CN106643570A - Measurement device and measurement method for roll angle of bullet body - Google Patents
Measurement device and measurement method for roll angle of bullet body Download PDFInfo
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- CN106643570A CN106643570A CN201611256733.7A CN201611256733A CN106643570A CN 106643570 A CN106643570 A CN 106643570A CN 201611256733 A CN201611256733 A CN 201611256733A CN 106643570 A CN106643570 A CN 106643570A
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- infrared
- diode
- roll angle
- processing module
- signal processing
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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
- G01B11/00—Measuring arrangements characterised by the use of optical techniques
- G01B11/26—Measuring arrangements characterised by the use of optical techniques for measuring angles or tapers; for testing the alignment of axes
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- General Physics & Mathematics (AREA)
- Length Measuring Devices By Optical Means (AREA)
- Radar Systems Or Details Thereof (AREA)
Abstract
A measurement device and a measurement method for a roll angle of a bullet body belong to the field of signal measurement. The measurement device comprises the bullet body. The measurement device and the measurement method are characterized in that the measurement device comprises a signal processing module arranged in the bullet body and a plurality of infrared diode pairs which are uniformly arranged on the external surface of the bullet body; the infrared diode pairs are arranged in one longitudinal section of the bullet body and form an infrared diode pair ring; each infrared diode pair comprises an infrared transmitting diode and an infrared receiving diode; and each infrared diode pair is electrically connected with the signal processing module. Through uniformly arranged the infrared diode pairs on the surface of the bullet body, a modulated wave is transmitted through the infrared transmitting diode wherein, and then the modulated wave is reflected and is received by the infrared receiving diode of the same infrared diode pair, thereby generating a pulse sequence signal, and calculating the roll angle of the bullet body by the signal processing module. The measurement device for the roll angle of the bullet body has advantages of simple structure, high response speed, wide measurement range, high convenience in mounting and debugging, easy calculation, easy operation and high suitability for popularization.
Description
Technical field
The invention belongs to signal measurement field, more particularly to a kind of measurement apparatus and measuring method of body roll angle.
Background technology
With the development of modern electronic technology, various high-grade, precision and advanced guided weapons are developed rapidly, radio, it is infrared,
The aiming means such as laser, GPS, inertial navigation, TV emerge in an endless stream, and greatly increase weapon attacking precision.Especially inertia component
In aiming means, in a large number using gyroscope, plus the method accurate measurement such as meter, magnetometer calculating missile rotation speed, flying speed,
The data such as pitching, rolling and driftage, have obtained widely applying, significant to Weapon Accuracy.However, many guidances are military
At the solution formulation stage, it is a uncertain value that body rotating speed is generally affected by multiple factors to device, it is difficult to accurately estimated fly
Rotation angle range during row, therefore, it is difficult to selecting suitable sensor.For this parameter of knowing the real situation, the method for generally adopting is
Two gyro sensors are selected to carry out high-low-range collocation, one measures low scope, and a measurement high scope so both ensures
Certain precision can ensure in the range of as far as possible again.Due to fill two sensors, it is required for carrying out record analysis, thus it is this
Method is added significantly to experimentation cost.It has the disadvantage that high cost, calculating are complicated, range is limited, installation requirement is high, is not suitable for
Know the real situation and test and the occasion to cost sensitivity.Parameter truly after the parameter of acquisition is not is additionally, since, therefore
Without high-precision necessity.Therefore, cost can be greatly increased according to measuring method traditional above, causes resource seriously unrestrained
Take.So, how relatively accurately to find out body actual revolution and can effective control cost just become one need solution
Technical problem certainly.
The content of the invention
Present invention seek to address that the problems referred to above, there is provided a kind of measurement apparatus and measuring method of body roll angle.
The measurement apparatus of body roll angle of the present invention, including body；Also include being arranged at the signal in body
Reason module and some infrared diodes pair for being uniformly arranged on body outer surface；The infrared diode is pointed to the same of body
On longitudinal section, an infrared diode is formed to ring；Each described infrared diode to including infrared-emitting diode and
One infrared receiver diode；Each described infrared diode with signal processing module to being electrically connected.
The measurement apparatus of body roll angle of the present invention, on the outer surface of the body several are equidistantly provided with
Infrared diode increases the quantity of infrared diode pair to ring by arranging multiple infrared diodes to ring, and with this this is improved
The precision of the invention measurement body rolling angle apparatus.
The measurement apparatus of body roll angle of the present invention, each described infrared diode pair and signal processing module it
Between be provided with a wave filter.
The measurement apparatus of body roll angle of the present invention, the signal processing module adopts model
The CPU of STM32F103RCT6TR.
The measurement apparatus of body roll angle of the present invention, the infrared diode to being embedded on body outer surface,
On the premise of ensureing infrared diode to stablizing, the flatness on body surface is improve, reduce its operating frictional resistance.
The measuring method of body roll angle of the present invention, comprises the steps：First, to the infrared diode to upper
Electricity, the infrared emission diode transmitting modulating wave of infrared diode centering；2nd, the modulating wave is met same after barrier reflection
The infrared receiving diode of infrared diode pair is received；Infrared receiver diode is turned on, and its output end level change produces pulse
Sequence signal；3rd, the filtered device of the pulse sequence signal delivers to signal processing module after processing, at Jing signal processing modules
Reason, according to the Changing Pattern of aforementioned pulse sequence signal, by signal processing module plug-in the rolling of body is calculated
Angle.Every time after upper electricity, the current state of systematic memory, infrared-emitting diode persistently launches modulating wave.The signal launched
Run into and detected by infrared receiving diode after reflection.After infrared receiving tube receives modulating wave, there is conducting phenomenon, cause
The output level change of place circuit.When modulating wave is not received by, then output level is always maintained at constant.So, body
Often rotate a circle, receiving apart from interior, once detecting, infrared receiving diode place loop output level state will occur
Change, reception pipe output end just produces set of pulses sequence signal.CPU in signal processing module is by continuously comparing
State change rule, calculates body rotational angle.
The method of measurement body roll angle of the present invention, it is characterised in that：The infrared diode pair and barrier
The distance between be less than or equal to 20m, the method for measurement body roll angle of the present invention is applied to along ground flying body, simply
It is reliable with low cost.
It is of the present invention measurement body roll angle method, by by infrared diode to be arranged in body table
Face, Jing infrared emission diodes therein launch modulating wave, by the infrared receiver diode of same infrared diode pair after reflection
Receive, produce pulse sequence signal, Jing signal processing modules calculate body roll angle.The measurement of body roll angle of the present invention
Apparatus structure is simple, it is big to react fast range and installation and debugging are convenient, it is easy to calculates operation, is suitable to popularization and application.
Description of the drawings
Fig. 1 is the theory diagram of the measurement apparatus of body roll angle of the present invention and measuring method；
Fig. 2 is the measurement apparatus of body roll angle of the present invention and measuring method mounting arrangement schematic diagram；
Wherein 1- bodies, 2- infrared diodes are to, 3- signal processing modules.
Specific embodiment
The measurement apparatus of body roll angle of the present invention, including body 1；Also include the signal being arranged in body 1
Processing module 3 and some infrared diodes for being uniformly arranged on the outer surface of body 1 are to 2；The infrared diode is located at body to 2
On 1 same longitudinal section, an infrared diode is formed to 2 rings；Each described infrared diode includes an infrared emission to 2
Diode and an infrared receiver diode；Each described infrared diode is electrically connected to 2 with signal processing module 3.Such as
Shown in Fig. 2, so that four infrared diodes are to 2 as an example, infrared diode is uniformly embedded on the outer surface of body 1, with signal to 2
Processing module 3 is electrically connected.
The measuring method of the roll angle of body of the present invention 1, step is as follows：First, to the infrared diode to electricity on 2,
Infrared diode launches modulating wave to the infrared emission diode in 2；2nd, the modulating wave is met after barrier reflection by same red
The infrared receiving diode of outer diode pair is received；Infrared receiver diode is turned on, and its output end level change produces pulse sequence
Column signal；3rd, the filtered device of the pulse sequence signal delivers to signal processing module 3 after processing, and signal processing module 3 is according to front
The Changing Pattern for stating pulse sequence signal calculates the roll angle of body 1.Every time after upper electricity, the current shape of systematic memory
State, infrared-emitting diode persistently launches modulating wave.The signal launched runs into and detected by infrared receiving diode after reflection.
After infrared receiving tube receives modulating wave, there is conducting phenomenon, the output level for causing place circuit changes.When without reception
During to modulating wave, then output level is always maintained at constant.So, body 1 often rotates a circle, receiving apart from interior, once detection
Arrive, infrared receiving diode place loop output level state will change, and reception pipe output end just produces a set of pulses
Sequence signal.CPU in signal processing module 3 calculates the angle of rotation of body 1 by continuously comparing state change rule
Degree.
As shown in figure 1, so that three groups of infrared diodes are to 2 as an example.Infrared transmission diode and infrared receiving diode point
Group is installed（Such as IO-1 and IO-1 ' is one group, and IO-2 and IO-2 ' is another group）, sent by two per group and connect with two
Diode composition is received, each hole position installs one and sends diode and a reception diode, and two hole positions are with respect to 180 °；Each
The infrared diode is to being provided with a wave filter between 2 and signal processing module 3.First group of an infrared receiver two
The output of pole pipe is sent to certain general purpose I/O pins of CPU Jing after processing（It is named as IO-1）, another infrared receiving diode
Export Jing after processing and be sent to certain general purpose I/O pins of CPU（It is named as IO-1 '）；Second group of an infrared receiving diode
Output certain general purpose I/O pins of CPU are sent to Jing after processing（It is named as IO-2）, the output of another infrared receiving diode
Certain general purpose I/O pins of CPU are sent to Jing after processing（It is named as IO-2 '）；By that analogy, an infrared receiver two of n-th group
The output of pole pipe is sent to certain general purpose I/O pins of CPU Jing after processing（It is named as IO-n）, another infrared receiving diode
Export Jing after processing and be sent to certain general purpose I/O pins of CPU（It is named as IO-n '）, pin IO-n, IO-n ' and above pin are not weighed
It is multiple；Code is write with programming language.Every time after upper electricity, the state of all I/O pins is write down as initial value, for example, 0001；When send out
The Changing Pattern of existing I/O pin when being consistent, then shows to have gone to corresponding angle with estimated.For example, if state be 0010 when table
90 ° of 1 turn of bright body.
Claims (7)
1. a kind of measurement apparatus of body roll angle, including body（1）；It is characterized in that：Also include being arranged at body（1）Interior
Signal processing module（3）Body is uniformly arranged on some（1）The infrared diode pair of outer surface（2）；The infrared diode
It is right（2）Positioned at body（1）Same longitudinal section on, formed an infrared diode pair（2）Ring；Each described infrared diode pair
（2）Including an infrared-emitting diode and an infrared receiver diode；Each described infrared diode pair（2）And signal
Processing module（3）It is electrically connected.
2. measurement apparatus of body roll angle according to claim 1, it is characterised in that：The body（1）Outer surface
On be equidistantly provided with several infrared diodes pair（2）Ring.
3. measurement apparatus of body roll angle according to claim 1 and 2, it is characterised in that：Each is described infrared two grades
Pipe is right（2）With signal processing module（3）Between be provided with a wave filter.
4. measurement apparatus of body roll angle according to claim 3, it is characterised in that：The signal processing module（3）
Using the CPU of model STM32F103RCT6TR.
5. measurement apparatus of body roll angle according to claim 4, it is characterised in that：The infrared diode is to inlaying
In body（1）On outer surface.
6. a kind of measuring method of body roll angle, it is characterised in that comprise the steps：First, to the infrared diode pair
（2）Upper electricity, infrared diode pair（2）In infrared emission diode transmitting modulating wave；2nd, the modulating wave meets barrier reflection
Afterwards by same infrared diode pair（2）Infrared receiving diode receive；Infrared receiver diode is turned on, and its output end level becomes
Change and produce pulse sequence signal；3rd, the filtered device of the pulse sequence signal delivers to signal processing module after processing（3）, Jing letters
Number processing module（3）Body is drawn after process（1）Roll angle.
7. the measuring method of body roll angle according to claim 6, it is characterised in that：The infrared diode pair（2）
20m is less than or equal to the distance between barrier.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611256733.7A CN106643570B (en) | 2016-12-30 | 2016-12-30 | Measuring device and measuring method for roll angle of projectile body |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611256733.7A CN106643570B (en) | 2016-12-30 | 2016-12-30 | Measuring device and measuring method for roll angle of projectile body |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106643570A true CN106643570A (en) | 2017-05-10 |
| CN106643570B CN106643570B (en) | 2020-02-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611256733.7A Active CN106643570B (en) | 2016-12-30 | 2016-12-30 | Measuring device and measuring method for roll angle of projectile body |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110044321A (en) * | 2019-03-22 | 2019-07-23 | 北京理工大学 | The method for resolving attitude of flight vehicle using Geomagnetism Information and angular rate gyroscope |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5259567A (en) * | 1990-11-09 | 1993-11-09 | Thomson-Csf | Optical device for measuring the roll angle of a projectile |
| JP2007250895A (en) * | 2006-03-16 | 2007-09-27 | Toshiba Matsushita Display Technology Co Ltd | Laser anneal device |
| EP2128555A2 (en) * | 2008-01-18 | 2009-12-02 | Diehl BGT Defence GmbH & Co.KG | Method for determining the roll angle position of a rotating missile |
| CN103115604A (en) * | 2013-01-18 | 2013-05-22 | 北京理工大学 | Method for measuring roll angle of guided cartridge based on scanning laser beams |
| CN103728647A (en) * | 2013-12-20 | 2014-04-16 | 西安电子工程研究所 | Projectile roll angle measurement method based on satellite carrier signal modulation |
-
2016
- 2016-12-30 CN CN201611256733.7A patent/CN106643570B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5259567A (en) * | 1990-11-09 | 1993-11-09 | Thomson-Csf | Optical device for measuring the roll angle of a projectile |
| JP2007250895A (en) * | 2006-03-16 | 2007-09-27 | Toshiba Matsushita Display Technology Co Ltd | Laser anneal device |
| EP2128555A2 (en) * | 2008-01-18 | 2009-12-02 | Diehl BGT Defence GmbH & Co.KG | Method for determining the roll angle position of a rotating missile |
| CN103115604A (en) * | 2013-01-18 | 2013-05-22 | 北京理工大学 | Method for measuring roll angle of guided cartridge based on scanning laser beams |
| CN103728647A (en) * | 2013-12-20 | 2014-04-16 | 西安电子工程研究所 | Projectile roll angle measurement method based on satellite carrier signal modulation |
Non-Patent Citations (1)
| Title |
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| 华仔: "采用FPGA/MCU技术的光电式滚转角测量仪的解决方案", 《百度》 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110044321A (en) * | 2019-03-22 | 2019-07-23 | 北京理工大学 | The method for resolving attitude of flight vehicle using Geomagnetism Information and angular rate gyroscope |
| CN110044321B (en) * | 2019-03-22 | 2021-01-29 | 北京理工大学 | Method for resolving aircraft attitude by using geomagnetic information and angular rate gyroscope |
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| Publication number | Publication date |
|---|---|
| CN106643570B (en) | 2020-02-18 |
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