CN102607590A - Flexible gyro overload term anti-interference testing device based on optical fiber monitoring - Google Patents
Flexible gyro overload term anti-interference testing device based on optical fiber monitoring Download PDFInfo
- Publication number
- CN102607590A CN102607590A CN2012100438712A CN201210043871A CN102607590A CN 102607590 A CN102607590 A CN 102607590A CN 2012100438712 A CN2012100438712 A CN 2012100438712A CN 201210043871 A CN201210043871 A CN 201210043871A CN 102607590 A CN102607590 A CN 102607590A
- Authority
- CN
- China
- Prior art keywords
- optical fibre
- flexible gyroscope
- clamp face
- overload
- flexible
- 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
- Gyroscopes (AREA)
Abstract
The invention discloses a flexible gyro overload term anti-interference testing device based on optical fiber monitoring and belongs to the technical field of inertia device testing. The testing device comprises a testing erection datum plane, a calibration erection datum plane, a flexible gyro mounting base and an optical fibre gyro mounting base and is machined of a monolithic material; and the flexible gyro mounting base and the optical fibre gyro mounting base are arranged in the testing device, and the testing erection datum plane and the calibration erection datum plane are respectively used for being connected with a large overload device. When the testing device is in use, scale factor calibration of tested shafts of the optical fibre gyro and a flexible gyro and large overload testing of the flexible gyro can be performed through the change of an installation manner. Through adoption of the testing device provided by the invention, an sensitive shaft of the optical fibre gyro and the tested shaft of the flexible gyro can be installed in the same direction; based on the characteristic that the optical fibre gyro is insensitive to environment overload, pure flexible gyro overload error data can be obtained, thereby providing available data for overload term error extraction of the flexible gyro.
Description
Technical field
The invention belongs to the inertia device technical field of measurement and test, is an a kind of flexible gyroscope overload anti-interference proving installation based on fiber-optic monitoring specifically.
Background technology
Flexible gyroscope is a kind of mechanical type two-degree(s) of freedom gyroscope, is widely used in the various Navigation, Guidance and Control system.In practical application; Exist in the angular velocity measurement value of flexure gyroscope because the drift error that various disturbance torque produces; Generally form by static drift error, dynamic deviation sum of errors Random Drift Error etc.; The major part that is the flexible gyroscope drift error by the kinetic static drift error of line wherein also is flexible SINS main error.Usually, flexible gyroscope static drift error mainly is made up of zero an inclined to one side error (irrelevant with the environment overload) and a responsive error of specific force (being directly proportional with the first power of environment overload).
Before use, flexible gyroscope must pass through demarcation, obtains each item coefficient in its error mathematic model, and the measured value to flexible gyroscope compensates when navigation calculating then, eliminates the influence of flexible gyroscope drift error.Common scaling method is to utilize twin shaft or three shaft position platforms, adopts multiposition standardization (8 positions, 24 positions or other multiposition) to obtain zero inclined to one side error term and specific force error term of flexible gyroscope.For big overload applied environment, the overload excitation also will be provided through the hydro-extractor on ground, test obtains the numerical value of the responsive error term coefficient of flexible gyroscope specific force under big overload environment.
Yet the testing apparatus of transshipping greatly often is being mingled with the angular velocity interference because factors such as rotating shaft is not parallel, device structure spare elastic deformation, vibration make in its linearity that provides overload.This angular velocity interference meeting is arrived by the flexible gyroscope sensitivity, thereby has influence on the test result of the responsive coefficient of flexible gyroscope specific force.If the magnitude that should disturb surpasses or when suitable with the responsive error of the specific force of flexible gyroscope, can't obtain the responsive error of specific force of flexible gyroscope.So, must take certain device to eliminate the angular velocity that is mingled with in the big overload excitation and disturb.
An existing flexible gyroscope overload method of testing is multiposition standardization (list of references [1]～[3]); Flexible gyroscope is installed on the turntable through switching device; Turntable forwards to after the certain location static then; Therefore, the not measure of anti-dynamic disturbance of its employed switching device, not being suitable for height dynamically has angular velocity to disturb flexible Gyro Calibration and test down.
List of references [1] method for standardization of optimum 8 positions of flexure gyroscope, Chinese invention patent, application number 200810101156.3, publication number CN 101231178A, rich upright, Wang Lingling, Liu Wenli; Optimum 24 position calibration methods of list of references [2] flexure gyroscope static drift error model, Chinese invention patent, Granted publication CN 101377422B, rich upright, Guo Zhiying, Wang Lingling, Liu Wenli; List of references [3] flexure gyroscope static drift zero degree and primary acceleration continuous item error model optimal position calibration method, Chinese invention patent, application publication number CN 101738203A, rich upright, Wang Xinling, Liu Wenli, Wang Lingling.
Summary of the invention
The objective of the invention is in the big overload measurement of flexible gyroscope, utilize this device to realize optical fibre gyro and the coaxial installation of flexible gyroscope to be tested,, reach the purpose of the flexible gyroscope disturbance angle velocity that the abatement apparatus error causes through the monitoring of optical fibre gyro.
Flexible gyroscope overload anti-interference proving installation based on fiber-optic monitoring provided by the invention comprises the test datum clamp face, demarcates datum clamp face, flexible gyroscope mounting base and optical fibre gyro mounting base, is formed by whole block material machining.Flexible gyroscope mounting base and optical fibre gyro mounting base are arranged on proving installation inside.Described test datum clamp face all is provided with mounting hole respectively with demarcating on the datum clamp face, and mounting hole is used for being connected with big overload equipment.The test datum clamp face is orthogonal outer bottom and lateral surface with demarcating datum clamp face.Optical fibre gyro installed surface on the optical fibre gyro mounting base is parallel with the demarcation datum clamp face and vertical with the test datum clamp face.Flexible gyroscope installed surface on the flexible gyroscope mounting base is vertical with the demarcation datum clamp face and parallel with the test datum clamp face, and is vertical with the optical fibre gyro installed surface.Be useful on the threaded hole of flexible gyroscope installation on the flexible gyroscope installed surface, it is vertical and parallel with the optical fibre gyro sensitive axes with the demarcation datum clamp face that the position of threaded hole guarantees that flexible gyroscope is installed its axle to be tested of back.
During use,, can carry out the constant multiplier of optical fibre gyro and flexible gyroscope axle to be tested and demarcate, also can carry out the big overload measurement of flexible gyroscope through the change of mounting means.
The invention has the advantages that:
Realized optical fibre gyro sensitive axes and flexible gyroscope axle to be tested are installed in the same way; Utilize optical fibre gyro that environment is transshipped insensitive characteristics; The output of flexible gyroscope axle to be tested and the output of optical fibre gyro are subtracted each other; Thereby the equipment disturbance angle velocity is removed from flexible gyroscope output, obtained pure flexible gyroscope overload error information, for a flexible gyroscope overload error extracting provides data available.
Description of drawings
Fig. 1 a is the perspective view of proving installation of the present invention;
Fig. 1 b is the structural representation of looking up angle of proving installation of the present invention;
Fig. 2 is the scheme of installation of proving installation of the present invention.
Embodiment
Below in conjunction with accompanying drawing and embodiment the present invention is elaborated.
The present invention provides an a kind of flexible gyroscope overload anti-interference proving installation based on fiber-optic monitoring; Shown in Fig. 1 a, 1b; This device is
shape generally; Comprise test datum clamp face 1, demarcate datum clamp face 2, flexible gyroscope mounting base 3 and optical fibre gyro mounting base 4, form by whole block material machining.Shown in Fig. 1 a, flexible gyroscope mounting base 3 is arranged on proving installation inside with optical fibre gyro mounting base 4.Shown in Fig. 1 b; Described test datum clamp face 1 all is provided with mounting hole 101 and mounting hole 201 respectively with demarcating on the datum clamp face 2, testing datum clamp face 1 is the orthogonal outer bottom and the lateral surface of
shape device with demarcating datum clamp face 2.Optical fibre gyro installed surface 401 on the optical fibre gyro mounting base 4 is parallel and vertical with test datum clamp face 1 with demarcation datum clamp face 2.Flexible gyroscope installed surface 301 on the flexible gyroscope mounting base 3 is vertical and parallel with test datum clamp face 1 with demarcation datum clamp face 2, and is vertical with optical fibre gyro installed surface 401.Four threaded holes 302 that are used for the flexible gyroscope installation are arranged on the flexible gyroscope installed surface 301, and it is vertical and parallel with the optical fibre gyro sensitive axes with demarcation datum clamp face 2 that the position of threaded hole 302 guarantees that flexible gyroscope 6 is installed its axle to be tested of back.During use, demarcate datum clamp face 2 or test datum clamp face 1 and contact,, tighten up through mounting hole 201 or 101 with screw or bolt like Fig. 2 with the installed surface of big overload equipment 5.
During use; Through the change of mounting means, can carry out the constant multiplier of optical fibre gyro and flexible gyroscope axle to be tested and demarcate, also can carry out the big overload measurement of flexible gyroscope; Using proving installation of the present invention to monitor with the constant multiplier of optical fibre gyro and flexible gyroscope axle to be tested demarcates; Monitoring is installed to through screw on the optical fibre gyro installed surface 401 of optical fibre gyro pedestal 4 with optical fibre gyro 7, and flexible gyroscope 6 to be tested is installed on the flexible gyroscope installed surface 301 through screw, when carrying out the constant multiplier test of flexible gyroscope 6; The demarcation datum clamp face 2 of device is fitted with the installed surface of big overload equipment 5, tighten up through mounting hole 201 with screw or bolt.After the constant multiplier test is accomplished; Proving installation of the present invention is pulled down from big overload equipment 5 together with flexible gyroscope 6 and optical fibre gyro 7; Test datum clamp face 1 and the installed surface that big overload equipment 5 provides are fitted; As shown in Figure 2, tighten up through mounting hole 101 with screw or bolt, just can carry out the big overload measurement of flexible gyroscope.
In the proving installation provided by the invention, monitoring is installed with sensitive axes and the flexible gyroscope measured axis of optical fibre gyro in the same way, and installation accuracy can be guaranteed by the machining accuracy of device.
The demarcation datum clamp face 2 of this device is affixed through screw with the constant multiplier calibration facility, can be used for monitoring the constant multiplier on-site proving with optical fibre gyro and flexible gyroscope measured axis.
Claims (3)
1. the flexible gyroscope overload anti-interference proving installation based on fiber-optic monitoring is characterized in that: comprise the test datum clamp face, demarcate datum clamp face, flexible gyroscope mounting base and optical fibre gyro mounting base, formed by whole block material machining; The test datum clamp face is orthogonal outer bottom and lateral surface with demarcating datum clamp face; Be
shape generally; Flexible gyroscope mounting base and optical fibre gyro mounting base are arranged on proving installation inside; Described test datum clamp face all is provided with mounting hole respectively with demarcating on the datum clamp face, and mounting hole is used for being connected with big overload equipment; Optical fibre gyro installed surface on the optical fibre gyro mounting base is parallel with the demarcation datum clamp face and vertical with the test datum clamp face; Flexible gyroscope installed surface on the flexible gyroscope mounting base is vertical with the demarcation datum clamp face and parallel with the test datum clamp face, and is vertical with the optical fibre gyro installed surface; Be useful on the threaded hole of flexible gyroscope installation on the flexible gyroscope installed surface, it is vertical and parallel with the optical fibre gyro sensitive axes with the demarcation datum clamp face that the position of threaded hole guarantees that flexible gyroscope is installed its axle to be tested of back.
2. an a kind of flexible gyroscope overload anti-interference proving installation according to claim 1 based on fiber-optic monitoring; It is characterized in that: when the constant multiplier timing signal that carries out optical fibre gyro and flexible gyroscope axle to be tested; Monitoring is installed on the optical fibre gyro installed surface of optical fibre gyro pedestal with optical fibre gyro through screw; Flexible gyroscope to be tested is installed on the flexible gyroscope installed surface through screw; Fit with the installed surface of big overload equipment demarcating datum clamp face, tighten up through mounting hole with screw or bolt.
3. an a kind of flexible gyroscope overload anti-interference proving installation according to claim 1 based on fiber-optic monitoring; It is characterized in that: when carrying out the big overload measurement of flexible gyroscope; Test datum clamp face and the installed surface that big overload equipment provides are fitted, tighten up through mounting hole with screw or bolt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210043871.2A CN102607590B (en) | 2012-02-24 | 2012-02-24 | Flexible gyro overload term anti-interference testing device based on optical fiber monitoring |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210043871.2A CN102607590B (en) | 2012-02-24 | 2012-02-24 | Flexible gyro overload term anti-interference testing device based on optical fiber monitoring |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102607590A true CN102607590A (en) | 2012-07-25 |
| CN102607590B CN102607590B (en) | 2014-05-07 |
Family
ID=46525182
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210043871.2A Active CN102607590B (en) | 2012-02-24 | 2012-02-24 | Flexible gyro overload term anti-interference testing device based on optical fiber monitoring |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102607590B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104567934A (en) * | 2015-01-22 | 2015-04-29 | 中航捷锐（北京）光电技术有限公司 | Jig for vibration test of fiber-optic gyroscope and testing method |
| CN107741239A (en) * | 2017-09-26 | 2018-02-27 | 北京晨晶电子有限公司 | Gyroscope scale factor test system and method |
| CN114216478A (en) * | 2021-11-15 | 2022-03-22 | 西安航天精密机电研究所 | Liquid floating gyroscope multi-meter testing tool and mounting method |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101231178A (en) * | 2008-02-28 | 2008-07-30 | 北京航空航天大学 | Method for standardization of optimum 8 positions of flexure gyroscope |
| US20080202199A1 (en) * | 2005-11-21 | 2008-08-28 | United States Of America As Represented By The Administrator Of The National Aeronautics | Positioning System For Single Or Multi-Axis Sensitive Instrument Calibration And Calibration System For Use Therewith |
| CN101377422A (en) * | 2008-09-22 | 2009-03-04 | 北京航空航天大学 | Method for calibrating optimum 24 positions of flexible gyroscope static drift error model |
| WO2010060994A1 (en) * | 2008-11-28 | 2010-06-03 | Sagem Defense Securite | Calibration of gyroscopic systems with vibratory gyroscopes |
| CN101738203A (en) * | 2009-12-08 | 2010-06-16 | 北京航空航天大学 | Optimal position calibration method of static drifting zero and primary acceleration related term error model of flexible gyroscope |
-
2012
- 2012-02-24 CN CN201210043871.2A patent/CN102607590B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20080202199A1 (en) * | 2005-11-21 | 2008-08-28 | United States Of America As Represented By The Administrator Of The National Aeronautics | Positioning System For Single Or Multi-Axis Sensitive Instrument Calibration And Calibration System For Use Therewith |
| CN101231178A (en) * | 2008-02-28 | 2008-07-30 | 北京航空航天大学 | Method for standardization of optimum 8 positions of flexure gyroscope |
| CN101377422A (en) * | 2008-09-22 | 2009-03-04 | 北京航空航天大学 | Method for calibrating optimum 24 positions of flexible gyroscope static drift error model |
| WO2010060994A1 (en) * | 2008-11-28 | 2010-06-03 | Sagem Defense Securite | Calibration of gyroscopic systems with vibratory gyroscopes |
| CN101738203A (en) * | 2009-12-08 | 2010-06-16 | 北京航空航天大学 | Optimal position calibration method of static drifting zero and primary acceleration related term error model of flexible gyroscope |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104567934A (en) * | 2015-01-22 | 2015-04-29 | 中航捷锐（北京）光电技术有限公司 | Jig for vibration test of fiber-optic gyroscope and testing method |
| CN104567934B (en) * | 2015-01-22 | 2017-05-24 | 中航捷锐（北京）光电技术有限公司 | Jig for vibration test of fiber-optic gyroscope and testing method |
| CN107741239A (en) * | 2017-09-26 | 2018-02-27 | 北京晨晶电子有限公司 | Gyroscope scale factor test system and method |
| CN114216478A (en) * | 2021-11-15 | 2022-03-22 | 西安航天精密机电研究所 | Liquid floating gyroscope multi-meter testing tool and mounting method |
| CN114216478B (en) * | 2021-11-15 | 2023-08-04 | 西安航天精密机电研究所 | Multi-meter test tool for liquid floating gyroscope and installation method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102607590B (en) | 2014-05-07 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106052595B (en) | Three-axle table axis verticality detection method based on laser gyro strap down inertial navigation | |
| CN102628694B (en) | Control system and control method of single- axis turntable based on inertia device gyroscope and accelerometers | |
| CN102636183B (en) | Quadratic overload term test method for flexible gyroscope based on optical fiber monitoring and centrifuge with two-axis turntable | |
| CN101509785A (en) | Misalignment evaluating method for optical fibre gyro input axis | |
| CN103115726A (en) | Rotating parts and components dynamic balance method based on strain | |
| CN104122036A (en) | Static-dynamic balance monitoring device for routine test centrifugal machine | |
| CN201138270Y (en) | Mass center measuring apparatus suitable for optical fiber gyroscope apparatus | |
| CN102607590B (en) | Flexible gyro overload term anti-interference testing device based on optical fiber monitoring | |
| CN102636184B (en) | Specific force-sensitive term calibration method for flexible gyroscope based on centrifuge in environment without angular movement | |
| CN102455183A (en) | Triaxial attitude sensor | |
| CN206113834U (en) | Steering wheel corner measuring device | |
| CN102706310A (en) | Cantilever crane angle detecting method, device and pump truck with device | |
| CN107255561A (en) | Harmonic speed reducer static accuracy test fixture and its assembly method and application method | |
| CN104655123B (en) | A kind of method that utilization optical fibre gyro determines rotational-angular velocity of the earth | |
| CN110345838A (en) | A kind of measurement method of four axis centrifuge working radius | |
| CN110954131B (en) | Tool for calibrating misalignment angle of input shaft of fiber-optic gyroscope | |
| CN104713680A (en) | Method for static imbalance test for inertial platform framework | |
| CN105444777B (en) | A kind of fibre optic gyroscope error testing method under swinging condition | |
| CN109059917B (en) | Dynamic level meter and dynamic adjustment measurement method thereof | |
| CN108036756B (en) | Method for detecting perpendicularity of adjacent axes of biaxial rotation inertia measurement device by using accelerometer | |
| CN115752510A (en) | Portable inertial navigation system calibration device and portable inertial navigation system calibration method | |
| CN110542430A (en) | large dynamic performance testing device and method for inertial measurement unit | |
| CN102589568B (en) | Method for quickly measuring three-axis gyro constant drift of vehicle strapdown inertial navigation system | |
| CN104655095B (en) | A kind of method that utilization optical fibre gyro determines geographic latitude | |
| CN107941192A (en) | A kind of angle of rudder reflection tester |
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 | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20211021 Address after: 421000 Hengshan Science City mangrove R & D Innovation Zone, group 12, Dongfeng Village, Yueping Town, Yanfeng District, Hengyang City, Hunan Province Patentee after: HUNAN SHUAIWEI CONTROL TECHNOLOGY Co.,Ltd. Address before: 100191 No. 37, Haidian District, Beijing, Xueyuan Road Patentee before: BEIHANG University |