CN113340150B - Mechanical state measuring system for complex loading mechanism - Google Patents
Mechanical state measuring system for complex loading mechanism Download PDFInfo
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F41—WEAPONS
- F41A—FUNCTIONAL FEATURES OR DETAILS COMMON TO BOTH SMALLARMS AND ORDNANCE, e.g. CANNONS; MOUNTINGS FOR SMALLARMS OR ORDNANCE
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Abstract
The invention discloses a mechanical state measuring system of a complex loading mechanism, which comprises a data acquisition subsystem, a data storage and transmission subsystem, a data analysis subsystem and a command receiving and sending subsystem, wherein the data acquisition subsystem is integrated in a test bomb; the system is used for testing and analyzing the artillery end to end from data acquisition to analysis, can solve the problems of difficult acquisition of mechanical environment data and insufficient quantitative analysis in the process of raising and supplying the artillery, and has the characteristics of simple and convenient use and accurate measurement result.
Description
Technical Field
The invention relates to the technical field of artillery weapons, in particular to a mechanical state measuring system for a complex loading mechanism.
Background
The problems of ammunition overload and other mechanical characteristics directly affect the reliability of gun firing and the safety of ammunition firing, but due to the complexity of the ammunition overload problem, a detailed model is difficult to establish theoretically; limited by traditional materials, processes and technical capabilities, and limited means of experimental tests; the traditional research work is carried out based on laboratory conditions or principle prototype conditions, and the mechanical environment of the gun lifting supply and delivery system is mastered at a certain distance from the actual situation;
at present, under the influence of measurement and acquisition means, field measurement conditions and sample size, the global property and objectivity of data are limited, and the complete and systematic quantitative test and description of the mechanical properties of the full dynamic process of the lifting supply and delivery system are still not available, so that an accurate physical model cannot be constructed, and the accuracy of artillery and ammunition design constraints is influenced.
Disclosure of Invention
Aiming at the existing problems, the invention aims to provide a mechanical state measuring system of a complex loading mechanism, which is used for carrying out end-to-end test and data analysis on artillery from data acquisition to analysis, can solve the problems of difficult acquisition and insufficient quantitative analysis of mechanical environment data in the process of artillery lifting and supply, and has the characteristics of simple and convenient use and accurate measuring result.
In order to achieve the purpose, the technical scheme adopted by the invention is as follows:
a mechanical state measuring system of a complex loading mechanism comprises a data acquisition subsystem, a data storage and transmission subsystem, a data analysis subsystem and a command receiving and sending subsystem, wherein the data acquisition subsystem is integrated in a test bomb;
the data acquisition subsystem comprises a vibration sensor, an impact sensor, an inertia measuring device, a stress sensor, a signal conditioning module, an acquisition controller and a clock module;
the data storage and transmission subsystem comprises a synchronous storage module and a wireless transmitting and receiving module;
the data analysis subsystem comprises a multi-source data preprocessing module, a mechanical characteristic data analysis module and a raising, supplying and conveying state identification and analysis module;
the instruction receiving and transmitting subsystem is used for sending commands to the data acquisition subsystem and the data storage and transmission subsystem.
Preferably, the signal output ends of the vibration sensor, the impact sensor, the inertia measuring device and the stress sensor are respectively connected with the analog signal input ends corresponding to the signal conditioning module; the vibration conditioning signal output end, the impact conditioning signal output end, the inertia measurement conditioning signal output end and the stress conditioning signal output end of the signal conditioning module are connected with the conditioning signal input end of the acquisition controller, and the mechanical state perception elastic state digital signal stream output end of the acquisition controller is respectively connected with the signal input ends of the synchronous storage module and the wireless transmitting and receiving module.
Preferably, the signal output end of the wireless transmitting and receiving module is connected with the corresponding multi-source data preprocessing module, and the multi-source data preprocessing module preprocesses data obtained by the acquisition controller and sends the data to the mechanical characteristic data analysis module and the lifting and delivery state recognition analysis module.
Preferably, the vibration sensor is used for measuring a vibration signal of the mechanical state sensing bomb in a range of 10Hz to 200Hz, and is matched with the charge amplifier to convert an overload signal into a voltage signal;
the impact sensor is used for measuring an impact signal of the mechanical state sensing bomb in the range of 50 Hz-10 kHz, and is matched with the charge amplifier to realize the conversion of an overload signal into a voltage signal;
the inertia measuring device is used for measuring the rotation angular speed of the mechanical state sensing bomb and resolving the attitude angle, speed and relative position information of the mechanical state sensing bomb;
the stress sensor is used for measuring a stress deformation signal of a cartridge case model in the mechanical state sensing bomb and is matched with the charge amplifier to convert the stress deformation signal into a voltage signal.
Preferably, the signal conditioning module is configured to uniformly adjust the input vibration analog signal, impact analog signal, inertia measurement analog signal, and stress analog signal into voltage signals representing vibration information, impact information, inertia measurement information, and stress information, so as to perform analog-to-digital conversion;
the acquisition controller is used for completing analog-to-digital conversion processing of the vibration conditioning signal, the impact conditioning signal, the inertia measurement conditioning signal and the stress conditioning signal, and acquiring and coding the vibration conditioning signal, the impact conditioning signal, the inertia measurement conditioning signal and the stress conditioning signal according to a preset frame format in the analog-to-digital conversion processing process to form a mechanical state perception bullet state digital signal stream;
the clock module is used for respectively carrying out time alignment on the vibration conditioning signal, the impact conditioning signal, the inertia measurement conditioning signal and the stress conditioning signal when the acquisition controller carries out acquisition coding so as to correctly comb data at a later stage and correctly reflect mechanical characteristics.
Preferably, the synchronous storage module is used for receiving the mechanical state sensing elastic state digital signal stream and completing synchronous storage of the acquired data;
the wireless transmitting and receiving module is used for converting the mechanical state perception elastic state digital signal stream into a wireless radio frequency signal and transmitting the wireless radio frequency signal through a microstrip antenna of the wireless transmitting and receiving module.
Preferably, the multi-source data preprocessing module is used for completing preprocessing operations of removing abnormal values, filtering and denoising, normalizing and the like of the vibration digital signal, the impact digital signal, the stress digital signal and the inertia measurement digital signal obtained by the acquisition controller;
the mechanical characteristic data analysis module analyzes the stress characteristic of ammunition in the lifting and supply process by combining a physical model on the basis of multi-source data preprocessed by the multi-source data preprocessing module;
the raising, supplying and conveying state identification and analysis module accurately identifies each action state of raising, supplying and conveying by combining ammunition stress characteristics obtained by the clock module for signal acquisition time calibration and the mechanical characteristic data analysis module on the basis of multi-source data preprocessed by the multi-source data preprocessing module.
Preferably, the mechanical state measuring system of the complex filling mechanism is further provided with a signal conditioning circuit, and the signal conditioning circuit is used for uniformly adjusting all input sensor analog signals into 0-2.5V voltage signals through a signal conditioning conversion circuit, so that AD analog-to-digital conversion is facilitated.
Preferably, the method for testing by using the mechanical state measuring system of the complex filling mechanism comprises the following steps:
step1: preparing a test;
step2: starting a test bomb;
step3: placing the test bomb on a bomb position of a bomb feeding chain;
step4: starting the artillery supply and delivery mechanism to start to act;
step5: the test bomb collects motion data;
step6: the motion of the feeding mechanism is finished;
step7: reading data collected by the test bomb;
step8: preprocessing test data;
step9: and (5) verifying the model.
The invention has the beneficial effects that: the invention discloses a mechanical state measuring system of a complex filling mechanism, compared with the prior art, the invention has the improvement that:
aiming at the problem that an accurate physical model cannot be constructed and the accuracy of artillery and ammunition design constraint is calculated in the prior art, the invention designs a mechanical state measuring system of a complex loading mechanism, which comprises a data acquisition subsystem, a data storage and transmission subsystem, a data analysis subsystem and a command receiving and transmitting subsystem; when the complex loading mechanism mechanical state measuring system is used, the complex loading mechanism mechanical state measuring system can be directly used for measuring the mechanical environment of a gun raising and supplying system, the mechanical characteristic data of the full dynamic process of the raising and supplying system under the actual working condition is obtained, the problems that the global property and the objectivity of test data under the working condition of a traditional laboratory or a principle prototype are insufficient and the like are solved, and the integrity guarantee is provided for the design constraint of guns and ammunition.
Drawings
FIG. 1 is a diagram of a test bullet model according to the present invention.
FIG. 2 is a diagram of a mechanical environment measuring system according to the present invention.
Fig. 3 is a flow chart of the test cartridge collecting the motion signal of the feeding mechanism.
Wherein: 1. the system comprises a data acquisition subsystem, a vibration sensor, a shock sensor, a clock module, a data storage and transmission subsystem, a synchronous storage module, a wireless transmitting and receiving module, a data analysis subsystem, a multi-source data preprocessing module, a mechanical characteristic data analysis module, a lifting and feeding state identification and analysis module, a command transceiving subsystem, a test bomb, a reinforced terminal, a battery, a recorder, an inertial navigation system, a micro-strip antenna and a signal transmitting hole, wherein the vibration sensor is 1.1, the shock sensor is 1.2, the inertial measurement device is 1.3, the stress sensor is 1.4, the signal conditioning module is 1.5, the acquisition controller is 1.6, the clock module is 1.7, the data storage and transmission subsystem is 2, the synchronous storage module is 2.2, the wireless transmitting and receiving module is 3, the data analysis subsystem is 3.1, the multi-source data preprocessing module is 3.2, the mechanical characteristic data analysis module is 3.3, the lifting and feeding state identification and analysis module is 4, the instruction transceiving subsystem, the test bomb is 6, the reinforced terminal, the battery is 7, the recorder, the micro-strip antenna and the signal transmitting hole is 11.
Detailed Description
In order to make those skilled in the art better understand the technical solution of the present invention, the following further describes the technical solution of the present invention with reference to the drawings and the embodiments.
Referring to fig. 1-3, the mechanical state measuring system for a complex loading mechanism comprises a data acquisition subsystem 1, a data storage and transmission subsystem 2, a data analysis subsystem 3, a data analysis subsystem and a command transceiving subsystem 4, wherein the data acquisition subsystem is integrated with a test bomb 5 (1;
the data acquisition subsystem 1 comprises a vibration sensor 1.1, an impact sensor 1.2, an inertia measuring device 1.3, a stress sensor 1.4, a signal conditioning module 1.5, an acquisition controller 1.6 and a clock module 1.7;
the data storage and transmission subsystem 2 comprises a synchronous storage module 2.1 and a wireless transmitting and receiving module 2.2;
the data analysis subsystem 3 comprises a multi-source data preprocessing module 3.1, a mechanical characteristic data analysis module 3.2 and a raising, supplying and conveying state identification and analysis module 3.3;
the instruction transceiving subsystem 4 is used for sending commands to the data acquisition subsystem 1 and the data storage and transmission subsystem 2.
In the above scheme, the signal output ends of the vibration sensor 1.1, the impact sensor 1.2, the inertia measuring device 1.3 and the stress sensor 1.4 are respectively connected to the analog signal input ends corresponding to the signal conditioning module 1.5; the vibration conditioning signal output end, the impact conditioning signal output end, the inertia measurement conditioning signal output end and the stress conditioning signal output end of the signal conditioning module 1.5 are connected with the conditioning signal input end of the acquisition controller 1.6, and the mechanical state perception elastic state digital signal stream output end of the acquisition controller 1.6 is respectively connected with the signal input ends of the synchronous storage module 2.1 and the wireless transmitting and receiving module 2.2; the signal output end of the wireless transmitting and receiving module 2.2 is connected with the corresponding multi-source data preprocessing module 3.1, and the multi-source data preprocessing module 3.1 carries out preprocessing operation on the data obtained by the acquisition controller 1.6 and then sends the data to the mechanical characteristic data analysis module 3.2 and the lifting and supplying state recognition analysis module 3.3 to form a mechanical state measuring system of the complex filling mechanism.
In the scheme, the vibration sensor 1.1 is used for measuring a vibration signal of the mechanical state sensing bomb in the range of 10 Hz-200 Hz, and is matched with the charge amplifier to convert an overload signal into a voltage signal;
the impact sensor 1.2 is used for measuring an impact signal of the mechanical state sensing bomb in the range of 50Hz to 10kHz, and is matched with the charge amplifier to realize the conversion of an overload signal into a voltage signal;
the inertia measuring device 1.3 is used for measuring the rotation angular velocity of the mechanical state sensing bomb and resolving the attitude angle, velocity and relative position information of the mechanical state sensing bomb;
the stress sensor 1.4 is used for measuring a stress deformation signal of a cartridge case model in the mechanical state sensing bomb and is matched with the charge amplifier to convert the stress deformation signal into a voltage signal;
in the above scheme, the signal conditioning module 1.5 is configured to uniformly adjust the input vibration analog signal, impact analog signal, inertia measurement analog signal, and stress analog signal into voltage signals for representing vibration information, impact information, inertia measurement information, and stress information, so as to facilitate analog-to-digital conversion;
the acquisition controller 1.6 is used for completing analog-to-digital conversion processing of the vibration conditioning signal, the impact conditioning signal, the inertia measurement conditioning signal and the stress conditioning signal, and acquiring and coding the vibration conditioning signal, the impact conditioning signal, the inertia measurement conditioning signal and the stress conditioning signal according to a preset frame format in the analog-to-digital conversion processing process to form a mechanical state perception elastic state digital signal stream;
in order to clearly and concisely express the digital signal stream of the mechanical state perception bomb of the artillery flying supply and delivery system and enhance the readability of data, the preset frame format is as follows:
the clock module 1.7 is used for respectively carrying out time alignment on the vibration conditioning signal, the impact conditioning signal, the inertia measurement conditioning signal and the stress conditioning signal when the acquisition controller 1.6 carries out acquisition coding so as to correctly comb data at the later stage and correctly reflect mechanical characteristics.
In the above scheme, the synchronous storage module 2.1 is configured to receive a mechanical state sensing elastic state digital signal stream, and complete synchronous storage of acquired data;
the wireless transmitting and receiving module 2.2 is used for converting the mechanical state sensing elastic state digital signal stream into a wireless radio frequency signal and transmitting the wireless radio frequency signal through a microstrip antenna 10 of the wireless transmitting and receiving module 2.2, wherein the microstrip antenna 10 transmits the signal through a signal transmitting hole 11;
in the above scheme, the multi-source data preprocessing module 3.1 is configured to perform preprocessing operations such as removing abnormal values, filtering noise reduction, normalization processing, and the like on the vibration digital signal, the impact digital signal, the stress digital signal, and the inertia measurement digital signal obtained by the acquisition controller 1.6;
the mechanical characteristic data analysis module 3.2 analyzes the ammunition stress characteristic in the hoisting and supply process by combining a physical model on the basis of the multi-source data preprocessed by the multi-source data preprocessing module 3.1;
the lifting, supplying and conveying state identification and analysis module 3.3 accurately identifies each action state of lifting, supplying and conveying by taking multi-source data preprocessed by the multi-source data preprocessing module 3.1 as a basis and combining the acquired signal time alignment of the clock module 1.7 and ammunition stress characteristics obtained by the mechanical characteristic data analysis module 3.2;
in the scheme, the method comprises the following steps: the complicated filling mechanism mechanical state measuring system is also provided with a signal conditioning circuit, and the signal conditioning circuit is used for uniformly adjusting all input sensor analog signals into voltage signals of 0-2.5V through a signal conditioning conversion circuit, so that AD analog-to-digital conversion is facilitated.
The testing method of the mechanical state measuring system of the complex filling mechanism comprises the following steps:
the process of acquiring the motion signal of the feeding mechanism by using the test bomb is as follows:
step1: preparing a test;
step2: starting a test bomb;
step3: putting the test bomb on a bomb position of a bomb feeding chain;
step4: starting the artillery supply and delivery mechanism to start to act;
step5: the test bomb collects motion data;
step6: the motion of the feeding mechanism is finished;
step7: reading data collected by the test bomb;
step8: preprocessing test data;
step9: and (5) verifying the model.
The foregoing shows and describes the general principles, principal features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (3)
1. The utility model provides a complicated filling mechanism mechanical state measurement system which characterized in that: the device comprises a data acquisition subsystem (1), a data storage and transmission subsystem (2), a data analysis subsystem (3) and an instruction transceiving subsystem (4), wherein the data acquisition subsystem (1) is integrated inside a test bomb (5), the data storage and transmission subsystem (2) and the instruction transceiving subsystem (4) are respectively arranged on the test bomb (5) and a reinforcing terminal machine (6), and the data analysis subsystem (3) is integrated in the reinforcing terminal machine (6);
the data acquisition subsystem (1) comprises a vibration sensor (1.1), an impact sensor (1.2), an inertia measuring device (1.3), a stress sensor (1.4), a signal conditioning module (1.5), an acquisition controller (1.6) and a clock module (1.7);
the data storage and transmission subsystem (2) comprises a synchronous storage module (2.1) and a wireless transmitting and receiving module (2.2);
the data analysis subsystem (3) comprises a multi-source data preprocessing module (3.1), a mechanical characteristic data analysis module (3.2) and a lifting supply state identification analysis module (3.3);
the instruction transceiving subsystem (4) is used for sending commands to the data acquisition subsystem (1) and the data storage and transmission subsystem (2);
the signal output ends of the vibration sensor (1.1), the impact sensor (1.2), the inertia measuring device (1.3) and the stress sensor (1.4) are respectively connected with the analog signal input ends corresponding to the signal conditioning module (1.5); the vibration conditioning signal output end, the impact conditioning signal output end, the inertia measurement conditioning signal output end and the stress conditioning signal output end of the signal conditioning module (1.5) are connected with the conditioning signal input end of the acquisition controller (1.6), and the mechanical state perception elastic state digital signal stream output end of the acquisition controller (1.6) is respectively connected with the signal input ends of the synchronous storage module (2.1) and the wireless transmitting and receiving module (2.2);
the signal output end of the wireless transmitting and receiving module (2.2) is connected with the corresponding multi-source data preprocessing module (3.1), and the multi-source data preprocessing module (3.1) preprocesses the data obtained by the acquisition controller (1.6) and sends the data to the mechanical characteristic data analysis module (3.2) and the lifting and supply state recognition analysis module (3.3);
the vibration sensor (1.1) is used for measuring a vibration signal of a mechanical state sensing bomb in a range of 10Hz to 200Hz, and is matched with a charge amplifier to convert an overload signal into a voltage signal;
the impact sensor (1.2) is used for measuring impact signals of a mechanical state sensing bomb in a range of 50Hz to 10kHz, and is matched with the charge amplifier to convert overload signals into voltage signals;
the inertia measuring device (1.3) is used for measuring the rotation angular velocity of the mechanical state sensing bomb and resolving the attitude angle, velocity and relative position information of the mechanical state sensing bomb;
the stress sensor (1.4) is used for measuring a stress deformation signal of a cartridge case model in the mechanical state sensing bomb and is matched with the charge amplifier to convert the stress deformation signal into a voltage signal;
the signal conditioning module (1.5) is used for uniformly adjusting the input vibration analog signal, impact analog signal, inertia measurement analog signal and stress analog signal into voltage signals for representing vibration information, impact information, inertia measurement information and stress information, so as to facilitate analog-to-digital conversion;
the acquisition controller (1.6) is used for completing analog-to-digital conversion processing of the vibration conditioning signal, the impact conditioning signal, the inertia measurement conditioning signal and the stress conditioning signal, and acquiring and coding the vibration conditioning signal, the impact conditioning signal, the inertia measurement conditioning signal and the stress conditioning signal according to a preset frame format in the analog-to-digital conversion processing process to form a mechanical state perception bullet state digital signal stream;
the clock module (1.7) is used for respectively carrying out time alignment on the vibration conditioning signal, the impact conditioning signal, the inertia measurement conditioning signal and the stress conditioning signal when the acquisition controller (1.6) carries out acquisition coding so as to correctly comb data at a later period and correctly reflect mechanical characteristics;
the synchronous storage module (2.1) is used for receiving the mechanical state sensing elastic state digital signal stream and completing synchronous storage of the acquired data;
the wireless transmitting and receiving module (2.2) is used for converting the mechanical state perception elastic state digital signal stream into a wireless radio frequency signal and transmitting the wireless radio frequency signal through a microstrip antenna (10) of the wireless transmitting and receiving module (2.2);
the multi-source data preprocessing module (3.1) is used for finishing preprocessing operations of removing abnormal values, filtering and denoising and normalizing the vibration digital signals, the impact digital signals, the stress digital signals and the inertia measurement digital signals obtained by the acquisition controller (1.6);
the mechanical characteristic data analysis module (3.2) analyzes the ammunition stress characteristic in the hoisting and supply process by combining a physical model on the basis of multi-source data preprocessed by the multi-source data preprocessing module (3.1);
the raising, supplying and conveying state identification and analysis module (3.3) accurately identifies each action state of raising, supplying and conveying by combining ammunition stress characteristics obtained by the clock module (1.7) to the acquisition signal time calibration and the mechanical characteristic data analysis module (3.2) on the basis of multi-source data preprocessed by the multi-source data preprocessing module (3.1).
2. The mechanical state measuring system of a complex loading mechanism according to claim 1, wherein: the mechanical state measuring system of the complex filling mechanism is also provided with a signal conditioning circuit, and the signal conditioning circuit is used for uniformly adjusting all input sensor analog signals into voltage signals of 0-2.5V through a signal conditioning conversion circuit, so that AD analog-to-digital conversion is facilitated.
3. The mechanical state measuring system of a complex loading mechanism according to claim 1, wherein: the method for testing by using the mechanical state measuring system of the complex filling mechanism comprises the following steps:
step1: preparing a test;
step2: starting a test bomb;
step3: placing the test bomb on a bomb position of a bomb feeding chain;
step4: starting a artillery supply and delivery mechanism to start to act;
step5: the test bomb collects motion data;
step6: the motion of the feeding mechanism is finished;
step7: reading data collected by the test bomb;
step8: preprocessing test data;
step9: and (5) verifying the model.
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| CN113916049A (en) * | 2021-10-26 | 2022-01-11 | 中北大学 | Reusable loading type test cartridge for testing firing force of firearms |
| CN116702513A (en) * | 2023-08-02 | 2023-09-05 | 中国空气动力研究与发展中心超高速空气动力研究所 | Design method of miniature storage module resistant to high overload |
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| CN105300197A (en) * | 2015-10-22 | 2016-02-03 | 中国兵器工业试验测试研究院 | Reinforced type data acquisition system |
| CN106323104B (en) * | 2016-09-29 | 2021-02-05 | 中国科学院长春光学精密机械与物理研究所 | Missile ground comprehensive testing device and method based on wireless network |
| CN106802648B (en) * | 2017-02-15 | 2019-01-29 | 中国人民解放军海军工程大学 | A kind of gun control system detection recording method |
| CN207407745U (en) * | 2017-10-25 | 2018-05-25 | 南京卓砾智测控技术有限公司 | A kind of Penetration ammunition dynamic parameter stores wireless test apparatus |
| CN110470173B (en) * | 2019-07-12 | 2021-07-27 | 中国人民解放军海军工程大学 | Mechanical state sensing bullet of artillery raising supply and delivery system and testing method thereof |
| CN111288858A (en) * | 2020-04-07 | 2020-06-16 | 中国工程物理研究院总体工程研究所 | Shell penetration high-impact overload testing device and method |
| CN111780612A (en) * | 2020-07-30 | 2020-10-16 | 中国兵器工业集团第二一四研究所苏州研发中心 | High-overload missile-borne comprehensive parameter testing system |
| CN112070925A (en) * | 2020-08-28 | 2020-12-11 | 北京宏动科技有限公司 | Universal missile-borne recorder with configurable and self-description functions |
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