CN104316077B - Information real-time measure system for table-top angle position of angular vibration table - Google Patents
Information real-time measure system for table-top angle position of angular vibration table Download PDFInfo
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- CN104316077B CN104316077B CN201410427246.7A CN201410427246A CN104316077B CN 104316077 B CN104316077 B CN 104316077B CN 201410427246 A CN201410427246 A CN 201410427246A CN 104316077 B CN104316077 B CN 104316077B
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- angle
- vibration table
- table top
- induction coil
- processing module
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B7/00—Measuring arrangements characterised by the use of electric or magnetic techniques
- G01B7/30—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring angles or tapers; for testing the alignment of axes
-
- 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
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Length Measuring Devices With Unspecified Measuring Means (AREA)
Abstract
An information real-time measure system for the table-top angle position of an angular vibration table is disclosed, belongs to the field of inertial device testing, and aims at solving the problems in the prior art that the measure precision is low, the cost is high, and reliable usage in severe environment cannot be realized. According to the information real-time measure system, a table top of the angular vibration table is fixedly disposed on a table body, the table body is fixedly disposed on a pedestal, and a reference target is fixedly disposed on the lateral side of the table top of the angular vibration table; an induction coil and a signal acquisition and processing module are fixedly disposed on a support, the induction coil is parallel to the reference target, and a target strip of the reference target is parallel to a rotation shaft of the angular vibration table; and the signal acquisition and processing module rapidly acquires the induced current of the induction coil, calculates out the angle position of the table top of the angular vibration table, and sends data acquired by a communication cable to a data acquisition computer, and the data acquisition computer directly calculates out the rotation angle of the table top of the angular vibration table through a transformation program of the relationship between pulse counting number and the angle. The system is high in measure precision and low in cost, and can be reliably used in severe environment.
Description
Technical field
The invention belongs to inertia device field tests are and in particular to a kind of angle vibration table table top angle position information measures in real time
System.
Background technology
Gyro is to measure carrier with respect to a kind of sensor of inertial space angular velocity of satellite motion, obtains with military domain civilian
To widely using.Frequency characteristic is to weigh the important indicator of gyro dynamic characteristic, is generally represented with bandwidth.Angle vibration table is measurement
The capital equipment of gyro dynamic property, can accurately analog carrier angular movement state, there is working band width, certainty of measurement is high,
The advantages of good stability.
Real-time precision measurment angle vibration table table top angle position information is needed, traditional platform during gyro dynamic characteristic test
The measurement of face angle positional information is completed by laser interferometer.Its cardinal principle be an optical module (angled mirrors) with respect to
Another optical module (angle interferoscope) rotates, and leads to the optical path difference between two measuring beams to change, this light path
The change of difference is determined by the fringe counter of laser system, and is converted into angle measurement or angular error by software.
Referring to accompanying drawing 1, tradition carries out the measuring system of angle vibration table table top angle position information measurement using laser interferometer
Do including angle vibration table table top 1, stage body 2, pedestal 3, mobile corner cube reflector 4, spectroscope 5, fixing corner cube reflector 6, laser
Interferometer 7, data cable 8 data process computer 9；In this scheme test process, mobile corner cube reflector 4 and table top 1
Connect firmly installation, the laser of laser interferometer 7 transmitting enters traveling angle cone reflection after spectroscope 5 with fixing corner cube reflector 6
Mirror 4, mobile corner cube reflector 4 goes out the laser containing angular movement information with table top 1 motor reflex, again passes by spectroscope 5 and fixes
Corner cube reflector 6, finally enters laser interferometer 7, and the optical path difference between two measuring beams changes, by laser interferometer
Fringe counter in 7 determines, and is converted into angle measurement by software.This scheme is applied to minute angle is measured,
The general requirement to environment is extremely harsh, and apparatus structure is accurate, and stability is bad, and components and parts performance requirement is high, thus logical
Often it is only used as a kind of measuring basiss and detection meanss, be difficult to in-site measurement.Additionally, laser interferometer measurement high precision, valency
Lattice are usually 600,000～800,000, need supporting various optical modules, and light path adjustment is loaded down with trivial details, have high cost, system complex
Shortcoming, is therefore not suitable for the large batch of production of commercialization.
Content of the invention
It is an object of the invention to proposing a kind of angle vibration table table top angle position information real-time measurement system, solve existing skill
Art exist certainty of measurement is low, high cost and cannot in adverse circumstances the reliable problem using.
For achieving the above object, the angle vibration table table top angle position information real-time measurement system of the present invention includes angle vibration table
Table top, stage body, pedestal, benchmark parallel target, induction coil, Signal acquiring and processing module, support data collecting computer；
Described angle vibration table table top is fixed on above described stage body, and described stage body is fixed on described pedestal, described benchmark
Target is fixed on the side of described angle vibration table table top；Described induction coil and described Signal acquiring and processing module are fixed on institute
State on support, described induction coil is parallel with described benchmark parallel target, the target bar of described benchmark parallel target and the rotary shaft of angle vibration table
Parallel；
The faradic current of described Signal acquiring and processing module Quick Acquisition induction coil, and counted in real time by calibrating parameters
Calculate the Angle Position of angle vibration table table top, described Signal acquiring and processing module is passed through data cable and passed the data gathering
Transport to data acquisition computer, described data acquisition computer directly calculates the rotation of angle vibration table table top by conversion program
Angle.
Described benchmark parallel target is flexible precision dentation metal plate, including metal-toothed and metal plate, described metal
Tooth is evenly distributed on described metal plate, and the distance between the width of metal-toothed and two neighboring metal-toothed are equal；Angular oscillation
The radius of platform table top is R (mm), and the width of metal-toothed and interval are d (mm), and the length of metallic plate is D (mm), angle-resolved
Rate θ (°), the relation between angular surveying total size ψ (°) can be expressed as：
D=θ R π/180
D=ψ R π/180
Required angle resolution θ=0.01 ° in test process, angular surveying total size ψ is 10 °.
Described Signal acquiring and processing module includes Micro-processor MCV and inductance sensor, and described inductance sensor passes through
SPI interface is communicated with Micro-processor MCV, and the CAN2.0B interface of described Micro-processor MCV passes through data cable and number
Connect according to collecting computer.
Beneficial effects of the present invention are：The angle vibration table table top angle position information real-time measurement system of the present invention passes through benchmark
Target, induction coil and signals collecting measure angular oscillation set platform in the inductance sensor angle-measurement system that processing module is constituted
The angle position information in face, compared with prior art, decreases a set of laser interferometer, reduces hardware cost and complex operation
Property, inertia device dynamic characteristic test requirement can be met with real-time precision measurment angle vibration table table top angle position information simultaneously again.
Certainty of measurement is high, low cost is it is achieved that the reliability in adverse circumstances uses.
Brief description
Fig. 1 is by the principle schematic of laser interferometer measurement angle vibration table table top angle position information in prior art；
Fig. 2 is the angle vibration table table top angle position information real-time measurement system measuring principle schematic diagram of the present invention；
Fig. 3 illustrates for benchmark parallel target contour structures in the angle vibration table table top angle position information real-time measurement system of the present invention
Figure；
Fig. 4 is induction coil structural representation in the angle vibration table table top angle position information real-time measurement system of the present invention；
Fig. 5 is Signal acquiring and processing module electricity in the angle vibration table table top angle position information real-time measurement system of the present invention
Road principle schematic；
Wherein：1st, angle vibration table table top, 2, stage body, 3, pedestal, 4, mobile corner cube reflector, 5, spectroscope, 6, fixed angles
Cone reflecting mirror, 7, laser interferometer, 8, data cable, 9, data acquisition computer, 10, benchmark parallel target, 11, the line of induction
Circle, 12, Signal acquiring and processing module, 13, support, 14, metal-toothed, 15, metal plate, 16, pcb board, 17, spiral wire
Circle, 18, Micro-processor MCV, 19, inductance sensor.
Specific embodiment
Below in conjunction with the accompanying drawings embodiments of the present invention are described further.
Referring to accompanying drawing 2, the angle vibration table table top angle position information real-time measurement system of the present invention includes angle vibration table table top
1st, stage body 2, pedestal 3, benchmark parallel target 10, induction coil 11, Signal acquiring and processing module 12, the collection of support 13 data calculate
Machine 9；
Described angle vibration table table top 1 is fixed on above described stage body 2, and described stage body 2 is fixed on described pedestal 3, described
Benchmark parallel target 10 is fixed on the side of described angle vibration table table top 1；Described induction coil 11 and described Signal acquiring and processing mould
Block 12 is fixed on described support 13, and described induction coil 11 keeps vertical, institute parallel with described benchmark parallel target 10 with horizontal plane
The target bar stating benchmark parallel target 10 is parallel with the rotary shaft of angle vibration table；
The faradic current of described Signal acquiring and processing module 12 Quick Acquisition induction coil 11, and real by calibrating parameters
When calculate the Angle Position of angle vibration table table top 1, described Signal acquiring and processing module 12 will be gathered by data cable 8
Data transfer to data acquisition computer 9, described data acquisition computer 9 passes through the conversion journey of step-by-step counting and angular relationship
Sequence directly calculates the angle of angle vibration table table top 1 rotation.
Referring to accompanying drawing 4, described induction coil 11 includes pcb board 16 and spiral coil 17, and spiral coil 17 presses spiral
Curve is designed, and carries out plate-making and the processing of pcb board 16, forms induction coil, and pcb board 16 is the pros of length of side 50mm
Shape, spiral coil 17 is the spiral of Archimedes of line style width 2mm.
Referring to accompanying drawing 3, described benchmark parallel target 10 is flexible precision dentation metal plate, including metal-toothed 14 and metal
Flat board 15, described metal-toothed 14 is evenly distributed on described metal plate 15, the width of metal-toothed 14 and two neighboring metal-toothed
The distance between 14 is equal.The radius of angle vibration table table top 1 is R (mm), and the width of metal-toothed 14 and interval are d (mm), gold
The length belonging to plate 15 is D (mm), angular resolution θ (°), and the relation between angular surveying total size ψ (°) can be expressed as：
D=θ R π/180
D=ψ R π/180
Required angle resolution θ=0.01 ° in test process, angular surveying total size ψ be 10 ° it is assumed that R=150mm, then
D=0.026mm, D=26mm can be calculated according to formula.Benchmark parallel target 10 carries out accurate dentation by laser machine and adds
Work.
Referring to accompanying drawing 5, described Signal acquiring and processing module 12 includes Micro-processor MCV 18 and inductance sensor 19, institute
State inductance sensor 19 to be communicated with Micro-processor MCV 18 by SPI interface, the CAN2.0B of described Micro-processor MCV 18 connects
Mouth is connected with data acquisition computer 9 by data cable 8.Micro-processor MCV 18 selects the position of Freescale company single
Piece machine MC9S12B128MFUE, is had 1 CAN 2.0B interface and is carried out with data acquisition computer 9 by data cable 8
Real-time Data Transmission, also has 1 SPI interface and enters row data communication with inductance sensor 19.Inductance sensor 19 selects TI public
The LDC1000 of department, it provides the resonance impedance of position and the inductance value of position, it is possible to achieve the sensing precision of submicron, and inductance passes
Sensor 19 is had 1 SPI interface and is communicated with Micro-processor MCV 18, and operationally provides clock reference by MCU, electricity
The faradic current of sensitive induction coil 11 sensor of propagated sensation sensor 19, and interruption letter is sent to Micro-processor MCV 18 by INTB
Number, Micro-processor MCV 18 carries out after receiving interrupt signal reading sensing data by SPI interface, and will be away from by CAN interface
It is sent to data acquisition computer 9 from information.Data acquisition computer 9 can directly calculate angle vibration table platform by conversion program
The angle that face 1 rotates.
Claims (3)
1. angle vibration table table top angle position information real-time measurement system, including angle vibration table table top (1), stage body (2), pedestal (3)
Data collecting computer (9)；It is characterized in that, also include, benchmark parallel target (10), induction coil (11), signals collecting and place
Reason module (12) and support (13)；
Described angle vibration table table top (1) is fixed on above described stage body (2), and described stage body (2) is fixed on described pedestal (3),
Described benchmark parallel target (10) is fixed on the side of described angle vibration table table top (1)；Described induction coil (11) is adopted with described signal
Collection and processing module (12) are fixed on described support (13), and described induction coil (11) is parallel with described benchmark parallel target (10),
The target bar of described benchmark parallel target (10) is parallel with the rotary shaft of angle vibration table；
The faradic current of described Signal acquiring and processing module (12) Quick Acquisition induction coil (11), and real by calibrating parameters
When calculate the Angle Position of angle vibration table table top (1), described Signal acquiring and processing module (12) passes through data cable (8)
By the data transfer of collection to data acquisition computer (9), described data acquisition computer (9) is passed through step-by-step counting and is closed with angle
The conversion program of system directly calculates the angle that angle vibration table table top (1) rotates.
2. angle vibration table table top angle position information real-time measurement system according to claim 1 is it is characterised in that described base
Quasi- target (10) is flexible precision dentation metal plate, including metal-toothed (14) and metal plate (15), described metal-toothed
(14) be evenly distributed on described metal plate (15), between the width of metal-toothed (14) and two neighboring metal-toothed (14) away from
From equal；The radius of angle vibration table table top (1) is R (mm), and the width of metal-toothed (14) and interval are d (mm), metallic plate
(15) length is D (mm), angular resolution θ (°), and the relation between angular surveying total size ψ (°) can be expressed as：
D=θ R π/180
D=ψ R π/180
Required angle resolution θ=0.01 ° in test process, angular surveying total size ψ is 10 °.
3. angle vibration table table top angle position information real-time measurement system according to claim 1 is it is characterised in that described letter
Number collection includes Micro-processor MCV (18) and inductance sensor (19) with processing module (12), and described inductance sensor (19) is logical
Cross SPI interface to be communicated with Micro-processor MCV (18), the CAN2.0B interface of described Micro-processor MCV (18) is passed by data
Transmission cable (8) is connected with data acquisition computer (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410427246.7A CN104316077B (en) | 2014-08-26 | 2014-08-26 | Information real-time measure system for table-top angle position of angular vibration table |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410427246.7A CN104316077B (en) | 2014-08-26 | 2014-08-26 | Information real-time measure system for table-top angle position of angular vibration table |
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| CN104316077A CN104316077A (en) | 2015-01-28 |
| CN104316077B true CN104316077B (en) | 2017-02-15 |
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| CN201410427246.7A Expired - Fee Related CN104316077B (en) | 2014-08-26 | 2014-08-26 | Information real-time measure system for table-top angle position of angular vibration table |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR3035448B1 (en) * | 2015-04-22 | 2018-11-02 | Continental Automotive France | METHOD FOR DETERMINING REAL LENGTHS OF SMALL INTERVALS OF A TARGET DONE OF A CRANKSHAFT |
| CN107102316B (en) * | 2017-06-20 | 2020-01-24 | 北醒（北京）光子科技有限公司 | Method for measuring angular resolution |
| CN112611391B (en) * | 2020-10-23 | 2023-10-20 | 西安航天精密机电研究所 | Inertial combination angular vibration testing method |
| CN113237491A (en) * | 2021-04-22 | 2021-08-10 | 北京航天计量测试技术研究所 | Frequency characteristic testing device and method of digital gyroscope |
| CN115307719A (en) * | 2022-08-18 | 2022-11-08 | 东北林业大学 | Electromagnetic vibration sensor of flexible Archimedes spiral coil and vibration measurement method |
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|---|---|---|---|---|
| SU1024123A1 (en) * | 1981-02-23 | 1983-06-23 | Брянский Ордена Трудового Красного Знамени Технологический Институт | Apparatus for exciting angular vibration |
| RU2081741C1 (en) * | 1994-08-12 | 1997-06-20 | Иван Васильевич Стариков | Vibration nut-setter |
| CN2932318Y (en) * | 2006-07-19 | 2007-08-08 | 中国航空工业第一集团公司北京长城计量测试技术研究所 | Coil framework structure of electric angular vibration table |
| CN201600231U (en) * | 2010-01-27 | 2010-10-06 | 中国人民解放军国防科学技术大学 | Angular vibration test table based on flexible hinge mechanism |
| WO2011025151A2 (en) * | 2009-08-31 | 2011-03-03 | 한국표준과학연구원 | Rotational vibration exciter |
| CN103471642A (en) * | 2013-09-27 | 2013-12-25 | 浙江大学 | Angular vibration table |
-
2014
- 2014-08-26 CN CN201410427246.7A patent/CN104316077B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU1024123A1 (en) * | 1981-02-23 | 1983-06-23 | Брянский Ордена Трудового Красного Знамени Технологический Институт | Apparatus for exciting angular vibration |
| RU2081741C1 (en) * | 1994-08-12 | 1997-06-20 | Иван Васильевич Стариков | Vibration nut-setter |
| CN2932318Y (en) * | 2006-07-19 | 2007-08-08 | 中国航空工业第一集团公司北京长城计量测试技术研究所 | Coil framework structure of electric angular vibration table |
| WO2011025151A2 (en) * | 2009-08-31 | 2011-03-03 | 한국표준과학연구원 | Rotational vibration exciter |
| CN201600231U (en) * | 2010-01-27 | 2010-10-06 | 中国人民解放军国防科学技术大学 | Angular vibration test table based on flexible hinge mechanism |
| CN103471642A (en) * | 2013-09-27 | 2013-12-25 | 浙江大学 | Angular vibration table |
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Granted publication date: 20170215 Termination date: 20200826 |