CN102506897A - Linear vibration and overload combinatorial testing method and apparatus thereof - Google Patents
Linear vibration and overload combinatorial testing method and apparatus thereof Download PDFInfo
- Publication number
- CN102506897A CN102506897A CN2011103379162A CN201110337916A CN102506897A CN 102506897 A CN102506897 A CN 102506897A CN 2011103379162 A CN2011103379162 A CN 2011103379162A CN 201110337916 A CN201110337916 A CN 201110337916A CN 102506897 A CN102506897 A CN 102506897A
- Authority
- CN
- China
- Prior art keywords
- high speed
- rotating platform
- disc centrifuge
- speed rotating
- centrifuge
- 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
Images
Landscapes
- Testing Of Balance (AREA)
- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
Abstract
The invention provides a linear vibration and overload combinatorial testing method and an apparatus thereof. The apparatus is composed of a disc centrifuge and a high-speed rotation platform. The high-speed rotation platform is arranged on the disc centrifuge. The shaft of the disc centrifuge is parallel to the shaft of the high-speed rotation platform. The testing method comprises the steps that: an inertial instrument requiring testing is arranged on the rotation platform; testing signals are transmitted to a ground monitoring computer through a slide ring; the centrifuge and the high-speed rotation platform are powered up, and null positions are controlled; an input shaft of the inertial instrument is calibrated; a controlling program is started; rotation speeds of the centrifuge and the high-speed rotation platform are adjusted; and the performance of the inertial instrument is analyzed. With the apparatus and the method provided by the invention, technology realization difficulties caused by large weight and volume of a electromagnetic vibration shaker can be greatly reduced; and high-precision testing is realized while environmental test is achieved.
Description
(1) technical field
The present invention relates to measuring technique, is exactly a kind of line vibration and overload combined test method and device thereof specifically.
(2) background technology
The inertial navigation proving installation is the key equipment in inertia type instrument and the inertial measurement system research; With the hydro-extractor be main integrated environment analog machine be a kind of development early, environment and the comprehensive analog machine of mechanical environment faster, it is the combinational environment simulated test facility of main body with the hydro-extractor that the U.S. made in the sixties.But the common practices of this equipment be an end of centrifuge arm install analog temperature, highly, the equipment of humidity, vibration or other environmental baseline.The main application of equipment is: the combinational environment effect that simulated flight device, guided missile warhead, satellite and spaceship etc. stand in launching phase and re-entry phase, research manned vehicle when space flight combinational environment to people's influence.
For a long time, concerning the product of component-level, have a problem all the time:, there is any difference at the end that has influence on to product after individual event environment and the combinational environment effect.Because the latter is the real environmental baseline that product receives, so the test under the combinational environment condition is even more important to the evaluation properties of product.Research shows that line vibration and overload combined test meet the actual environment for use of inertia type instrument and system, and China is starting late aspect the combined environment testing research, with advanced international standard bigger gap is arranged.Because the restriction of technical conditions; Basically adopt individual event environmental test or sequential combination to test at space industry for a long time and replace combined environment testing; Promptly, the linear acceleration environment is provided with hydro-extractor respectively not side by side to receiving trial product the single vibration environment to be provided with shaking table.
Last century late nineteen eighties; Southwest structural mechanics research institute has carried out comparatively deep research to combined environment testing under the linear acceleration; Propose " being fixed on shaking table the equipment set that constitutes on the centrifuge arm; in the laboratory, provided acceleration one vibration complication experiment environment ", but fail successfully too greatly because of technical difficulty eventually trying parts.The Auto-Test System that Lu Shun sets up in its paper " development of accelerometer integrated test system " (Shanghai Communications University's master thesis, 2007) only is applicable to the demarcation test of angular velocimeter, is not integration test; The hydro-extractor of Jia Puzhao design in its paper " stable state acceleration simulation test equipment: hydro-extractor design " (see " spacecraft environment engineering ", 2011,28 rolled up the 2nd phases, page number 194-203) only is applicable to the test of overload or linear acceleration; Li Chunzhi; Li Qisheng; Niu Baoliang its paper " compound down centrifuge structure vibration-testing of centrifugal-vibration and analysis " (see " vibration with impact ", 2008,27 volume supplementary issues; Page number 265-267) points out in normally shaking table system to be placed in realization vibration-centrifugal composite testing in the centrifugal basket through connecting base plate at present, do not provide better testing program; Cui Shenggang has analyzed composition, mathematical model and the control method of line shaking table in its paper " research of line shaking table observing and controlling problem " (Harbin Institute of Technology's master thesis, 2009), this device only is applicable to the test of line vibration; Still heat at its paper " the hydraulic vibration gen systematic study is used in split conductor aeolian vibration test " and (see " hydraulic pressure and pneumatic "; 2003 the 6th phases; Page number 14-17) the hydraulic line shaking table of research equally only is applicable to the test of line vibration in, more than all do not meet the demand of combined test.
(3) summary of the invention
The object of the present invention is to provide a kind of principle simple, realize line vibration easily and overload combined test method and device thereof.
The objective of the invention is to realize like this: described line vibration and overload combined measuring device; It is made up of disc centrifuge and high speed rotating platform; The high speed rotating platform is installed on the disc centrifuge; The shaft parallel of the rotating shaft of disc centrifuge and high speed rotating platform, the rotating speed of the rotating speed of disc centrifuge and high speed rotating platform can be adjusted.
Described line vibration comprises following several steps with overload combined test method:
Step 1: tested inertia type instrument is installed on the high speed rotating platform, and test signal passes to the ground monitoring computing machine through slip ring;
Step 2: power up for disc centrifuge and high speed rotating platform;
Step 3: the input shaft to tested inertia type instrument is demarcated;
Step 4: open the control program of disc centrifuge and high speed rotating platform, according to the rotating speed of test needs adjustment disc centrifuge and high speed rotating platform;
Step 5: according to the performance of the tested inertia type instrument of test data analysis.
The vibration of a kind of line of the present invention and overload combined test method and device thereof, the integrated mode that adds the electric and magnetic oscillation platform based on the line vibration of hydro-extractor and high speed rotating platform and the mechanism of overload combined measuring device and the external generally hydro-extractor of employing at present has difference in essence.It can significantly reduce because the technology that the electromagnetic vibration generator system weight and volume brings greatly realizes difficulty, when accomplishing environmental test, realizes high precision measurement.
(4) description of drawings
Fig. 1 is that line vibration of the present invention is formed synoptic diagram with the overload combined measuring device;
Fig. 2 is line vibration of the present invention and overload combined measuring device principle of work synoptic diagram.
(5) embodiment
For example the present invention is described further below in conjunction with accompanying drawing.
Embodiment 1: combine Fig. 1; A kind of line vibration of the present invention and overload combined measuring device; It is made up of disc centrifuge and high speed rotating platform; The high speed rotating platform is installed on the disc centrifuge, the shaft parallel of the rotating shaft of disc centrifuge and high speed rotating platform, and the rotating speed of the rotating speed of disc centrifuge and high speed rotating platform can be adjusted.
A kind of line vibration of the present invention and overload combined test method, step is following:
Step 1: tested inertia type instrument is installed on the high speed rotating platform, and test signal passes to the ground monitoring computing machine through slip ring;
Step 2: power up for disc centrifuge and high speed rotating platform;
Step 3: the input shaft to tested inertia type instrument is demarcated;
Step 4: open the control program of disc centrifuge and high speed rotating platform, according to the rotating speed of test needs adjustment disc centrifuge and high speed rotating platform;
Step 5: according to the performance of the tested inertia type instrument of test data analysis.
Embodiment 2: combine Fig. 1, and line vibration of the present invention and overload combined test method, step is following:
(1) tested inertia type instrument is installed on the high speed rotating platform; The input shaft benchmark of tested inertia type instrument is aimed at the zero-bit (10 rads of permissible errors) of high speed rotating platform; Connect slip ring and tested inertia type instrument output signal plug on the table top with a test signal cable during installation; Connect the signal seat and the ground monitoring computer acquisition card of centrifugal support again with another root signal cable, the signal of inertia type instrument just is sent to the ground monitoring computing machine through slip ring like this;
(2) power up for disc centrifuge and high speed rotating platform, and it is controlled to zero-bit;
(3) can make the input shaft of tested inertia type instrument and the angle ψ of high speed rotating platform zero-bit after through above-mentioned steps the input shaft of tested inertia type instrument being installed
0=0;
(4) control program of unlatching disc centrifuge and high speed rotating platform is according to the rotating speed of test needs input disc centrifuge and high speed rotating platform; The motor message of the output signal of tested inertia type instrument and disc centrifuge and high speed rotating platform is exported to supervisory control comuter through slip ring in this process, these data under the computer recording;
(5) with the motor message of disc centrifuge and high speed rotating platform signal as a reference; Compare with the output signal of tested inertia type instrument; The response condition of tested inertia type instrument under different excitation signal can be analyzed, thereby the actual performance of tested inertia type instrument can be analyzed in view of the above.
Embodiment 3: combine Fig. 1, Fig. 2, principle of work of the present invention is such:
Among Fig. 2; " 1 " is the disc centrifuge rotary main shaft; " 2 " are high speed rotating platform revolving shaft; " 1 " axle with " 2 " axle parallel and spool between distance be R;
is disc centrifuge rotary main shaft angular velocity of rotation vector;
is high speed rotating platform revolving shaft angular velocity of rotation vector, and the positive dirction of regulation
and
straight up.Because O
2Point is the point on the disc centrifuge disk all the time, so O
2Point does not have Coriolis acceleration and relative acceleration, can be in the hope of O
2The absolute acceleration of some place relative ground pedestal fixed coordinate system does
Its size is R Ω
2, its direction is O
2Point points to the hydro-extractor rotary middle point along centrifugal disc.Because the relative disc centrifuge disk of high speed rotating platform relatively rotates, rotational angular velocity for
then the disc centrifuge input acceleration decompose tested inertia type instrument and import axial acceleration and do
Wherein,
The forward and the centripetal force O of tested inertia type instrument input shaft when beginning to test
2O
1Starting phase angle between the direction.
This shows; When tested inertia type instrument and system are installed on the high speed rotating platform; Can change the overload size through control disc centrifuge main axis rotation angular velocity
value; Change the line vibration frequency through control high speed rotating distal ends angular velocity
, thereby realize line vibration and overload combined test.Can find out from formula (1) formula; Line of the present invention vibration can realize following test function simultaneously with the overload combined measuring device: the overload measurement function: when inertia type instrument and system is installed on the disc centrifuge disk or high speed rotating platform table top on (not rotating), can be used as hydro-extractor and use; The test gyroaccelerometer: when gyroaccelerometer is installed on the high speed rotating platform, the high speed rotating platform is with the counter-rotating of disc centrifuge main shaft, and promptly the high speed rotating platform becomes counter-rotating platform; Line vibration and overload combined test function: when inertia type instrument and system are installed on the high speed rotating platform; Can change the overload size through control disc centrifuge main axis rotation angular velocity
value; Change the line vibration frequency through control high speed rotating distal ends angular velocity
, thereby realize line vibration and overload combined test.
Hydro-extractor of the present invention is not limited to disc type, and the cantilevered hydro-extractor is suitable equally.
Claims (2)
1. a line vibrates and the overload combined measuring device; It is made up of disc centrifuge (1) and high speed rotating platform (2); It is characterized in that: high speed rotating platform (2) is installed on the disc centrifuge (1); The shaft parallel of the rotating shaft of disc centrifuge (1) and high speed rotating platform (2), the rotating speed of the rotating speed of disc centrifuge and high speed rotating platform can be adjusted.
2. line vibration and overload combined test method that realizes by described line vibration of claim 1 and overload combined measuring device, it is characterized in that: step is following:
Step 1: tested inertia type instrument is installed on the high speed rotating platform, and test signal passes to the ground monitoring computing machine through slip ring;
Step 2: power up for disc centrifuge and high speed rotating platform;
Step 3: the input shaft to tested inertia type instrument is demarcated;
Step 4: open the control program of disc centrifuge and high speed rotating platform, according to the rotating speed of test needs adjustment disc centrifuge and high speed rotating platform;
Step 5: according to the performance of the tested inertia type instrument of test data analysis.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110337916.2A CN102506897B (en) | 2011-10-21 | 2011-10-21 | Linear vibration and overload combinatorial testing method and apparatus thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110337916.2A CN102506897B (en) | 2011-10-21 | 2011-10-21 | Linear vibration and overload combinatorial testing method and apparatus thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102506897A true CN102506897A (en) | 2012-06-20 |
| CN102506897B CN102506897B (en) | 2014-07-30 |
Family
ID=46219004
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110337916.2A Active CN102506897B (en) | 2011-10-21 | 2011-10-21 | Linear vibration and overload combinatorial testing method and apparatus thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102506897B (en) |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103148869A (en) * | 2013-02-07 | 2013-06-12 | 哈尔滨工业大学 | High overload and linear vibration composite test device |
| CN104019830A (en) * | 2014-06-17 | 2014-09-03 | 中国航空工业集团公司北京长城计量测试技术研究所 | Standard combined acceleration output device |
| CN105937915A (en) * | 2016-06-14 | 2016-09-14 | 北京航天时代光电科技有限公司 | Method for enhancing navigation precision under carrying optical fiber inertial measurement unit vibration conditions |
| CN105973269A (en) * | 2016-06-02 | 2016-09-28 | 中国工程物理研究院总体工程研究所 | Vibration centrifuging composite experiment device for inertia instrument calibration and testing method |
| CN106706245A (en) * | 2015-07-15 | 2017-05-24 | 北京卫星环境工程研究所 | Vibration-acceleration coupling environment test system used for spacecraft dynamic test |
| CN108387354A (en) * | 2018-01-22 | 2018-08-10 | 航天科工防御技术研究试验中心 | A kind of multi and overload power combined environment testing system |
| CN110440829A (en) * | 2019-08-19 | 2019-11-12 | 哈尔滨工业大学 | A kind of inertia device high overload test device and method |
| CN111781400A (en) * | 2020-07-10 | 2020-10-16 | 哈尔滨工业大学 | Method for calibrating high-order error coefficient of accelerometer |
| WO2021093026A1 (en) * | 2019-11-12 | 2021-05-20 | 苏州苏试试验集团股份有限公司 | Vibration centrifugal composite test apparatus and control method therefor |
| CN113671354A (en) * | 2021-09-03 | 2021-11-19 | 贝兹维仪器(苏州)有限公司 | Circuit board testing device of logging-while-drilling instrument |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101913437A (en) * | 2010-08-02 | 2010-12-15 | 浙江大学 | Multi-parameter compound environmental tester |
| CN102221372A (en) * | 2011-03-25 | 2011-10-19 | 北京航空航天大学 | Method for calibrating error of inertia measurement unit by using centrifugal machine and turntable |
| CN102636183A (en) * | 2012-03-31 | 2012-08-15 | 北京航空航天大学 | Quadratic overload term test method for flexible gyroscope based on optical fiber monitoring and centrifuge with two-axis turntable |
-
2011
- 2011-10-21 CN CN201110337916.2A patent/CN102506897B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101913437A (en) * | 2010-08-02 | 2010-12-15 | 浙江大学 | Multi-parameter compound environmental tester |
| CN102221372A (en) * | 2011-03-25 | 2011-10-19 | 北京航空航天大学 | Method for calibrating error of inertia measurement unit by using centrifugal machine and turntable |
| CN102636183A (en) * | 2012-03-31 | 2012-08-15 | 北京航空航天大学 | Quadratic overload term test method for flexible gyroscope based on optical fiber monitoring and centrifuge with two-axis turntable |
Non-Patent Citations (1)
| Title |
|---|
| 王世明等: "精密离心机的惯性组合加速度计的参数标定方法", 《中国惯性技术学报》 * |
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103148869B (en) * | 2013-02-07 | 2015-07-08 | 哈尔滨工业大学 | High overload and linear vibration composite test device |
| CN103148869A (en) * | 2013-02-07 | 2013-06-12 | 哈尔滨工业大学 | High overload and linear vibration composite test device |
| CN104019830A (en) * | 2014-06-17 | 2014-09-03 | 中国航空工业集团公司北京长城计量测试技术研究所 | Standard combined acceleration output device |
| CN106706245B (en) * | 2015-07-15 | 2019-08-06 | 北京卫星环境工程研究所 | Vibration-acceleration for spacecraft dynamics test couples environmental test system |
| CN106706245A (en) * | 2015-07-15 | 2017-05-24 | 北京卫星环境工程研究所 | Vibration-acceleration coupling environment test system used for spacecraft dynamic test |
| CN105973269A (en) * | 2016-06-02 | 2016-09-28 | 中国工程物理研究院总体工程研究所 | Vibration centrifuging composite experiment device for inertia instrument calibration and testing method |
| CN105937915A (en) * | 2016-06-14 | 2016-09-14 | 北京航天时代光电科技有限公司 | Method for enhancing navigation precision under carrying optical fiber inertial measurement unit vibration conditions |
| CN105937915B (en) * | 2016-06-14 | 2018-12-21 | 北京航天时代光电科技有限公司 | A kind of delivery navigation accuracy method for improving under the used group vibration condition of optical fiber |
| CN108387354A (en) * | 2018-01-22 | 2018-08-10 | 航天科工防御技术研究试验中心 | A kind of multi and overload power combined environment testing system |
| CN110440829A (en) * | 2019-08-19 | 2019-11-12 | 哈尔滨工业大学 | A kind of inertia device high overload test device and method |
| WO2021093026A1 (en) * | 2019-11-12 | 2021-05-20 | 苏州苏试试验集团股份有限公司 | Vibration centrifugal composite test apparatus and control method therefor |
| CN111781400A (en) * | 2020-07-10 | 2020-10-16 | 哈尔滨工业大学 | Method for calibrating high-order error coefficient of accelerometer |
| CN111781400B (en) * | 2020-07-10 | 2021-08-10 | 哈尔滨工业大学 | Method for calibrating high-order error coefficient of accelerometer |
| CN113671354A (en) * | 2021-09-03 | 2021-11-19 | 贝兹维仪器(苏州)有限公司 | Circuit board testing device of logging-while-drilling instrument |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102506897B (en) | 2014-07-30 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102506897A (en) | Linear vibration and overload combinatorial testing method and apparatus thereof | |
| CN104697525B (en) | A kind of attitude angular velocity measurement method based on magnetic suspension control sensitivity gyro configuration | |
| CN102680172B (en) | Dynamic balance control method of large rotary load | |
| Jiménez et al. | Vibration sensing in smart machine rotors using internal MEMS accelerometers | |
| CN102628694B (en) | Control system and control method of single- axis turntable based on inertia device gyroscope and accelerometers | |
| WO2012009198A2 (en) | System and method for assessing the performance of an attitude control system for small satellites | |
| CN105630048B (en) | 3-axis acceleration and temperature synchronisation control means | |
| CN110068876B (en) | Motion error compensation method based on carrier self-vibration aviation gravity gradiometer | |
| CN103323625A (en) | Error calibration compensation method of accelerometers in MEMS-IMU under dynamic environment | |
| CN110145541A (en) | A kind of magnetic suspension bearing rotor copsided operation control method based on phase stabilization | |
| CN102636183A (en) | Quadratic overload term test method for flexible gyroscope based on optical fiber monitoring and centrifuge with two-axis turntable | |
| RU2412873C1 (en) | Method of orienting spacecraft purpose-designed hardware and device to this end | |
| Pedotti et al. | Fault diagnostics in rotary machines through spectral vibration analysis using low-cost MEMS devices | |
| CN102778333A (en) | Method for performing dynamic balance test on large rotating part | |
| CN102879139A (en) | Turntable wire winding torque testing device and testing method | |
| CN105973269A (en) | Vibration centrifuging composite experiment device for inertia instrument calibration and testing method | |
| CN105478245B (en) | The double freedom precision centrifuge countershaft unbalancing value discrimination method detected based on spindle vibration | |
| CN109540452A (en) | A kind of rotating missile arrow Three Degree Of Freedom angular movement simulation test device | |
| CN104569497A (en) | Turntable system for calibration and testing of accelerometer | |
| Hossain et al. | Propeller dynamometer for small unmanned aerial vehicle | |
| Swathy et al. | Analysis of vibration and acoustic sensors for machine health monitoring and its wireless implementation for low cost space applications | |
| Wang et al. | A new vibration mechanism of balancing machine for satellite-borne spinning rotors | |
| Bucher et al. | Multidimensional decomposition of time-varying vibration response signals in rotating machinery | |
| Usubamatov | Mathematical models for principles of gyroscope theory | |
| CN205691137U (en) | Vibration centrifugal composite test device for inertia type instrument calibration |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |