CN106908079A - Three axis optical fibre gyro combines constant multiplier automatic test device and method of testing - Google Patents
Three axis optical fibre gyro combines constant multiplier automatic test device and method of testing Download PDFInfo
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- CN106908079A CN106908079A CN201510977775.9A CN201510977775A CN106908079A CN 106908079 A CN106908079 A CN 106908079A CN 201510977775 A CN201510977775 A CN 201510977775A CN 106908079 A CN106908079 A CN 106908079A
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- gyro
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- rate table
- control system
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- 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
- G01C25/005—Manufacturing, calibrating, cleaning, or repairing instruments or devices referred to in the other groups of this subclass initial alignment, calibration or starting-up of inertial devices
Abstract
The invention belongs to optical fibre gyro testing field, a kind of three axis optical fibre gyro combination constant multiplier automatic test device and method of testing are specifically disclosed.Device includes appearance gyro installation platform, the first dimension gesture stability motor, the second dimension gesture stability motor, support frame, the state turning device of axial-rotation platform by design, realizes and realizes testing the constant multiplier of three dimensions of light gyro by two gesture stability motors and a single shaft rate table；Method realizes Automatic Control and test by using central integrated control system, improves testing efficiency and precision.
Description
Technical field
The invention belongs to optical fibre gyro testing field, and in particular to a kind of three axis optical fibre gyro combines constant multiplier
Automatic test device and method of testing.
Background technology
Optical fibre gyro be it is a kind of integrate light, mechanical, electrical angular rate sensor, be mainly used in inertia measurement
Device and inertial navigation unit, for the angular speed of carrier where sensitivity.And inertial measuring unit and inertia are led
Boat device typically will sensitive three angular speeds of orthogonal direction complete location navigation, therefore three axle optical fiber tops
Spiral shell combination is a kind of optical fibre gyro being most widely used.Constant multiplier is the core capabilities index of optical fibre gyro
One of, for weighing the dynamic characteristic of optical fibre gyro, and optic fiber gyroscope graduation factor test should be by
5.8.1 clauses in GJB2426A-2004 are carried out, and it is not enough that the test process has some：
Whether the rate table speed of rotation reaches sets requirement, and whether Gyro power-on time reaches setting will
Ask, whether data acquisition reaches sets requirement, be required for operating personnel to judge, influence test result precision；
The operation of rate table, the confession of gyro, power operation, the data acquisition of gyro, the treatment of data and top
The upset of spiral shell axial direction is required for relying on artificial, and at least needs 2 operating personnel to coordinate can to complete test,
Too high to artificial degree of dependence, the testing time is long.
Accordingly, it would be desirable to develop a kind of three axis optical fibre gyro combination constant multiplier full-automation test system, improve
Constant multiplier measuring accuracy, raising test automation degree, shortening test period, realize three axis optical fibre gyro
The full-automatic unattended test of combination constant multiplier.
The content of the invention
It is an object of the invention to provide a kind of three axis optical fibre gyro combination constant multiplier automatic test device and
Method of testing.
Realize the technical scheme of the object of the invention：
A kind of three axis optical fibre gyro combines constant multiplier automatic test device, it is characterised in that：During it includes
Centre integrated control system, rate table control module, power module, data acquisition module, gyro attitude control
Molding block, single shaft rate table and attitude turning device；The output end of central integrated control system respectively with speed
Rate turning table control module, power module, data acquisition module, the input connection of gyro gesture stability module；
Rate table control module, power module, data acquisition module output end respectively with single shaft rate table
Input is connected；The output end of gyro gesture stability module is connected with the input of attitude turning device；Attitude
Turning device is connected by rotating shaft with single shaft rate table, and single shaft rate table can drive attitude turning device
Horizontally rotate；Attitude turning device includes gyro installation platform, the first dimension gesture stability motor, the second dimension
Degree gesture stability motor, support frame, axial-rotation platform；Gyro installation platform provides optical fibre gyro and installs
Datum level；The lower surface of support frame is connected with attitude turning device by rotating shaft；Gyro installation platform,
Dimension gesture stability motor is respectively provided on axial-rotation platform；First dimension gesture stability motor can be controlled
Gyro installation platform rotation processed；Axial-rotation platform and the second dimension gesture stability motor are respectively provided at carriage
On frame, gyro installation platform is fixed and is located on axial-rotation platform, and the second dimension gesture stability motor can be controlled
Axial-rotation platform rotation processed, so as to drive gyro installation platform to rotate.
A kind of three axis optical fibre gyro combines constant multiplier automated testing method, and it comprises the following steps
Step 1：Central integrated control system sends instruction, rate table control mould to rate table control module
Block controls single shaft rate table, makes up to the speed of setting；
Step 2：Central integrated control system sends electric power starting instruction to power module, and power module is to gyro
Power supply, power-on time carries out the following steps after keeping 15s；
Step 3：Central integrated control system sends data acquisition instructions to data acquisition module, and collection gyro is defeated
The data for going out；
Step 4：Central integrated control system sends instruction, rate table control mould to rate table control module
Block control single shaft rate table changes the turntable speed of rotation；
Step 5：2~step 4 of repeat step, the single shaft rate table speed of rotation takes some speed setting values respectively,
Complete the constant multiplier test of the first dimension；
Step 6：Central integrated control system sends instruction, the second dimension to gyro axial direction turning device control module
90 ° of degree gesture stability motor control gyro installation platform rotate counterclockwise；
Step 7：Central integrated control system sends instruction, rate table control mould to rate table control module
Block controls single shaft rate table, makes up to the speed of setting；
Step 8：Central integrated control system sends electric power starting instruction to power module, and power module is to gyro
Power supply, power-on time carries out the following steps after keeping 15s；
Step 9：Central integrated control system sends data acquisition instructions to data acquisition module, and collection gyro is defeated
The data for going out；
Step 10：Central integrated control system sends instruction, rate table control to rate table control module
Module control single shaft rate table changes the turntable speed of rotation；
Step 11：8~step 10 of repeat step, the single shaft rate table speed of rotation takes some speed settings respectively
Value, completes the constant multiplier test of the second dimension；
Step 12：Central integrated control system sends instruction, first to gyro axial direction turning device control module
90 ° of dimension gesture stability motor control gyro installation platform rotate counterclockwise；
Step 13：Central integrated control system sends instruction, rate table control to rate table control module
Module controls single shaft rate table, makes up to the speed of setting；
Step 14：Central integrated control system sends electric power starting instruction to power module, and power module is to top
Spiral shell is powered, and power-on time carries out the following steps after keeping 15s；
Step 15：Central integrated control system sends data acquisition instructions to data acquisition module, gathers gyro
The data of output；
Step 16：Central integrated control system sends instruction, rate table control to rate table control module
Module control single shaft rate table changes the turntable speed of rotation；
Step 17：14~step 16 of repeat step, the single shaft rate table speed of rotation takes some rotating speeds and sets respectively
Definite value, completes the constant multiplier test of third dimension.
The speed setting value is ± 10, ± 30, ± 50, ± 75, ± 100, ± 150, ± 200, ± 250, ± 300
(°)/s。
Advantageous Effects of the invention are：
The three axis optical fibre gyro combination constant multiplier automatic test device that the present invention is provided includes appearance by design
Gyro installation platform, the first dimension gesture stability motor, the second dimension gesture stability motor, support frame,
The state turning device of axial-rotation platform, is realized and is turned by two gesture stability motors and a single shaft speed
Platform realizes the constant multiplier test to three dimensions of light gyro；The three axis optical fibre gyro group that the present invention is provided
Close constant multiplier automated testing method and realize Automatic Control and survey by using central integrated control system
Examination, improves testing efficiency and precision.
Brief description of the drawings
Fig. 1 is the structure that three axis optical fibre gyro provided by the present invention combines constant multiplier automatic test device
Schematic diagram；
Fig. 2 is attitude turning device structural representation.
In figure：1. central integrated control system, 2. rate table control module, 3. power module, 4. data adopt
Collection module, 5. gyro turn over gesture stability module, 6. single shaft rate table, 7. attitude turning device, 8. gyro peace
Assembling platform, 9. the first dimension gesture stability motor, 10. the second dimension gesture stability motor, 11. support frames,
12. axial-rotation platforms.
Specific embodiment
The present invention is described in further detail with reference to the accompanying drawings and examples.
As shown in figure 1, a kind of three axis optical fibre gyro combination constant multiplier automatic test device includes centralized
Into control system 1, rate table control module 2, power module 3, data acquisition module 4, gyro attitude
Control module 5, single shaft rate table 6 and attitude turning device 7.The output end of central integrated control system 1
Respectively with rate table control module 2, power module 3, data acquisition module 4, gyro gesture stability module
5 input connection；Rate table control module 2, power module 3, the output end of data acquisition module 4
The input with single shaft rate table 6 is connected respectively；The output end of gyro gesture stability module 5 is turned over attitude
The input connection of rotary device 7；Attitude turning device 7 is connected by rotating shaft with single shaft rate table 6, single
Axle rate table 6 can drive attitude turning device 7 to horizontally rotate.
As shown in Fig. 2 attitude turning device 7 includes gyro installation platform 8, the first dimension gesture stability motor
9th, the second dimension gesture stability motor 10, support frame 11, axial-rotation platform 12.Gyro installation platform
8 provide optical fibre gyro datum clamp face.The lower surface of support frame 11 passes through rotating shaft with attitude turning device 7
Connection.
Gyro installation platform 8, the first dimension gesture stability motor 9 are respectively provided on axial-rotation platform 12.
First dimension gesture stability motor 9 can control gyro installation platform 8 to rotate.
The dimension gesture stability motor 10 of axial-rotation platform 12 and second is respectively provided in support frame 11, top
Spiral shell mounting platform 8 is fixed and is located on axial-rotation platform 12, and the second dimension gesture stability motor 10 can be controlled
Axial-rotation platform 12 processed rotates vertically, so as to drive gyro installation platform 8 to rotate.
The three axis optical fibre gyro combination constant multiplier automated testing method that the present invention is provided includes：
Step 1：Central integrated control system 1 sends instruction, rate table control to rate table control module 2
The control single shaft of molding block 2 rate table 6, makes up to the speed of setting；
Step 2：Central integrated control system 1 sends electric power starting instruction, power module 3 to power module 3
Powered to gyro, power-on time carries out the following steps after keeping 15s；
Step 3：Central integrated control system 1 sends data acquisition instructions to data acquisition module 4, gathers top
The data of spiral shell output；
Step 4：Central integrated control system 1 sends instruction, rate table control to rate table control module 2
The control single shaft of molding block 2 rate table 6 changes the turntable speed of rotation；
Step 5：2~step 4 of repeat step, the speed of rotation of single shaft rate table 6 takes ± 10 respectively, ± 30, ± 50,
± 75, ± 100, ± 150, ± 200, ± 250, ± 300 (°)/s, completes the constant multiplier test of the first dimension；
Step 6：Central integrated control system 1 sends instruction to the axial turning device control module 7 of gyro, the
90 ° of 8 rotate counterclockwise of the control gyro installation platform of two-dimensionses gesture stability motor 10；
Step 7：Central integrated control system 1 sends instruction, rate table control to rate table control module 2
The control single shaft of molding block 2 rate table 6, makes up to the speed of setting；
Step 8：Central integrated control system 1 sends electric power starting instruction, power module 3 to power module 3
Powered to gyro, power-on time carries out the following steps after keeping 15s；
Step 9：Central integrated control system 1 sends data acquisition instructions to data acquisition module 4, gathers top
The data of spiral shell output；
Step 10：Central integrated control system 1 sends instruction, rate table to rate table control module 2
The control single shaft of control module 2 rate table 6 changes the turntable speed of rotation；
Step 11：8~step 10 of repeat step, the speed of rotation of single shaft rate table 6 takes ± 10 respectively, ± 30,
± 50, ± 75, ± 100, ± 150, ± 200, ± 250, ± 300 (°)/s, the constant multiplier for completing the second dimension is surveyed
Examination；
Step 12：Central integrated control system 1 sends instruction to the axial turning device control module 7 of gyro,
90 ° of 8 rotate counterclockwise of the control gyro installation platform of first dimension gesture stability motor 9；
Step 13：Central integrated control system 1 sends instruction, rate table to rate table control module 2
The control single shaft of control module 2 rate table 6, makes up to the speed of setting；
Step 14：Central integrated control system 1 sends electric power starting instruction, power module to power module 3
3 power to gyro, and power-on time carries out the following steps after keeping 15s；
Step 15：Central integrated control system 1 sends data acquisition instructions to data acquisition module 4, collection
The data of gyro output；
Step 16：Central integrated control system 1 sends instruction, rate table to rate table control module 2
The control single shaft of control module 2 rate table 6 changes the turntable speed of rotation；
Step 17：14~step 16 of repeat step, the speed of rotation of single shaft rate table 6 takes ± 10 respectively, ± 30,
± 50, ± 75, ± 100, ± 150, ± 200, ± 250, ± 300 (°)/s, the constant multiplier for completing third dimension is surveyed
Examination.
The present invention is explained in detail above in conjunction with drawings and Examples, but the present invention be not limited to it is above-mentioned
Embodiment, in the ken that those of ordinary skill in the art possess, can also not depart from the present invention
Various changes can be made on the premise of objective.The content not being described in detail in the present invention can use existing skill
Art.
Claims (3)
1. a kind of three axis optical fibre gyro combines constant multiplier automatic test device, it is characterised in that：It includes
Central integrated control system (1), rate table control module (2), power module (3), data acquisition module
Block (4), gyro gesture stability module (5), single shaft rate table (6) and attitude turning device (7)；In
Centre integrated control system (1) output end respectively with rate table control module (2), power module (3),
The input connection of data acquisition module (4), gyro gesture stability module (5)；Rate table control module
(2), power module (3), data acquisition module (4) output end respectively with single shaft rate table (6)
Input connection；The output end of gyro gesture stability module (5) and the input of attitude turning device (7)
End connection；Attitude turning device (7) is connected by rotating shaft with single shaft rate table (6), and single shaft speed turns
Platform (6) can drive attitude turning device (7) to horizontally rotate；Attitude turning device (7) is pacified including gyro
Assembling platform (8), the first dimension gesture stability motor (9), the second dimension gesture stability motor (10), support
Framework (11), axial-rotation platform (12)；Gyro installation platform (8) provides optical fibre gyro datum clamp face；
The lower surface of support frame (11) is connected with attitude turning device (7) by rotating shaft；Gyro installation platform (8),
First dimension gesture stability motor (9) is respectively provided on axial-rotation platform (12)；First dimension attitude control
Motor (9) processed can control gyro installation platform (8) to rotate；Axial-rotation platform (12) and the second dimension
Degree gesture stability motor (10) is respectively provided in support frame (11), and gyro installation platform (8) fixation sets
On axial-rotation platform (12), the second dimension gesture stability motor (10) can control axial rotary flat
Platform (12) rotates, so as to drive gyro installation platform (8) to rotate.
2. a kind of three axis optical fibre gyro combines constant multiplier automated testing method, it is characterised in that：It includes
The following steps
Step 1：Central integrated control system (1) sends instruction, speed to rate table control module (2)
Turning table control module (2) controls single shaft rate table (6), makes up to the speed of setting；
Step 2：Central integrated control system (1) sends electric power starting instruction, power supply to power module (3)
Module (3) is powered to gyro, and power-on time carries out the following steps after keeping 15s；
Step 3：Central integrated control system (1) sends data acquisition instructions to data acquisition module (4),
The data of collection gyro output；
Step 4：Central integrated control system (1) sends instruction, speed to rate table control module (2)
Turning table control module (2) controls single shaft rate table (6) to change the turntable speed of rotation；
Step 5：2~step 4 of repeat step, single shaft rate table (6) speed of rotation takes some rotating speeds respectively
Setting value, completes the constant multiplier test of the first dimension；
Step 6：Central integrated control system (1) sends finger to gyro axial direction turning device control module (7)
Order, the second dimension gesture stability motor (10) 90 ° of gyro installation platform (8) rotate counterclockwise of control；
Step 7：Central integrated control system (1) sends instruction, speed to rate table control module (2)
Turning table control module (2) controls single shaft rate table (6), makes up to the speed of setting；
Step 8：Central integrated control system (1) sends electric power starting instruction, power supply to power module (3)
Module (3) is powered to gyro, and power-on time carries out the following steps after keeping 15s；
Step 9：Central integrated control system (1) sends data acquisition instructions to data acquisition module (4),
The data of collection gyro output；
Step 10：Central integrated control system (1) sends instruction to rate table control module (2), speed
Rate turning table control module (2) controls single shaft rate table (6) to change the turntable speed of rotation；
Step 11：8~step 10 of repeat step, single shaft rate table (6) speed of rotation takes some turns respectively
Fast setting value, completes the constant multiplier test of the second dimension；
Step 12：Central integrated control system (1) sends to gyro axial direction turning device control module (7)
Instruction, the first dimension gesture stability motor (9) 90 ° of gyro installation platform (8) rotate counterclockwise of control；
Step 13：Central integrated control system (1) sends instruction to rate table control module (2), speed
Rate turning table control module (2) controls single shaft rate table (6), makes up to the speed of setting；
Step 14：Central integrated control system (1) sends electric power starting instruction, electricity to power module (3)
Source module (3) is powered to gyro, and power-on time carries out the following steps after keeping 15s；
Step 15：Central integrated control system (1) sends data acquisition instructions to data acquisition module (4),
The data of collection gyro output；
Step 16：Central integrated control system (1) sends instruction to rate table control module (2), speed
Rate turning table control module (2) controls single shaft rate table (6) to change the turntable speed of rotation；
Step 17：14~step 16 of repeat step, single shaft rate table (6) speed of rotation takes some turns respectively
Fast setting value, completes the constant multiplier test of third dimension.
3. a kind of three axis optical fibre gyro according to claim 2 combines constant multiplier automated testing method,
It is characterized in that：The speed setting value be ± 10, ± 30, ± 50, ± 75, ± 100, ± 150, ± 200, ± 250,
±300(°)/s。
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Citations (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201181213Y (en) * | 2008-03-28 | 2009-01-14 | 余祖荫 | Self-north seeking navigation device of uniaxial gyroscope |
| CN101509785A (en) * | 2009-03-16 | 2009-08-19 | 浙江大学 | Misalignment evaluating method for optical fibre gyro input axis |
| CN101957215A (en) * | 2009-07-21 | 2011-01-26 | 深迪半导体(上海)有限公司 | Turntable and method for testing two axial properties of gyroscope |
| CN102128637A (en) * | 2010-12-29 | 2011-07-20 | 上海亨通光电科技有限公司 | Method for testing optical fiber gyroscope |
| CN102135420A (en) * | 2010-12-10 | 2011-07-27 | 浙江大学 | Method for improving angular displacement measurement accuracy of optical fiber gyroscope |
| CN102193004A (en) * | 2010-03-02 | 2011-09-21 | 京元电子股份有限公司 | Rotational three-dimensional dynamic test equipment |
| CN102853850A (en) * | 2012-09-11 | 2013-01-02 | 中国兵器工业集团第二一四研究所苏州研发中心 | Triaxial MEMS gyroscope rotation integral calibration method based on uniaxial turntable |
| CN103115628A (en) * | 2013-01-23 | 2013-05-22 | 北京航空航天大学 | Testing device and method for resonant mode optical gyroscope scale factor |
| CN103616035A (en) * | 2013-11-13 | 2014-03-05 | 湖南航天机电设备与特种材料研究所 | Performance parameter calibration method of laser strapdown inertial navigation system |
| CN104034350A (en) * | 2014-05-21 | 2014-09-10 | 浙江大学 | Rapid testing method for optical fiber gyroscope scale factor parameter |
| CN104567936A (en) * | 2015-01-27 | 2015-04-29 | 北京航天时代光电科技有限公司 | Parameter calibration method of triaxially oblique configuration inertia measurement device |
| CN104634364A (en) * | 2015-01-29 | 2015-05-20 | 哈尔滨工程大学 | Fiber-optic gyroscope scale factor self-calibration system based on step pulse modulation |
| CN104713574A (en) * | 2013-12-11 | 2015-06-17 | 中国航空工业第六一八研究所 | Closed loop fiber optic gyroscope scale factor high precision calibrating method |
| CN204831330U (en) * | 2015-08-13 | 2015-12-02 | 常熟理工学院 | Three -axle table's attitude sensor test system |
-
2015
- 2015-12-23 CN CN201510977775.9A patent/CN106908079A/en active Pending
Patent Citations (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201181213Y (en) * | 2008-03-28 | 2009-01-14 | 余祖荫 | Self-north seeking navigation device of uniaxial gyroscope |
| CN101509785A (en) * | 2009-03-16 | 2009-08-19 | 浙江大学 | Misalignment evaluating method for optical fibre gyro input axis |
| CN101957215A (en) * | 2009-07-21 | 2011-01-26 | 深迪半导体(上海)有限公司 | Turntable and method for testing two axial properties of gyroscope |
| CN102193004A (en) * | 2010-03-02 | 2011-09-21 | 京元电子股份有限公司 | Rotational three-dimensional dynamic test equipment |
| CN102135420A (en) * | 2010-12-10 | 2011-07-27 | 浙江大学 | Method for improving angular displacement measurement accuracy of optical fiber gyroscope |
| CN102128637A (en) * | 2010-12-29 | 2011-07-20 | 上海亨通光电科技有限公司 | Method for testing optical fiber gyroscope |
| CN102853850A (en) * | 2012-09-11 | 2013-01-02 | 中国兵器工业集团第二一四研究所苏州研发中心 | Triaxial MEMS gyroscope rotation integral calibration method based on uniaxial turntable |
| CN103115628A (en) * | 2013-01-23 | 2013-05-22 | 北京航空航天大学 | Testing device and method for resonant mode optical gyroscope scale factor |
| CN103616035A (en) * | 2013-11-13 | 2014-03-05 | 湖南航天机电设备与特种材料研究所 | Performance parameter calibration method of laser strapdown inertial navigation system |
| CN104713574A (en) * | 2013-12-11 | 2015-06-17 | 中国航空工业第六一八研究所 | Closed loop fiber optic gyroscope scale factor high precision calibrating method |
| CN104034350A (en) * | 2014-05-21 | 2014-09-10 | 浙江大学 | Rapid testing method for optical fiber gyroscope scale factor parameter |
| CN104567936A (en) * | 2015-01-27 | 2015-04-29 | 北京航天时代光电科技有限公司 | Parameter calibration method of triaxially oblique configuration inertia measurement device |
| CN104634364A (en) * | 2015-01-29 | 2015-05-20 | 哈尔滨工程大学 | Fiber-optic gyroscope scale factor self-calibration system based on step pulse modulation |
| CN204831330U (en) * | 2015-08-13 | 2015-12-02 | 常熟理工学院 | Three -axle table's attitude sensor test system |
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Application publication date: 20170630 |