CN106542114B - Lateral mass center high-precision ensuring method of the parallel connection tiling tank satellite in the AIT stage - Google Patents
Lateral mass center high-precision ensuring method of the parallel connection tiling tank satellite in the AIT stage Download PDFInfo
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- CN106542114B CN106542114B CN201610957694.7A CN201610957694A CN106542114B CN 106542114 B CN106542114 B CN 106542114B CN 201610957694 A CN201610957694 A CN 201610957694A CN 106542114 B CN106542114 B CN 106542114B
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- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64G—COSMONAUTICS; VEHICLES OR EQUIPMENT THEREFOR
- B64G1/00—Cosmonautic vehicles
- B64G1/10—Artificial satellites; Systems of such satellites; Interplanetary vehicles
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Abstract
The present invention provides a kind of tiling tank satellite in parallel the AIT stage lateral mass center high-precision ensuring method, comprising: in the Standard stage, control Form and position error, the apogee engine bracket installation error of tank mounting plate；It is welded the stage in propulsion system, control tank error in mounting position, apogee engine installation site and error in pointing；In the whole star general assembly stage, solar array is controlled in the quality and mass center of unfolded state；Before factory, whole star transverse direction mass center is carried out by the whole star mass center test equipment of high-precision and is tested.The present invention implements multinomial lateral mass center safeguard measure in whole star AIT each stage, lateral mass center by satellite in outspreading sailboard original state controls near origin, and improve the determination precision (being less than or equal to 1mm) of satellite transverse direction mass center, reduce the lateral mass center variation of Satellite Orbit Maneuver section, to reduce the disturbance torque of apogee engine generation, ensure to become safely rail, meanwhile, save propellant.
Description
Technical field
The present invention relates to satellite general technical fields, and in particular, to a kind of tiling tank satellite in parallel is in AIT
The lateral mass center high-precision ensuring method in (Assembly Integration and Test, general assembly, integrated and test) stage.
Background technique
What precision was affected, which has tank Form and position error, solar array exhibition, is determined to outspreading sailboard moment satellite transverse direction mass center
Open state mass center error, apogee engine position and error in pointing, mass center test error, the wherein influence of tank Form and position error
Caused by being the particularity as tank parallel connection tiling layout.During Satellite Orbit Maneuver section apogee motor firing, when whole star matter
When the heart is not put on motor power axis in distant, disturbance torque can be generated；With the consumption of propellant, mass center determines precision meeting
It is deteriorated, i.e., error is constantly amplified, and the disturbance torque that apogee engine generates can become larger therewith；Tank parallel connection tiling is defended
For star, the determination error of lateral mass center can be further amplified in the uneven discharge of propellant.Therefore, during satellite AIT
Tank Form and position error, Stretching of solar wings state mass center error, apogee engine position and error in pointing, mass center test are missed
Difference implements control, is the effective means for reducing outspreading sailboard moment satellite transverse direction mass center and determining precision.
Currently, general high rail satellite controls apogee engine position and error in pointing, centroid of satellite test is missed
Difference does not find the systems approach through the whole star AIT stage in 2-3mm to guarantee that satellite transverse direction mass center determines the report of precision
Or technology.
Summary of the invention
For the defects in the prior art, the object of the present invention is to provide a kind of tiling tank satellites in parallel in the AIT stage
Lateral mass center high-precision ensuring method.
Lateral mass center high-precision ensuring method of the tiling tank satellite in parallel provided according to the present invention in the AIT stage, packet
Include following steps:
Step 1: in the Standard stage, controlled by way of Combined machining tank mounting surface to satellite and the rocket parting surfaces away from
From error, the combined planar degree formed with the depth of parallelism of satellite and the rocket parting surface and multiple tank mounting surfaces；Pass through repair and gasket
Mode realize the adjustment to apogee engine bracket, the distance of control apogee engine bracket to satellite and the rocket parting surface is missed
Difference, the depth of parallelism with satellite and the rocket parting surface；
Step 2: being welded the stage in propulsion system, tank position is measured by three-coordinate instrument, and implement according to tank position
Adjustment to tank controls tank distributing position error；By transit survey apogee engine position and direction, with repair
Implement the adjustment to apogee engine with the mode of gasket, controls apogee engine error in mounting position and error in pointing；
Step 3: in the whole star general assembly stage, quality and mass center of the actual measurement solar windsurfing in unfolded state, it is desirable that quality test
Error is less than or equal to 0.2kg, and mass center test error is less than or equal to 3mm；
Step 4: before factory, whole star transverse direction mass center being carried out by the whole star mass center test equipment of high-precision and is tested, ground is lateral
The test error of mass center test macro is less than or equal to 0.5mm.
Preferably, in the Standard stage, the range error for controlling tank mounting surface to satellite and the rocket parting surface is less than or equal to
The parallelism error of 0.5mm and satellite and the rocket parting surface is less than or equal to 1.0mm, and the combined planar degree that multiple tank mounting surfaces are formed misses
Difference is less than or equal to 0.5mm, and the range error of apogee engine bracket to satellite and the rocket parting surface is less than or equal to 0.5mm, divides with the satellite and the rocket
Parallelism error from face is less than or equal to 0.1mm.
Preferably, it is welded the stage in propulsion system, control tank distributing position error is less than or equal to 0.5mm, apogee hair
Motivation error in mounting position is less than or equal to 0.2mm and error in pointing is less than or equal to 1 '.
Compared with prior art, the present invention have it is following the utility model has the advantages that
The present invention implements multinomial lateral mass center safeguard measure in whole star AIT each stage, by satellite in outspreading sailboard initial shape
The lateral mass center of state controls near origin, and improves the determination precision (being less than or equal to 1mm) of satellite transverse direction mass center, reduces and defends
Star becomes the lateral mass center variation of rail section, to reduce the disturbance torque of apogee engine generation, it is ensured that and safety becomes rail, meanwhile,
Save propellant.
Detailed description of the invention
Upon reading the detailed description of non-limiting embodiments with reference to the following drawings, other feature of the invention,
Objects and advantages will become more apparent upon:
Fig. 1 is the flow diagram of method in the present invention；
Fig. 2 is certain satellite model apogee engine and its bracket scheme of installation.
In figure:
1- apogee engine.
Specific embodiment
The present invention is described in detail combined with specific embodiments below.Following embodiment will be helpful to the technology of this field
Personnel further understand the present invention, but the invention is not limited in any way.It should be pointed out that the ordinary skill of this field
For personnel, without departing from the inventive concept of the premise, several changes and improvements can also be made.These belong to the present invention
Protection scope.
The present invention is that the parallel connection that technical solution used by solving its technical problem is to provide tiles tank satellite in AIT rank
The lateral mass center high-precision ensuring method of section, specific as follows:
1) in the Standard stage, the distance for controlling tank mounting surface to satellite and the rocket parting surface by way of Combined machining is missed
Difference is less than or equal to 0.5mm and the parallelism error of satellite and the rocket parting surface is less than or equal to 1.0mm, the group that multiple tank mounting surfaces are formed
It closes flatness error and is less than or equal to 0.5mm；The adjustment to apogee engine bracket is realized by way of repair and gasket, is controlled
The range error of apogee engine bracket processed to satellite and the rocket parting surface is less than or equal to 0.5mm, the depth of parallelism mistake with satellite and the rocket parting surface
Difference is less than or equal to 0.1mm.
2) it is welded the stage in propulsion system, tank position is measured by three-coordinate instrument and implements the adjustment to tank accordingly,
It controls tank distributing position error and is less than or equal to 0.5mm；By transit survey apogee engine position and direction, and
Implement the adjustment to apogee engine in a manner of repair and gasket, control apogee engine error in mounting position is less than etc.
It is less than or equal to 1 ' in 0.2mm and error in pointing.
3) in whole star general assembly stage, quality and mass center of the actual measurement solar windsurfing in unfolded state, it is desirable that quality test error
Less than or equal to 0.2kg, mass center test error is less than or equal to 3mm.
4) before dispatching from the factory, lateral mass center test, the test of ground transverse direction mass center are carried out by the whole star mass center test equipment of high-precision
The test error of system is less than or equal to 0.5mm.
Specifically, four propellant tanks are separately mounted on two pieces of tank mounting plates, two using tiling layout in parallel
The position of oxidant tank indicates that two incendiary agent tank positions are indicated with A2 and B2 with A1 and B1, and being symmetrically distributed in radius is r
On the circle of=960mm.
In the Standard stage, to 4 tank mounting surfaces composition on tank mounting plate by way of Combined machining
Plane is combined processing, so that tank mounting surface to the range error of satellite and the rocket parting surface is less than or equal to 0.5mm, with satellite and the rocket parting surface
Parallelism error be less than or equal to 1.0mm, the combined planar degree error of plane of 4 tank mounting surfaces composition is less than or equal to
0.5mm；The adjustment to apogee engine bracket is realized by way of repair and gasket, makes to send out on apogee engine bracket
The mounting flange face of motivation and the parallelism error of satellite and the rocket parting surface are less than or equal to 0.1mm, apogee engine mounting surface and star
Arrow parting surface range error is less than or equal to 0.5mm.
It is welded the stage in propulsion system, tank position is measured by three-coordinate instrument and implements the adjustment to tank accordingly, make
The installation site of tank meets the requirement of 960 ± 0.5mm of distribution radius, 30 ± 0.05 ° of distribution angle；It is remote by transit survey
Place engine location and direction, and implement in a manner of repair and gasket the adjustment to apogee engine, after marking heat
Coaxially, the installation site deviation of X and Y-direction under co-ordinates of satellite are less than or equal to the thrust vectoring and satellite+Z axis (shown in Fig. 2) arrived
0.2mm, motor power vector and satellite+Z axis angular deviation are less than or equal to 1 '.
In the whole star general assembly stage, quality and mass center of the actual measurement solar windsurfing in unfolded state, it is desirable that quality test error is small
In being equal to 0.2kg, mass center test error is less than or equal to 3mm, controls installation accuracy of the solar array on star.
Before factory, lateral mass center test, ground transverse direction mass center test system are carried out by the whole star mass center test equipment of high-precision
The test error of system is less than or equal to 0.5mm.
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 a variety of changes or modify within the scope of the claims, this not shadow
Ring substantive content of the invention.In the absence of conflict, the feature in embodiments herein and embodiment can any phase
Mutually combination.
Claims (3)
1. a kind of tiling tank satellite in parallel is in the lateral mass center high-precision ensuring method in AIT stage, which is characterized in that including such as
Lower step:
Step 1: in the Standard stage, the distance for controlling tank mounting surface to satellite and the rocket parting surface by way of Combined machining is missed
Difference, the combined planar degree formed with the depth of parallelism of satellite and the rocket parting surface and multiple tank mounting surfaces；Pass through the side of repair and gasket
Formula realizes adjustment to apogee engine bracket, the range error of control apogee engine bracket to satellite and the rocket parting surface, with
The depth of parallelism of satellite and the rocket parting surface；
Step 2: being welded the stage in propulsion system, tank position is measured by three-coordinate instrument, and implement to storage according to tank position
The adjustment of case controls tank distributing position error；By transit survey apogee engine position and direction, with repair and pad
The mode of piece implements the adjustment to apogee engine, controls apogee engine error in mounting position and error in pointing；
Step 3: in the whole star general assembly stage, quality and mass center of the actual measurement solar windsurfing in unfolded state, it is desirable that quality test error
Less than or equal to 0.2kg, mass center test error is less than or equal to 3mm；
Step 4: before factory, whole star transverse direction mass center is carried out by the whole star mass center test equipment of high-precision and is tested, ground transverse direction mass center
The test error of test macro is less than or equal to 0.5mm.
2. lateral mass center high-precision ensuring method of the tiling tank satellite in parallel according to claim 1 in the AIT stage,
Be characterized in that, in the Standard stage, the range error for controlling tank mounting surface to satellite and the rocket parting surface be less than or equal to 0.5mm, with
The parallelism error of satellite and the rocket parting surface is less than or equal to 1.0mm, and the combined planar degree error that multiple tank mounting surfaces are formed is less than etc.
In 0.5mm, the range error of apogee engine bracket to satellite and the rocket parting surface is less than or equal to 0.5mm, flat with satellite and the rocket parting surface
Row degree error is less than or equal to 0.1mm.
3. lateral mass center high-precision ensuring method of the tiling tank satellite in parallel according to claim 1 in the AIT stage,
It is characterized in that, is welded the stage in propulsion system, control tank distributing position error is less than or equal to 0.5mm, apogee engine peace
Holding position error is less than or equal to 0.2mm and error in pointing is less than or equal to 1 '.
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| CN201610957694.7A CN106542114B (en) | 2016-11-03 | 2016-11-03 | Lateral mass center high-precision ensuring method of the parallel connection tiling tank satellite in the AIT stage |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108791957B (en) * | 2018-06-14 | 2020-10-27 | 上海卫星工程研究所 | High-precision real-time identification method for transverse mass center during satellite orbit transfer |
| CN113148235B (en) * | 2020-01-09 | 2023-04-14 | 中国空间技术研究院 | Method for adjusting transverse mass center of satellite of parallel storage box |
| CN111562124B (en) * | 2020-05-07 | 2022-08-09 | 上海宇航系统工程研究所 | Precision measuring method for storage tank flat-laying configuration spacecraft |
| CN112705920B (en) * | 2020-12-16 | 2021-08-10 | 中国科学院微小卫星创新研究院 | Satellite assembling method |
| CN116395148B (en) * | 2023-03-20 | 2023-09-15 | 银河航天(北京)网络技术有限公司 | Satellite and rocket separation control system and control method |
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| CN103693213A (en) * | 2013-12-06 | 2014-04-02 | 上海卫星工程研究所 | Magnetic tape type satellite mass center regulating mechanism |
| CN104401506A (en) * | 2014-10-23 | 2015-03-11 | 上海卫星工程研究所 | Zero-counterweight barycenter deploying method for parallel tiling tank satellite |
| CN104458123A (en) * | 2014-11-03 | 2015-03-25 | 上海卫星工程研究所 | Method for calculating satellite barycenter by utilizing mass and barycenter information of part |
| CN106516167A (en) * | 2016-11-03 | 2017-03-22 | 上海卫星工程研究所 | High precision propellant filling method for high orbit satellite with parallel-connection flat-laid storage tanks |
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| CN103693213A (en) * | 2013-12-06 | 2014-04-02 | 上海卫星工程研究所 | Magnetic tape type satellite mass center regulating mechanism |
| CN104401506A (en) * | 2014-10-23 | 2015-03-11 | 上海卫星工程研究所 | Zero-counterweight barycenter deploying method for parallel tiling tank satellite |
| CN104458123A (en) * | 2014-11-03 | 2015-03-25 | 上海卫星工程研究所 | Method for calculating satellite barycenter by utilizing mass and barycenter information of part |
| CN106516167A (en) * | 2016-11-03 | 2017-03-22 | 上海卫星工程研究所 | High precision propellant filling method for high orbit satellite with parallel-connection flat-laid storage tanks |
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