CN112729337A - Method for measuring precision single prism - Google Patents
Method for measuring precision single prism Download PDFInfo
- Publication number
- CN112729337A CN112729337A CN202011535652.7A CN202011535652A CN112729337A CN 112729337 A CN112729337 A CN 112729337A CN 202011535652 A CN202011535652 A CN 202011535652A CN 112729337 A CN112729337 A CN 112729337A
- Authority
- CN
- China
- Prior art keywords
- prism
- target ball
- laser tracker
- liftable
- axis
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000000034 method Methods 0.000 title claims abstract description 25
- 238000004891 communication Methods 0.000 claims description 12
- 238000012360 testing method Methods 0.000 claims description 4
- 238000005259 measurement Methods 0.000 abstract description 15
- 238000013461 design Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Images
Classifications
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Length Measuring Devices By Optical Means (AREA)
Abstract
The invention belongs to the technical field of aerospace, and particularly relates to a measuring method of a precision single-machine prism. A measuring method of a precision single-machine prism comprises the following steps: placing a satellite at a measuring station, placing a laser tracker and two liftable target ball supports at preset positions, respectively placing a first target ball and a second target ball on the two liftable target ball supports, and adjusting the heights of the two liftable target ball supports; aligning a reference prism of a satellite by using a laser tracker to obtain a reference prism axis; aligning a laser tracker to a prism to be measured on the precision single machine to obtain the axis of the prism to be measured; and calculating the included angle between the axis of the reference prism and the axis of the prism to be measured. The invention can effectively solve the problems of small online measurement angle range and more required equipment and personnel by using the theodolite, and simultaneously eliminates the human error of a method for measuring by using the theodolite by more people, thereby reducing the operation of the personnel on the equipment and improving the measurement precision.
Description
Technical Field
The invention belongs to the technical field of aerospace, and particularly relates to a measuring method of a precision single-machine prism.
Background
In the AIT integration process of the satellite, repeated measurement under different states is required to be carried out on a precision stand-alone prism on the satellite, and the most important precision stand-alone prism on the satellite is a star sensor. Taking the star sensor as an example, the assembly precision of the general star sensor is superior to 6', and the angle relation between the measured prism and the reference prism is obtained by online measurement through 4 theodolites at the present stage mainly by adopting a theodolite collimation measurement technology.
There are two main disadvantages to using a theodolite to measure the prism angular relationship on line:
1) the design angle of the star sensor on the star exceeds the measurement angle range of the theodolite. The arrangement direction of some satellites on the ground enables the included angle between the star sensor and the earth level to exceed the measurement angle range of the theodolite, and measurement cannot be conducted.
2) The number of theodolites is large, and the number of measuring personnel is large. The on-line station building measurement of theodolite generally needs 4 theodolites and 4 operating personnel, needs to collimate to two faces of the prism to be measured and the reference prism respectively, and then aims each other between the two theodolites. And calculating to measure a prism, and collimating 7 times to finish measuring data once. For the same prism, in order to eliminate the accumulated error, repeated measurement is generally required 3 times, and thus one prism measurement needs to be collimated 21 times to be completed.
Disclosure of Invention
The invention aims to solve the technical problems that the existing method for measuring the prism by the theodolite on line needs too many devices and personnel and the design angle of a precision single machine exceeds the measurement angle range of the theodolite, and provides a method for measuring the precision single machine prism.
A measuring method of a precision single-machine prism comprises the following steps:
placing a satellite at a measuring station, placing a laser tracker and two liftable target ball supports at preset positions, respectively placing a first target ball and a second target ball on the two liftable target ball supports, and adjusting the heights of the two liftable target ball supports;
aligning a reference prism of a satellite by using the laser tracker to obtain a reference prism axis;
aligning the laser tracker to the prism to be measured on the precision single machine to obtain the axis of the prism to be measured;
and calculating the included angle between the axis of the reference prism and the axis of the prism to be measured.
Placing laser tracker, two liftable target ball supports in preset position, placing first target ball and second target ball in two respectively on the liftable target ball support, adjust two liftable target ball support height includes:
placing the laser tracker at a position where both the reference prism and the prism to be measured can be aligned, and placing the two liftable target ball supports at the side edge of the reference prism and the side edge of the prism to be measured respectively;
adjusting the liftable target ball support on the side edge of the reference prism to enable the laser tracker to reflect light into the first target ball through the reference prism;
adjust survey prism side liftable target ball support makes laser tracker can pass through survey prism reflects light to the second target ball in.
The using the laser tracker to align a reference prism of a satellite to obtain a reference prism axis includes:
when the first target ball receives light of the laser tracker, the laser tracker is used for collecting coordinates of a point A on the first target ball, the laser tracker is used for directly aligning to the first target ball, the laser tracker is used for collecting coordinates of a point B on the first target ball, connecting the point A with the point B to obtain a straight line L1, and the straight line L1 is the axis of the reference prism.
Use the prism under test on the laser tracker alignment precision unit obtains the prism axis under test, includes:
after the second target ball receives the light of the laser tracker, the laser tracker is used for collecting coordinates of a point C on the second target ball, the laser tracker is directly aligned to the second target ball, the laser tracker is used for collecting coordinates of a point D on the second target ball, connecting the point C with the point D to obtain a straight line L2, and the straight line L2 is the axis of the prism to be measured.
The precision single machine is a star sensor, and the prism to be measured is a prism to be measured on the star sensor.
And the signal output end of the laser tracker is connected with a signal processor, and the signal processor is used for calculating the included angle between the axis of the reference prism and the axis of the prism to be measured.
The liftable target ball support comprises a base used for supporting, a lifting mechanism is arranged in the base, the lifting end of the lifting mechanism extends out of the top surface of the base, a supporting seat used for placing a target ball is fixed at the top of the lifting end of the lifting mechanism, the lifting mechanism is lifted to drive the supporting seat to move up and down, and then the target ball on the supporting seat is driven to move up and down.
The lifting mechanism can adopt an air cylinder mechanism, a piston rod of the air cylinder mechanism is the lifting end, the piston rod is vertically arranged, and the top of the piston rod is fixed with the supporting seat.
And a supporting groove for placing a target ball is dug in the upper surface of the supporting seat.
The control end of the lifting mechanism is connected with a lifting button and a descending button which are respectively arranged on the surface of the base. The height of the lifting end is controlled by a lifting button and a lowering button.
The control end of the lifting mechanism is connected with the wireless communication module, communication is established between the wireless communication module and an external control device, a lifting or descending control signal sent by the external control device is received, and then the height of the lifting end is controlled.
The wireless communication module is a wifi module or a Bluetooth module.
The positive progress effects of the invention are as follows: the invention adopts a measuring method of a precision single prism, can effectively solve the problems of small online measuring angle range and more required equipment and personnel by using the theodolite, and simultaneously eliminates the human error of the measuring method by using the theodolite by a plurality of people, thereby reducing the operation of the personnel on the equipment and improving the measuring precision.
Drawings
FIG. 1 is a schematic view of a measurement according to the present invention.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific drawings.
Referring to fig. 1, a method for measuring a precision stand-alone prism uses a laser tracker 1, two target balls, namely a first target ball 21 and a second target ball 22, and two liftable target ball supports 3, and adopts the following steps to measure:
s1, placing the satellite at the measuring station, placing the laser tracker 1 and the two liftable target ball supports 3 at preset positions, respectively placing the first target ball 21 and the second target ball 22 on the two liftable target ball supports 3, and adjusting the heights of the two liftable target ball supports 3.
In this step, the laser tracker 1 is placed at the position where both the reference prism 4 of the satellite and the prism 5 to be measured on the stand-alone prism can be aligned, and the two liftable target ball supports 3 are respectively placed at the side edge of the reference prism 4 and the side edge of the prism 5 to be measured. The liftable target ball support 3 of the side of the reference prism 4 is adjusted, so that the laser tracker 1 can reflect light rays into the first target ball 21 through the reference prism 4. The liftable target ball support 3 on the side of the prism 5 to be measured is adjusted, so that the laser tracker 1 can reflect light rays into the second target ball 22 through the prism 5 to be measured. So that the height adjustment of the two liftable target ball supports 3 is completed.
S2, the reference prism 4 of the satellite is aligned with the laser tracker 1, and the reference prism axis is obtained.
Specifically, after the first target ball 21 receives the light from the laser tracker 1, the laser tracker 1 is used to collect coordinates of a point a on the first target ball 21, the laser tracker 1 is used to directly align the first target ball 21, the laser tracker 1 is used to collect coordinates of a point B on the first target ball 21, the point a and the point B are connected to obtain a straight line L1, and the straight line L1 is the axis of the reference prism. Points a and B of this step are the positions of the light received by the first target ball 21, respectively.
This step can be through the signal processor 6 signal output end of connecting laser tracker 1, and laser tracker 1 sends the coordinate of point A and B that gathers respectively to signal processor 6, obtains straight line L1 behind signal processor 6 tie point A and the point B. The signal processor 6 may be a computer terminal with a display screen to facilitate subsequent viewing of the measurement results.
S3, the laser tracker 1 is used to align the prism 5 to be measured on the precision stand-alone, and the prism axis to be measured is obtained.
Specifically, after the second target ball 22 receives the light from the laser tracker 1, the laser tracker 1 is used to collect the coordinates of the point C on the second target ball 22, the laser tracker 1 is used to directly align the second target ball 22, the laser tracker 1 is used to collect the coordinates of the point D on the second target ball 22, connect the point C with the point D, and obtain the straight line L2, where the straight line L2 is the axis of the prism to be measured. The laser tracker 1 can send the collected coordinates of the point C and the point D to the signal processor 6, and the signal processor 6 connects the point C and the point D to obtain a straight line L2. Points C and D of this step are the positions of the light rays received by the second target ball 22, respectively.
The precision single machine is a star sensor, and the prism to be measured is a prism to be measured on the star sensor. The precision single machine can also be a prism of other precision single machines, the method is not limited to the measurement of the star sensor prism, and for the prisms of other precision single machines, if the design angle exceeds the range of the theodolite, the method can also be adopted.
And S4, calculating the included angle between the axis of the reference prism and the axis of the measured prism.
The included angle in this step is the included angle of the prism 5 to be measured on the precision single machine. In the step, the included angle between the axis of the reference prism and the axis of the prism to be measured can be calculated through the signal processor 6, and the calculation result is displayed through the display screen.
The liftable target ball support 3 comprises a base for supporting, wherein a lifting mechanism is arranged in the base, the lifting end of the lifting mechanism extends out of the top surface of the base, a supporting seat for placing a target ball is fixed at the top of the lifting end of the lifting mechanism, and the lifting mechanism is lifted to drive the supporting seat to move up and down so as to drive the target ball on the supporting seat to move up and down.
The lifting mechanism can adopt an air cylinder mechanism, a piston rod of the air cylinder mechanism is a lifting end, the piston rod is vertically arranged, and the top of the piston rod is fixed with the supporting seat. The upper surface of the supporting seat is dug with a supporting groove for placing a target ball.
The control end of the lifting mechanism can be connected with a lifting button and a descending button which are respectively arranged on the surface of the base. The height of the lifting end is controlled by a lifting button and a lowering button. The control end of the lifting mechanism can also be connected with the wireless communication module, and the wireless communication module is communicated with an external control device to receive a lifting or descending control signal sent by the external control device so as to control the height of the lifting end. The wireless communication module is a wifi module or a Bluetooth module. The external control device may be the signal processor 6 provided with the wireless communication module, or may be a mobile terminal such as a mobile phone or a tablet computer provided with the wireless communication module.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (10)
1. A method for measuring a precision single-machine prism is characterized by comprising the following steps:
placing a satellite at a measuring station, placing a laser tracker and two liftable target ball supports at preset positions, respectively placing a first target ball and a second target ball on the two liftable target ball supports, and adjusting the heights of the two liftable target ball supports;
aligning a reference prism of a satellite by using the laser tracker to obtain a reference prism axis;
aligning the laser tracker to the prism to be measured on the precision single machine to obtain the axis of the prism to be measured;
and calculating the included angle between the axis of the reference prism and the axis of the prism to be measured.
2. The method for measuring a precision stand-alone prism as claimed in claim 1, wherein the steps of placing the laser tracker and the two liftable target ball supports at predetermined positions, placing the first target ball and the second target ball on the two liftable target ball supports, respectively, and adjusting the heights of the two liftable target ball supports comprise:
placing the laser tracker at a position where both the reference prism and the prism to be measured can be aligned, and placing the two liftable target ball supports at the side edge of the reference prism and the side edge of the prism to be measured respectively;
adjusting the liftable target ball support on the side edge of the reference prism to enable the laser tracker to reflect light into the first target ball through the reference prism;
adjust survey prism side liftable target ball support makes laser tracker can pass through survey prism reflects light to the second target ball in.
3. The method of claim 1, wherein said using said laser tracker to align a reference prism of a satellite to obtain a reference prism axis comprises:
when the first target ball receives light of the laser tracker, the laser tracker is used for collecting coordinates of a point A on the first target ball, the laser tracker is used for directly aligning to the first target ball, the laser tracker is used for collecting coordinates of a point B on the first target ball, connecting the point A with the point B to obtain a straight line L1, and the straight line L1 is the axis of the reference prism.
4. The method as claimed in claim 3, wherein said using said laser tracker to align the prism to be measured on the precision stand-alone to obtain the axis of the prism to be measured comprises:
after the second target ball receives the light of the laser tracker, the laser tracker is used for collecting coordinates of a point C on the second target ball, the laser tracker is directly aligned to the second target ball, the laser tracker is used for collecting coordinates of a point D on the second target ball, connecting the point C with the point D to obtain a straight line L2, and the straight line L2 is the axis of the prism to be measured.
5. The method as claimed in any one of claims 1 to 4, wherein the precision stand-alone prism is a star sensor, and the prism under test is a prism under test on the star sensor.
6. A method as claimed in claim 1, 3 or 4, wherein the signal output terminal of the laser tracker is connected to a signal processor, and the angle between the reference prism axis and the prism axis to be measured is calculated by the signal processor.
7. The method as claimed in claim 1, wherein the liftable target ball holder comprises a base for supporting, a lifting mechanism is disposed in the base, a lifting end of the lifting mechanism extends out of a top surface of the base, a supporting seat for placing the target ball is fixed on a top of the lifting end of the lifting mechanism, and the lifting mechanism is lifted to drive the supporting seat to move up and down, thereby driving the target ball on the supporting seat to move up and down.
8. The method as claimed in claim 7, wherein the lifting mechanism is a cylinder mechanism, a piston rod of the cylinder mechanism is the lifting end, the piston rod is vertically disposed, and a top of the piston rod is fixed to the supporting base;
and a supporting groove for placing a target ball is dug in the upper surface of the supporting seat.
9. The method as claimed in claim 7, wherein the control terminal of the lifting mechanism is connected to a lifting button and a lowering button, and the lifting button and the lowering button are respectively disposed on the surface of the base.
10. The method as claimed in claim 7, wherein the control end of the lifting mechanism is connected to a wireless communication module, and the wireless communication module is used to communicate with an external control device, receive a lifting or lowering control signal from the external control device, and control the height of the lifting end;
the wireless communication module is a wifi module or a Bluetooth module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011535652.7A CN112729337B (en) | 2020-12-23 | 2020-12-23 | Measuring method of precision single prism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011535652.7A CN112729337B (en) | 2020-12-23 | 2020-12-23 | Measuring method of precision single prism |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112729337A true CN112729337A (en) | 2021-04-30 |
| CN112729337B CN112729337B (en) | 2024-05-28 |
Family
ID=75604309
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011535652.7A Active CN112729337B (en) | 2020-12-23 | 2020-12-23 | Measuring method of precision single prism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112729337B (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104344804A (en) * | 2014-10-23 | 2015-02-11 | 上海卫星工程研究所 | Method for measuring single machine pointing accuracy of satellite in simulated zero-gravity state |
| CN104848833A (en) * | 2014-12-04 | 2015-08-19 | 上海卫星装备研究所 | Method for establishing joint measurement system based on electronic theodolite and laser tracker |
| CN105928542A (en) * | 2016-04-15 | 2016-09-07 | 上海微小卫星工程中心 | Manufacturing method of satellite |
| JP2017003292A (en) * | 2015-06-05 | 2017-01-05 | 三菱電機株式会社 | Alignment measurement device and alignment measurement method |
| CN107121123A (en) * | 2017-05-18 | 2017-09-01 | 上海卫星工程研究所 | Satellite precision unit measuring method |
| CN107782293A (en) * | 2017-11-09 | 2018-03-09 | 北京卫星环境工程研究所 | Spacecraft equipment posture information measuring method based on six degree of freedom laser tracking target |
| JP2019132681A (en) * | 2018-01-31 | 2019-08-08 | 株式会社トプコン | Surveying device |
| CN111366902A (en) * | 2020-03-10 | 2020-07-03 | 上海卫星工程研究所 | Satellite thermal deformation test relative pointing change measurement system and method |
| CN111473803A (en) * | 2020-05-27 | 2020-07-31 | 天津科技大学 | Calibration method for mining laser target |
-
2020
- 2020-12-23 CN CN202011535652.7A patent/CN112729337B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104344804A (en) * | 2014-10-23 | 2015-02-11 | 上海卫星工程研究所 | Method for measuring single machine pointing accuracy of satellite in simulated zero-gravity state |
| CN104848833A (en) * | 2014-12-04 | 2015-08-19 | 上海卫星装备研究所 | Method for establishing joint measurement system based on electronic theodolite and laser tracker |
| JP2017003292A (en) * | 2015-06-05 | 2017-01-05 | 三菱電機株式会社 | Alignment measurement device and alignment measurement method |
| CN105928542A (en) * | 2016-04-15 | 2016-09-07 | 上海微小卫星工程中心 | Manufacturing method of satellite |
| CN107121123A (en) * | 2017-05-18 | 2017-09-01 | 上海卫星工程研究所 | Satellite precision unit measuring method |
| CN107782293A (en) * | 2017-11-09 | 2018-03-09 | 北京卫星环境工程研究所 | Spacecraft equipment posture information measuring method based on six degree of freedom laser tracking target |
| JP2019132681A (en) * | 2018-01-31 | 2019-08-08 | 株式会社トプコン | Surveying device |
| CN111366902A (en) * | 2020-03-10 | 2020-07-03 | 上海卫星工程研究所 | Satellite thermal deformation test relative pointing change measurement system and method |
| CN111473803A (en) * | 2020-05-27 | 2020-07-31 | 天津科技大学 | Calibration method for mining laser target |
Also Published As
| Publication number | Publication date |
|---|---|
| CN112729337B (en) | 2024-05-28 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105865426B (en) | A kind of total powerstation of automatic centering and measurement | |
| CN109631826B (en) | Satellite automation precision detection method | |
| CN104568374B (en) | Device for calibrating geometric quantity of static calibration table of wind tunnel balance | |
| CN112964252B (en) | Positioning method and system based on inertial measurement unit and RTK receiver | |
| KR100892442B1 (en) | Surveying system | |
| CN105423086A (en) | Intelligent accurate leveling measurement bearing | |
| EP3961151A1 (en) | Surveying system, staking assistance method, and staking assistance program | |
| EP3945282B1 (en) | Surveying system, staking assistance method, and staking assistance program | |
| CN204613405U (en) | A kind of building operation stadimeter | |
| CN102865861A (en) | Miniature tubular total station | |
| CN112729337A (en) | Method for measuring precision single prism | |
| CN214251030U (en) | Device for measuring prism using laser tracker | |
| CN108532984B (en) | High-precision mounting method for supporting jig frame | |
| CN203422086U (en) | Two-channel level gauge | |
| KR100892440B1 (en) | Surveying system | |
| CN111854800B (en) | Device and method for detecting constant self-calibration and drift amount of gyro north seeker | |
| CN202793396U (en) | Micro tubular total station instrument | |
| CN212540715U (en) | Multifunctional distance measuring instrument | |
| CN112469973A (en) | Measuring terminal, remote controller, measuring assembly and measuring method | |
| CN110657823A (en) | Indoor image type plumb aligner calibrating device | |
| CN218703893U (en) | Data acquisition unmanned aerial vehicle for land surveying and mapping | |
| KR102630365B1 (en) | Digital map production system for improving reliability using field survey data | |
| CN104111060B (en) | Concordant double-observation-channel level gauge | |
| KR102596659B1 (en) | Digital map production system for improving precision and reliability using field survey data | |
| CN216432949U (en) | Measure high big space top surface roughness's of building measuring device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |