CN109061583A - A kind of boat-carrying Large Radar pedestal vertical section deformation measurement method - Google Patents
A kind of boat-carrying Large Radar pedestal vertical section deformation measurement method Download PDFInfo
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- CN109061583A CN109061583A CN201810666772.7A CN201810666772A CN109061583A CN 109061583 A CN109061583 A CN 109061583A CN 201810666772 A CN201810666772 A CN 201810666772A CN 109061583 A CN109061583 A CN 109061583A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
- G01S7/02—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S13/00
- G01S7/40—Means for monitoring or calibrating
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B11/00—Measuring arrangements characterised by the use of optical techniques
- G01B11/16—Measuring arrangements characterised by the use of optical techniques for measuring the deformation in a solid, e.g. optical strain gauge
- G01B11/165—Measuring arrangements characterised by the use of optical techniques for measuring the deformation in a solid, e.g. optical strain gauge by means of a grating deformed by the object
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- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Length Measuring Devices By Optical Means (AREA)
Abstract
The invention belongs to spacecraft observation and control technology fields, disclose a kind of boat-carrying Large Radar pedestal vertical section deformation measurement method.Aiming at the problem that current boat-carrying Large Radar Antenna pedestal vertical direction malformation lacks available measurement method, disclose a kind of utilization fiber Bragg grating sensor high-precision configuration strain measurement ability, by the design of suitable mount scheme and corresponding local train amount and global deformation values computation model, the measurement method of radar pedestal vertical direction deflection measured value is obtained.The method overcome lead to traditional difficulty being difficult to carry out using bar path progress optical deformation measurement method inside radar pedestal because installation space is limited.This method fiber-optic grating sensor can be close to the installation of radar pedestal bucket wall, occupy little space, and deformation measurement precision is high, at sea the deflection of radar pedestal vertical direction can be obtained in real time under current intelligence, so that shipborne radar measurement accuracy can be improved.
Description
Technical field
The present invention relates to spacecraft observation and control technology fields, and in particular to a kind of boat-carrying Large Radar pedestal vertical section change
Shape measurement method.
Background technique
Radio radar system due to the applications such as its round-the-clock, round-the-clock unique advantage, in space monitoring, target acquisition
Especially played an increasingly important role in space flight measurement and control.Radar measurement accuracy as one of most important performance indicator,
It is for a long time always the emphasis of engineers and technicians' research and design.The characteristics of shipborne radar is moved due to platform, restricts and surveys
The factor of accuracy of measurement is more compared with land-based radar.Especially because the influence of ship movement, radar pedestal axial system error and structure become
There is dynamic change in shape, but due to technical reason, such variation never have at present suitable method measure or
Identification.
About Ship Structure deformation measurement problem, currently more universal method is to establish dedicated optics using large steel pipe to survey
Channel is measured, by relative shift between optical instrument two measuring points of measurement, to obtain relative deformation angle.What is currently risen takes the photograph
Distortion of image measurement method is a kind of more convenient and fast method, but there is still a need for dedicated optical channels, is only deformed than traditional large steel pipe
Measurement method is much smaller.The above two classes method precision is higher, equipment the operation is stable, but device systems occupy deck space compared with
Greatly, dedicated optical channel is difficult to ensure sometimes.Especially radar pedestal vertical structure problem on deformation, due to being difficult to provide dedicated light
Channel, for a long time its dynamic deformation all rely on structure design Mechanics Simulation analysis as a result, and default do not influence thunder generally
Up to the measuring precision requirement.
Summary of the invention
It is an object of the present invention to overcome defect existing in the prior art, the present invention is vertical for shipborne radar pedestal
Direction structure deformation gives a kind of achievable measurement method, can be the base construction design verification of shipborne radar system, move
State service check and high-acruracy survey provide a kind of boat-carrying Large Radar pedestal vertical section deformation measurement method of technical support.
On the one hand on the other hand the reasonability that can verify that the design of radar pedestal structure can provide the support of shipborne radar high-acruracy survey.
To achieve the above object, the technical scheme is to design a kind of deformations of boat-carrying Large Radar pedestal vertical section to survey
Amount method, the measurement method are along ship larboard, starboard and the stem side of a ship, ship stern side of a ship direction by fiber Bragg grating sensor
Segmentation, symmetrical veneer are installed on the inner wall of radar pedestal bucket wall, determine deformation measurement and calculation method according to mount scheme, including
Following measuring process:
Step 1 determines sensor mount position: will be used for larboard of the fibre optical sensor along ship, the starboard of deformation measurement
With four lines segmentation installation above and below the stem side of a ship, ship stern side of a ship direction, according to shipborne radar pedestal object construction determine segmentation position and
Installation position, the basic principle of segmentation presses structural member junction and straight line can not be by place as segmentation position or separation；Respectively
It is small to negligible without deformation or deflection between the adjacent connection welding of adjacent sectional fibre optical sensor；
Step 2 determines sensor type: determine selected sensor according to the upper-lower height at tested position, 20cm with
Interior strain measurement uses general strain gauge, and for 20~100cm using amplification strain gauge, 100cm's or more uses high-precision displacement meter；
Step 3, sensor installation: installation position determined by step 1 is marked, and installation point periphery is removed
It becomes rusty, polish, stud is installed using welding machine spot welding sensor, it is suitable to be selected according to installation position feature and scheduled sensor type
Tooling；
Step 4, sensor connection: acquiring sensors in series number of nodes ability according to the every Channel Synchronous of test equipment, point
More sensor fiber connectors on ship larboard, starboard, the stem side of a ship, the ship stern abeam four installation sides of a ship welding is not serially connected
It is several, the combination that each node data easily reads and compares；
Step 5, data acquisition and Deformation calculation: after the completion of installation connection, test equipment is opened, synchronous acquisition respectively senses
Device dependent variable data；Since Ship Swaying and deformation are commonly defined as ship larboard, starboard and the stem side of a ship, ship stern side of a ship direction, press
The azimuth of the definition for being 0 degree according to azimuth stem side of a ship direction, 4 survey sides of a ship is denoted as 0 degree, 90 degree, 180 degree, 270 degree respectively, benefit
The rolling of radar pedestal vertical direction, pitch deformation angle are calculated with four typical directions strain values and structural mechanics principle；
Sign flag: ε indicates dependent variable, is fiber sensor measuring value；θ indicates ship rolling；Indicate ship pitching；
Hi、RiRespectively i-th (i=1,2,3, n) and height of lift, pedestal respective radius；It is calculated according to the following formula
It is segmented rolling strain:
It is segmented pitching strain:
It is segmented roll angle
It is segmented pitch angle
Total roll angle
Total pitch angle
Wherein preferred technical solution is that the bar path of the radar vertical section without traditional optical deformation measurement need to divide
Section is cumulative；The measurement method is based on fiber Bragg grating sensor and is close to the segmentation installation of measured structure part, without straight-through light
Road.
Preferred technical solution is in addition, the methods of measurement and calculation is based on fiber Bragg grating sensor on a ship left side
The side of a ship, starboard and the stem side of a ship, ship stern side of a ship direction mounting design scheme, realize horizontal and vertical deformation to radar pedestal vertical section
Measurement.
The basic principle of boat-carrying Large Radar pedestal vertical section deformation measurement method of the present invention is:
Since structural member dependent variable substantially also reflects relative shift between local measuring point, only need according to sensor
Mounting means determines the direction of the relative displacement.Defined according to deformation angle, using the displacement, two measuring points relative size, answer
The parameters such as nyctitropic structural member curvature can obtain relative angular displacement between two measuring points, i.e. deformation angle；Sensor can also be passed through
Different directions deformation angle between two measuring points required for the design of different installation obtains；Deformation angle point between multiple adjacent measuring points
Total deformation angle between cumulative two endpoints that can be obtained relatively far apart of section.Meanwhile according to structural mechanics principle, when structural member material
When material and configuration are completely the same, under identical external force, dependent variable is also consistent, therefore can be utilized according to the principle
The measurable immesurable structural member strain of structural member strain extrapolation, to easily facilitate the acquisition of whole dependent variable.Because of optical fiber cloth
Glug grating can measure the dependent variable of micromicron magnitude, and for general centimetre or more structural member, deformation angular measurement can be better than
Rad magnitude.Relevant calculation formula has provided in method and step.
The advantages and beneficial effects of the present invention are: the boat-carrying Large Radar pedestal vertical section deformation measurement method is to be directed to
Shipborne radar pedestal vertical direction malformation gives a kind of achievable measurement method, can be the pedestal of shipborne radar system
Structure design verification, dynamic property are examined and high-acruracy survey provides technical support.On the one hand the measurement method can verify that thunder
On the other hand the reasonability of motor seat structure design can provide the support of shipborne radar high-acruracy survey.
Boat-carrying Large Radar of the present invention generally has higher vertical pedestal, can be in order to target observation, which exists
Malformation can be generated under the effects of Ship Swaying, gravity, wind-force.
Measurement method of the present invention is primarily adapted for use in shipborne radar vertical section without the straight-through of traditional optical deformation measurement
Optical path need to be segmented cumulative；The measurement method, which is based on fiber Bragg grating sensor, can be close to measured structure part segmentation peace
Dress is not necessarily to bar path；The vertically and horizontally deformation angle calculation method is derived from special radar pedestal vertical section or so abeam and bow
Stern is installed and designed to sensor, other mounting means need separately to derive calculation method.
Whether measurement result of the present invention can be not only used for examining radar arrangement Intensity Design up to standard, it can also be used to empty
Between the systematic error of the variation ignored by conventional method is corrected in target measurement, to improve radar measurement accuracy.
The vertical deformation of pedestal can not in extraterrestrial target measurement process for current boat-carrying Radio Measurement equipment by the present invention
The problem of acquisition, proposes a kind of method for obtaining deformation angle using fiber Bragg grating sensor dependent variable survey calculation.
This method measurement accuracy is high, and sensor occupies little space, and has filled up blank, realizes the raising of radar system angle measurement accuracy, thus
Extraterrestrial target can be improved and survey positioning accuracy.
The present invention gives a kind of feasible shipborne radar pedestal vertical structure deformation measurement methods, have filled up blank.
Measurement sensor of the present invention can veneer installation, occupy little space, operate it is easy to implement, convenient for carrying out under current intelligence
Measurement；
Whether measurement result of the invention can both examine radar arrangement Intensity Design up to standard, can be used for extraterrestrial target
The systematic error for the variation ignored by conventional method is corrected in measurement；
The present invention realizes relative deformation angle measurement by the measurement of structural member dependent variable, and precision is up to rad magnitude.
Detailed description of the invention
Fig. 1 is that fibre optical sensor lays orientation diagram in boat-carrying Large Radar pedestal vertical section deformation measurement method of the present invention；
Fig. 2 is that installation position and sensor selection are shown in boat-carrying Large Radar pedestal vertical section deformation measurement method of the present invention
It is intended to；
Fig. 3 is integrated monitoring system schematic diagram in boat-carrying Large Radar pedestal vertical section deformation measurement method of the present invention.
Specific embodiment
With reference to the accompanying drawings and examples, further description of the specific embodiments of the present invention.Following embodiment is only
For clearly illustrating technical solution of the present invention, and not intended to limit the protection scope of the present invention.
The present invention is a kind of boat-carrying Large Radar pedestal vertical section deformation measurement method, and the measurement method is along a ship left side
Fiber Bragg grating sensor is segmented by the side of a ship, starboard and the stem side of a ship, ship stern side of a ship direction, symmetrical veneer is installed on radar pedestal bucket
The inner wall of wall determines deformation measurement and calculation method, including following measuring process according to mount scheme:
Step 1 determines sensor mount position: for deformation measurement fibre optical sensor should along ship larboard, starboard and
(such as Fig. 1) is installed in four line segmentations up and down for the stem side of a ship, ship stern side of a ship direction, determines fragment bit according to shipborne radar pedestal object construction
It sets and installation position, segmentation basic principle is that structural member junction and straight line can not should be used as segmentation position or boundary by place
Point, radar pedestal object construction model as shown in Figure 2, can be divided into A, B, C, D, E, F, H sections, wherein A, C, D, E, F are respectively equal
Belong to smooth paragraph, correspondent section inner fiber sensor can straight line installation, B section for two structural members connect highlight, need it is separately installed
Sensor has steel plate partition between C, D sections between E, F sections, there is lateral ring steel plate reinforcing rib between D, E sections, and H sections are traversing section
It falls, is the datum mark of measurement；Between the adjacent connection welding of each adjacent sectional fibre optical sensor it is ensured that without deformation or deflection is small arrives
It is negligible, as the upper solder joint of A sections of lower solder joints and B sections should all be B sections of reinforcing rib upper surfaces；
Step 2 determines sensor type: selected by being determined according to the upper-lower height at tested position (i.e. up and down spot pitch from)
Sensor, the strain measurement within 20cm are contemplated that (also referred to as surface strain meter referred to as strains using general strain gauge
Meter), 20~100cm's it is contemplated that 100cm's or more it is contemplated that use high-precision displacement meter using amplification strain gauge.Sensor class
Type is as shown in Figure 2；
Increased H sections is arrived the transverse strain measuring of load bucket wall, is mainly used for observing radar pedestal with respect to load bucket totality
Dependent variable is not involved in deformation and calculates.
Step 3, sensor installation: installation position determined by step 1 is marked, and installation point periphery is removed
It becomes rusty, polish (derusting size view welding manner determines, convenient for welding), stud is installed using welding machine spot welding sensor
(it is recommended that directly more convenient using stud welding machine) selects suitable work according to installation position feature and scheduled sensor type
Dress；
Step 4, sensor connection: acquiring sensors in series number of nodes ability according to the every Channel Synchronous of test equipment, point
More sensor fiber connectors on four ship larboard, starboard, the stem side of a ship, ship stern abeam hookup wires welding is not serially connected
The combination easily read and compared for several, each node data；As shown in figure 3, may be selected with 4 with upper channel, every channel
Be capable of the test equipment (data collecting instrument) of synchronous acquisition 7 or more nodes, so then can every channel acquire every survey line simultaneously
7 sensing datas from top to bottom, 44 rows of channel point show the actual measurement strain data of each segmentation, convenient for comparing and analyzing；
Step 5, data acquisition and Deformation calculation: after the completion of installation connection, openable test equipment, synchronous acquisition is respectively passed
Sensor dependent variable data；As shown in figure 3, calculate mainly for A, 1~n (n=6 in legend) numbers of B, C, D, E, F section sense
Device, H sections of sensors are deformation measurement datum mark with respect to the deformation of radar load bucket, are not involved in calculating；Due to Ship Swaying and change
Shape is commonly defined as port and starboard and fore and aft line direction, the definition for being 0 degree according to azimuth stem direction, the azimuth of 4 surveys line
It is denoted as 0 degree, 90 degree, 180 degree, 270 degree respectively, radar base can be calculated using four typical directions strain values and structural mechanics principle
The rolling of seat vertical direction, pitch deformation angle.
Sign flag: ε indicates dependent variable, is fiber sensor measuring value；θ indicates ship rolling；Indicate ship pitching；
Hi、RiRespectively i-th (i=1,2,3, n) and height of lift, pedestal respective radius；It is calculated according to the following formula
It is segmented rolling strain:
It is segmented pitching strain:
It is segmented roll angle
It is segmented pitch angle
Total roll angle
Total pitch angle
The preferred embodiment of the invention is the bar path of the radar vertical section without traditional optical deformation measurement, is needed
Segmentation is cumulative；The measurement method is based on fiber Bragg grating sensor and is close to the segmentation installation of measured structure part, without straight-through
Optical path.
The preferred embodiment of the invention is in addition, the methods of measurement and calculation is existed based on fiber Bragg grating sensor
Ship larboard, starboard and the stem side of a ship, ship stern side of a ship direction mounting design scheme, realize to the transverse direction of radar pedestal vertical section and vertical
To deformation measurement.
The above is only a preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, without departing from the technical principles of the invention, several improvements and modifications can also be made, these improvements and modifications
Also it should be regarded as protection scope of the present invention.
Claims (3)
1. a kind of boat-carrying Large Radar pedestal vertical section deformation measurement method, which is characterized in that the measurement method is along ship
Fiber Bragg grating sensor is segmented by larboard, starboard and the stem side of a ship, ship stern side of a ship direction, symmetrical veneer is installed on radar pedestal
The inner wall of bucket wall, determines deformation measurement and calculation method, including following measuring process according to mount scheme:
Step 1 determines sensor mount position: will be used for larboard of the fibre optical sensor along ship, starboard and the ship of deformation measurement
The four line segmentation installations up and down of the bow side of a ship, ship stern side of a ship direction, determine segmentation position and installation according to shipborne radar pedestal object construction
Position, the basic principle of segmentation presses structural member junction and straight line can not be by place as segmentation position or separation；It is each adjacent
It is small to negligible without deformation or deflection between the adjacent connection welding of segmentation fibre optical sensor；
Step 2 determines sensor type: selected sensor is determined according to the upper-lower height at tested position, within 20cm
Strain measurement uses general strain gauge, and for 20~100cm using amplification strain gauge, 100cm's or more uses high-precision displacement meter；
Step 3, sensor installation: being marked installation position determined by step 1, and derusted to installation point periphery,
It polishes, stud is installed using welding machine spot welding sensor, suitable work is selected according to installation position feature and scheduled sensor type
Dress；
Step 4, sensor connection: sensors in series number of nodes ability is acquired according to the every Channel Synchronous of test equipment, respectively will
If more sensor fiber connectors on ship larboard, starboard, the stem side of a ship, the ship stern abeam four installation sides of a ship are serially connected welding and are
Dry item, the combination that each node data easily reads and compares；
Step 5, data acquisition and Deformation calculation: after the completion of installation connection, test equipment is opened, each sensor of synchronous acquisition is answered
Variable data；Since Ship Swaying and deformation are commonly defined as ship larboard, starboard and the stem side of a ship, ship stern side of a ship direction, according to side
The azimuth of the definition that parallactic angle stem side of a ship direction is 0 degree, 4 survey sides of a ship is denoted as 0 degree, 90 degree, 180 degree, 270 degree respectively, utilizes four
A typical directions strain value and structural mechanics principle calculate the rolling of radar pedestal vertical direction, pitch deformation angle；
Sign flag: ε indicates dependent variable, is fiber sensor measuring value；θ indicates ship rolling；Indicate ship pitching；Hi、Ri
Respectively i-th (i=1,2,3, n) and height of lift, pedestal respective radius；It is calculated according to the following formula
It is segmented rolling strain:
It is segmented pitching strain:
It is segmented roll angle
It is segmented pitch angle
Total roll angle
Total pitch angle
2. boat-carrying Large Radar pedestal vertical section deformation measurement method according to claim 1, it is characterised in that: the thunder
Bar path up to vertical section without traditional optical deformation measurement need to be segmented cumulative；The measurement method is based on optical fiber Bragg light
Gate sensor is close to the segmentation installation of measured structure part, is not necessarily to bar path.
3. boat-carrying Large Radar pedestal vertical section deformation measurement method according to claim 1, it is characterised in that: the survey
The installation of amount and calculation method based on fiber Bragg grating sensor in ship larboard, starboard and the stem side of a ship, ship stern side of a ship direction
Design scheme realizes the horizontal and vertical deformation measurement to radar pedestal vertical section.
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| CN201810666772.7A CN109061583B (en) | 2018-06-26 | 2018-06-26 | Deformation measurement method for vertical section of shipborne large radar base |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111008446A (en) * | 2019-12-06 | 2020-04-14 | 北京京航计算通讯研究所 | Speed optimization system based on grid ship position layout calculation |
| CN111186676A (en) * | 2019-08-23 | 2020-05-22 | 中国人民解放军32181部队 | Safety transportation process for sea defense radar |
| CN112985479A (en) * | 2021-02-09 | 2021-06-18 | 山东省科学院海洋仪器仪表研究所 | Real-time health condition monitoring system and method for ocean buoy communication antenna |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2934835A (en) * | 1954-02-09 | 1960-05-03 | Communications Patents Ltd | Radar simulation or the like |
| CN103322969A (en) * | 2013-05-30 | 2013-09-25 | 中国科学院长春光学精密机械与物理研究所 | Method for measuring antenna deformation of ship-borne radio measuring equipment |
| CN105115437A (en) * | 2015-08-06 | 2015-12-02 | 中国电子科技集团公司第三十八研究所 | Real-time deformation measurement system of airborne radar integration antenna and method |
| CN109682348A (en) * | 2019-02-20 | 2019-04-26 | 天津师范大学 | Fiber-optic grating sensor and application for hull rolling and pitching measurement |
-
2018
- 2018-06-26 CN CN201810666772.7A patent/CN109061583B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2934835A (en) * | 1954-02-09 | 1960-05-03 | Communications Patents Ltd | Radar simulation or the like |
| CN103322969A (en) * | 2013-05-30 | 2013-09-25 | 中国科学院长春光学精密机械与物理研究所 | Method for measuring antenna deformation of ship-borne radio measuring equipment |
| CN105115437A (en) * | 2015-08-06 | 2015-12-02 | 中国电子科技集团公司第三十八研究所 | Real-time deformation measurement system of airborne radar integration antenna and method |
| CN109682348A (en) * | 2019-02-20 | 2019-04-26 | 天津师范大学 | Fiber-optic grating sensor and application for hull rolling and pitching measurement |
Non-Patent Citations (1)
| Title |
|---|
| 蔡建军等: "船载遥测设备海上动态标校方法", 《中国科技信息》 * |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111186676A (en) * | 2019-08-23 | 2020-05-22 | 中国人民解放军32181部队 | Safety transportation process for sea defense radar |
| CN111186676B (en) * | 2019-08-23 | 2023-06-20 | 中国人民解放军32181部队 | Sea defense radar installation and transportation technology |
| CN111008446A (en) * | 2019-12-06 | 2020-04-14 | 北京京航计算通讯研究所 | Speed optimization system based on grid ship position layout calculation |
| CN111008446B (en) * | 2019-12-06 | 2023-03-10 | 北京京航计算通讯研究所 | Speed optimization system based on grid ship position layout calculation |
| CN112985479A (en) * | 2021-02-09 | 2021-06-18 | 山东省科学院海洋仪器仪表研究所 | Real-time health condition monitoring system and method for ocean buoy communication antenna |
| CN112985479B (en) * | 2021-02-09 | 2022-07-08 | 山东省科学院海洋仪器仪表研究所 | Real-time health condition monitoring system and method for ocean buoy communication antenna |
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| CN109061583B (en) | 2020-05-19 |
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