KR101355928B1 - Control system mounted at the projectile and control method thereof - Google Patents

Abstract

A control system mounted on a projectile according to an embodiment of the present invention includes a transmitter and receiver unit mounted on the inside of the projectile and transmitting and receiving wireless signals from ground equipment through an antenna; a processor processing the signals transmitted and received from the transmitter and receiver unit and receiving the signals from a plurality of sensors mounted on the projectile; and a main controller controlling the operation of the projectile by using the signals outputted from the processor. The processor is formed in order for each mode, transmitting the signals between the transmitter and receiver unit, the processor, and the main controller, to be operated in a time division system. [Reference numerals] (100) Ultrahigh frequency transmitter and receiver unit; (11) Main controller; (12) Sensor; (20) Ground equipment; (200) Processor; (30) Target

Description

CONTROL SYSTEM MOUNTED AT THE PROJECTILE AND CONTROL METHOD THEREOF}

One embodiment of the present invention relates to a control system mounted on a bullet and a method of controlling the same. More specifically, the functions of command transmission, reception, telemetry and fuse transmission and reception are independently performed in one transceiver using a time division method. It is about a technique that can be performed.

Recently, warheads that concentrate warhead fragments toward the target's direction have been developed to increase the hitting effect on the target, and this target-oriented warhead has a target position identification for detecting the distance and direction to the target. Fuze sensor can be installed to explode the bullet at a certain position.

In addition, the bullet may be provided with a transmission and reception device in addition to the fuse sensor. Such a transceiving device can form a control system of bullet. This control system is composed of an antenna and a signal processor, and transmits and receives electromagnetic waves using a plurality of antennas in the circumferential direction on the surface of the body, and analyzes the received signals from these antennas when the target is located at a short distance. It may be configured to determine the distance and the direction of the target.

In addition, in recent years in the US and European countries, studies are being actively conducted to increase accuracy by extending the maximum range of artillery shells such as howitzers and mortars, or correcting the trajectory of the artillery shells using GPS. In the artillery shell development, telemetry technology is applied for the transmission of motion and trajectory information and various sensor data of artillery shells. The telemetry device mounted on the artillery shell is composed of an antenna, a sensor, a modulator, and an RF transmitter.

In addition, a command link is required for transmitting a specific command from the ground at the time of firing the artillery shell and receiving a response thereto. Such a command transceiver mainly transmits and receives data using electromagnetic waves, and has a configuration of a conventional radio transceiver.

In order to have all of the above-described fuse transmission / reception, telemetry, and command transmission / reception functions, devices having respective functions must be mounted inside the bullet, but conventionally, most missiles except large guided missiles having sufficient space in the shells. In the case of or artillery shell, there was a problem that the installation is difficult because the interior space is quite narrow.

Therefore, in the case of a small-caliber shell having a small internal space, there is a problem in that it cannot perform all of the fuse transmission, reception, telemetry and command transmission and reception functions.

The present invention has been made to solve the above problems, an object of the present invention is to provide an ultra-high frequency transceiver and a processor to independently perform the function of time transmission and reception, fuse transmission and reception, telemetry and command transmission and reception by shells, This is to significantly reduce the number of parts required for manufacturing.

Still another object of the present invention is to equip a multi-function transceiver that can be installed even in a small-caliber shell having a small internal space, so that it can perform both fuse transmission, telemetry and command transmission and reception functions.

In order to achieve the above object of the present invention, the control system mounted on the bullet according to an embodiment of the present invention, the transceiver is formed in the bullet, and is formed to transmit and receive radio signals from the ground equipment through the antenna; And a processor configured to process signals transmitted and received from the transceiver and to receive signals from a plurality of sensors mounted in the bullet box, and a main controller controlling the operation of the bullet using signals output from the processor. The processor is configured such that the modes for transmitting signals between the transceiver, the processor, and the main controller operate in a time division manner.

According to an example related to the present disclosure, each of the modes may include a command transmission / reception mode for transmitting a signal between the ground equipment and the main controller, a remote measurement mode for synthesizing data measured from sensors, and transmitting the synthesized data to the ground equipment. And a fuse transmission / reception mode for measuring a relative position and distance information between the warhead and outputting a target detection signal to the main controller.

According to an example related to the present disclosure, the processor may further include: a data modulator demodulating and decoding a received signal; and a data synthesizer configured to receive signals from the sensor and the main controller, synthesize data, and output the synthesized data to the data modulator. And when the signal reflected by the target is received from the data modulation and demodulation unit, it may include a target position identification unit for measuring the relative position and distance information with respect to the target.

According to an example related to the present invention, the data modulation / demodulation unit includes an amplitude shift keying (ASK) method, a frequency shift keying (FSK) method, a phase shift keying (PSK) method, a continuous wave (CW) method, and a binary phase shift keying (BPSK). It may be formed to demodulate the signal or data in any one or more of the method, the pulse (Pulse) method, the frequency modulated continuous wave (FCMW) method.

According to an example related to the present invention, a command is transmitted from the ground equipment through the transceiver, and the command may include command information for changing the order or time at which each mode is performed.

In addition, another embodiment of the present invention to achieve the above object, when the bullet is launched toward the target, transmitting and receiving unit transmits a microwave signal to the target, and when the signal reflected from the target is received through the antenna, The transceiver unit outputs the received reflected signal to the processor, the processor analyzes the reflected signal to measure distance and position information from the target, and distance and position information from the target satisfy a predetermined condition. And outputting a target detection signal to the main controller, wherein the signals of the steps are time-divided and independently processed by the processor.

According to the present invention as described above, even in the case of artillery bullets having a narrow internal space of the shell, it is possible to remotely measure, send and receive commands, and fuse transmission and reception, it is possible to detect the exact distance and direction of the large target, shell development process In the present invention, it is possible to collect the motion and trajectory information of the shell and various sensor data, and to transmit and receive the command and response of the shell and the ground equipment after the shell is fired.

In addition, by installing a control system capable of remote measurement, command transmission and reception and fuse transmission, it is possible to effectively use the space inside the shell, it is possible to significantly reduce the cost required for the production of the shell.

1 is a block diagram illustrating a control system mounted on a bullet according to an embodiment of the present invention.
FIG. 2 is a block diagram illustrating a specific configuration of the processor of FIG. 1.
FIG. 3 is a diagram illustrating a time division method of the processor of FIG. 1.
4 is a flowchart illustrating the operation of the fuse transmission and reception mode of FIG.

EMBODIMENT OF THE INVENTION Hereinafter, the control system attached to the bullet which concerns on this invention, and its control method are demonstrated in detail with reference to drawings. The suffix "module" and " part "for the components used in the following description are given or mixed in consideration of ease of specification, and do not have their own meaning or role.

In the present specification, the same or similar reference numerals are given to different embodiments in the same or similar configurations. As used herein, the singular forms "a", "an" and "the" include plural referents unless the context clearly dictates otherwise.

1 is a block diagram illustrating a control system mounted on a bullet according to an embodiment of the present invention, Figure 2 is a block diagram showing a specific configuration of the processor of FIG.

1 and 2, the control system 14 according to an embodiment of the present invention is installed in the bullet 10 together with the main controller 11, the plurality of sensors 12, and the antenna 13.

Herein, the bullet 10 may be used in howitzers or mortars as target-oriented bullets. It can also be used for warheads that constitute small-caliber guided missiles.

The main controller 11 controls the fuse (not shown), the propulsion device (not shown), etc. of the bullet 10, and controls the core operations such as whether the bullet 10 is detonated, flight speed control.

The plurality of sensors 12 are installed inside the bullet 10 to detect motion and trajectory information of the bullet 10 and the state of the bullet 10. In one embodiment, the plurality of sensors 12 are installed in the main components of the bullet 10 to indicate the operating state for each component, the acceleration sensor for detecting the speed change, the gyro sensor for detecting the rotational movement and the bullet 10 It may be a temperature sensor for measuring the internal temperature.

The antenna 13 transmits and receives electromagnetic waves. The number of antennas 13 may be at least one, and the control system 14 analyzes the received signals from the plurality of antennas 13 to determine the distance to the target and the direction of the target.

The number of antennas 13 is based on the angle at which the fragments of the warhead 10 are concentrated, so that the smaller the angle is, in other words, the number of antennas is preferably increased to increase the resolution in the direction of the target.

The control system 14 transmits and receives the microwave signal through the antenna 13, analyzes the microwave signal received through the antenna 13, measures the distance and position with respect to the target, and commands the ground equipment 20. Encoded and output to the main controller 11, the signals of the plurality of sensors 12 are synthesized into data, decoded, and transmitted to the ground equipment 20 through the antenna 13.

The detailed configuration of the control system 14 will be described below.

The control system 14 processes the ultra-high frequency transceiver 100 for transmitting / receiving an ultra-high frequency signal through the antenna 13 and the ultra-high frequency signal received from the ultra-high frequency transceiver 100 and the sensing data received from the plurality of sensors 12. And a processor 200.

The ultra-high frequency transceiver 100 transmits and receives electromagnetic waves through the antenna 13. The ultra-high frequency transceiver 100 receives a command from the ground equipment 20 or sends a response to the command to the ground equipment 20, and transmits the response data received from the processor 200 to the internal state of the sensing data and the bullet 10. Sends a signal to the ground equipment (20).

In addition, the ultra-high frequency transceiver 100 transmits an ultra-high frequency signal to the target 30 in order to determine a distance and a position from the target 30, and receives the reflected wave signal reflected by the target to the processor 200. .

The processor 200 analyzes the ultra-high frequency signals received through the antenna 13 to measure the distance and position with respect to the target, encodes a command of the ground equipment 20, and outputs the command to the main controller 11. The signals of the sensor 12 are synthesized into data, decoded, and transmitted to the ground equipment 20 through the antenna 13.

That is, the processor 200 may perform a command transmission / reception mode, a remote measurement mode, and a fuse transmission / reception mode, and perform the command transmission / reception mode, the remote measurement mode, and the fuse transmission / reception mode in a time division manner, so that each of the modes is performed independently. To control.

In one embodiment, the processor 200 may include a data modulation / demodulation unit 210, a data synthesizing unit 220, and a target position identification unit 230.

The data modulation / demodulator 210 decodes the frequency signal received from the microwave transceiver 100 and outputs it to the main controller 11 or the target position identifier 230, or encodes the data received from the data synthesizer 220. And output to the ultra-high frequency transmission unit 100.

In one embodiment, the data modulation / demodulation is performed by considering the detectable distance according to the distance to the ground equipment 20 or the target 30, the time to reach the target 30, the reception sensitivity, the distance precision, and the like. ), FSK (Frequency Shift Keying), PSK (Phase Shift Keying), CW (Continuous Wave), BPSK (Binary Phase Shift Keying), Pulse (Pulse), Frequency Modulated Continuous Wave (FMCW) The above method can be selected and performed.

The data synthesizing unit 220 receives various sensor signals from the plurality of sensors 12 and the main controller 11 and signals relating to the state of the bullet 10, and synthesizes the received signals into data to convert the data into a data demodulation unit ( 210).

When the target position identifying unit 230 receives the reflected wave signal reflected by the target 30 from the microwave transceiver 100, is encoded and received by the data modulation / demodulation unit 210, the target position identification unit 230 analyzes the received data to determine the distance and position of the target. Measure

The method of measuring the distance and the position from the target may be different according to the data modulation / demodulation method, and each method has different characteristics such as detectable distance, distance accuracy, and reception sensitivity, so select a method suitable for the system to be applied. Should be.

For example, when it is necessary to detect a distance and a direction from a target within a short distance, high distance measurement accuracy, and a relatively short time, a code correlation method and a reception power comparison method, which is a type of continuous wave (CW) method, may be used.

FIG. 3 is a diagram illustrating a time division method of the processor of FIG. 1.

Referring to FIG. 3, the processor 200 includes a command transmission / reception mode (T1) capable of exchanging commands with the ground equipment 20, a plurality of sensors 12 installed in the shell 20, and a main controller 11. Time division of the remote measurement mode (T2) which transmits to the ground equipment (20) about the motion, the trajectory, and the state of the shell 20 from the fuse 20 and the fuse transmission / reception mode (T3) which measures the distance and position with the target (30). In the manner of, but controls to perform each mode independently.

Specifically, in the command transmission and reception mode (T1), the processor 200 receives a command signal transmitted in the form of electromagnetic waves from the ground equipment 20 through the ultra-high frequency transceiver 100 and transmits it to the main controller 11 of the bullet 10. And, it outputs the response of the main controller 11 to the command to the ultra-high frequency transceiver 100 to communicate with the ground equipment 20.

Here, the command refers to a command for controlling and setting the bullet 10. In the case of the time fuse, the flight time information up to the detonation time point, the explosion altitude information in the case of the proximity fuse, the driving information for the attitude control of the bullet, and the like. It may include.

In one embodiment, the instructions may include instructions such as disarming the bullet 10, changing the target 30, changing the detonation condition, etc., in which order or time each mode (T1, T2, T3) is performed. It may include command information for changing the. Thus, the order and time at which each of the modes T1, T2, and T3 are performed may be set by the initial setting, but this setting may be changed by the instruction.

In addition, the response may be a previously promised response such as whether or not the command is correctly received according to the command signal, a result value during or after the command is executed.

In the remote measurement mode (T2), the processor 200 synthesizes data by receiving signals about the motion, the trajectory, and the state of the inside of the bullet 10 from the plurality of sensors 12 and the main controller 11. Outputs the data to the ultra-high frequency transceiver 100 to control the synthesized data to be transmitted to the ground equipment (20).

In the fuse transmission / reception mode T3, the processor 200 receives an electromagnetic wave signal from the microwave transceiver 100, measures a distance and a position of the target 30, and transmits a target detection signal to the main controller 11 of the bullet 10. Control to output

That is, the fuse transmission / reception mode is a case where the control system 14 performs an operation with the fuse sensor. In this case, since the modulation / demodulation method of the signal is also related to the method of measuring the distance and the direction from the target, the target 30 The modulation / demodulation method of the ultra-high frequency signal to be sent to the target 30 and the reflected wave signal reflected from the target in consideration of the detectable distance according to the distance from the target, the time to reach the target 30, the reception sensitivity, and the distance accuracy. Can be done.

In one embodiment, the data modulation and demodulation method is Amplitude Shift Keying (ASK), Frequency Shift Keying (FSK), Phase Shift Keying (PSK), Continuous Wave (CW), Binary Phase Shift Keying (BPSK), Pulse It may be one or more of the pulse (Pulse) method, FMCW (Frequency Modulated Continuous Wave) method.

4 is a flowchart illustrating the operation of the fuse transmission and reception mode of FIG.

Referring to FIG. 4, in the fuse transmission / reception mode, the microwave transmission / reception unit 100 transmits an microwave signal through the antenna 13 to determine a distance and a position with the target 30 (S300). The transmitted microwave signal is reflected back to the target 30. When the reflected wave signal reflected from the target 30 is received through the antenna 13, the microwave transceiver 100 transmits the reflected wave signal to the processor 200. (S310).

The processor 200 may select a distance measurement and direction detection method according to a modulation and demodulation method, and the processor 200 analyzes the received reflected wave signal by using the selected distance measurement and direction detection method, and determines the distance from the target 30. The position is measured (S320).

The processor 200 outputs a target detection signal to the main controller 11 when the measured distance and position value of the target satisfy a preset condition (S330).

In this case, the preset condition may be a distance range in which the bullet 10 approaches the target 30, and the like may be changed by a command transmitted from the ground equipment 20.

In addition, the target detection signal output to the main controller 11 when the preset condition is satisfied may be a signal including information such as a distance to the target 30, a direction, a relative speed, and the strength of the received signal. The controller 11 outputs the detonation signal for finally detonating the bullet using information included in the target detection signal.

The control system mounted on the bullet described above and the method of controlling the same are not limited to the configuration and method of the embodiments described above, but the embodiments may be all or all of the embodiments so that various modifications may be made. Some may be optionally combined.

10: shell 20: ground equipment
30 target 11 main controller
12: a plurality of sensors 13: antenna
14: control system 100: ultra-high frequency transceiver
200: processor 210: data modulation and demodulation unit
220: data synthesizing unit 230: target position identification unit

Claims (6)

In the control system mounted on the bullet,
The control system includes:
A transceiver configured to be mounted in the bullet box and configured to transmit and receive a radio signal from ground equipment through an antenna;
A processor configured to process signals transmitted and received from the transceiver, and receive signals from a plurality of sensors mounted in the bullet; And
It includes a main controller for controlling the operation of the bullet using the signal output from the processor,
The processor comprising:
And a mode for transmitting signals between the transceiver, the processor, and the main controller to operate in a time division manner. The method of claim 1,
Each of the above modes,
The main controller by measuring a relative position and distance between a command transmission / reception mode for transmitting signals between the ground equipment and the main controller, a remote measurement mode for synthesizing data measured from sensors, and transmitting the data to the ground equipment; And a fuse transmission / reception mode for outputting a target detection signal. The method of claim 1,
The processor comprising:
A data modulator demodulating and decoding the received signal;
A data synthesizing unit configured to receive signals from the sensor and the main controller, synthesize data, and output the synthesized data to the data modulation and demodulation unit; And
And a target position identification unit which analyzes the signal reflected by the target from the data modulation and demodulation unit and measures the relative position and distance information with respect to the target. The method of claim 3,
The data modulation and demodulation unit,
ASK (Amplitude Shift Keying), FSK (Frequency Shift Keying), PSK (Phase Shift Keying), CW (Continuous Wave), BPSK (Binary Phase Shift Keying), Pulse (Pulse), FMCW (Frequency Modulated Continuous) Control system mounted to the bullet, characterized in that for demodulating the signal or data in any one or more of the wave (wave) method. The method of claim 1,
The command is transmitted from the ground equipment through the transceiver,
And the command includes command information for changing the order or time at which each mode is performed. When the shot is fired toward the target, transmitting and receiving unit transmitting an ultra-high frequency signal to the target;
If a signal reflected from the target is received through an antenna, outputting, by a transceiver, the received reflected signal to a processor;
Analyzing, by the processor, the reflected signal to measure distance and position information from the target; And
Outputting a target detection signal to a main controller when the distance and location information with respect to the target satisfy a predetermined condition;
And the signals of each of the steps are time-divided and processed independently by the processor.

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