CN116256818A - Vibration image composite sensor target simulation device - Google Patents
Vibration image composite sensor target simulation device Download PDFInfo
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- CN116256818A CN116256818A CN202310201543.9A CN202310201543A CN116256818A CN 116256818 A CN116256818 A CN 116256818A CN 202310201543 A CN202310201543 A CN 202310201543A CN 116256818 A CN116256818 A CN 116256818A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01H—MEASUREMENT OF MECHANICAL VIBRATIONS OR ULTRASONIC, SONIC OR INFRASONIC WAVES
- G01H17/00—Measuring mechanical vibrations or ultrasonic, sonic or infrasonic waves, not provided for in the preceding groups
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Abstract
The invention discloses a vibration image composite sensor target simulation device, and belongs to the technical field of wireless sensing. The system comprises a vibration signal file, a controller, a digital-to-analog converter, an amplitude regulator, a motion driver, a motor, a guide rail and a target picture model set; generating a simulated vibration signal file according to the data of the existing target; after the controller receives the generated vibration signal file, on one hand, the vibration signal file is converted into a control instruction according to the motion information in the vibration signal file and then is sent to the motion driver, and the motion driver generates a motor control signal to enable the target picture to move on the guide rail according to the scheme; on the other hand, the controller converts the distance information in the vibration signal file into a digital signal, the digital-to-analog converter receives the digital signal and converts the digital signal into an analog signal, and the analog signal is sent to the amplitude regulator to regulate the vibration information of the analog target. The invention does not need a large amount of research and development work of the external field test support sensor, and can effectively improve the research and development work efficiency.
Description
Technical Field
The invention relates to a vibration image composite sensor target simulation device, in particular to a simulation device for ground personnel and vehicle targets of a vibration image composite sensor, which can simulate characteristics of external personnel and vehicle targets in a laboratory environment to test performance of the vibration image composite sensor.
Background
The wireless sensor network forms a multi-hop network by a plurality of nodes in a self-organizing mode, and realizes the functions of data acquisition, processing and transmission. Wherein the sensor nodes that can sense various environmental variables of the outside world act as end nodes of the network. The vibration image composite sensor is an end node for detecting ground targets such as personnel, vehicles and the like, wherein the vibration transducer in the node detects ground vibration signals generated by the movement of the targets to finish the unattended operation of the node, when the ground vibration characteristics reach preset conditions, the image sensor in the node is triggered to work, the image sensor acquires target images, and the target vibration signals and the image information are processed and fused to generate target detection information of the node. In the research and development process of the vibration image composite sensor, a plurality of processing links such as acquisition of a target vibration signal, setting of preset vibration characteristic conditions, vibration and image information fusion and the like are supported by a large number of external field tests. The outfield test needs to test and verify various condition combination scenes such as different targets, distances, movement tracks, environments and the like, and consumes a great deal of manpower, material resources and time cost. The out-field test becomes a main factor for limiting the node research and development iteration progress, so that a target simulation device needs to be researched and developed, target motion characteristics in various combined scenes are simulated in a laboratory environment, and research and development work of the composite sensor is effectively supported.
Disclosure of Invention
In view of the above, the present invention provides a vibration image composite sensor target simulation apparatus. The device can simulate the characteristic data under various combined scenes of different targets, different distances, different motion tracks and different environmental conditions in a laboratory, does not need a large number of external field test support sensor research and development work, and can effectively improve research and development work efficiency.
In order to achieve the above purpose, the technical scheme adopted by the invention is as follows:
a vibration image compound sensor target simulation device comprises a vibration signal file (1), a controller (2), a digital-to-analog converter (3), an amplitude regulator (4), a motion driver (5), a motor, a guide rail (6) and a target picture model set (7);
the vibration signal file (1) is used for providing a digital file of the simulated target motion vibration signal;
the controller (2) outputs a control instruction containing motion information and a digital signal containing vibration information according to the received digital file;
the digital-to-analog converter (3) is used for performing digital-to-analog conversion on the received digital signal and outputting an analog signal;
the amplitude regulator (4) is used for carrying out amplitude regulation on the received analog signal so as to simulate vibration information of a target;
the motion driver (5) is used for receiving a control instruction of the controller (2) and generating a motor driving signal;
the motor and the guide rail (6) are driven by the motion driver signal to move along the guide rail according to the scheme, so as to simulate a plurality of target motion scenes;
the target picture model set (7) consists of a plurality of target models with different sizes and postures, is selected according to the characteristics of a target to be simulated, and is mounted on the motor to move along with the motor;
the simulation implementation process is specifically as follows:
generating a simulated vibration signal file according to the data of the existing target; after the controller receives the generated vibration signal file, on one hand, the vibration signal file is converted into a control instruction according to the motion information in the vibration signal file and then is sent to the motion driver, and the motion driver generates a motor control signal to enable the target picture to move on the guide rail according to the scheme; on the other hand, the controller converts the distance information in the vibration signal file into a digital signal, the digital-to-analog converter receives the digital signal and converts the digital signal into an analog signal, and the analog signal is sent to the amplitude regulator to regulate the vibration information of the analog target.
The beneficial effects generated by adopting the technical scheme are as follows:
the invention aims to solve the problem that a lot of manpower, material resources and time cost are consumed in the field test in the research and development process of the existing vibration image sensor, and provides a simulation device capable of performing ground target motion characteristics in a laboratory environment. The device can simulate the characteristic data under different targets, different distances, different motion trails and different environmental conditions in a laboratory, does not need a large amount of external field test support sensor research and development work, effectively reduces manpower, material resources and time cost, and improves research and development work efficiency.
Drawings
FIG. 1 is a block diagram of a simulation apparatus according to the present invention;
Detailed Description
The invention will be further described with reference to the drawings and detailed description.
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings of the embodiments will be briefly described below, and it will be apparent that the drawings in the following description are only some embodiments of the present invention, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
A vibration image compound sensor target simulation device comprises a vibration signal file (1), a controller (2), a digital-to-analog converter (3), an amplitude regulator (4), a motion driver (5), a motor, a guide rail (6) and a target picture model set (7);
the vibration signal file (1) is used for providing a digital file of the simulated target motion vibration signal;
the controller (2) outputs a control instruction containing motion information and a digital signal containing vibration information according to the received digital file;
the digital-to-analog converter (3) is used for performing digital-to-analog conversion on the received digital signal and outputting an analog signal;
the amplitude regulator (4) is used for carrying out amplitude regulation on the received analog signal so as to simulate vibration information of a target;
the motion driver (5) is used for receiving a control instruction of the controller (2) and generating a motor driving signal;
the motor and the guide rail (6) are driven by the motion driver signal to move along the guide rail according to the scheme, so as to simulate a plurality of target motion scenes;
the target picture model set (7) consists of a plurality of target models with different sizes and postures, is selected according to the characteristics of a target to be simulated, and is mounted on the motor to move along with the motor;
the simulation implementation process is specifically as follows:
generating a simulated vibration signal file according to the data of the existing target; after the controller receives the generated vibration signal file, on one hand, the vibration signal file is converted into a control instruction according to the motion information in the vibration signal file and then is sent to the motion driver, and the motion driver generates a motor control signal to enable the target picture to move on the guide rail according to the scheme; on the other hand, the controller converts the distance information in the vibration signal file into a digital signal, the digital-to-analog converter receives the digital signal and converts the digital signal into an analog signal, and the analog signal is sent to the amplitude regulator to regulate the vibration information of the analog target.
Further description is provided below by way of more specific examples:
as shown in fig. 1, a vibration image composite sensor target simulation apparatus includes: a vibration signal file 1, a controller 2, a digital-to-analog converter 3, an amplitude regulator 4, a motion driver 5, a motor and a guide rail 6, and a target picture model set 7. The embodiment is shown in fig. 1 with the connection lines.
The vibration signal file 1 is a digitalized file of a motion vibration signal of an analog target, and the file can have different distances, speeds and noise levels according to the characteristics of the analog target; the controller 2 performs file output and device simulation control including suspension, start, etc. according to the input vibration signal file as required. Meanwhile, the controller can receive a control signal output by the vibration image composite sensor and trigger the motion driver to execute actions; the digital-to-analog converter 3 carries out analog-to-digital conversion on the digital signal output by the controller and outputs an analog signal; the amplitude regulator 4 regulates the amplitude of the output analog signal to meet the interface requirement of the vibration image sensor; the motion driver 5 receives a control instruction of the controller 2 and generates a motor driving signal; the motor and the guide rail 6 are driven by the motion driver signals to move along the guide rail according to a preset scheme, and the motor can be composed of a plurality of motors and is used for simulating a plurality of target motion scenes; the target picture model set 7 consists of a plurality of target models with different sizes and postures, is selected according to the characteristics of the target to be simulated, and is mounted on the motor to move along with the motor.
The following describes the implementation process of the simulation device by taking a single target with a distance of 30 meters from the sensor node as an example, tangential motion:
(1) Generating a vibration signal file: and correcting the target distance, the target speed, the target weight and the environmental noise according to the data of the existing tangential movement personnel target, and generating a vibration signal file of the simulation.
(2) Selecting a target picture: and selecting a picture of a target with a distance of 30 meters, and mounting the picture to a motor.
(3) Vibration signal loading: and inputting the vibration signal file and the simulation control file into the controller to finish the loading of the vibration file.
(4) Vibration signal simulation: after target simulation is started, according to the setting of the control file, the vibration signal is input to the sensor node after digital-to-analog conversion and amplitude adjustment.
(5) Image target simulation: and the controller controls the motion driver according to an image starting signal output by the vibration image composite sensor, and drives the motor to drive the target image to move along the track so as to complete the target image simulation task.
Claims (1)
1. The target simulation device of the vibration image composite sensor is characterized by comprising a vibration signal file (1), a controller (2), a digital-to-analog converter (3), an amplitude regulator (4), a motion driver (5), a motor, a guide rail (6) and a target picture model set (7);
the vibration signal file (1) is used for providing a digital file of the simulated target motion vibration signal;
the controller (2) outputs a control instruction containing motion information and a digital signal containing vibration information according to the received digital file;
the digital-to-analog converter (3) is used for performing digital-to-analog conversion on the received digital signal and outputting an analog signal;
the amplitude regulator (4) is used for carrying out amplitude regulation on the received analog signal so as to simulate vibration information of a target;
the motion driver (5) is used for receiving a control instruction of the controller (2) and generating a motor driving signal;
the motor and the guide rail (6) are driven by the motion driver signal to move along the guide rail according to the scheme, so as to simulate a plurality of target motion scenes;
the target picture model set (7) consists of a plurality of target models with different sizes and postures, is selected according to the characteristics of a target to be simulated, and is mounted on the motor to move along with the motor;
the simulation implementation process is specifically as follows:
generating a simulated vibration signal file according to the data of the existing target; after the controller receives the generated vibration signal file, on one hand, the vibration signal file is converted into a control instruction according to the motion information in the vibration signal file and then is sent to the motion driver, and the motion driver generates a motor control signal to enable the target picture to move on the guide rail according to the scheme; on the other hand, the controller converts the distance information in the vibration signal file into a digital signal, the digital-to-analog converter receives the digital signal and converts the digital signal into an analog signal, and the analog signal is sent to the amplitude regulator to regulate the vibration information of the analog target.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310201543.9A CN116256818A (en) | 2023-03-06 | 2023-03-06 | Vibration image composite sensor target simulation device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202310201543.9A CN116256818A (en) | 2023-03-06 | 2023-03-06 | Vibration image composite sensor target simulation device |
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| CN116256818A true CN116256818A (en) | 2023-06-13 |
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| CN202310201543.9A Pending CN116256818A (en) | 2023-03-06 | 2023-03-06 | Vibration image composite sensor target simulation device |
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- 2023-03-06 CN CN202310201543.9A patent/CN116256818A/en active Pending
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