CN109004362A - It is a kind of based on multi-point displacement adjust satellite antenna in rail type face active control device - Google Patents
It is a kind of based on multi-point displacement adjust satellite antenna in rail type face active control device Download PDFInfo
- Publication number
- CN109004362A CN109004362A CN201810638644.1A CN201810638644A CN109004362A CN 109004362 A CN109004362 A CN 109004362A CN 201810638644 A CN201810638644 A CN 201810638644A CN 109004362 A CN109004362 A CN 109004362A
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- Prior art keywords
- antenna
- face
- actuator
- reflective face
- rail type
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q3/00—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system
- H01Q3/02—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system using mechanical movement of antenna or antenna system as a whole
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q19/00—Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic
- H01Q19/10—Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic using reflecting surfaces
- H01Q19/12—Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic using reflecting surfaces wherein the surfaces are concave
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- Aerials With Secondary Devices (AREA)
- Details Of Aerials (AREA)
Abstract
The invention discloses a kind of satellite antennas adjusted based on multi-point displacement in rail type face active control device, including antenna reflective face, support backrest, actuator, measuring system and controller, antenna reflective face is mounted in support backrest by multiple groups actuator, the output end of actuator is mounted on the back side of antenna reflective face, ontology is mounted in support backrest, measuring system is for measuring the deformation of antenna reflective face, measurement result is supplied to controller, controller needs to export control command to actuator according to precision, the displacement adjusting movement of push/pull can be achieved in every group of actuator, antenna reflective face local profile is adjusted.The present invention can be achieved satellite antenna in rail type face precision real-time control, effectively inhibit in-orbit dramatic temperature field variation bring antenna deformation, improve the type face precision and beam efficiency of antenna.
Description
Technical field
The present invention relates to space industry, specifically a kind of satellite antenna adjusted based on multi-point displacement is actively controlled in rail type face
Device processed.
Background technique
In Modern Satellite application field, the mission modes such as in-orbit communication transfer, microwave remote sensing, electromagnetism investigation, optical detection
It occupies an important position, the satellite for executing similar tasks must install large aperture antenna.In order to obtain higher reception emission effciency,
Detection efficient and detection accuracy are effectively improved, it is also higher and higher to the type face required precision of antenna.
When spacecraft orbits the earth, orbital position and posture constantly change, and the Space Heat Flux that it is received is also therewith
Periodic variation is showed, in addition the influence of the various hiding relations between track shadow region and structure member, in antenna
Periodically cold and hot variation and transient state temperature field unevenly distributed can be generated in structure, to make antenna structure in rail type face precision
It changes.To avoid in-orbit deformation from causing irreversible and unrepairable influence to day line style face precision, it is necessary to realize day
The in-orbit adjustment of line and self-repairing capability realize the active control of antenna precision by satellite antenna type face Accuracy Control
System.
Summary of the invention
For the demand, the present invention provides a kind of satellite antennas adjusted based on multi-point displacement actively to control in rail type face
Device processed, towards target be Ka wave band with super band, antenna aperture is greater than 1 meter, and day line style face control precision reaches submillimeter
Grade, micron order.
The present invention is realized especially by following technical scheme:
A kind of satellite antenna adjusted based on multi-point displacement is in rail type face active control device, including antenna reflective face, branch
Backrest, actuator, measuring system and controller are supportted, the antenna reflective face is mounted in support backrest by multiple groups actuator,
The output end of the actuator is mounted on the back side of antenna reflective face, and ontology is mounted in support backrest, measuring system for pair
The deformation of antenna reflective face measures, and measurement result is supplied to controller, controller needs to export control according to precision
Actuator is arrived in system order, and every group of actuator can be achieved the displacement adjusting movement of push/pull, carry out to antenna reflective face local profile
Adjustment；In the course of work, the in-orbit monitoring of measuring system and the in-orbit deformation for knowing antenna reflective face, controller is according to input
Deformation result calculate the movement and step for correcting deformation, multiple actuator are according to the instruction of controller to the different location of antenna
The displacement adjusting movement for carrying out push/pull, completes the correction to antenna deformation.
Preferably, the antenna reflective face is rigid or semi-rigid antenna reflective face, curved surface features be the paraboloid of revolution or
Cylindro-parabolic or hyperboloid or plane, using metal decking or aluminum honeycomb aluminum deck sandwich or aluminum honeycomb carbon fiber
Panel sandwich or carbon honeycomb carbon fiber face sheets sandwich or semi-rigid composite material reticular structure.
Preferably, the support backrest is rigid truss structure, is spliced using low bulk carbon fibre member bar, is had
The feature that rail thermal deformation is small, rigidity is big, light-weight.
Preferably, the measuring system uses image recognition or contact measurement method, deformation, temperature to antenna reflective face
Degree, strain measure.
Due to the technical solution more than using, make the invention has the following advantages:
It is spaceborne day 1. the invention proposes the satellite antennas adjusted based on multi-point displacement in rail type face active control device
Active accommodation of the line in rail type face provides technical solution, and the in-orbit high-precision degree type face for realizing satellite antenna requires, and has
Effect improves the operation on orbit efficiency of satellite antenna.
2. backrest is supported to use low deformation carbon fiber structural, system stiffness is effectively improved, is provided for antenna reflective face
Good installation support and the control support of type face.
Detailed description of the invention
Fig. 1 satellite antenna type face accuracy control system schematic diagram；
Fig. 2 satellite antenna type face accuracy control system schematic diagram；
In figure: 1- antenna reflective face；2- supports backrest；3- actuator；4- measuring system；5- controller.
Specific embodiment
Elaborate with reference to the accompanying drawing to the embodiment of the present invention: the present embodiment before being with technical solution of the present invention
It puts and is implemented, the detailed implementation method and specific operation process are given, but protection scope of the present invention is not limited to down
The embodiment stated.
As Figure 1-Figure 2, the embodiment of the invention provides a kind of satellite antennas adjusted based on multi-point displacement in rail type
Face active control device, including antenna reflective face 1, support backrest 2, actuator 3, measuring system 4 and controller 5, the antenna
Reflecting surface 1 is mounted in support backrest 2 by multiple groups actuator 3, and the output end of the actuator 3 is mounted on antenna reflective face 1
The back side, ontology is mounted in support backrest 2, and measuring system 4, will for measuring to the deformation of antenna reflective face 1
Measurement result is supplied to controller 5, and controller 5 needs to export control command to actuator, every group of actuator 3 according to precision
The displacement adjusting movement for realizing push/pull, is adjusted 1 local profile of antenna reflective face；
The antenna reflective face is rigid or semi-rigid antenna reflective face, and curved surface features are that the paraboloid of revolution or column are thrown
Object plane or hyperboloid or plane are pressed from both sides using metal decking or aluminum honeycomb aluminum deck sandwich or aluminum honeycomb carbon fiber face sheets
Layer structure or carbon honeycomb carbon fiber face sheets sandwich or semi-rigid composite material reticular structure.
The support backrest is rigid truss structure, is spliced using low-expansion material carbon fiber, invar, is had in-orbit
The feature that thermal deformation is small, rigidity is big, light-weight.
The measuring system uses image recognition or contact measurement method, to the deformation of antenna reflective face, temperature, strain
It measures, measurement result is supplied to controller, controller is necessary to determine whether that executing adjustment acts according to precision.It needs to adjust
Multiple groups actuator is controlled when whole and carries out step-wise adjustment, and the deviation according to point of adjustment apart from ideal position determines the single step of actuator
Output shift quantity realizes the type face precision controlling to antenna reflective face by continuous iterative.
The invention proposes the satellite antennas adjusted based on multi-point displacement in rail type face active control device, is controlled by active
Technology processed solves the problems, such as satellite antenna type face accuracy decline caused by in-orbit thermal deformation, answers for the in-orbit of high-precision satellite antenna
With system scheme is provided, the control and guarantee of grade, submillimeter level, micron order day line style face precision can be realized,
Versatility with higher.
Specific embodiments of the present invention are described above.It is to be appreciated that the invention is not limited to above-mentioned
Particular implementation, those skilled in the art can make various deformations or amendments within the scope of the claims, this not shadow
Ring substantive content of the invention.
Claims (4)
1. a kind of satellite antenna adjusted based on multi-point displacement is in rail type face active control device, which is characterized in that including antenna
Reflecting surface (1), support backrest (2), actuator (3), measuring system (4) and controller (5), the antenna reflective face (1) pass through
Multiple groups actuator (3) is mounted in support backrest (2), and the output end of the actuator (3) is mounted on the back of antenna reflective face (1)
Face, ontology are mounted in support backrest (2), and measuring system (4) is used to measure the deformation of antenna reflective face (1),
Measurement result is supplied to controller (5), controller (5) needs to export control command to actuator, every group of actuation according to precision
The displacement adjusting movement of push/pull can be achieved in device (3), is adjusted to antenna reflective face (1) local profile.
2. the satellite antenna as described in claim 1 based on multi-point displacement adjusting is in rail type face active control device, feature
It is, the antenna reflective face (1) is rigid or semi-rigid antenna reflective face, and curved surface features are that the paraboloid of revolution or column are thrown
Object plane or hyperboloid or plane are pressed from both sides using metal decking or aluminum honeycomb aluminum deck sandwich or aluminum honeycomb carbon fiber face sheets
Layer structure or carbon honeycomb carbon fiber face sheets sandwich or semi-rigid composite material reticular structure.
3. the satellite antenna as described in claim 1 based on multi-point displacement adjusting is in rail type face active control device, feature
It is, the support backrest (2) is rigid truss structure, is spliced using low bulk carbon fibre member bar.
4. the satellite antenna as described in claim 1 based on multi-point displacement adjusting is in rail type face active control device, feature
Be, the measuring system (4) use image recognition or contact measurement method, to the deformation of antenna reflective face (1), temperature,
Strain measures.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810638644.1A CN109004362A (en) | 2018-06-20 | 2018-06-20 | It is a kind of based on multi-point displacement adjust satellite antenna in rail type face active control device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810638644.1A CN109004362A (en) | 2018-06-20 | 2018-06-20 | It is a kind of based on multi-point displacement adjust satellite antenna in rail type face active control device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109004362A true CN109004362A (en) | 2018-12-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810638644.1A Pending CN109004362A (en) | 2018-06-20 | 2018-06-20 | It is a kind of based on multi-point displacement adjust satellite antenna in rail type face active control device |
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| CN (1) | CN109004362A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109975832A (en) * | 2019-01-30 | 2019-07-05 | 上海卫星工程研究所 | The description method of satellite-borne microwave remote sensing instrument malformation |
| CN111300068A (en) * | 2019-12-02 | 2020-06-19 | 北京航空航天大学 | High-precision manufacturing method of large-size double-curvature reflecting panel |
| CN112928426A (en) * | 2021-02-25 | 2021-06-08 | 上海卫星工程研究所 | Large-scale deployable satellite antenna profile precision in-orbit active control device and method |
| CN112993588A (en) * | 2021-02-24 | 2021-06-18 | 北京卫星制造厂有限公司 | Low-stress processing method for large-size high-precision antenna interface |
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| US20020190918A1 (en) * | 2001-06-12 | 2002-12-19 | Harris Corporation | Deployable reflector antenna with tensegrity support architecture and associated methods |
| CN105206941A (en) * | 2015-08-31 | 2015-12-30 | 西安电子科技大学 | Electromechanical coupling-based direction adjustment method of large-scale forming double-reflection surface antenna |
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2018
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| US20020190918A1 (en) * | 2001-06-12 | 2002-12-19 | Harris Corporation | Deployable reflector antenna with tensegrity support architecture and associated methods |
| CN105206941A (en) * | 2015-08-31 | 2015-12-30 | 西安电子科技大学 | Electromechanical coupling-based direction adjustment method of large-scale forming double-reflection surface antenna |
| CN107221755A (en) * | 2017-04-22 | 2017-09-29 | 西安电子科技大学 | It is a kind of from resilience reconfigurable satellite-borne deployable antenna |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109975832A (en) * | 2019-01-30 | 2019-07-05 | 上海卫星工程研究所 | The description method of satellite-borne microwave remote sensing instrument malformation |
| CN109975832B (en) * | 2019-01-30 | 2021-08-17 | 上海卫星工程研究所 | Method for describing structural deformation of satellite-borne microwave remote sensing instrument |
| CN111300068A (en) * | 2019-12-02 | 2020-06-19 | 北京航空航天大学 | High-precision manufacturing method of large-size double-curvature reflecting panel |
| CN112993588A (en) * | 2021-02-24 | 2021-06-18 | 北京卫星制造厂有限公司 | Low-stress processing method for large-size high-precision antenna interface |
| CN112993588B (en) * | 2021-02-24 | 2022-09-06 | 北京卫星制造厂有限公司 | Low-stress processing method for large-size high-precision antenna interface |
| CN112928426A (en) * | 2021-02-25 | 2021-06-08 | 上海卫星工程研究所 | Large-scale deployable satellite antenna profile precision in-orbit active control device and method |
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