CN111017195B - System and method for verifying non-command motion protection of slat - Google Patents
System and method for verifying non-command motion protection of slat Download PDFInfo
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- CN111017195B CN111017195B CN201911347951.5A CN201911347951A CN111017195B CN 111017195 B CN111017195 B CN 111017195B CN 201911347951 A CN201911347951 A CN 201911347951A CN 111017195 B CN111017195 B CN 111017195B
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- slat
- flap
- control surface
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64C—AEROPLANES; HELICOPTERS
- B64C13/00—Control systems or transmitting systems for actuating flying-control surfaces, lift-increasing flaps, air brakes, or spoilers
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64D—EQUIPMENT FOR FITTING IN OR TO AIRCRAFT; FLIGHT SUITS; PARACHUTES; ARRANGEMENTS OR MOUNTING OF POWER PLANTS OR PROPULSION TRANSMISSIONS IN AIRCRAFT
- B64D45/00—Aircraft indicators or protectors not otherwise provided for
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64D—EQUIPMENT FOR FITTING IN OR TO AIRCRAFT; FLIGHT SUITS; PARACHUTES; ARRANGEMENTS OR MOUNTING OF POWER PLANTS OR PROPULSION TRANSMISSIONS IN AIRCRAFT
- B64D45/00—Aircraft indicators or protectors not otherwise provided for
- B64D2045/0085—Devices for aircraft health monitoring, e.g. monitoring flutter or vibration
Abstract
The invention discloses a system and a method for verifying non-instruction movement protection of a slat, which comprise a slat control handle, a slat controller, a tester, a slat power driving device, a flap power driving device, a slat control surface, a flap control surface, a slat position sensor and a flap position sensor.
Description
Technical Field
The invention belongs to the technical field of airplane flight control system detection, and particularly relates to a system and a method for verifying non-command movement protection of a flap.
Background
The flaps and slats of the airplane are used as high-lift devices of the airplane and play an important role in the takeoff and landing phases of the airplane. The control systems for flaps and slats are referred to as high lift control systems, and the safety of an aircraft may be severely compromised if the high lift control systems are functioning properly. At present, most functional performance detection of a core control component of an aircraft high lift system, namely a slat controller, is mature, and the fault setting of the system component is difficult to simulate real slat non-instruction motion, so that the verification work of the slat non-instruction protection function has difficulty. Therefore, it is necessary to provide a functional verification method of "slat uncommanded motion protection" based on a bird rack, so as to detect and verify the controllability of a slat controller in advance, so as to ensure the normal operation of a high lift system.
Disclosure of Invention
The purpose of the invention is as follows: the test problem of the 'slat non-command movement protection' function of the slat controller can be solved, the complete and reliable verification of the functional performance of the slat controller is realized, and the reference of a non-command movement detection method is provided for other similar products.
The technical scheme of the invention is as follows:
a protection and verification system for uncommanded motion of a slat comprises a slat control handle, a slat controller, a tester, a slat power driving device, a flap power driving device, a slat control surface, a flap control surface, a slat position sensor and a flap position sensor.
The tester is a high lift system signal processor.
The signal processor of the high lift system comprises a conditioning and demodulating module, and the conditioning and demodulating module analyzes command signals sent by the flap controller.
The signal processor of the high lift system comprises a signal reconstruction module, and the signal reconstruction module is used for amplifying, reducing and reversing the slat control signal analyzed by the understanding and adjusting module.
The high lift system signal processor comprises a system state display module which displays the working state of the high lift system.
The slat position sensor and the flap position sensor are both angular displacement sensors.
A verification method includes that a tester outputs instructions to a slat controller for adjustment, a slat power driving device and a flap power driving device receive the adjusted instructions to drive a slat control surface and a flap control surface to move in a non-instruction mode, the function of 'slat non-instruction movement protection' of the slat controller is verified, and the non-instruction movement of the slat includes two conditions of non-instruction control surface movement and instruction control surface reverse movement.
A protection verification system for uncommanded movement of a slat specifically comprises the following steps:
step 1: electrifying the high lift control system, observing fault alarm information of the high lift control system through a tester, and if the fault alarm information exists, carrying out fault troubleshooting and then electrifying again; if no fault alarm information exists, the high lift control system works normally, and the operation of the step 2 is carried out;
and 2, step: and (3) testing the movement protection function of the non-instruction control surface: when the slat control handle is not operated and the slat controller has no output instruction, a tester sends a motion instruction to the flap power driving device and the slat power driving device, the flap power driving device and the slat power driving device drive the flap control surface and the slat control surface to move after receiving the instruction, and when the slat controller finds that the output instruction is not given by the slat controller and the deflection angles of the flap control surface and the slat control surface exceed given threshold values, the slat controller sends a brake instruction to protect the flap control surface and the slat control surface at the current position and report 'slat non-instruction' alarm information at the same time, the 'flap non-instruction motion protection' function under the condition of no instruction control surface motion is verified to be qualified;
and step 3: and (3) testing the protection function of the reverse movement of the command control surface: the flap control handle is turned, the flap controller sends a flap retracting instruction, a tester sends a reverse motion instruction to the flap drive device and the slat drive device, the flap drive device and the slat drive device drive the flap control surface and the slat control surface to move in reverse after receiving the instruction, when the flap controller finds that the reverse motion deflection angle of the flap control surface and the slat control surface exceeds a given threshold value, the flap controller sends a brake instruction to protect the flap control surface and the slat control surface at the current position, and reports 'flap non-instruction' alarm information, so that the function of 'flap non-instruction motion protection' under the condition of instructing the reverse motion of the flap control surface and the slat surface is verified to be qualified.
The invention has the beneficial effects that: the invention provides a system and a method for verifying non-instruction motion protection of a flap, which are characterized in that a flap controller is regulated by outputting an instruction through a tester, a flap driving device drives a control surface to perform non-instruction motion after receiving the regulated instruction, the problem of testing the function of the flap non-instruction motion protection of the flap controller is solved, the comprehensive and reliable verification of the functional performance of the flap controller is realized, and the reference of a non-instruction motion detection method is provided for other similar products.
Drawings
FIG. 1 is a schematic diagram of the system architecture of the present invention.
Detailed Description
As shown in fig. 1, a protection and verification system for uncommanded movement of a slat comprises a slat control handle, a slat controller, a tester, a slat power driving device (slat PDU), a flap power driving device (slat PDU), a slat control surface, a flap control surface, a slat position sensor and a flap position sensor, wherein the slat control handle is connected with the slat controller, the slat controller is connected with the tester, the tester is respectively connected with the slat power driving device and the flap power driving device, the slat power driving device and the flap power driving device are respectively connected with the slat control surface and the flap control surface, the slat control surface is connected with the slat position sensor, the flap control surface is connected with the flap position sensor, and the slat position sensor and the flap position sensor are both connected with the slat controller.
The tester is a high lift system signal processor.
The signal processor of the high-lift system comprises a conditioning and demodulating module, a signal reconstructing module and a system state display module, wherein the conditioning and demodulating module analyzes an instruction signal sent by a flap controller, the signal reconstructing module amplifies, reduces and reverses flap control signals analyzed by the conditioning and demodulating module, and the system state display module displays the working state of the high-lift system.
The slat position sensor and the flap position sensor are both angular displacement sensors.
A verification method is that a tester outputs instructions to a slat controller for adjustment, a slat power driving device and a flap power driving device receive the adjusted instructions to drive a slat control surface and a flap control surface to move in a non-instruction mode, the function of 'slat non-instruction motion protection' of the slat controller is verified, and the non-instruction motion of the slat includes two conditions of non-instruction control surface motion and instruction control surface reverse motion, and specifically comprises the following steps:
step 1: electrifying the high lift control system, observing fault alarm information of the high lift control system through a tester, and if the fault alarm information exists, carrying out fault troubleshooting and then electrifying again; if no fault alarm information exists, the high lift control system works normally, and the operation of the step 2 is carried out;
and 2, step: and (3) testing the movement protection function of the non-instruction control surface: when the slat control handle is not operated and the slat controller has no output instruction, a tester sends a motion instruction to the flap power driving device and the slat power driving device, the flap power driving device and the slat power driving device drive the flap control surface and the slat control surface to move after receiving the instruction, and when the slat controller finds that the output instruction is not given by the slat controller and the deflection angles of the flap control surface and the slat control surface exceed given threshold values, the slat controller sends a brake instruction to protect the flap control surface and the slat control surface at the current position and report 'slat non-instruction' alarm information at the same time, the 'flap non-instruction motion protection' function under the condition of no instruction control surface motion is verified to be qualified;
and step 3: and (3) testing the protection function of the reverse movement of the command control surface: the flap control handle is turned, the flap controller sends a flap retracting command, a reverse motion command is sent to the flap driving device and the slat driving device through the tester, the flap driving device and the slat driving device drive the flap control surface and the slat control surface to move reversely after receiving the command, when the flap controller finds that the reverse motion deflection angle of the flap control surface and the slat control surface exceeds a given threshold value, the flap controller sends a brake command, the flap control surface and the slat control surface are protected at the current position, and meanwhile, 'flap non-command' warning information is reported, and the function of 'flap non-command motion protection' under the condition of instructing the reverse motion of the flap control surface and the slat control surface is verified to be qualified.
According to the invention, the instruction output by the slat controller is adjusted through the tester, and the slat driving device drives the control surface to move in a non-instruction mode after receiving the adjusted instruction, so that the problem of testing the function of slat non-instruction motion protection of the slat controller is solved, the comprehensive and reliable verification of the functional performance of the slat controller is realized, and the reference of a non-instruction motion detection method is provided for other similar products.
Claims (8)
1. A protection verification system for uncommanded movement of a flap is characterized in that: the device comprises a slat control handle, a slat controller, a tester, a slat power driving device, a flap power driving device, a slat control surface, a flap control surface, a slat position sensor and a flap position sensor, wherein the slat control handle is connected with the slat controller;
when the slat control handle is not operated and the slat controller has no output instruction, a tester sends a motion instruction to the flap power driving device and the slat power driving device, the flap power driving device and the slat power driving device drive the flap control surface and the slat control surface to move after receiving the instruction, and when the slat controller finds that the output instruction is not given by the slat controller and the deflection angles of the flap control surface and the slat control surface exceed given threshold values, the slat controller sends a brake instruction to protect the flap control surface and the slat control surface at the current position and report 'slat non-instruction' alarm information at the same time, the 'flap non-instruction motion protection' function under the condition of no instruction control surface motion is verified to be qualified;
the flap control handle is turned, the flap controller sends a flap retracting instruction, a tester sends a reverse motion instruction to the flap drive device and the slat drive device, the flap drive device and the slat drive device drive the flap control surface and the slat control surface to move in reverse after receiving the instruction, when the flap controller finds that the reverse motion deflection angle of the flap control surface and the slat control surface exceeds a given threshold value, the flap controller sends a brake instruction to protect the flap control surface and the slat control surface at the current position, and reports 'flap non-instruction' alarm information, so that the function of 'flap non-instruction motion protection' under the condition of instructing the reverse motion of the flap control surface and the slat surface is verified to be qualified.
2. The system of claim 1, wherein: the tester is a high lift system signal processor.
3. The system of claim 2, wherein: the signal processor of the high lift system comprises a conditioning and demodulating module, and the conditioning and demodulating module analyzes command signals sent by the flap controller.
4. A slat uncommanded motion protection verification system according to claim 3, wherein: the signal processor of the high lift system comprises a signal reconstruction module, and the signal reconstruction module is used for amplifying, reducing and reversing the slat control signal analyzed by the understanding and adjusting module.
5. A slat uncommanded motion protection verification system according to claim 4, wherein: the high lift system signal processor comprises a system state display module which displays the working state of the high lift system.
6. The system of claim 1, wherein: the slat position sensor and the flap position sensor are both angular displacement sensors.
7. A method of validating a slat uncommanded motion protection validation system according to any of claims 1 to 6, wherein: the verification method comprises the steps that a tester outputs an instruction to a slat controller for adjustment, a slat power driving device and a flap power driving device receive the adjusted instruction and drive a slat control surface and a flap control surface to move in a non-instruction mode, the function of 'slat non-instruction movement protection' of the slat controller is verified, and the non-instruction movement of the slat includes two conditions of non-instruction control surface movement and instruction control surface reverse movement.
8. The verification method of the slat uncommanded motion protection verification system according to claim 7, characterized in that: the verification method specifically comprises the following steps:
step 1: electrifying the high lift control system, observing fault alarm information of the high lift control system through a tester, and if the fault alarm information exists, carrying out fault troubleshooting and then electrifying again; if no fault alarm information exists, the high lift control system works normally, and the operation of the step 2 is carried out;
and 2, step: and (3) testing the movement protection function of the non-instruction control surface: when the slat control handle is not operated and the slat controller has no output instruction, a motion instruction is sent to a flap power driving device and a slat power driving device through a tester, the flap power driving device and the slat power driving device drive a flap control surface and a slat control surface to move after receiving the instruction, when the slat controller finds that the slat controller has no output instruction and the deflection angles of the flap control surface and the slat control surface exceed a given threshold value, the slat controller sends a brake instruction to protect the flap control surface and the slat control surface at the current position and report 'slat non-instruction' alarm information, and the 'slat non-instruction motion protection' function under the condition that the control surface is not instructed is qualified;
and 3, step 3: the test with the protection function of instructing the reverse movement of the control surface comprises the following steps: the flap control handle is turned, the flap controller sends a flap retracting command, a reverse motion command is sent to the flap driving device and the slat driving device through the tester, the flap driving device and the slat driving device drive the flap control surface and the slat control surface to move reversely after receiving the command, when the flap controller finds that the reverse motion deflection angle of the flap control surface and the slat control surface exceeds a given threshold value, the flap controller sends a brake command, the flap control surface and the slat control surface are protected at the current position, and meanwhile, 'flap non-command' warning information is reported, and the function of 'flap non-command motion protection' under the condition of instructing the reverse motion of the flap control surface and the slat control surface is verified to be qualified.
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| CN201911347951.5A CN111017195B (en) | 2019-12-24 | 2019-12-24 | System and method for verifying non-command motion protection of slat |
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| CN201911347951.5A CN111017195B (en) | 2019-12-24 | 2019-12-24 | System and method for verifying non-command motion protection of slat |
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| CN111532418B (en) * | 2020-05-20 | 2021-09-24 | 中国商用飞机有限责任公司 | Aircraft high lift system |
| CN114261509A (en) * | 2021-12-30 | 2022-04-01 | 中国航空工业集团公司西安飞机设计研究所 | Flap limit position protection system and method |
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