CN114113684A - Method and device for adjusting angle position output of attack angle sensor - Google Patents
Method and device for adjusting angle position output of attack angle sensor Download PDFInfo
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- CN114113684A CN114113684A CN202111316773.7A CN202111316773A CN114113684A CN 114113684 A CN114113684 A CN 114113684A CN 202111316773 A CN202111316773 A CN 202111316773A CN 114113684 A CN114113684 A CN 114113684A
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- angle
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- angle value
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
- G01P21/00—Testing or calibrating of apparatus or devices covered by the preceding groups
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
- G01P13/00—Indicating or recording presence, absence, or direction, of movement
- G01P13/02—Indicating direction only, e.g. by weather vane
- G01P13/025—Indicating direction only, e.g. by weather vane indicating air data, i.e. flight variables of an aircraft, e.g. angle of attack, side slip, shear, yaw
Abstract
The invention provides an angle of attack sensor angular position output adjusting device, including: the central processing module is used for acquiring a first angle value, processing the first angle value and sending the first angle value to the display module; wherein the first angle value comprises a relative angle value or an absolute angle value; the central processing module is also used for judging whether the first angle value meets a first threshold value; an adjusting module, configured to adjust the first angle value to the relative angle value; the angle output module is used for outputting a corresponding angle numerical value according to the instruction of the central processing module; meanwhile, the invention also provides an angle position output adjusting method of the attack angle sensor, and solves the technical problem that the angle needs to be manually adjusted and maintained in the relative technology.
Description
Technical Field
The invention relates to the technical field of attack angle sensors, in particular to an angle position output adjusting method and device of an attack angle sensor.
Background
An attack angle sensor is one of important sensors for sensing the attitude of an airplane during the flying process of the airplane. The attack angle sensor generally comprises a sensor body, a vane rotatably fixed on the sensor body and a driving mechanism. Currently, most of attack angle sensor adjusting devices in the relative technology adopt mechanical adjusting structures with a weathercock pointer separated from a measuring dial, the structures are complex to operate during disassembly and assembly, and the weathercock pointer needs to be pulled manually during measuring a fixed angle. Therefore, the stability of the output values is general, and the angle is fixed at the measuring angle such as: the operation is complicated when the angle is +/-5 degrees or +/-10 degrees, the operation is very dangerous when the angle is adjusted by ascending the height, and the use is inconvenient.
Disclosure of Invention
In view of the above technical problem, in a first aspect, the present invention provides an angle of attack sensor angular position output adjustment apparatus, including:
the central processing module is used for acquiring a first angle value, processing the first angle value and sending the first angle value to the display module; wherein the first angle value comprises a relative angle value or an absolute angle value;
the central processing module is also used for judging whether the first angle value meets a first threshold value;
an adjusting module, configured to adjust the first angle value to the relative angle value;
and the angle output module is used for outputting a corresponding angle numerical value according to the instruction of the central processing module.
Preferably, the apparatus further comprises:
and the power supply module is used for adjusting the power supply voltage to a first preset voltage value and supplying power to the angle sensing module, the central processing module, the display module, the adjusting module and the angle output module according to the first preset voltage value.
Preferably, the first preset voltage value includes 5V.
Preferably, the apparatus further comprises:
and the angle sensing module is used for acquiring the absolute angle value of the current attack angle and sending the absolute angle value to the central processing module.
Preferably, the apparatus further comprises:
and the display module is used for displaying the first angle value.
In a second aspect, the present invention provides a method for adjusting an angular position output of an angle of attack sensor, the method comprising:
the central processing module acquires a first angle value, processes the first angle value and sends the first angle value to the display module; wherein the first angle value comprises a relative angle value or an absolute angle value;
the central processing module judges whether the first angle value meets a first threshold value;
an adjustment module adjusts the first angle value to the relative angle value;
and the angle output module outputs a corresponding angle numerical value according to the instruction of the central processing module.
Preferably, the method further comprises:
the power supply module adjusts power supply voltage to a first preset voltage value and supplies power to the angle sensing module, the central processing module, the display module, the adjusting module and the angle output module according to the first preset voltage value.
Preferably, the first preset voltage value includes 5V.
Preferably, the method further comprises:
the angle sensing module acquires an absolute angle value of a current attack angle and sends the absolute angle value to the central processing module.
Preferably, the method further comprises:
the display module displays the first angle value.
The invention has the following technical effects: the invention is connected with the industrial safety power utilization 36V to form a set of complete testing and adjusting device. After the installation is accomplished, through adjustable display device, fixed angle button and adjustable potentiometer, make operating personnel only stand and can accomplish angle adjustment and the test to attack angle sensor on the gangway ladder, it is convenient simple, but the dominance is good.
Drawings
Fig. 1 is a flowchart of an angle of attack sensor angle position output adjustment method according to an embodiment of the present invention;
fig. 2 is an electrical principle of an angle of attack sensor angular position output adjustment apparatus according to an embodiment of the present invention.
Detailed Description
Referring to fig. 1-2, the present invention provides a method and apparatus for adjusting the angular position output of an angle of attack sensor.
Referring to fig. 1, the embodiment of the present application provides an angle of attack sensor angular position output adjustment method, which is applied to an angle of attack sensor angular position output adjustment device; the method comprises the following steps:
Wherein the first preset voltage value comprises 5V.
And 2, the angle sensing module acquires an absolute angle value of the current attack angle and sends the absolute angle value to the central processing module.
And 3, the central processing module acquires the first angle value, processes the first angle value, sends the first angle value to the display module, and the display module displays the first angle value.
Wherein the first angle value comprises a relative angle value or an absolute angle value.
And 4, judging whether the first angle value meets a first threshold value or not by the central processing module.
In the embodiment of the present application, the first threshold may be 0 degree.
Step 5, the adjusting module adjusts the first angle value into a relative angle value;
and 6, outputting a corresponding angle numerical value by the angle output module according to the instruction of the central processing module.
Referring to fig. 2, the angle sensor angular position output adjustment device provided by the present application includes a portable integrated measuring device, a display and operation device, which is integrated and internally matched with the angle sensor selected by the current model. The portable integrated measuring device comprises an attack angle sensor mounting box, an angle output module and an angle sensing module, wherein the attack angle sensor mounting box comprises an industrial control box which is used for mounting and fixing with an attack angle sensor and can prevent water and a waterproof industrial control box which is used for connecting and fixing an airplane and the angle output module; the display and operation device comprises the display module and an adjustment module.
In the embodiment of the present application, as shown in fig. 1, the power module supplies power to the central processing module, the display module, the adjustment module, the angle sensing module, and the angle output module, the angle sensing module senses the absolute angle of the mounting box of the angle sensor after the angle sensor is mounted, the central processing module collects the signal sent by the angle sensing module and processes the signal and sends the signal to the display module, the display value is compared with the value of 0, the adjustment module enters the angle return mode or directly selects the angle to be adjusted, the central processing module collects the signal and sends an angle processing signal to the angle output module, and after the angle output module drives the angle vane to rotate, the angle sensing module senses the changed angle and sends the first angle value to the central processing module, the central processing module sends the value to the display module, and the display module displays the angle at the moment.
As shown in FIG. 2, 5-36V DC stabilized power supply or two batteries connected in parallel with 9V battery box No. 9 is used, the DC stabilized power supply or the battery box supplies power to the experimental device, the display and operation device and the integrated measurement device are connected by using 1 VGA connecting wire with 16 pins, and the display and operation device is connected to the positive end and the negative end of the DC stabilized power supply or the two batteries connected in parallel with 9V battery box No. 9 after the voltage is adjusted, so as to realize the synchronous power supply of the two.
As shown in fig. 2, the positive terminal of dc 36V or 9V (only 36V is shown in the figure) is connected to one end of fuse FU1 to form a first-stage protection, the negative terminal is connected to the negative terminal of the buck module, the other end of fuse FU1 is connected to the phase line of switch S1, the other end of switch S1 is connected to the positive input terminal of the buck module, the positive and negative input terminals of the buck module are connected in parallel to led L1 and resistor R1, and lighting L1 indicates that the input terminal of the buck module is working normally, or else is not working normally, and the PCB board is provided with a voltage detection point at this point. The positive end of 5V output of the voltage reduction module is connected with one end of a safety FU2 to form secondary protection, the other end of the safety FU2 is connected with a switch S2, the other end of the S2 is connected with a resistor R2, the other end of the R2 is connected with the positive end of a light-emitting diode L2, the negative end of the output of the voltage reduction module is connected with the negative end of the light-emitting diode L2 to form a power supply loop, meanwhile, a wire is led out from the 5V output end of the resistor R1 and the voltage reduction module, a wire is led out from the diode L2 and the negative output end of the voltage reduction module, the positive and negative ends of all power supplies of the rear-stage circuit are connected with the wire, at the moment, the L2 is lightened to indicate that the power supply of the rear-stage circuit is normal, otherwise, and the PCB is provided with a voltage detection point.
As shown in fig. 2, the positive terminal of the output voltage 5V is connected to the positive terminal of the steering engine, pin 32 (i.e., AREF port) of the ATMEGA16A of the chip, pin 30 (i.e., AVCC port), pin 10 (i.e., VCC port), the positive terminal of the gyroscope and the positive terminal of the screen LCD1602, the negative terminal of the output voltage 5V is connected to the negative terminal of the steering engine, pin 11 and 31 (i.e., GND port) of the ATMEGA16A of the chip, the negative terminal of the gyroscope and the negative terminal of the screen LCD1602, so as to form a power supply loop, and provide a stable power supply for the steering engine, the ATMEGA16 ga16A of the chip, the gyroscope and the screen LCD 1602.
As shown in fig. 2, the gyroscope angle output port is connected to pin 40 (i.e., PD0 port) of the ATMEGA16A of the chip, and is configured to receive a voltage signal sent by the gyroscope.
As shown in fig. 2, the high-precision adjustable resistor RP1 is connected to the positive and negative terminals of RP2 and the positive and negative terminals of the output voltage 5V, the pin 39 (i.e., PD1 port) of the resistor-programmed-end chip ATMEGA16A is connected to RP1, and the pin 38 (i.e., PD2 port) of the resistor-programmed-end chip ATMEGA16A is connected to RP2, for receiving an adjustable resistor voltage signal.
In the embodiment of the present application, the data port of the screen LCD1602 is connected to pins 22-29 (i.e., PC0-PC7 ports) of the ATMEGA16A of the chip, and the command port is connected to pins 35-33 (i.e., PA5-PA7 ports) of the ATMEGA16A of the chip, both of which are used for the chip to send display commands and contents to the screen.
In the embodiment of the application, the output voltage 5V is connected with one ends of resistors R3-R10, the other ends of resistors R3-R10 are connected with the positive ends of L3-L10, the negative ends of L3-L10 are connected with switches S3-S10, the negative ends of L3-L10 are connected with pins 1-8 (i.e. PB0-PB6 ports) of ATMEGA16A, and the other ends of switches S3-S10 are connected with the ground. When the switches S3-S10 are not closed, the light emitting diodes L3-L10 are not lighted, and the receiving level of the chip ATMEGA16A is high level;
in the embodiment of the application, if the switch S3-S8 is arbitrarily closed, the corresponding light emitting diode circuit indicates that the closed loop of the switch is normal, and the level received by the chip ATMEGA16A is low, the chip makes a determination after receiving the corresponding signal, and the pin (i.e., PD5 port)) of the chip ATMEGA16a19 is connected with the signal receiving end of the steering engine, and transmits a PWM signal at a corresponding angle, so that the steering engine deflects according to the angle, and meanwhile, the position indicated by the pointer and the dial is referred to for manual determination, and whether the deflection angle meets the tolerance requirement;
in the embodiment of the application, if the deflection position of any closed steering engine of the switches S3-S8 does not meet the angle requirement, the switch S9 is closed. At the moment, the light emitting diode L9 is turned on to indicate that the switch is closed, the high-precision resistor RP1 is rotated to conduct fine adjustment, and after the chip receives signals, the chip and the resistor RP1 make corresponding fine adjustment changes until the requirements are met. After S9 is disconnected, the chip stops receiving signals, and records the PWM signal value output by the current position corresponding to the angle after the fine adjustment is finished, and the switch is only used for the coarse adjustment range, so that each part of position area is in the adjustable range of the fine adjustment resistor RP 2;
in the embodiment of the application, if the deflection position of any closed steering engine of the switches S3-S8 does not meet the angle requirement, the switch S10 can be closed. At the moment, the light emitting diode L10 is turned on to indicate that the switch is closed, the high-precision resistor RP2 is rotated to conduct fine adjustment, and after the chip receives signals, the chip and the resistor RP2 make corresponding fine adjustment changes until the requirements are met. And after the S10 is disconnected, the chip stops receiving the signal, and records the PWM signal value output by the angle corresponding to the current position after the fine adjustment is finished.
Claims (10)
1. An angular position output adjustment device for an angle of attack sensor, the device comprising:
the central processing module is used for acquiring a first angle value, processing the first angle value and sending the first angle value to the display module; wherein the first angle value comprises a relative angle value or an absolute angle value;
the central processing module is also used for judging whether the first angle value meets a first threshold value;
an adjusting module, configured to adjust the first angle value to the relative angle value;
and the angle output module is used for outputting a corresponding angle numerical value according to the instruction of the central processing module.
2. The apparatus of claim 1, further comprising:
and the power supply module is used for adjusting the power supply voltage to a first preset voltage value and supplying power to the angle sensing module, the central processing module, the display module, the adjusting module and the angle output module according to the first preset voltage value.
3. The apparatus of claim 2, wherein the first predetermined voltage value comprises 5V.
4. The apparatus of claim 3, further comprising:
and the angle sensing module is used for acquiring the absolute angle value of the current attack angle and sending the absolute angle value to the central processing module.
5. The apparatus of claim 4, further comprising:
and the display module is used for displaying the first angle value.
6. An angle of attack sensor angular position output adjustment method is characterized by being applied to an angle of attack sensor angular position output adjustment device; the method comprises the following steps:
the central processing module acquires a first angle value, processes the first angle value and sends the first angle value to the display module; wherein the first angle value comprises a relative angle value or an absolute angle value;
the central processing module judges whether the first angle value meets a first threshold value;
an adjustment module adjusts the first angle value to the relative angle value;
and the angle output module outputs a corresponding angle numerical value according to the instruction of the central processing module.
7. The method of claim 6, further comprising:
the power supply module adjusts power supply voltage to a first preset voltage value and supplies power to the angle sensing module, the central processing module, the display module, the adjusting module and the angle output module according to the first preset voltage value.
8. The method of claim 7, wherein the first predetermined voltage value comprises 5V.
9. The method of claim 8, further comprising:
the angle sensing module acquires an absolute angle value of a current attack angle and sends the absolute angle value to the central processing module.
10. The apparatus of claim 9, wherein the method further comprises:
the display module displays the first angle value.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111316773.7A CN114113684A (en) | 2021-11-08 | 2021-11-08 | Method and device for adjusting angle position output of attack angle sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111316773.7A CN114113684A (en) | 2021-11-08 | 2021-11-08 | Method and device for adjusting angle position output of attack angle sensor |
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| Publication Number | Publication Date |
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| CN114113684A true CN114113684A (en) | 2022-03-01 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202111316773.7A Pending CN114113684A (en) | 2021-11-08 | 2021-11-08 | Method and device for adjusting angle position output of attack angle sensor |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2434296A2 (en) * | 2010-09-27 | 2012-03-28 | The Boeing Company | Airspeed sensing system for an aircraft |
| CN110608707A (en) * | 2019-10-30 | 2019-12-24 | 中航通飞华南飞机工业有限公司 | Online testing system and method for attack angle sensor |
| CN111122901A (en) * | 2019-12-31 | 2020-05-08 | 中国航空工业集团公司西安飞机设计研究所 | Attack angle error automatic detection method and correction system thereof |
-
2021
- 2021-11-08 CN CN202111316773.7A patent/CN114113684A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2434296A2 (en) * | 2010-09-27 | 2012-03-28 | The Boeing Company | Airspeed sensing system for an aircraft |
| CN110608707A (en) * | 2019-10-30 | 2019-12-24 | 中航通飞华南飞机工业有限公司 | Online testing system and method for attack angle sensor |
| CN111122901A (en) * | 2019-12-31 | 2020-05-08 | 中国航空工业集团公司西安飞机设计研究所 | Attack angle error automatic detection method and correction system thereof |
Non-Patent Citations (1)
| Title |
|---|
| 吴熙: "民用飞机攻角传感器自动调节系统研究", 《机械制造与自动化》, no. 4, pages 201 - 203 * |
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