to ensure that the clutch power supply of the autopilot actuator can be reliably disconnected.

[0004] In order to achieve the above object, the present invention adopts the following technical solution: a dual-redundancy clutch power supply high and low end control method, the method comprising:

[0005] S1: The autopilot actuator command channel and monitoring channel perform master-slave selection on the received bus signal;

[0006] S2: The logic selection module selects the discrete quantity control signal of the master AFCC according to the selection signal sent by the command channel or the monitoring channel;

[0007] S3: Use an AND gate to perform AND gate processing on the signal output by the command channel and the monitoring channel and the signal selected by the logic selection module;

[0008] S4: The control switch controls the on and off of the high and low ends of the clutch power supply according to the processing result of the AND gate to realize the control of the clutch power supply.

[0009] The dual-redundancy clutch power supply high and low end control method provided by the present invention also has the following technical features, wherein S1 comprises:

[0010] S1.1: The autopilot actuator command channel and monitoring channel software receive AFCC1 and AFCC2 bus signals to perform master-slave identification;

[0011] S1.2: The command channel and monitoring channel software of the autopilot actuator output the master-slave status of AFCC1 and AFCC2 to the logic selection module through two discrete quantities, where the two discrete quantity states of 01 represent AFCC1 master control, and the two discrete quantity states of 10 represent AFCC2 master control, and 00 or 11 are error states;

[0012] S1.3: The autopilot actuator command channel and monitoring channel software output the on / off status of the autopilot actuator of the master AFCC to the AND gate, 1 represents the on state, and 0 represents the off state.

[0013] The dual-redundancy clutch power supply high and low end control method provided by the present invention also has the following technical features, wherein S2 comprises:

[0014] S2.1: The logic selection module selects the discrete quantity control signal of the master AFCC according to the signal sent by the command channel or the monitoring channel. When the command channel or the monitoring channel sends 01, the discrete quantity signal of AFCC1 is used; when the command channel or the monitoring channel sends 10, the discrete quantity signal of AFCC2 is used; when the command channel or the monitoring channel sends 00 or 11, the logic selection module does not respond and outputs 0;

[0015] S2.2: The logic selection module outputs the on / off status of the autopilot actuator to the AND gate according to the discrete control signal of the main control AFCC. When the discrete signal is "28V", it outputs 1, indicating that the autopilot actuator is on. When the discrete signal is "on", it outputs 0, indicating that the autopilot actuator is off.

[0016] The dual-redundant clutch power supply high and low-end control method provided by the present invention also has the following technical characteristics: in S3, the AND gate processes the autopilot actuator on / off status output by the command channel or monitoring channel software and the autopilot actuator on / off status output by the logic selection module. When both are 1, the AND gate outputs 1 to the control switch, otherwise, the AND gate outputs 0 to the control switch.

[0017] The dual-redundancy clutch power supply high and low end control method provided by the present invention also has the following technical characteristics: in S4, the AND gate result is 1, the control switch control circuit state is on, otherwise, the control switch control circuit state is off.

[0018] Beneficial Effects

[0019] The dual-redundancy clutch power high and low end control method provided by the present invention selects the main control AFCC discrete quantity signal by combining software and hardware, and performs hardware circuit control on the high and low ends of the clutch power supply, thereby ensuring that the clutch power supply of the autopilot actuator can be reliably disconnected, thereby improving the safety of the automatic flight control system. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] In order to more clearly illustrate the technical solutions of the embodiments of the present disclosure, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present disclosure. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0021] Figure 1 This is a control block diagram of the high and low ends of the dual-redundancy clutch power supply provided by the present invention. DETAILED DESCRIPTION

[0022] The present application is further described in detail below in conjunction with the accompanying drawings and examples, but it should be noted that these implementation methods are not limitations of the present application, and equivalent changes or substitutions in functions, methods, or structures made by ordinary technicians in the field based on these implementation methods are all within the scope of protection of the present application.

[0023] In the description of the embodiments of the present application, it should be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc., indicating the orientation or position relationship, are based on the orientation or position relationship shown in the accompanying drawings, and are only for the convenience of describing the creation of the present application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the creation of the present application.

[0024] In addition, the terms "first", "second", "third", etc. are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Thus, a feature defined as "first", "second", etc. may explicitly or implicitly include one or more of the features. In the description of the invention of this application, unless otherwise specified, the meaning of "plurality" is two or more.

[0025] The terms "installed", "connected" and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the invention of this application can be understood by specific circumstances.

[0026] like Figure 1 As shown, an embodiment of the present application provides a method for controlling high and low ends of a dual-redundant clutch power supply, the method comprising:

[0027] S1: The autopilot actuator command channel and monitoring channel perform master-slave selection on the received bus signal;

[0028] S2: The logic selection module selects the discrete quantity control signal of the master AFCC according to the selection signal sent by the command channel or the monitoring channel;

[0029] S3: Use an AND gate to perform AND gate processing on the signal output by the command channel and the monitoring channel and the signal selected by the logic selection module;

[0030] S4: The control switch controls the on and off of the high and low ends of the clutch power supply according to the processing result of the AND gate to realize the control of the clutch power supply.

[0031] In some embodiments, the S1 includes:

[0032] S1.1: The command channel and monitoring channel of the autopilot actuator perform master-slave identification on the received AFCC1 and AFCC2 bus signals through the software; for example, when AFCC1 is the master control, the bus signal sent by AFCC1 is used;

[0033] S1.2: The command channel and monitoring channel software of the autopilot actuator output the master-slave status of AFCC1 and AFCC2 to the logic selection module through two discrete quantities, where the two discrete quantity status is 01, indicating that AFCC1 is the master control, and the two discrete quantity status is 10, indicating that AFCC2 is the master control, and 00 or 11 is an error state; for example, when AFCC1 is the master control, the two discrete quantity status output by the autopilot actuator command channel and monitoring channel software to the logic selection module is 01;

[0034] S1.3: The autopilot actuator command channel and monitoring channel software output the on / off status of the master AFCC autopilot actuator to the AND gate, 1 indicates the on state, and 0 indicates the off state. For example, if the autopilot actuator state in the AFCC1 bus signal is the off state, the autopilot actuator command channel and monitoring channel software output 0 to the AND gate.

[0035] In some embodiments, the S2 includes:

[0036] S2.1: The logic selection module selects the discrete quantity control signal of the master AFCC according to the signal sent by the command channel or the monitoring channel. When the command channel or the monitoring channel sends 01, the discrete quantity signal of AFCC1 is used; when the command channel or the monitoring channel sends 10, the discrete quantity signal of AFCC2 is used; when the command channel or the monitoring channel sends 00 or 11, the logic selection module does not respond and outputs 0;

[0037] S2.2: The logic selection module outputs the on / off status of the autopilot actuator to the AND gate according to the discrete control signal of the main control AFCC. When the discrete signal is "28V", it outputs 1, indicating that the autopilot actuator is on. When the discrete signal is "on", it outputs 0, indicating that the autopilot actuator is off.

[0038] In some embodiments, in S3, the AND gate processes the on / off status of the autopilot actuator output by the command channel or the monitoring channel software and the on / off status of the autopilot actuator output by the logic selection module. When both are 1, the AND gate outputs 1 to the control switch, otherwise, the AND gate outputs 0 to the control switch.

[0039] In some embodiments, in S4, the AND gate result is 1, and the control switch control circuit state is on. The AND gate result is 0, and the control switch control circuit state is off, the clutch power supply high-end and low-end circuits are off, and the clutch is off, achieving reliable clutch disconnection.

[0040] The above is only a preferred embodiment of the present application and is not intended to limit the present application. Any modifications, equivalent replacements and improvements made within the spirit and principles of the present application shall be included in the protection scope of the present application. The above is only a preferred implementation of the present application. It should be pointed out that for ordinary technicians in this technical field, several improvements and variations can be made without departing from the technical principles of the present application, and these improvements and variations should also be regarded as the protection scope of the present application.

Claims

1. A dual-redundancy clutch power supply high and low end control method, characterized in that: The method comprises: S1: The autopilot actuator command channel and monitoring channel perform master-slave selection on the received bus signal; S2: The logic selection module selects the discrete quantity control signal of the master AFCC according to the selection signal sent by the command channel or the monitoring channel; S3: Use an AND gate to perform AND gate processing on the signal output by the command channel and the monitoring channel and the signal selected by the logic selection module; S4: The control switch controls the on and off of the high and low ends of the clutch power supply according to the processing result of the AND gate to realize the control of the clutch power supply.

2. The dual-redundancy clutch power supply high and low end control method according to claim 1, characterized in that: The S1 includes: S1.1: The autopilot actuator command channel and monitoring channel software receive AFCC1 and AFCC2 bus signals for master-slave identification; S1.2: The command channel and monitoring channel software of the autopilot actuator output the master-slave status of AFCC1 and AFCC2 to the logic selection module through two discrete quantities, where the two discrete quantity states of 01 represent AFCC1 master control, and the two discrete quantity states of 10 represent AFCC2 master control, and 00 or 11 are error states; S1.3: The autopilot actuator command channel and monitoring channel software output the on / off status of the autopilot actuator of the master AFCC to the AND gate, 1 represents the on state, and 0 represents the off state.

3. The dual-redundancy clutch power supply high and low end control method according to claim 1, characterized in that: The S2 includes: S2.1: The logic selection module selects the discrete quantity control signal of the master AFCC according to the signal sent by the command channel or the monitoring channel. When the command channel or the monitoring channel sends 01, the discrete quantity signal of AFCC1 is used; when the command channel or the monitoring channel sends 10, the discrete quantity signal of AFCC2 is used; when the command channel or the monitoring channel sends 00 or 11, the logic selection module does not respond and outputs 0; S2.2: The logic selection module outputs the on / off status of the autopilot actuator to the AND gate according to the discrete control signal of the main control AFCC. When the discrete signal is "28V", it outputs 1, indicating that the autopilot actuator is on. When the discrete signal is "on", it outputs 0, indicating that the autopilot actuator is off.

4. The dual-redundancy clutch power supply high and low end control method according to claim 1, characterized in that: In S3, the AND gate processes the on / off status of the autopilot actuator output by the command channel or the monitoring channel software and the on / off status of the autopilot actuator output by the logic selection module. When both are 1, the AND gate outputs 1 to the control switch, otherwise, the AND gate outputs 0 to the control switch.

5. The dual-redundancy clutch power supply high and low end control method according to claim 1, characterized in that: In S4, if the result of the AND gate is 1, the state of the control switch control circuit is on; otherwise, the state of the control switch control circuit is off.

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