KR102031697B1 - Tilting control apparatus for telemetry receiving antenna and its method for the same - Google Patents

Abstract

The present invention relates to a tilting control device and a method of an antenna for receiving telemetry radio waves. The tilting control device includes an input part to which ballistic data, position data, and antenna data are input; a calculation part which calculates reception power using the input ballistic data, position data and antenna data, and calculates the tilting angle of a reception antenna at which the calculated reception power becomes a maximum value; a sensor part for detecting artillery firing and providing artillery firing detection information; a control part for providing a tilting control signal corresponding to the calculated tilting angle when the artillery firing detection information is provided from the sensor part; and a driving part for tilting the reception antenna according to the provided tilting control signal. It is possible to maximize the transmission and reception performance of telemetry radio waves.

Description

TILTING CONTROL APPARATUS AND METHOD FOR TELEMETRY RADIO RECEPTION ANTENNA AND THE METHOD THEREOF {TILTING CONTROL APPARATUS FOR TELEMETRY RECEIVING ANTENNA AND ITS METHOD FOR THE SAME}

The present invention is to transmit and receive telemetry radio waves by tilting the direction of the receiving antenna corresponding to the trajectory so that the maximum reception power to receive the telemetry radio waves transmitted from the telemetry payload in flight ballistic flight The present invention relates to a tilting control device and method for a telemetry radio wave reception antenna capable of maximizing performance.

As is well known, the impact fuse detonated after the impact in the fuse of the projectile, such as a shell having a variety of detonation method can be clearly determined whether the operation of the fuse if only the explosion is observed.

However, in case of time fuse or proximity fuse, it is difficult to judge whether the preset time, altitude, azimuth with target, etc. are met during the explosion process, so it is necessary to reliably verify the operation of the fuse. In addition to verifying reliability, it is very important to clearly understand the various situations inside the fuse during the firing test for optimized fuse design.

As a result, a technology has been developed that applies a telemetry system to a fuse to remotely transmit necessary information from the time of activation of the fuse to the detonation and to use it as a data to analyze the process of receiving and detonating at the observation point. It is becoming.

The telemetry system includes a transmitting antenna and a receiving antenna, which fly along the trajectory without affecting the proximity sensor antenna (for example, an FMCW type proximity antenna with similar frequency band). Information inside the fuse provided in the shell must be able to stably transmit to the rear of the shell.

In addition, when a telemetry transmitter (ie, including a telemetry antenna) is mounted on the fuse, it is effective to utilize the space of the front nose nose cone (radome) for compatibility with the weapon system. Even if used, the radiation pattern and emission intensity of the telemetry antenna must be kept constant for smooth transmission and reception.

On the other hand, in the weapon machine equipped with a telemetry system, the power of the received signal should be secured for normal data reception, but the telemetry transmission and reception due to the flight of the telemetry payload (for example, fuse) according to the ballistics Since the real-time change of the pattern direction and the flight distance of the antenna occurs, the received signal size must be continuously changed, and thus there is a problem that an unreceived section of the telemetry propagation occurs.

In order to solve this problem, research and development of a device for automatically changing the angle of the telemetry radio reception antenna in consideration of the change according to the trajectory is required.

1. Korean Patent Publication No. 10-2013-0115571 (October 22, 2013) 2. Korea Patent Registration No. 10-0933662 (2009.12.16.Registration)

The present invention maximizes the transmission and reception performance of telemetry radio waves by tilting the direction of the receiving antenna corresponding to the trajectory so as to receive the maximum reception power for receiving telemetry radio waves transmitted from the telemetry payload in flight. It is an object of the present invention to provide a tilting control device for a telemetry radio wave reception antenna and a method thereof.

In addition, the present invention calculates the tilt angle corresponding to the received power and the maximum received power by using the input ballistic data, position data and antenna data, and provides a real-time control signal according to the calculated tilt angle when firing fire is detected By tilting the receiving antenna according to the provided real-time control signal, the maximum directivity angle of the receiving antenna can be tilted in real time based on the antenna reception sensitivity level so that the reception power according to the trajectory can be maximized. The present invention provides a tilting control device and method for a telemetry radio reception antenna that can maximize transmission and reception performance and can provide a high-efficiency device at low cost since no measurement equipment is required.

In addition, the present invention by driving the tilting motor of the receiving antenna according to the real-time control signal for controlling the tilting angle of the receiving antenna by tilting the receiving antenna while controlling the phase shifter of the phased array antenna by tilting the receiving antenna beam, expensive For the reception of telemetry radio waves that can further improve telemetry transmission and reception by effectively eliminating the telemetry unreceived areas caused by changes in altitude and shot inclination during the projectile's flight without the use of tracking radar equipment. An object of the present invention is to provide a tilting control device for an antenna and a method thereof.

The objects of the embodiments of the present invention are not limited to the above-mentioned objects, and other objects, which are not mentioned above, will be clearly understood by those skilled in the art from the following description. .

According to an aspect of the present invention, the received power is calculated using an input unit to which ballistic data, position data and antenna data are input, and the input ballistic data, position data and antenna data, and the calculated received power is a maximum value. A calculation unit for calculating a tilting angle of the receiving antenna, a sensor unit detecting gun firing and providing gun firing detection information, and when the gun firing detection information is provided from the sensor unit, the tilting angle corresponding to the calculated tilting angle is obtained. A tilting control device for an antenna for receiving telemetry radio waves may include a control unit for providing a tilting control signal and a driving unit for tilting the receiving antenna according to the provided tilting control signal.

In addition, according to an aspect of the present invention, the ballistic data, the input information including the application type, fuse standard, launching gun information, elevation information and charge information, the firing range, altitude angle, calculated using the input information, A tilting control device for an antenna for receiving telemetry radio waves including ballistic information including an angle of attack and a flight time may be provided.

In addition, according to an aspect of the present invention, the position data, a tilting control device for an antenna for receiving telemetry radio waves including the position information and the firing position information of the receiving antenna can be provided.

In addition, according to an aspect of the present invention, the antenna data, the number of telemetry propagation including the transmission gain of the transmission antenna, the reception gain of the reception antenna, radiation pattern information, polarization loss between the transmission and reception antennas and the transceiver RF information A tilting control device of the credit antenna can be provided.

In addition, according to an aspect of the present invention, the calculating unit, the tilt control device of the antenna for telemetry radio wave reception for calculating the reception power using the transmission gain of the transmission antenna, the reception gain of the reception antenna and antenna parameters Can be provided.

In addition, according to an aspect of the present invention, the calculating unit, for receiving the telemetry radio wave for calculating the tilting angle so that the received power maintains the maximum value in response to the radiation pattern information and the trajectory according to the angle change of the projectile A tilt control device for the antenna may be provided.

In addition, according to an aspect of the present invention, the antenna parameter may be provided with a tilting control device for an antenna for receiving telemetry radio waves including polarization loss between transceiver antennas and transceiver RF information.

According to an aspect of the present invention, the tilting control signal may include a driving control signal for driving the tilting motor of the receiving antenna and a phase control signal for controlling the phase of the antenna element phase shifter according to the tilting angle. A tilt control device for an antenna for receiving telemetry radio waves including at least one may be provided.

According to another aspect of the invention, the step of inputting ballistic data, position data and antenna data, calculating the received power using the input ballistic data, position data and antenna data, and the calculated received power is Calculating a tilting angle of the reception antenna, which is a maximum value, detecting gun firing and providing gun firing detection information; and when the gun firing detection information is provided, a tilting control signal corresponding to the calculated tilting angle And a tilting control method of the antenna for receiving telemetry radio waves, including the step of tilting the receiving antenna according to the provided tilting control signal.

In addition, according to another aspect of the present invention, the ballistic data, the input information including the application type, fuse standard, launching gun information, elevation information and charge information, and the firing range, altitude angle, calculated using the input information, A tilting control method of an antenna for receiving telemetry radio waves including ballistic information including an angle of attack and a flight time may be provided.

In addition, according to another aspect of the present invention, the position data, a tilting control method of the antenna for telemetry radio wave reception including the position information and the firing position information of the receiving antenna may be provided.

In addition, according to another aspect of the present invention, the antenna data, the number of telemetry propagation including the transmission gain of the transmitting antenna, the receiving gain of the receiving antenna, radiation pattern information, polarization loss between the transmitting and receiving antennas and the transceiver RF information A tilting control method of a credit antenna may be provided.

According to another aspect of the invention, the step of calculating the received power, the telemetry radio wave reception antenna for calculating the received power using the transmission gain of the transmitting antenna, the reception gain of the receiving antenna and antenna parameters The tilt control method of may be provided.

According to another aspect of the present invention, the step of calculating the tilting angle, the telemetry for calculating the tilting angle so that the received power maintains the maximum value in response to the radiation pattern information and ballistics according to the angle change of the projectile; There may be provided a tilting control method of an antenna for receiving a meta-wave.

In addition, according to another aspect of the present invention, the antenna parameter may be provided with a tilting control method of an antenna for receiving telemetry radio waves including polarization loss between transceiver antennas and transceiver RF information.

According to another aspect of the present invention, the tilting control signal may include one of a driving control signal for driving the tilting motor of the receiving antenna and a phase control signal for controlling the phase of the antenna element phase shifter according to the tilting angle. A tilting control method of an antenna for receiving telemetry radio waves including at least one may be provided.

The present invention maximizes the transmission and reception performance of telemetry radio waves by tilting the direction of the receiving antenna corresponding to the trajectory so as to receive the maximum reception power for receiving telemetry radio waves transmitted from the telemetry payload in flight. can do.

In addition, the present invention calculates the tilt angle corresponding to the received power and the maximum received power by using the input ballistic data, position data and antenna data, and provides a real-time control signal according to the calculated tilt angle when firing fire is detected By tilting the receiving antenna according to the provided real-time control signal, the maximum directivity angle of the receiving antenna can be tilted in real time based on the antenna reception sensitivity level so that the reception power according to the trajectory can be maximized. In addition to maximizing transmission and reception performance, no measurement equipment is required, providing a highly efficient device at low cost.

In addition, the present invention by driving the tilting motor of the receiving antenna according to the real-time control signal for controlling the tilting angle of the receiving antenna, and tilting the receiving antenna beam by controlling the phase shifter of the phased array antenna while tilting the receiving antenna, Even without the use of tracking radar equipment, telemetry transmission and reception can be further improved by effectively eliminating telemetry unreceived areas caused by changes in altitude and shot tilt during projectile flight time.

1 is a block diagram illustrating a tilt control apparatus of a telemetry radio wave reception antenna according to an embodiment of the present invention;
2A and 2B are detailed block diagrams of a tilting control device of an antenna for receiving telemetry radio waves according to an embodiment of the present invention.
3A to 3C are diagrams for describing ballistic data, position data, and antenna data input to an input unit according to an embodiment of the present invention;
4A and 4B are diagrams for describing calculating a tilting angle in a calculator according to an exemplary embodiment of the present invention.
5 is a flowchart illustrating a process of controlling the tilting of the antenna for receiving telemetry radio waves according to another embodiment of the present invention.
6A to 6D are diagrams showing an experimental result of implementing a tilting of a reception antenna using a tilting control apparatus of a telemetry radio wave reception antenna according to an exemplary embodiment of the present invention.

Advantages and features of the embodiments of the present invention, and methods of achieving them will be apparent with reference to the embodiments described below in detail with the accompanying drawings. However, the present invention is not limited to the embodiments disclosed below, but can be implemented in various different forms, and only the embodiments make the disclosure of the present invention complete, and the general knowledge in the art to which the present invention belongs. It is provided to fully inform the person having the scope of the invention, the invention is defined only by the scope of the claims. Like reference numerals refer to like elements throughout.

In describing the embodiments of the present invention, if it is determined that a detailed description of a known function or configuration may unnecessarily obscure the gist of the present invention, the detailed description thereof will be omitted. In addition, terms to be described below are terms defined in consideration of functions in the embodiments of the present invention, which may vary according to intentions or customs of users and operators. Therefore, the definition should be made based on the contents throughout the specification.

Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings.

1 is a block diagram illustrating a tilting control apparatus of a telemetry radio wave reception antenna according to an embodiment of the present invention, and FIGS. 2A and 2B are diagrams illustrating telemetry radio wave reception according to an embodiment of the present invention. 3A to 3C are diagrams for describing ballistic data, position data, and antenna data input to an input unit according to an embodiment of the present invention, and FIGS. 4A to 4C. Is a view for explaining the calculation of the tilting angle in the calculation unit according to an embodiment of the present invention.

1, 2A and 2B, 3A to 3C, and 4A to 4C, the tilting control device of the antenna for receiving telemetry radio waves according to an embodiment of the present invention is an input unit 110, calculation The unit 120, the sensor unit 130, the controller 140, and the driver 150 may be included.

The input unit 110 receives ballistic data, position data, and antenna data, and the input ballistic data includes, for example, an applied ball type, a fuse standard, a shotgun information, an elevation angle information, and a charge information as illustrated in FIG. 3A. Input information, and ballistic information including a range, an angle of altitude, an angle of attack, and a time of flight (TOF) calculated using the input information. The ballistic information may be calculated by applying input information to a ballistic model selected from a vacuum ballistic model, a ballistic ballistic model, and a modified ballistic ballistic model.

In addition, the position data input to the input unit 110 may include, for example, position information of the receiving antenna and the firing position information, as shown in FIG. 3B, and the position information and the firing position information of the receiving antenna are received. It can be obtained through the GPS receiver and user input provided in the system.

In addition, the antenna data input to the input unit 110 may include, for example, a transmission gain of a transmission antenna, a reception gain of a reception antenna, radiation pattern information, polarization loss between transmission and reception antennas, and transceiver RF information. As shown on the left side, the transmission radiation pattern of the transmission antenna is derived, and the transmission antenna radiation pattern information including the transmission radiation efficiency and transmission reflection coefficient is reflected to the transmission antenna radiation pattern (e.g., angle of attack, elevation, etc.) to transmit the antenna. Derivation of the radiation pattern is changed, and the transmission gain of the transmission antenna according to the range can be calculated.

In addition, as shown on the right side of FIG. 3C, a reception radiation pattern of the reception antenna is derived, and ballistic information (for example, an elevation angle) is reflected in the reception antenna radiation pattern information including the reception radiation efficiency and the reception reflection coefficient. By deriving the change radiation pattern of the receiving antenna, the receiving gain of the receiving antenna according to the range can be calculated.

Meanwhile, the transceiver RF information may include, for example, receiver power gain, carrier frequency, transmit power, and the like.

The calculation unit 120 calculates the reception power using the ballistic data, the position data, and the antenna data input through the input unit 110, and calculates a tilting angle of the reception antenna at which the calculated reception power becomes the maximum value. The reception power may be calculated using the transmission gain of the transmission antenna, the reception gain of the reception antenna, and antenna parameters. Here, the antenna parameters may include polarization loss and transceiver RF information between the transmit and receive antennas.

For example, as illustrated in FIG. 4A, the calculation unit 120 includes a Friis equation including terms for transmit / receive antenna polarization loss, transmit / receive antenna gain according to an angle, wavelength (frequency), and transmit / receive antenna distance. ), The received power according to the trajectory can be calculated.

In addition, as shown in FIG. 4B, the calculator 120 may calculate a tilting angle so that the received power maintains a maximum value corresponding to the radiation pattern information and the trajectory according to the change in the angle of the projectile, during the flight time of the projectile. Due to the change in the angle of the projectile, the reception power in the fixed telemetry receiver is constantly changing, and the tilting angle of the receiving antenna which maintains the maximum reception power due to the change in the radiation pattern direction can be calculated, and the maximum value The tilting angle according to the trajectory for maintaining the control unit 140 may be provided.

As described above, when the ballistic data, the position data, and the antenna data are provided from the input unit 110, the calculator 120 calculates the reception antenna tilt angle range, and calculates the calculated reception antenna tilt angle range, the ballistic data, the position data, and The antenna data may be used to calculate the received power array data for the tilting angle range as shown in FIG. 4C.

In addition, the calculation unit 120 may calculate the reception antenna tilting angle by tracking the maximum reception power array value according to the ballistic flight time through an optimization algorithm. Here, the optimization algorithm refers to an algorithm for correcting an error such as RSSI error, multipath fading, and following a target value.

The sensor unit 130 detects artillery fire and provides artillery fire detection information. For example, the sensor unit 130 includes a gyro sensor, a GPS sensor, an artillery fire detection sensor, and various position data and artillery generated through these sensors. Artillery fire detection information including fire detection data may be provided to the controller 140. Here, the gun firing detection information may include real-time data for controlling the device, such as the reference position and direction of the device, the origin and real-time rotation angle of the motor, the bullet firing point detection.

The control unit 140 provides a tilting control signal corresponding to the tilting angle calculated by the calculating unit 120 when the artillery firing detection information is provided, and the tilting angle control should be made in response to the flight time of the projectile after firing the artillery. Because gun firing detection and time synchronization are required, the gun firing detection can detect gun firing in various ways such as wired / wireless communication, firing shock sensor, user input, acoustic sensor, artillery interlocking system, etc. Time synchronization can be performed through.

Here, the tilting control signal may include at least one of a driving control signal for driving the tilting motor of the receiving antenna and a phase control signal for controlling the phase of the antenna element phase shifter according to the tilting angle.

For example, the controller 140 may provide a tilting control signal in real time according to a tilting angle calculated to maintain a maximum reception power. The controller 140 may provide a mechanical tilting method through a motor control and an electrical phase through a phase control. Both beam tilting methods can be applied. Of course, any one selected from a mechanical tilting method and an electric beam tilting method may be applied.

Accordingly, the control unit 140 may provide a driving control signal for driving the tilting motor to the driving unit 150 at a tilting angle, and when the receiving antenna is a phased array antenna, the beam through phase control of the antenna element phase shifter. In order to perform tilting, the phase control signal for controlling the phase shifter may be provided to the driver 150.

Here, when the control unit 140 provides a phase control signal, the tilting angle (ie, horizontal / vertical angle) of the receiving antenna provided from the calculating unit 120 is determined by the phase control value of the receiving antenna provided from the driving unit 150. By comparing the beam tilting angle according to the phase may provide a phase control signal including the correction data to the driver 150.

The driving unit 150 tilts the reception antenna according to the tilting control signal provided from the control unit 140. When the driving control signal for driving the tilting motor of the reception antenna is provided from the control unit 140, the driving motor of the reception antenna is tilted. It may be performed to perform the reception antenna tilting, and when the phase control signal for controlling the phase shifter is provided from the control unit 140, the beam tilting of the receiving antenna may be performed.

For example, when performing the reception antenna tilting by driving the tilting motor of the reception antenna, as shown in FIG. 2A, the encoder is further provided between the control unit 140 and the driving unit 150, thereby tilting the antenna through the encoder unit. The rotation angle of the motor can be detected, and through this, the reception antenna can be tilted using a BLDC motor, which is a two-axis motor, according to a driving control signal provided from the controller 140. Such a BLDC motor may include, for example, an Azimuth Angle motor, an Elevation Angle motor, or the like.

In addition, in the case of performing the beam tilting of the receiving antenna, as shown in FIG. 2B, the driving unit 150 may include an antenna control unit and an array antenna unit. The antenna control unit including a signal processor and a phase controller may be configured according to a phase control value. The beam tilting angle may be provided to the controller 140, and the digital signal for beam tilting may be processed according to the phase control signal provided from the controller 140. Accordingly, through the phase control hardware and signal generation in the array antenna unit, Beam tilting of the array antenna may be performed. The array antenna unit may include, for example, a TR module, a phase shifter, an ADC, and the like.

Accordingly, the present invention is to transmit and receive the performance of the telemetry radio wave by tilting the direction of the receiving antenna corresponding to the trajectory so that the maximum reception power to receive the telemetry radio wave transmitted from the telemetry payload in flight ballistic flight Can be maximized.

In addition, the present invention calculates the tilt angle corresponding to the received power and the maximum received power by using the input ballistic data, position data and antenna data, and provides a real-time control signal according to the calculated tilt angle when firing fire is detected By tilting the receiving antenna according to the provided real-time control signal, the maximum directivity angle of the receiving antenna can be tilted in real time based on the antenna reception sensitivity level so that the reception power according to the trajectory can be maximized. In addition to maximizing transmission and reception performance, no measurement equipment is required, providing a highly efficient device at low cost.

In addition, the present invention by driving the tilting motor of the receiving antenna according to the real-time control signal for controlling the tilting angle of the receiving antenna by tilting the receiving antenna while controlling the phase shifter of the phased array antenna by tilting the receiving antenna beam, expensive Even without the use of tracking radar equipment, telemetry transmission and reception can be further improved by effectively eliminating telemetry unreceived areas caused by changes in altitude and shot tilt during projectile flight time.

Next, in the tilting control device of the antenna for receiving telemetry radio waves having the above-described configuration, the ballistic data, the position data, and the antenna data are inputted, and the received power is calculated using the same to calculate the received power. The process of tilting the receiving antenna according to the tilting control signal corresponding to the calculated tilting angle when calculating the tilting angle and detecting the artillery firing will be described in detail.

5 is a flowchart illustrating a process of controlling tilting of the antenna for receiving telemetry radio waves according to another embodiment of the present invention.

Referring to FIG. 5, ballistic data, position data, and antenna data may be input through the input unit 110 (step 502).

For example, ballistic data may include input information including applicable ball type, fuse specification, launch gun information, elevation information, and charge information, and ballistic information including a range, altitude angle, attack angle, and flight time calculated using the input information. The ballistic information may be calculated by applying input information to a ballistic model selected from a vacuum ballistic model, a ballistic ballistic model, and a modified ballistic ballistic model.

The location data may include location information of the reception antenna and location information of the firing position. The location information and location of the firing location information of the reception antenna may be obtained through a GPS receiver and a user input provided in the reception system.

In addition, the antenna data may include a transmit gain of a transmit antenna, a receive gain of a receive antenna, radiation pattern information, polarization loss between transmit and receive antennas, and transceiver RF information. The transceiver RF information may include, for example, a receiver power gain, a carrier frequency, and the like. , Transmit power, and the like.

Then, the calculation unit 120 may calculate the received power using the ballistic data, the position data, and the antenna data input through the input unit 110 (step 504).

For example, the calculation unit 120 calculates the reception power according to the trajectory based on the freeze equation including the transmission and reception antenna polarization loss, the transmission and reception antenna gain according to the angle, the wavelength (frequency) and the transmission and reception antenna distance. can do.

Specifically, the calculation unit 120 calculates the reception antenna tilt angle range when the ballistic data, the position data, and the antenna data are provided from the input unit 110, and calculates the calculated reception antenna tilt angle range, the ballistic data, and the position data. And the antenna data may be used to calculate the received power array data for the tilting angle range as shown in FIG. 4C, and the received antenna tilting angle is obtained by tracking the maximum received power array value according to the ballistic flight time through an optimization algorithm. Can be calculated.

Next, the tilting angle of the reception antenna at which the reception power calculated by the calculation unit 120 is the maximum value may be calculated (step 506).

For example, the calculator 120 may calculate a tilting angle so that the reception power maintains a maximum value in response to the radiation pattern information and the trajectory according to the change in the angle of the projectile. Due to the change in the receiving power in the fixed telemetry receiver, it is possible to calculate the tilting angle of the receiving antenna that maintains the maximum reception power due to the change in the radiation pattern direction, and to the trajectory that maintains the maximum value. The tilt angle according to the present invention may be provided to the controller 140.

In addition, the sensor unit 130 may detect the artillery fire and provide the artillery fire detection information to the controller 140 (step 508). The sensor unit 130 includes, for example, a gyro sensor, a GPS sensor, an artillery detection sensor, and the artillery detection information generated through the sensors. The reference position and direction of the device, the home position and the real time rotation of the motor are included. It may include real-time data for device control, such as angle and shot firing point detection.

On the other hand, the control unit 140 may provide a tilting control signal corresponding to the tilting angle calculated by the calculating unit 120 to the driving unit 150 when the gun firing detection information is provided from the sensor unit 130 (step 510). ).

For example, the controller 140 may provide a tilting control signal in real time according to a tilting angle calculated to maintain a maximum reception power. The controller 140 may provide a mechanical tilting method through a motor control and an electrical phase through a phase control. Both beam tilting methods can be applied. Of course, any one selected from a mechanical tilting method and an electric beam tilting method may be applied.

Accordingly, the control unit 140 may provide the driving unit 150 with a driving control signal for driving the tilting motor at a tilting angle. When the receiving antenna is a phased array antenna, the beam is controlled through the phase control of the antenna element phase shifter. In order to perform tilting, the phase control signal for controlling the phase shifter may be provided to the driver 150.

Subsequently, the driver 150 may tilt the reception antenna according to the tilt control signal provided (step 512).

For example, when the driving unit 150 is provided with a driving control signal for driving the tilting motor of the receiving antenna from the controller 140, the driving unit 150 may drive the tilting motor of the receiving antenna to perform the receiving antenna tilting, and the control unit 140. When the phase control signal for controlling the phase shifter is provided, beam tilting of the reception antenna may be performed.

In detail, when the reception antenna tilting is performed by driving the tilting motor of the reception antenna, the rotation angle of the antenna tilting motor may be detected through an encoder unit further provided between the control unit 140 and the driving unit 150. In this way, the reception antenna may be tilted using a BLDC motor, which is a two-axis motor, according to a driving control signal provided from the controller 140.

In addition, when the beam tilting of the reception antenna is performed, the driving unit 150 may include an antenna control unit and an array antenna unit. The antenna control unit may provide a beam tilting angle according to a phase control value to the control unit 140 and the control unit 140. The digital signal for tilting the beam may be processed according to the phase control signal provided from the N-type, and accordingly, the beam tilting of the array antenna may be performed through phase control hardware and signal generation in the array antenna unit.

Accordingly, the present invention calculates a tilt angle corresponding to the received power and the maximum received power by using the input ballistic data, the position data and the antenna data, and provides a real-time control signal according to the calculated tilt angle when the firing fire is detected. By tilting the receiving antenna according to the provided real-time control signal, the maximum directivity angle of the receiving antenna can be tilted in real time based on the antenna reception sensitivity level so that the reception power according to the trajectory can be maximized. In addition to maximizing transmission and reception performance, no measurement equipment is required, providing a highly efficient device at low cost.

In addition, the present invention by driving the tilting motor of the receiving antenna according to the real-time control signal for controlling the tilting angle of the receiving antenna, and tilting the receiving antenna beam by controlling the phase shifter of the phased array antenna while tilting the receiving antenna, Even without the use of tracking radar equipment, telemetry transmission and reception can be further improved by effectively eliminating telemetry unreceived areas caused by changes in altitude and shot tilt during projectile flight time.

On the other hand, the experimental result of implementing the tilting of the receiving antenna through the simulation using the tilting control device of the antenna for receiving telemetry radio waves as described above will be described.

6A to 6D are diagrams showing an experimental result of implementing a tilting of a reception antenna using a tilting control apparatus of a telemetry radio wave reception antenna according to an embodiment of the present invention.

6A to 6D, when ballistic data, position data, and antenna data including ballistic information of measurement data as illustrated in FIG. 6A are input to the input unit 110, the calculation unit 120 may use FIG. The received power can be calculated and provided according to the trajectory as shown in 6b. It can be seen that the measured value and the calculated value almost match.

In addition, as shown in FIG. 6C, the calculation unit 120 may calculate an optimal antenna tilting angle through an algorithm that follows the maximum reception power, and the tilting control of the receiving antenna is performed by applying the calculated tilting angle. As shown in 6d, the data unreceived section before tilting disappears and the data receiving section after tilting increases.

As described above, the tilting control device and method of the antenna for receiving telemetry radio waves according to an embodiment of the present invention can be applied to the art of shell telemetry technology in an artillery firing environment. It can be applied to all applications, solves the problem of deterioration of remote reception performance, saves the power of fuse energy by saving the telemetry transmission power, saves the cost of RF device, and Compared with radar tracking and measurement equipment, the cost of implementation is very low and it can be applied in a short time.

In addition, the apparatus and the method according to the embodiment of the present invention can be applied to the telemetry technology that the projectile path is determined, but in addition to the shell, if the projectile path is predetermined, the same applies.

In the foregoing description, various embodiments of the present invention have been described and described, but the present invention is not necessarily limited thereto, and a person having ordinary skill in the art to which the present invention pertains may have various modifications without departing from the technical spirit of the present invention. It will be readily appreciated that branch substitutions, modifications and variations are possible.

110: input unit
120: calculator
130: sensor
140: control unit
150: drive unit

Claims (16)

An input unit to which ballistic data, position data, and antenna data are input;
A calculation unit configured to calculate reception power using the input ballistic data, position data and antenna data, and to calculate a tilting angle of the reception antenna at which the calculated reception power becomes a maximum value;
A sensor unit for detecting artillery firing and providing artillery firing detection information;
A control unit for providing a tilting control signal corresponding to the calculated tilting angle when the gun firing detection information is provided from the sensor unit;
A driver for tilting a receiving antenna according to the provided tilting control signal
Including,
The ballistic data includes input information including an applied ball type, fuse specification, launching gun information, elevation information, and charge information, and ballistic information including a range, an elevation angle, an attack angle, and a flight time calculated using the input information. Include,
The position data includes position information of the receiving antenna and artillery firing position information,
The antenna data may include transmission antenna radiation pattern information including transmission radiation efficiency and transmission reflection coefficient, reception antenna radiation pattern information including reception radiation efficiency and reception reflection coefficient, and change radiation pattern of the transmission antenna derived by reflecting the ballistic information. It includes the transmission gain of the transmitting antenna, the reception gain, the transmission and reception antenna polarization loss, and the transceiver RF information, which is calculated using the reception antenna change radiation pattern derived by reflecting the trajectory information.
The calculation unit,
Calculating the received power according to the trajectory based on the transmit / receive antenna polarization loss, the transmit / receive antenna gain according to the angle, and the fris equation including a term for the wavelength and the transmit / receive antenna distance,
And a tilting angle of a receiving antenna in which the calculated received power is a maximum value corresponding to the radiation pattern information and the trajectory according to a change in the angle of the projectile.
delete delete delete delete delete delete The method of claim 1,
The tilt control signal is a telemetry propagation number including at least one of a drive control signal for driving the tilting motor of the receiving antenna and a phase control signal for controlling the phase of the antenna element phase shifter according to the tilting angle. Tilting control unit of credit antenna.
Inputting ballistic data, position data, and antenna data;
Calculating received power using the input ballistic data, position data, and antenna data;
Calculating a tilting angle of the reception antenna at which the calculated reception power becomes a maximum value;
Detecting artillery firing and providing artillery firing detection information;
Providing a tilting control signal corresponding to the calculated tilting angle when the gun firing detection information is provided;
Tilting the receiving antenna according to the provided tilting control signal
Including,
The ballistic data includes input information including an applied ball type, fuse specification, launching gun information, elevation information, and charge information, and ballistic information including a range, an elevation angle, an attack angle, and a flight time calculated using the input information. Include,
The position data includes position information and artillery firing position information of the receiving antenna,
The antenna data may include transmission antenna radiation pattern information including transmission radiation efficiency and transmission reflection coefficient, reception antenna radiation pattern information including reception radiation efficiency and reception reflection coefficient, and change radiation pattern of the transmission antenna derived by reflecting the ballistic information. A transmit gain of the transmit antenna, a receive gain of the receive antenna, a transmit / receive antenna polarization loss, and transceiver RF information calculated using a receive antenna change radiation pattern derived by reflecting the trajectory information.
Computing the received power,
Calculating the received power according to the trajectory based on the transmit / receive antenna polarization loss, the transmit / receive antenna gain according to the angle, and the fris equation including a term for the wavelength and the transmit / receive antenna distance,
Calculating the tilting angle of the receiving antenna,
And a tilting angle of the reception antenna in which the calculated reception power becomes a maximum value corresponding to the radiation pattern information and the trajectory according to the change of the angle of the projectile.
delete delete delete delete delete delete The method of claim 9,
The tilt control signal is a telemetry propagation number including at least one of a drive control signal for driving the tilting motor of the receiving antenna and a phase control signal for controlling the phase of the antenna element phase shifter according to the tilting angle. Tilting control method of credit antenna.

Images