CN114261510A - Power drive device monitoring system that skids - Google Patents
Power drive device monitoring system that skids Download PDFInfo
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- CN114261510A CN114261510A CN202111657949.5A CN202111657949A CN114261510A CN 114261510 A CN114261510 A CN 114261510A CN 202111657949 A CN202111657949 A CN 202111657949A CN 114261510 A CN114261510 A CN 114261510A
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- 238000012544 monitoring process Methods 0.000 title claims abstract description 20
- 239000003638 chemical reducing agent Substances 0.000 claims description 9
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- 230000009977 dual effect Effects 0.000 claims description 2
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- 230000002194 synthesizing effect Effects 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
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Abstract
The application belongs to the field of flight control system design, and particularly relates to a power driving device slipping monitoring system. The method comprises the following steps: motor speed sensor, output shaft position sensor and servo control module. The motor rotating speed sensor is arranged on an output shaft of the hydraulic motor and used for acquiring the rotating speed of the hydraulic motor; the output shaft position sensor is arranged on an output shaft of the power driving device and used for acquiring the rotating angle of the output shaft; and the servo control module is used for judging whether the power driving device slips or not according to signals of the motor rotating speed sensor and the output shaft position sensor. The utility model provides a power drive device monitored control system that skids can realize the automatic shutdown work of flap power drive device under the condition of skidding, prevents that the external load is too big to lead to skidding back long-time operation to power drive device's wearing and tearing and energy system's loss, further reduces the influence to flight safety.
Description
Technical Field
The application belongs to the field of flight control system design, and particularly relates to a power driving device slipping monitoring system.
Background
The flap control system is composed of an electric, mechanical or hydraulic device between an operation device and an actuating mechanism, and comprises a control subsystem and a driving actuating subsystem, wherein the control subsystem is mainly used for completing system operation instruction acquisition, feedback signal acquisition, control instruction calculation, system operation monitoring and system-level fault monitoring and protection, and the driving actuating subsystem is mainly used for receiving instruction signals obtained by calculation of the control subsystem and completing servo driving and actuating. The power driving device is a core driving part of the system and is used for receiving a control command, converting a hydraulic energy source or a power source into mechanical motion and transmitting the mechanical motion to the control surface actuator through an operating line system.
In order to reduce the weight of mechanical components such as a torsion bar, a reducer and the like in an action line system, when a flap control system of a novel transport type aircraft is designed at present, a moment limiting device is designed in a power driving device, so that the maximum moment transmitted to the action line system can be obtained by calculation according to the load of an aircraft control surface, and when the action line system is blocked, the maximum moment transmitted to the action line system is the upper limit value of a moment limiter and is not the upper limit of the power driving device, thereby reducing the load requirement of the action line system and further reducing the weight of the action line system. When a slip fault occurs, the operation of the power driving device needs to be stopped in time, so that the abrasion of the power driving device and the loss of an energy system caused by long-time operation after the slip is prevented.
Accordingly, a technical solution is desired to overcome or at least alleviate at least one of the above-mentioned drawbacks of the prior art.
Disclosure of Invention
It is an object of the present application to provide a power drive slip monitoring system to address at least one problem of the prior art.
The technical scheme of the application is as follows:
a power drive slip monitoring system comprising:
the motor rotating speed sensor is arranged on an output shaft of the hydraulic motor and used for acquiring the rotating speed of the hydraulic motor;
the output shaft position sensor is arranged on an output shaft of the power driving device and used for acquiring the rotating angle of the output shaft;
and the servo control module is used for judging whether the power driving device slips or not according to the signals of the motor rotating speed sensor and the output shaft position sensor.
In at least one embodiment of the present application, the motor speed sensor is of the sine and cosine sensor type.
In at least one embodiment of the present application, the output shaft position sensor is of the sine and cosine sensor type.
In at least one embodiment of the present application, the motor speed sensor, the output shaft position sensor, and the servo control module are all dual redundancy designs.
In at least one embodiment of the present application, the power drive is configured with a torque limiter for limiting the output torque of the speed reducer, disengaging the speed reducer from the power drive output shaft when the output torque exceeds a limit threshold, and automatically connecting the speed reducer to the power drive output shaft when the output torque returns to within the limit threshold.
In at least one embodiment of this application, servo control module realizes the motion drive through control brake and hydraulic motor, hydraulic motor's kinetic energy is exported after synthesizing through differential gear train and reduction gear, acts on the moment limiter to the output torque to the reduction gear limits, and the moment after the restriction passes through power drive's output shaft is acted on the flap rudder face after the transmission line system exports.
In at least one embodiment of the present application, the servo control module has a fault monitoring protection mode, and is configured to automatically reset according to a control command when a power driving device slips, so as to prevent error protection.
The invention has at least the following beneficial technical effects:
the utility model provides a power drive device monitored control system that skids can realize the automatic shutdown work of flap power drive device under the condition of skidding, prevents that the external load is too big to lead to skidding back long-time operation to power drive device's wearing and tearing and energy system's loss, further reduces the influence to flight safety.
Drawings
FIG. 1 is a schematic diagram of a power drive slip monitoring system according to one embodiment of the present application.
Detailed Description
In order to make the implementation objects, technical solutions and advantages of the present application clearer, the technical solutions in the embodiments of the present application will be described in more detail below with reference to the drawings in the embodiments of the present application. In the drawings, the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The described embodiments are a subset of the embodiments in the present application and not all embodiments in the present application. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present application and should not be construed as limiting the present application. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application. Embodiments of the present application will be described in detail below with reference to the accompanying drawings.
In the description of the present application, it is to be understood that the terms "center", "longitudinal", "lateral", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are used merely for convenience in describing the present application and for simplifying the description, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed in a particular orientation, and be operated, and therefore should not be construed as limiting the scope of the present application.
The present application is described in further detail below with reference to fig. 1.
The application provides a power drive device monitored control system that skids includes: motor speed sensor, output shaft position sensor and servo control module.
Specifically, the motor speed sensor is arranged on an output shaft of the hydraulic motor and used for acquiring the rotating speed of the hydraulic motor, the output shaft position sensor is arranged on an output shaft of the power driving device and used for acquiring the rotating angle of the output shaft, and the servo control module is used for judging whether the power driving device slips or not according to signals of the motor speed sensor and the output shaft position sensor. The servo control module calculates an output shaft angle change value measured by an output shaft position sensor within a certain time by monitoring the rotating speed range of the hydraulic motor measured by the motor rotating speed sensor, and judges whether the power driving device slips or not.
In a preferred embodiment of the present application, the motor speed sensor and the output shaft position sensor are both of the sine and cosine sensor type.
In the preferred embodiment of the application, the motor speed sensor, the output shaft position sensor and the servo control module are designed in a dual-redundancy mode, and each servo control module resolves 1-redundancy motor speed sensor and 1-redundancy output shaft position sensor, so that the problem that a system cannot work normally due to the fault of a single sensor is avoided.
The utility model provides a power drive device monitored control system that skids, power drive device dispose the moment limiter, and the moment limiter is used for carrying out output torque to the reduction gear and limits, when output torque surpassed the restriction threshold, declutches reduction gear and power drive device output shaft, when output torque resumes to in the restriction threshold, with reduction gear and power drive device output shaft automatic connection.
The utility model provides a power drive device monitored control system that skids, servo control module realizes the motion drive through control stopper and hydraulic motor, hydraulic motor's kinetic energy is exported after synthesizing through differential gear train and reduction gear, act on the moment limiter, thereby restrict the output torque to the reduction gear, the moment after the restriction acts on the flap rudder face after passing through power drive device's output axial drive line system output, through motor speed sensor and output shaft position sensor, carry out rotational speed closed loop control and the control of skidding. Advantageously, in this embodiment, the servo control module has a fault monitoring protection mode, and is configured to automatically reset according to the control command when the power driving apparatus slips, so as to prevent occurrence of error protection.
In one embodiment of the present application, a motor speed sensor detects the speed of the hydraulic motor, an output shaft position sensor detects the angle of rotation of the output shaft, and a power drive unit realizes output torque limitation through a torque limiter. In the embodiment, the rotating speed stabilizing section of the hydraulic motor of the airplane is 2540r/min, and the reduction ratio of the gear train is 12.7. And calculating the angle change value of the output shaft within a certain time by monitoring the range of the motor rotating speed sensor, and judging whether the power driving device slips or not. When the absolute value of the rotating speed of the hydraulic motor is larger than 800r/min and lasts for 5 cycles (100ms), the hydraulic motor enters a judgment logic, within 1s, if the angle variation of the output shaft is smaller than 360 degrees, a slip fault is judged, after the slip fault occurs, if a new handle movement instruction is generated, the fault is automatically cleared, the movement control is carried out again, and the upper limit of the automatic fault clearing frequency is 5 times when power is on and off every time. In the embodiment, the motor speed sensor, the output shaft position sensor and the servo control module are all designed with double redundancy, and when a single motor stops running, the occurrence of a slip fault can still be monitored.
The utility model provides a power drive device monitored control system that skids can realize the automatic shutdown work of flap power drive device under the condition of skidding, prevents that the external load is too big to lead to skidding back long-time operation to power drive device's wearing and tearing and energy system's loss, further reduces the influence to flight safety. The method has clear logic, innovative method, safety and reliability, and has high professional application and popularization values through practical application.
The above description is only for the specific embodiments of the present application, but the scope of the present application is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present application should be covered within the scope of the present application. Therefore, the protection scope of the present application shall be subject to the protection scope of the claims.
Claims (7)
1. A power drive slip monitoring system, comprising:
the motor rotating speed sensor is arranged on an output shaft of the hydraulic motor and used for acquiring the rotating speed of the hydraulic motor;
the output shaft position sensor is arranged on an output shaft of the power driving device and used for acquiring the rotating angle of the output shaft;
and the servo control module is used for judging whether the power driving device slips or not according to the signals of the motor rotating speed sensor and the output shaft position sensor.
2. The power drive unit slip monitoring system of claim 1 wherein said motor speed sensor is of the sine and cosine sensor type.
3. The power drive unit slip monitoring system of claim 2 wherein the output shaft position sensor is of the sine and cosine sensor type.
4. The power drive unit slip monitoring system of claim 3 wherein said motor speed sensor, said output shaft position sensor and said servo control module are of a dual redundancy design.
5. The power drive unit slip monitoring system of claim 4 wherein the power drive unit is configured with a torque limiter for limiting the output torque of the speed reducer, disengaging the speed reducer from the power drive unit output shaft when the output torque exceeds a limit threshold, and automatically connecting the speed reducer to the power drive unit output shaft when the output torque returns to within the limit threshold.
6. The system for monitoring the slip of the power drive device according to claim 5, wherein the servo control module is used for realizing motion drive by controlling a brake and a hydraulic motor, the kinetic energy of the hydraulic motor is output after being combined through a differential gear train and a speed reducer and acts on the torque limiter, so that the output torque of the speed reducer is limited, and the limited torque acts on the flap control surface after being output through an output shaft of the power drive device to a transmission line system.
7. The system according to claim 6, wherein the servo control module has a fault monitoring protection mode for automatically resetting according to the control command to prevent error protection when the power drive unit slips.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111657949.5A CN114261510A (en) | 2021-12-30 | 2021-12-30 | Power drive device monitoring system that skids |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111657949.5A CN114261510A (en) | 2021-12-30 | 2021-12-30 | Power drive device monitoring system that skids |
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| CN114261510A true CN114261510A (en) | 2022-04-01 |
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| CN202111657949.5A Pending CN114261510A (en) | 2021-12-30 | 2021-12-30 | Power drive device monitoring system that skids |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4605107A (en) * | 1983-12-12 | 1986-08-12 | Western Gear Corporation | Slip clutch with slip detector and electrical disconnect |
| CN205300918U (en) * | 2015-12-29 | 2016-06-08 | 中国民航大学 | Aircraft wing flap driver maintenance detection device |
| CN105947165A (en) * | 2016-05-23 | 2016-09-21 | 哈尔滨工程大学 | Ship rudder machine system and rudder steering control method thereof |
| CN111003155A (en) * | 2019-12-27 | 2020-04-14 | 中国航空工业集团公司西安飞机设计研究所 | Method for flap control system with high reliability and low cost |
| CN113716022A (en) * | 2021-08-26 | 2021-11-30 | 航天时代飞鹏有限公司 | Electric redundancy electric steering engine |
-
2021
- 2021-12-30 CN CN202111657949.5A patent/CN114261510A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4605107A (en) * | 1983-12-12 | 1986-08-12 | Western Gear Corporation | Slip clutch with slip detector and electrical disconnect |
| CN205300918U (en) * | 2015-12-29 | 2016-06-08 | 中国民航大学 | Aircraft wing flap driver maintenance detection device |
| CN105947165A (en) * | 2016-05-23 | 2016-09-21 | 哈尔滨工程大学 | Ship rudder machine system and rudder steering control method thereof |
| CN111003155A (en) * | 2019-12-27 | 2020-04-14 | 中国航空工业集团公司西安飞机设计研究所 | Method for flap control system with high reliability and low cost |
| CN113716022A (en) * | 2021-08-26 | 2021-11-30 | 航天时代飞鹏有限公司 | Electric redundancy electric steering engine |
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