CN105547328B - A kind of radio altimeter pointer detection system and detection method - Google Patents
A kind of radio altimeter pointer detection system and detection method Download PDFInfo
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- CN105547328B CN105547328B CN201510932761.5A CN201510932761A CN105547328B CN 105547328 B CN105547328 B CN 105547328B CN 201510932761 A CN201510932761 A CN 201510932761A CN 105547328 B CN105547328 B CN 105547328B
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C25/00—Manufacturing, calibrating, cleaning, or repairing instruments or devices referred to in the other groups of this subclass
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- Manufacturing & Machinery (AREA)
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- General Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
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Abstract
The present invention relates to a kind of radio altimeter pointer detection system and detection method, which includes the central controller based on ARM, power module, sample circuit, input interface circuit, output interface circuit and power amplifier；Sample circuit, input interface circuit, central controller, output interface circuit and power amplifier sequentially turn on connection, and the instruction output end of central controller turns on connection with power module, the sampling input terminal of sample circuit turns on connection with the linear DC voltage output end of simulation of the analog DC voltage output terminal and power amplifier of power module.So, it can the linear direct current signal of the high simulation of output prograin, to meet the regular maintenance guarantee requirement of radio altimeter indicator, and realize the in situ detection of radio altimeter indicator, detection performance is reliable and stable, efficient, it is and simple in structure, it is easily achieved, is of low cost, it is small, light-weight, it is easy to carry, it is easy to spread using simple, convenient.
Description
Technical field
The invention belongs to Aircraft Production maintenance technology field, more particularly to a kind of radio altimeter pointer detection system
And detection method.
Background technology
At present, the detection of domestic and international aircraft radio altimeter system is typically given special using manufacturer
Detection device or detector whole system is detected.Existing this detection mode is directed to radio altimeter and is entirely
The detection of system does not account for the diversity requirements that system each unit detects in actual use is safeguarded, specific aim is not strong, using not
It is convenient, and needed during detection using radio altimeter transceiver and detection device, operation is very cumbersome, carries pole not side
Just, detection efficiency is largely effected on, while also to environmental requirement height.
The content of the invention
To solve the above-mentioned problems in the prior art, the present invention provides a kind of high artificial lines of exportable accuracy
Property direct current signal, to meet the regular maintenance guarantee requirement of aircraft radio altimeter indicator, realize that radio altimeter refers to
Show the in situ detection of device, detection performance is stable, reliable, and has the advantages of simple structure and easy realization, is of low cost, small, light-weight,
Easy to carry, use is simple, convenient, and detection efficiency is high, and detection performance is stable, reliable, the high radio altitude of accuracy
Table pointer detection system and detection method.
In order to solve the above technical problems, the present invention adopts the following technical scheme that：
A kind of radio altimeter pointer detection system includes the central controller based on ARM, power module, adopts
Sample circuit, input interface circuit, output interface circuit and power amplifier；Wherein, the sample circuit, input interface circuit,
Central controller, output interface circuit and power amplifier sequentially turn on connection, and the instruction output end of the central controller
Connection, the sampling input terminal of the sample circuit and the analog DC voltage output terminal and work(of power module are turned on power module
The linear DC voltage output end conducting connection of simulation of rate amplifier.
A kind of detection method based on above-mentioned radio altimeter pointer detection system, comprises the following steps：
First, output is sent to power module according to the selection output simulated altitude value of information based on the central controller of ARM
The command signal of corresponding analog DC voltage；
Then, power module exports analog DC voltage signal to sample circuit；
Then, sample circuit gathers analog DC voltage signal and is delivered to central control through input interface circuit in real time
Device；
Followed by analog DC voltage signal is continuously conveyed to power by central controller through output interface circuit
Amplifier；
Subsequently, analog DC voltage signal is amplified processing by power amplifier, linear DC voltage is simulated in output
Signal, sample circuit gathers the linear d. c. voltage signal of the simulation in real time at this time, and is delivered to central control through input interface circuit
Device processed；
Finally, central controller is electric by the linear d. c. voltage signal of simulation of feedback and the analog DC of power module output
Pressure signal is compared, obtains error amount, and the simulation to continuously being conveyed to power amplifier through output interface circuit
D. c. voltage signal is compensated, corrected, and makes function amplifier output with band needed for detection and the standby altimeter indicator of calibration
The linear d. c. voltage signal of simulation of loading capability, and it is conveyed to radio altimeter industrial indicator to be measured.
The beneficial effects of the invention are as follows：
The present invention through the above technical solutions, can the linear direct current signal of the high simulation of output prograin, to meet aircraft
The regular maintenance guarantee requirement of radio altimeter indicator, and can realize the in situ detection of radio altimeter indicator, it is complete
The full radio altimeter transceiver and detection device for substituting traditional detection system, detection performance is stable, reliable, and structure letter
It is single, it is easy to accomplish, it is of low cost, small, light-weight, easy to carry, use is simple, convenient, and detection efficiency is high, detection
Performance is stable, reliable, and accuracy is high, low to environmental requirement, brings economic benefit huge, is easy to push away in each Aircraft Production manufacturer
Extensively, popularization and application.
Description of the drawings
Fig. 1 is a kind of structural schematic block diagram of radio altimeter pointer detection system embodiment of the present invention；
Fig. 2 is a kind of flow diagram of the detection method of radio altimeter pointer detection system of the present invention.
Specific embodiment
In order to make the purpose , technical scheme and advantage of the present invention be clearer, with reference to the accompanying drawings and embodiments, it is right
The present invention is further elaborated.It should be appreciated that specific embodiment described herein is only to explain the present invention, not
For limiting the present invention.
As shown in fig. 1, an embodiment of the present invention provides a kind of radio altimeter pointer detection system, base is included
In the central controller 1 of ARM, power module 2, sample circuit 3, input interface circuit 4, output interface circuit 5 and power amplification
Device 6；The sample circuit 3, input interface circuit 4, central controller 1, output interface circuit 5 and power amplifier 6 are led successively
Lead to and connect, and the instruction output end of the central controller 1 is connected with the conducting of power module 2, the sampling of the sample circuit 3 is defeated
Enter end to turn on the linear DC voltage output end of simulation of the analog DC voltage output terminal and power amplifier 6 of power module 2
Connection.Wherein, the input interface circuit 4 and output interface circuit 5 belong to available circuit, include digital filter, partial pressure
Device may be programmed I/O mouthfuls etc., is mainly used for being connected with the matching of upper level or next stage circuit, plays electric connector, tie
Structure is identical with existing input interface circuit and output interface circuit, and in this not go into detail..
As shown in Figure 2, using the detection method of radio altimeter pointer detection system of the present invention, specifically may be used
To comprise the following steps：
Central controllers 1 of the step A. based on ARM sends defeated according to the selection output simulated altitude value of information to power module 2
Go out the command signal of corresponding analog DC voltage.
Step B. power modules 2 export analog DC voltage signal to sample circuit 3.
Step C. sample circuits 3 gather analog DC voltage signal and are delivered to central control through input interface circuit 4 in real time
Device 1 processed.
Analog DC voltage signal is continuously conveyed to work(by step D. central controllers 1 through output interface circuit 5
Rate amplifier 6.
Analog DC voltage signal is amplified processing by step E. power amplifiers 6, linear DC voltage is simulated in output
Signal, sample circuit 3 gathers the linear d. c. voltage signal of the simulation in real time at this time, and is delivered to center through input interface circuit 4
Controller 1.
Step F. central controllers 1 are straight by the linear d. c. voltage signal of simulation of feedback and simulation that power module 2 exports
Stream voltage signal is compared, obtains error amount, and to continuously being conveyed to power amplifier 6 through output interface circuit 5
Analog DC voltage signal compensate, correct, make the output of function amplifier 6 with detection and the standby altimeter indicator of calibration
The high-precision analog linear DC voltage signal of required load capacity, and it is conveyed to radio altimeter industrial indicator to be measured.
It in this way, can the high artificial line of output prograin by radio altimeter pointer detection system of the present invention
Property direct current signal, to meet the regular maintenance guarantee requirement of aircraft radio altimeter indicator, and can realize radio altitude
The in situ detection of table indicator substitutes the radio altimeter transceiver and detection device of traditional detection system, detection property completely
It can stablize, is reliable, and have the advantages of simple structure and easy realization, is of low cost, it is small, light-weight, it is easy to carry, use operation letter
Singly, conveniently, detection efficiency is greatly improved, detection performance is stable, reliable, and accuracy is high, low to environmental requirement, brings economic benefit
It is huge, it is easy in the popularization of each Aircraft Production manufacturer, popularization and application.
The above is the preferred embodiment of the present invention, it is noted that for those skilled in the art
For, various improvements and modifications may be made without departing from the principle of the present invention, these improvements and modifications are also considered as
Protection scope of the present invention.
Claims (1)
1. a kind of detection method based on radio altimeter pointer detection system, the radio altimeter pointer detection system
System include the central controller (1) based on ARM, power module (2), sample circuit (3), input interface circuit (4), output connect
Mouth circuit (5) and power amplifier (6)；Wherein, the sample circuit (3), input interface circuit (4), central controller (1),
Output interface circuit (5) and power amplifier (6) sequentially turn on connection, and the instruction output end of the central controller (1) with
Power module (2) conducting connection, the sampling input terminal and the analog DC voltage of power module (2) of the sample circuit (3) are defeated
The linear DC voltage output end conducting connection of simulation of outlet and power amplifier (6)；It is characterized in that, the detection method includes
Following steps：
First, the central controller based on ARM (1) is sent defeated according to the selection output simulated altitude value of information to power module (2)
Go out the command signal of corresponding analog DC voltage；
Then, power module (2) exports analog DC voltage signal to sample circuit (3)；
Then, sample circuit (3) gathers analog DC voltage signal and is delivered to central control through input interface circuit (4) in real time
Device (1)；
Followed by analog DC voltage signal is continuously conveyed to work(by central controller (1) through output interface circuit (5)
Rate amplifier (6)；
Subsequently, analog DC voltage signal is amplified processing by power amplifier (6), output is simulated linear DC voltage and believed
Number, at this time sample circuit (3) gathers the linear d. c. voltage signal of the simulation in real time, and is delivered to through input interface circuit (4)
Entreat controller (1)；
Finally, the analog DC that central controller (1) exports the linear d. c. voltage signal of the simulation of feedback and power module (2)
Voltage signal is compared, obtains error amount, and to continuously defeated to power amplifier (6) through output interface circuit (5)
The analog DC voltage signal sent is compensated, corrected, and power amplifier (6) output is made to have detection and the instruction of calibrated altitude table
The linear d. c. voltage signal of simulation of load capacity needed for device, and it is conveyed to radio altimeter industrial indicator to be measured.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510932761.5A CN105547328B (en) | 2015-12-14 | 2015-12-14 | A kind of radio altimeter pointer detection system and detection method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510932761.5A CN105547328B (en) | 2015-12-14 | 2015-12-14 | A kind of radio altimeter pointer detection system and detection method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105547328A CN105547328A (en) | 2016-05-04 |
| CN105547328B true CN105547328B (en) | 2018-05-25 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510932761.5A Active CN105547328B (en) | 2015-12-14 | 2015-12-14 | A kind of radio altimeter pointer detection system and detection method |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113607128B (en) * | 2021-07-30 | 2023-06-09 | 成都国营锦江机器厂 | Low-precision lifting method for radio altimeter |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1895268A2 (en) * | 2006-08-31 | 2008-03-05 | Honeywell International Inc. | Systems and Methods for Detecting and Alerting Mis-Setting of Barometric Altimeter Setting During A Transition Altitude |
| EP2107338A2 (en) * | 2008-03-31 | 2009-10-07 | Honeywell International Inc. | Position estimation for navigation devices |
| CN202032939U (en) * | 2011-03-23 | 2011-11-09 | 哈尔滨建成集团有限公司 | Altitude indicator detecting instrument |
| CN104111062A (en) * | 2014-05-26 | 2014-10-22 | 宁波拓普电器有限公司 | Gradient sensor |
| CN104236500A (en) * | 2014-09-23 | 2014-12-24 | 黑龙江科技大学 | Helicopter-mounted altimeter and speedometer calibration device |
-
2015
- 2015-12-14 CN CN201510932761.5A patent/CN105547328B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1895268A2 (en) * | 2006-08-31 | 2008-03-05 | Honeywell International Inc. | Systems and Methods for Detecting and Alerting Mis-Setting of Barometric Altimeter Setting During A Transition Altitude |
| EP2107338A2 (en) * | 2008-03-31 | 2009-10-07 | Honeywell International Inc. | Position estimation for navigation devices |
| CN202032939U (en) * | 2011-03-23 | 2011-11-09 | 哈尔滨建成集团有限公司 | Altitude indicator detecting instrument |
| CN104111062A (en) * | 2014-05-26 | 2014-10-22 | 宁波拓普电器有限公司 | Gradient sensor |
| CN104236500A (en) * | 2014-09-23 | 2014-12-24 | 黑龙江科技大学 | Helicopter-mounted altimeter and speedometer calibration device |
Non-Patent Citations (2)
| Title |
|---|
| 一种飞机无线电高度表原位检测仪的设计;赵波等;《现代电子技术》;20151115;第38卷(第22期);第75-77页 * |
| 某型无线电高度表原位检测仪的设计与应用;程国晓等;《仪器仪表装置》;20111231;第16页第4段，第17页第2-3段及图2-3 * |
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| CN105547328A (en) | 2016-05-04 |
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