CN103673791A - System for detecting and evaluating target high-speed impact damage - Google Patents
System for detecting and evaluating target high-speed impact damage Download PDFInfo
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Abstract
The invention relates to a system for detecting and evaluating target high-speed impact damage. The surface of a target is coated with an optical fiber sensor grid in a winding mode, after bearing external high-speed impact, an optical fiber impact sensor detects the size of an impact area and sends the size to a high-speed data processing device, a pressure container sensor set arranged in a target cabin detects a damaged area in a shell of the target and sends the position information of the damaged area to the high-speed data processing device, a stress-strain sensor detects stress deformation information of the target in different positions, demodulates the information and outputs the demodulated information to the high-speed data processing device, a large dynamic inertia measurement unit detects posture information of the target after sensitive impact and sends the information to the high-speed data processing device, and the high-speed data processing device analyzes the information and distributes the analyzed information to a solid data storage device and a high-speed data remote measuring and sending device. By means of the system, damage information after target high-speed impact can be detected in real time, the damage degree is evaluated, and the problem of evaluation of the weapon system acting capacity and the weapon system killing effect is solved.
Description
Technical field
The present invention relates to a kind of detection evaluating system for the damage of target high-speed impact, belong to weapon fragmentation effect assessment technology field in range test.
Background technology
In the range test of high-altitude, weapon mainly relies on the interception of kinetic energy body or kinetic energy piece to clash into and attacks target.Because target is mainly far away apart from surface-based observing station when suffering interception, shock, adopt the external observation means such as high-speed photography cannot determine impact damage position and inner real damage effect, to weapon fragmentation effect, can only assess qualitatively, can not carry out quantitative assessment.Therefore, scientific and rational assessment weapon fragmentation effect, target must self be furnished with damage check evaluating system.Current existing target detection means are effective, can not accurately locate impingement position, also cannot detect clashing into the structural deformation bringing, and can not to weapon fragmentation effect, make comprehensive analysis and evaluation by target internal inspection device.
Traditional shock detects can use electrical sensor, and still this method cannot be used in high-speed impact situation, because require sensor response speed soon, will damage sensor otherwise clash in a short period of time the stress producing under high-speed impact.Even if sensor is arranged in to the position away from rum point, this method also often cannot be proved effective, because it is fast that the speed that the relative velocity specific stress of high-speed impact is propagated in body structure sometimes is also wanted, before sensor detects the stress of shock, sensor is just knocked breaking-up.Also can realize clashing into discrete electrical sensor and detect, in this manner, the sensor (as wire, piezoelectric ceramics etc.) of conduction class is arranged in to the impingement region of precognition, and testing circuit is placed on to rear.But this mode reliability is not high, because under this ultrasonic high-speed impact, can form some unknown physical effects such as plasma on impact site surface, produce strong electromagnetic interference, make electrical sensor measurement become unstable, the surge current of generation or voltage even may damage the testing circuit of rear end.Because optical fiber has that volume is little, quality is light, intensity is high, good bandability, pliability be good, be not subject to Electromagnetic Interference, do not need additional power source, corrosion-resistant, be easy to imbed structure, set up monitoring grid, low cost and other advantages, so its sensor application field is quite extensive, existing researcher is applied to high-speed impact fault localization system.
Target is when being clashed into by kinetic energy body, the kinetic energy being subject to impacts large, can there is acute variation in attitude, the angular speed, the acceleration dynamic range that produce are large, the attitude transducer of target self cannot be measured the attitude information of this wide range great dynamic range, must rely on extra attitude transducer to realize.Large Dynamic Inertia measurement mechanism adopts silicon micro-gyroscope and silicon micro accerometer, and volume is little, dynamic range is large, range is high, cost is low, the application being proper for such an occasion.
Target is from suffering attack to finally being destroyed, system time is extremely of short duration, traditional telemetry system cannot arrive ground data telemetry within the so of short duration time, must adopt high-speed data remote measurement dispensing device that data are sent to grounded receiving station, in addition, also need to utilize solid data Backup Data, after range test finishes, reclaim retaking of a year or grade.
Summary of the invention
The object of the invention is to overcome the above-mentioned defect of prior art, a kind of detection evaluating system for the damage of target high-speed impact is provided, this system can detect in real time structural deformation after impingement position, size, shock, the inner extent of damage of target and attitude and change, the monitoring and evaluation problem of kill rank when solving range test target and being subject to weapon and killing and wounding.
Above-mentioned purpose of the present invention is mainly achieved by following technical solution:
A kind of detection evaluating system for the damage of target high-speed impact, comprise optical fiber impact microphone, pressure vessel sensor group, large Dynamic Inertia measuring unit, stress strain gauge group, high-speed data treating apparatus, solid data and HRT high-rate telemetry dispensing device, wherein optical fiber impact microphone comprises light path device, Fibre Optical Sensor grid and photodetection circuit, Fibre Optical Sensor grid is around covering and be fixed on target surface of shell, light path device, photodetection circuit, pressure vessel sensor group, large Dynamic Inertia measuring unit, stress strain gauge and high-speed data treating apparatus are arranged on target enclosure interior,
The optical signal transmission that light path device in optical fiber impact microphone sends is to Fibre Optical Sensor grid, and the optical signal reflecting through Fibre Optical Sensor grid is surveyed by photodetection circuit; Photodetection circuit is by surveying the described optical signal reflecting through Fibre Optical Sensor grid from there being the variation to nothing, determine the on off operating mode of corresponding sensor fibre in Fibre Optical Sensor grid, demodulate the corresponding rum point position of Fibre Optical Sensor grid and impingement region size, and described rum point position and impingement region size information are sent to high-speed data treating apparatus;
Pressure vessel sensor group is comprised of a plurality of pressure vessel sensors, surveys the affected area of target enclosure interior and the positional information of affected area is sent to high-speed data treating apparatus;
Angular speed and the angular acceleration information of X, Y, tri-directions of Z during the real-time measurement target drone flight of large Dynamic Inertia measuring unit, and described angular speed and angular acceleration information packs after compressing and sent to high-speed data treating apparatus; Wherein directions X is target heading, and Y, Z direction are the direction of any two vertical vector indications in the plane perpendicular to directions X;
Stress strain gauge group comprises sensor sensing head and demodulates information unit, wherein sensor sensing head is arranged in the diverse location of target inside, for surveying the stress deformation of target diverse location, and by the stress deformation communication of diverse location to demodulates information unit, demodulates information unit carries out exporting to high-speed data treating apparatus after demodulation to described stress deformation information;
High-speed data treating apparatus receives the positional information of the affected area that rum point position that optical fiber impact microphone sends and impingement region size information, pressure vessel sensor send, the stress deformation information after the demodulation that the angular speed after the packing compression that large Dynamic Inertia measuring unit sends and angular acceleration information, stress strain gauge send, status information in the same time not after obtaining target and clashing into, and send to solid data and HRT high-rate telemetry dispensing device;
Solid data is stored the status information receiving from high-speed data treating apparatus;
HRT high-rate telemetry dispensing device outwards sends the status information receiving from high-speed data treating apparatus.
At the above-mentioned detection evaluating system for the damage of target high-speed impact, large Dynamic Inertia measuring unit comprises the gyro group that three quadratures are installed, three accelerometer group and Information Collecting & Processing circuit that quadrature is installed, X when wherein the real-time measurement target drone of gyro group of three quadrature installations flies, Y, the angular velocity information of tri-directions of Z, and send to Information Collecting & Processing circuit, X when the real-time measurement target drone of accelerometer group of three quadrature installations flies, Y, the angular acceleration information of tri-directions of Z, and send to Information Collecting & Processing circuit, Information Collecting & Processing circuit is packed described angular speed and angular acceleration information after compression and is sent to high-speed data treating apparatus, wherein directions X is target heading, and Y, Z direction are the direction of any two vertical vector indications in the plane perpendicular to directions X.
At the above-mentioned detection evaluating system for target high-speed impact damage, Fibre Optical Sensor grid can be by longitude and latitude staggered or spiral interlace mode around covering and be fixed on target surface of shell.
At the above-mentioned detection evaluating system for the damage of target high-speed impact, in Fibre Optical Sensor grid, any two adjacent sensor fibre spacing can require to adjust according to impact damage position detection accuracy, and the less corresponding certainty of measurement of spacing is higher.
At the above-mentioned detection evaluating system for the damage of target high-speed impact, the gyro that three quadratures of large Dynamic Inertia measuring unit are installed is silicon micro-gyroscope, and the accelerometer of three quadrature installations is silicon micro accerometer.
At the above-mentioned detection evaluating system for the damage of target high-speed impact, stress strain gauge group is strain resistance-capacitance type or fiber Bragg grating type, and sensing head and signal demodulation unit are separated.
At the above-mentioned detection evaluating system for the damage of target high-speed impact, the data transfer bandwidth of HRT high-rate telemetry dispensing device is greater than 50MHZ.
The present invention's advantage is compared with prior art:
(1) the optical fiber impact microphone that the detection evaluating system that, the present invention damages for target high-speed impact adopts has advantages of fast response time, anti-strong electromagnetic, accuracy of detection is adjustable flexibly according to different demands, also have advantages of that good environmental adaptability, reliability are high simultaneously, meet the requirement of using under the mal-conditions such as high temperature in target flight course, vibration;
(2) the internal injury degree after the pressure vessel sensor that, the present invention adopts for the detection evaluating system of target high-speed impact damage and stress strain gauge can detect target and be impacted, especially for kinetic energy piece, clashing into this is not the fatal situation of a blow, can more fully weighs, assess fragmentation effect;
(3), the present invention has adopted the large Dynamic Inertia measurement mechanism of innovative design for the detection evaluating system of target high-speed impact damage, large Dynamic Inertia measurement mechanism comprises the gyro group that three quadratures are installed, three accelerometer group and Information Collecting & Processing circuit that quadrature is installed, because clash into, the original flight path of target will be changed, there are the various big-movements such as rolling, the gyro group of large Dynamic Inertia measuring unit and the change that accelerometer group can detect this track in real time, the attitude information of target while obtaining kinetic energy body shock target, before and after utilize clashing into, the target extent of damage and can survivability can be better assessed in the variation of attitude,
(4), the present invention adopts HRT high-rate telemetry dispensing device and passes at present target damage information for the detection evaluating system of target high-speed impact damage, long-range real-time online ground shows damage position, the internal injury degree of target housing and whether possesses the information of survival ability, or be stored in after reclaiming in the solid data that target carries and process again, there is very high reliability;
(5), the present invention for the detection evaluating system of target high-speed impact damage, have detect comprehensively, precision is high, reliability is high, good environmental adaptability, the advantage such as adjustable flexibly, has stronger practicality.
Accompanying drawing explanation
Fig. 1 is that the present invention is for the detection evaluating system structural representation of target high-speed impact damage.
The specific embodiment
Below in conjunction with the drawings and specific embodiments, the present invention is described in further detail:
Be illustrated in figure 1 the present invention for the detection evaluating system structural representation of target high-speed impact damage, the present invention comprises optical fiber impact microphone 1, pressure vessel sensor group 2, large Dynamic Inertia measuring unit 3, stress strain gauge group 4, high-speed data treating apparatus 5, solid data 6 and HRT high-rate telemetry dispensing device 7 for the detection evaluating system of target high-speed impact damage as seen from the figure.Wherein optical fiber impact microphone 1 comprises light path device 101, Fibre Optical Sensor grid 102 and photodetection circuit 103, Fibre Optical Sensor grid 102 is around covering and be fixed on target (target drone, target missile) surface of shell, and light path device 101, photodetection circuit 103, pressure vessel sensor group 2, large Dynamic Inertia measuring unit 3, stress strain gauge 4 and high-speed data treating apparatus 5 are arranged on target enclosure interior.
Fibre Optical Sensor grid 102 in optical fiber impact microphone 1 can be by longitude and latitude staggered or spiral interlace mode around covering and be fixed on target surface of shell, the optical signal transmission that light path device 101 sends is to Fibre Optical Sensor grid 102, and the optical signal reflecting through Fibre Optical Sensor grid 102 is surveyed by photodetection circuit 103; Photodetection circuit 103 is by surveying the described optical signal reflecting through Fibre Optical Sensor grid 102 from there being the variation to nothing, determine the on off operating mode of corresponding sensor fibre in Fibre Optical Sensor grid 102, demodulate Fibre Optical Sensor grid 102 corresponding rum point position and impingement region size, and this rum point position and impingement region size information are sent to high-speed data treating apparatus 5.
Fibre Optical Sensor grid 102 in the fixed form of target surface of shell is: first, at target surface of shell, according to optical fiber, around covering, in direction, offer groove, then sensor fibre is laid in groove, every 3-5cm, an adhesive spots is set, adhesive spots width is less than 1cm, epoxide-resin glue or the inorganic glue of utilizing elastic modelling quantity to be greater than 200Mpa are fixed on sensor fibre in groove, and silicon rubber or gel that the space between sensor fibre and groove adopts elastic modelling quantity to be less than 100Mpa are filled.Wherein, epoxide-resin glue, inorganic glue, silicon rubber or gel have added filler, the thermal coefficient of expansion of filler is less than 23 * 10-6/ ℃, filler is 1%～15% with respect to the mass percent of bonding agent, its effect is that the thermal coefficient of expansion reducing between bonding agent and optical fiber, target structural material does not mate, and avoids in violent temperature changing process that fiber stress is excessive to be damaged; Sensor fibre adopts polyimide coating, or carbon coating, or metal coating protection.In Fibre Optical Sensor grid 102, any two adjacent sensor fibre spacing can require to adjust according to impact damage position detection accuracy, and the less corresponding certainty of measurement of spacing is higher.
Pressure vessel sensor group 2 is comprised of a plurality of pressure vessel sensors, surveys the affected area of target enclosure interior and the positional information of affected area is sent to high-speed data treating apparatus 5.Pressure vessel sensor group 2 can form by the pressure vessel sensor by varying number according to target interior size, these pressure vessel sensors are distributed in the place that target is inner suitable as required, pressure vessel inside is full of inertia gases at high pressure, and sensor line separates with sensor head, after clashing into, sensor line detected pressures container damage situations.Pressure vessel sensor 2 can and need the point of monitoring to place according to target inside real space.
Large Dynamic Inertia measuring unit 3 comprises the gyro group 301 that three quadratures are installed, three accelerometer group 302 and Information Collecting & Processing circuit 303 that quadrature is installed, X when wherein the real-time measurement target drone of gyro group 301 of three quadrature installations flies, Y, the angular velocity information of tri-directions of Z, and send to Information Collecting & Processing circuit 303, X when the real-time measurement target drone of accelerometer group 302 of three quadrature installations flies, Y, the angular acceleration information of tri-directions of Z, and send to Information Collecting & Processing circuit 303, Information Collecting & Processing circuit 303 is packed this angular speed and angular acceleration information after compression and is sent to high-speed data treating apparatus 5.Wherein directions X is target heading, and Y, Z direction are the direction of any two vertical vector indications in the plane perpendicular to directions X.
The gyro 301 that three quadratures of large Dynamic Inertia measuring unit 3 are installed is silicon micro-gyroscope, and the accelerometer 302 of three quadrature installations is silicon micro accerometer, and the processing unit that signal acquisition processing circuit 303 is core by single-chip microcomputer, DSP or FPGA forms.
Stress strain gauge group 4 comprises sensor sensing head 401 and demodulates information unit 402, wherein sensor sensing head 401 is arranged in the diverse location of target inside, for surveying the stress deformation of target diverse location, and by the stress deformation communication of diverse location to demodulates information unit 402, this stress deformation information of 402 pairs of demodulates information unit carries out exporting to high-speed data treating apparatus after demodulation.Stress strain gauge 4 can be traditional strain resistance-capacitance type, can be also novel fiber Bragg grating type, and stress strain gauge sensing head 401 is separated with signal demodulation unit 402.
The position requirement that stress strain gauge 4 need to be monitored according to target, is attached to cabin section inwall.First epoxide-resin glue or the inorganic glue of utilizing elastic modelling quantity to be greater than 200Mpa are fixed on cabin section inwall by stress strain gauge centre, and silicon rubber or gel that stress strain gauge 4 adopts elastic modelling quantity to be less than 100Mpa are around reinforced.Wherein, epoxide-resin glue, inorganic glue, silicon rubber or gel have added filler, and the thermal coefficient of expansion of filler is less than 23 * 10
-6/ ℃, filler is 1%～15% with respect to the mass percent of bonding agent, its effect is that the thermal coefficient of expansion reducing between bonding agent and sensor, target structural material does not mate, and avoids producing extra-stress in violent temperature changing process.
High-speed data treating apparatus 5 receives rum point position and the impingement region size information that optical fiber impact microphone 1 sends, the positional information of the affected area that pressure vessel sensor 2 sends, angular speed and angular acceleration information after the packing compression that large Dynamic Inertia measuring unit 3 sends, stress deformation information after the demodulation that stress strain gauge 4 sends, status information in the same time not after obtaining target and clashing into, i.e. rum point position and impingement region size information in the same time not, the positional information of affected area, angular speed and angular acceleration information and stress deformation information, and above-mentioned information is sent to solid data 6 and HRT high-rate telemetry dispensing device 7 simultaneously.
Solid data 6 is stored the status information receiving from high-speed data treating apparatus 5.Solid data 6 is traditional black boxes, can bear mechanical environment and the thermal environment of large magnitude.
HRT high-rate telemetry dispensing device 7 outwards sends the status information receiving from high-speed data treating apparatus 5.The data transfer bandwidth of HRT high-rate telemetry dispensing device 7 is greater than 50MHZ.
The optical signal transmission that light path device 101 of the present invention sends is in Fibre Optical Sensor grid 102, and the optical signal Yan Yuan road reflecting through Fibre Optical Sensor grid 102 is surveyed by photodetection circuit 103 after returning; Angular speed and the angular acceleration information of three directions when large Dynamic Inertia measuring unit flies by gyro 301 and the real-time measurement target drone of accelerometer 302; The structural deformation situation of stress strain gauge group 4 Real-Time Monitoring target positions; Be distributed in target inside pressure vessel sensor group 2 Real-Time Monitorings everywhere force value separately; After target is clashed into or is tackled, the Fibre Optical Sensor grid 102 that is positioned at rum point will damage, the optical signal that photodetection circuit 103 is returned through Fibre Optical Sensor grid 102 by detection is from there being the variation to nothing, determine the on off operating mode of corresponding sensor fibre, demodulate corresponding rum point position and impingement region size, and this information is sent to high-speed data treating apparatus 5; Along with further carrying out of clashing into, impacting body will be deep into target inside, and the pressure vessel of target inside will be hit, and pressure vessel sensor group 2 detects impaired region and this information is sent to high-speed data treating apparatus; After shock, along with shock degree is different, will there is deformation in various degree everywhere in target surface texture, and stress strain gauge group 4 detects stress deformation everywhere and this information is sent to high-speed data treating apparatus; Meanwhile, because clash into, the original flight path of target will be changed, and the exercises such as rolling occur, the change to this track by examinations of large Dynamic Inertia measuring unit 3, and this variation is sent to high-speed data treating apparatus 7; State in the same time not after high-speed data treating apparatus 7 obtains target by above-mentioned information gathering, after processing and clashes into, and parallel solid data 6 and the HRT high-rate telemetry dispensing device 7 of sending to.HRT high-rate telemetry device 7 finally sends to ground by this information, and solid data 6, for information backup storage, finishes rear data analysis for range test.
The above; only be the specific embodiment of the best of the present invention, but protection scope of the present invention is not limited to this, is anyly familiar with in technical scope that those skilled in the art disclose in the present invention; the variation that can expect easily or replacement, within all should being encompassed in protection scope of the present invention.
In description of the present invention, be not described in detail content and belong to professional and technical personnel in the field's known technology.
Claims (7)
1. the detection evaluating system for target high-speed impact damage, it is characterized in that: comprise optical fiber impact microphone (1), pressure vessel sensor group (2), large Dynamic Inertia measuring unit (3), stress strain gauge group (4), high-speed data treating apparatus (5), solid data (6) and HRT high-rate telemetry dispensing device (7), wherein optical fiber impact microphone (1) comprises light path device (101), Fibre Optical Sensor grid (102) and photodetection circuit (103), Fibre Optical Sensor grid (102) is around covering and be fixed on target surface of shell, light path device (101), photodetection circuit (103), pressure vessel sensor group (2), large Dynamic Inertia measuring unit (3), stress strain gauge (4) and high-speed data treating apparatus (5) are arranged on target enclosure interior,
The optical signal transmission that light path device (101) in optical fiber impact microphone (1) sends is to Fibre Optical Sensor grid (102), and the optical signal reflecting through Fibre Optical Sensor grid (102) is surveyed by photodetection circuit (103); Photodetection circuit (103) is by surveying the described optical signal reflecting through Fibre Optical Sensor grid (102) from there being the variation to nothing, determine the on off operating mode of corresponding sensor fibre in Fibre Optical Sensor grid (102), demodulate Fibre Optical Sensor grid (102) corresponding rum point position and impingement region size, and described rum point position and impingement region size information are sent to high-speed data treating apparatus (5);
Pressure vessel sensor group (2) is comprised of a plurality of pressure vessel sensors, surveys the affected area of target enclosure interior and the positional information of affected area is sent to high-speed data treating apparatus (5);
Angular speed and the angular acceleration information of X, Y, tri-directions of Z during the measurement target drone flight in real time of large Dynamic Inertia measuring unit (3), and described angular speed and angular acceleration information packs after compressing and sent to high-speed data treating apparatus (5); Wherein directions X is target heading, and Y, Z direction are the direction of any two vertical vector indications in the plane perpendicular to directions X;
Stress strain gauge group (4) comprises sensor sensing head (401) and demodulates information unit (402), wherein sensor sensing head (401) is arranged in the diverse location of target inside, for surveying the stress deformation of target diverse location, and by the stress deformation communication of diverse location to demodulates information unit (402), demodulates information unit (402) carry out exporting to high-speed data treating apparatus (5) after demodulation to described stress deformation information;
High-speed data treating apparatus (5) receives the positional information of the affected area that rum point position that optical fiber impact microphone (1) sends and impingement region size information, pressure vessel sensor (2) send, the stress deformation information after the demodulation that the angular speed after the packing compression that large Dynamic Inertia measuring unit (3) sends and angular acceleration information, stress strain gauge (4) send, status information in the same time not after obtaining target and clashing into, and send to solid data (6) and HRT high-rate telemetry dispensing device (7);
Solid data (6) is stored the status information receiving from high-speed data treating apparatus (5);
HRT high-rate telemetry dispensing device (7) outwards sends the status information receiving from high-speed data treating apparatus (5).
2. a kind of detection evaluating system for target high-speed impact damage according to claim 1, it is characterized in that: described large Dynamic Inertia measuring unit (3) comprises the gyro group (301) that three quadratures are installed, three accelerometer group (302) and Information Collecting & Processing circuit (303) that quadrature is installed, X when wherein the real-time measurement target drone of the gyro group (301) of three quadrature installations flies, Y, the angular velocity information of tri-directions of Z, and send to Information Collecting & Processing circuit (303), X during the measurement target drone flight in real time of the accelerometer group (302) of three quadrature installations, Y, the angular acceleration information of tri-directions of Z, and send to Information Collecting & Processing circuit (303), Information Collecting & Processing circuit (303) is packed described angular speed and angular acceleration information after compression and is sent to high-speed data treating apparatus (5), wherein directions X is target heading, and Y, Z direction are the direction of any two vertical vector indications in the plane perpendicular to directions X.
3. a kind of detection evaluating system for target high-speed impact damage according to claim 1, is characterized in that: described Fibre Optical Sensor grid (102) can be by longitude and latitude staggered or spiral interlace mode around covering and be fixed on target surface of shell.
4. a kind of detection evaluating system for target high-speed impact damage according to claim 3, it is characterized in that: in described Fibre Optical Sensor grid (102), any two adjacent sensor fibre spacing can require to adjust according to impact damage position detection accuracy, and the less corresponding certainty of measurement of spacing is higher.
5. a kind of detection evaluating system for target high-speed impact damage according to claim 1, it is characterized in that: the gyro (301) that three quadratures of described large Dynamic Inertia measuring unit (3) are installed is silicon micro-gyroscope, the accelerometer (302) of three quadrature installations is silicon micro accerometer.
6. a kind of detection evaluating system for target high-speed impact damage according to claim 1, it is characterized in that: described stress strain gauge group (4) is strain resistance-capacitance type or fiber Bragg grating type, and sensing head (401) is separated with signal demodulation unit (402).
7. a kind of detection evaluating system for the damage of target high-speed impact according to claim 1, is characterized in that: the data transfer bandwidth of described HRT high-rate telemetry dispensing device (7) is greater than 50MHZ.
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| CN106839967A (en) * | 2017-04-10 | 2017-06-13 | 中国有色金属工业昆明勘察设计研究院 | Spherical ess-strain monitoring device that is a kind of multi-direction and can combining |
| CN112005075A (en) * | 2018-01-24 | 2020-11-27 | 惠曼创新解决方案公司 | Optical fiber system for detecting forces on and measuring deformations of anthropomorphic testing device |
| US11709105B2 (en) | 2018-01-24 | 2023-07-25 | Humanetics Innovative Solutions, Inc. | Fiber optic system for detecting forces on and measuring deformation of an anthropomorphic test device |
| CN108716878A (en) * | 2018-04-18 | 2018-10-30 | 西北机电工程研究所 | A kind of dynamic flying target Damage proficiency testing system and its test method |
| CN109523833A (en) * | 2018-11-05 | 2019-03-26 | 中设设计集团股份有限公司 | A kind of evidence-obtaining system and evidence collecting method of inland navigation craft and small bridge collision |
| US11885699B2 (en) | 2019-02-20 | 2024-01-30 | Humanetics Innovative Solutions, Inc. | Optical fiber system having helical core structure for detecting forces during a collision test |
| CN110044290A (en) * | 2019-04-22 | 2019-07-23 | 哈尔滨工程大学 | A kind of warship explosion Damage recognition integrated form measuring instrument |
| CN111121544A (en) * | 2019-12-10 | 2020-05-08 | 北京航天飞腾装备技术有限责任公司 | Accurate guidance bomb target bomb for rapid evaluation of damage efficiency |
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