WO2024085847A1 - System for a target type selection with laser code and the method thereof - Google Patents

System for a target type selection with laser code and the method thereof Download PDF

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Publication number
WO2024085847A1
WO2024085847A1 PCT/TR2023/051162 TR2023051162W WO2024085847A1 WO 2024085847 A1 WO2024085847 A1 WO 2024085847A1 TR 2023051162 W TR2023051162 W TR 2023051162W WO 2024085847 A1 WO2024085847 A1 WO 2024085847A1
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WIPO (PCT)
Prior art keywords
target
laser
hit
missile
guided missile
Prior art date
Application number
PCT/TR2023/051162
Other languages
French (fr)
Inventor
Sartuk Karasoy
Ali Şimşek TEKEREK
Original Assignee
Roketsan Roket Sanayi̇i̇ Ti̇caret A.Ş.
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from TR2022/015968 external-priority patent/TR2022015968A1/en
Application filed by Roketsan Roket Sanayi̇i̇ Ti̇caret A.Ş. filed Critical Roketsan Roket Sanayi̇i̇ Ti̇caret A.Ş.
Publication of WO2024085847A1 publication Critical patent/WO2024085847A1/en

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F41—WEAPONS
    • F41G—WEAPON SIGHTS; AIMING
    • F41G7/00—Direction control systems for self-propelled missiles
    • F41G7/20—Direction control systems for self-propelled missiles based on continuous observation of target position
    • F41G7/22—Homing guidance systems
    • F41G7/2273—Homing guidance systems characterised by the type of waves
    • F41G7/2293—Homing guidance systems characterised by the type of waves using electromagnetic waves other than radio waves
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F41—WEAPONS
    • F41G—WEAPON SIGHTS; AIMING
    • F41G7/00—Direction control systems for self-propelled missiles
    • F41G7/20—Direction control systems for self-propelled missiles based on continuous observation of target position
    • F41G7/22—Homing guidance systems
    • F41G7/226—Semi-active homing systems, i.e. comprising a receiver and involving auxiliary illuminating means, e.g. using auxiliary guiding missiles

Definitions

  • the invention is related to a system that provides information about the characteristics of the target to be hit by means of the laser marking code in laser guided missile systems, and the method thereof.
  • the characteristics of the target to be hit can be defined before or after firing in laser guided missile systems.
  • the target is first determined and marked with a laser pointer.
  • the missile is then launched to this marked target.
  • the target is usually marked with a laser designator in an aerial platform, a ground platform, or a personnel. Afterwards, the laser light reflected from the target is detected by the laser seeker head on the missile and the target is locked on.
  • the application numbered "US5273236A” in the state of the art relates to an apparatus developed to identify multiple objects within a field of view (FOV) and then track each of the objects simultaneously.
  • a laser beam generator produces a laser beam and directs it to the field of view.
  • the beam steering mechanism directs the laser beam across the field of view to hit each of the objects visible within it, and the encoding unit produces a code that identifies each object.
  • a multi-target tracker then tracks each individual object simultaneously.
  • the application numbered “US20120312912A1” is in the state of the art relates to an optically coupled communication interface using laser guided bullets and more specifically a SAL seeker.
  • the communication device generates an extra optical beam that overlaps the detection band of the SAL seeker and is pulsed alongside the standard code normally used.
  • the pulsed extra optical beam is encoded with data for the SAL seeker.
  • laser-guided missiles are directed to the target marked with a laser pointer. They are modulated in accordance with the selected code in order to mark different targets with different laser pointers in the same operating environment.
  • This code is loaded into the missile before flight, and the marker makes a mark in accordance with this code. In this way, different ammunition does not direct the beams of other laser pointers. While the process of uploading the relevant code to the missile is sent via this communication interface in ammunition with an electronic communication interface, in ammunition that does not have this communication interface, it is done with electro-mechanical switches placed on the ammunition. In ammunition with an electronic communication interface, the necessary information other than this laser code can be sent to the ammunition before firing, while in ammunition with this interface, only the laser code to be locked can be determined.
  • the ammunition is directed to the target marked with its defined laser code. Knowing the target information for munitions is important both in terms of making manoeuvres that will increase the hit efficiency in the terminal phase and in terms of detonating the warhead at the appropriate time according to the target type.
  • the target information to be transmitted to the missile in this way may include information about guidance modes, warhead explosion time, warhead triggering method (impact sensor, approach sensor), distance to the target, target locking status (pre-fire I post-fire) and atmosphere.
  • a laser-guided missile In the state of the art, if a laser-guided missile has an electronic communication interface, it can obtain information about the type of target it will target, and this can only be done while it is connected to the missile with this interface before firing. However, for laser-guided missiles that do not have this interface and only have an electro-mechanical switching system for entering the marking code, information about the target cannot be transferred to the missile. This causes the ammunitions to not be able to perform the necessary manoeuvres when they approach the target and to detonate the warhead at the right time.
  • the most important aim of the invention is to provide a method in which information about the target to be hit is communicated to the ammunition before and after the launch, without making any changes to the hardware of existing laser pointers and guided missiles.
  • Another aim of the invention is to provide a system in which the necessary manoeuvres can be made by determining guidance and autopilot algorithms according to the type of target to be hit, in order to increase the hit efficiency in the terminal phase.
  • Another aim of the invention is to provide a system in which the necessary manoeuvres can be made by determining guidance and autopilot algorithms according to the distance of the target to be hit, in order to increase the hit efficiency in the terminal phase.
  • Another aim of the invention is to provide a system in which the explosion time can be adjusted according to the type of target to be hit in order to increase the effectiveness of the warhead at the time of impact.
  • Another purpose of the invention is to provide a method by which the laser-guided missile can adjust the warhead triggering type (impact sensor, approach sensor).
  • FIGURE-1 is the drawing showing the sequential grouping view and sample targets in the laser code and target type selection system and method of the invention.
  • the invention relates to a method that provides information about the characteristics of the target(s) to be hit to laser guided missile systems via a laser marking code.
  • the characteristics of the target can be defined before and/or after launching in laser guided missile systems.
  • the system that enables the identification of the characteristics of the target(s) to be hit for laser guided missile systems before and/or after launching comprises a laser pointer (1 ) that enables the determination of targets planned to be hit by laser-guided missiles, and, once determined, enables the determination of target characteristics, the communication interface (2) that enables the transfer of the target characteristics (1 ) defined in the laser marker to the laser-guided missile system, and the missile computer (3) which performs the controls on the determination of the target characteristics planned to be hit in the laser-guided missile system.
  • Target characteristics determined according to codes are recorded in the missile computer (3). By checking its own database according to the specified code, it can know the target type.
  • the communication interface (2) the laser subject that the missile needs to lock on is defined.
  • Target types matched with specific laser codes are recorded in the missile computer (3) during the production process. In this way, when the laser code that the missile should detect is entered before launch, the missile matches this code with the database in the missile computer (3) and understands what type of target it will target.
  • Target characteristics can be target types such as personnel, armoured vehicle, light armoured vehicle, armourless vehicle, bunker, building, cave, as well as target distance, warhead explosion time, warhead triggering type.
  • a single characteristic can be transmitted with a single code to be transmitted to the missile, or many characteristics can be transmitted at the same time.
  • Table 1 Target characteristics that can be defined
  • the predefined N laser signals are divided into certain groups, and at least T target characteristics are defined for each code group.
  • the defined N pointer laser codes are divided into certain groups, and a maximum of T target characteristics information are defined for each code group.
  • the number of codes corresponding to a certain target type can be changed as desired, while the codes within the group are not consecutive and can be selected in a mixed order. Below are examples of sequential grouping (on the left) and mixed grouping (on the right).
  • a single characteristic can be transmitted with a single code to be transmitted to the missile, or many characteristics can be transmitted at the same time.
  • the codes mentioned here are selected from the examples in the types of target characteristics section shown in Table-1. Target characteristics groupings consist of sequential or mixed grouping of the samples in the target feature types section. For example, while target characteristic 1 represents the group consisting of code 1 , code 2, code 3 and code 4, this sequence can also represent a group consisting of code 1 , code 13, code 10, and code 8.
  • the codes mentioned here may be such as "clear weather, long-range, personnel, early".
  • laser codes corresponding to these target characteristics are determined. These determined laser codes are transferred to the laser-guided missile before launch or during flight. After these are transferred, the target characteristic information is determined according to the code received in the missile computer (3), and the flight manoeuvres of the laser-guided missile are adjusted according to the target characteristics determined in the missile computer (3).
  • the missile then uses the data loaded into its memory, and when the laser pointer (1 ) code is specified to it through an electronic communication interface or electromechanical switching system, it knows the characteristics of the target it will target, and adjusts its flight manoeuvres, warhead firing timing, and warhead triggering method. Then, the laser-guided missile hits the planned target.
  • target type information is defined by sending only the laser code information without sending an extra communication command.

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Aiming, Guidance, Guns With A Light Source, Armor, Camouflage, And Targets (AREA)

Abstract

The invention is related to a system that provides information about the characteristics of the target to be hit by means of the laser marking code in laser guided missile systems, and the method thereof. With the invention, the characteristics of the target to be hit can be defined before or after firing in laser guided missile systems.

Description

SYSTEM FOR A TARGET TYPE SELECTION WITH LASER CODE AND THE METHOD THEREOF
Technical field of the invention
The invention is related to a system that provides information about the characteristics of the target to be hit by means of the laser marking code in laser guided missile systems, and the method thereof. With the invention, the characteristics of the target to be hit can be defined before or after firing in laser guided missile systems.
State of the Art
When laser-guided systems work, the target is first determined and marked with a laser pointer. The missile is then launched to this marked target. The target is usually marked with a laser designator in an aerial platform, a ground platform, or a personnel. Afterwards, the laser light reflected from the target is detected by the laser seeker head on the missile and the target is locked on.
The application numbered "US5273236A" in the state of the art relates to an apparatus developed to identify multiple objects within a field of view (FOV) and then track each of the objects simultaneously. In said invention, a laser beam generator produces a laser beam and directs it to the field of view. The beam steering mechanism directs the laser beam across the field of view to hit each of the objects visible within it, and the encoding unit produces a code that identifies each object. A multi-target tracker then tracks each individual object simultaneously.
The application numbered “US20120312912A1” is in the state of the art relates to an optically coupled communication interface using laser guided bullets and more specifically a SAL seeker. In said invention, the communication device generates an extra optical beam that overlaps the detection band of the SAL seeker and is pulsed alongside the standard code normally used. The pulsed extra optical beam is encoded with data for the SAL seeker. In this way, by means of the program code detected by the SAL and read by the missile computer, information about the target it will target is provided to the missile before firing. In the state of the art, laser-guided missiles are directed to the target marked with a laser pointer. They are modulated in accordance with the selected code in order to mark different targets with different laser pointers in the same operating environment. This code is loaded into the missile before flight, and the marker makes a mark in accordance with this code. In this way, different ammunition does not direct the beams of other laser pointers. While the process of uploading the relevant code to the missile is sent via this communication interface in ammunition with an electronic communication interface, in ammunition that does not have this communication interface, it is done with electro-mechanical switches placed on the ammunition. In ammunition with an electronic communication interface, the necessary information other than this laser code can be sent to the ammunition before firing, while in ammunition with this interface, only the laser code to be locked can be determined.
In existing laser-guided missile systems, the ammunition is directed to the target marked with its defined laser code. Knowing the target information for munitions is important both in terms of making manoeuvres that will increase the hit efficiency in the terminal phase and in terms of detonating the warhead at the appropriate time according to the target type. The target information to be transmitted to the missile in this way may include information about guidance modes, warhead explosion time, warhead triggering method (impact sensor, approach sensor), distance to the target, target locking status (pre-fire I post-fire) and atmosphere.
In the state of the art, if a laser-guided missile has an electronic communication interface, it can obtain information about the type of target it will target, and this can only be done while it is connected to the missile with this interface before firing. However, for laser-guided missiles that do not have this interface and only have an electro-mechanical switching system for entering the marking code, information about the target cannot be transferred to the missile. This causes the ammunitions to not be able to perform the necessary manoeuvres when they approach the target and to detonate the warhead at the right time.
Conclusively, due to the above described problems and the insufficiency of the existing solutions made it necessary to make an improvement in the relevant technical field. Brief Description and Aims of the Invention
The most important aim of the invention is to provide a method in which information about the target to be hit is communicated to the ammunition before and after the launch, without making any changes to the hardware of existing laser pointers and guided missiles.
Another aim of the invention is to provide a system in which the necessary manoeuvres can be made by determining guidance and autopilot algorithms according to the type of target to be hit, in order to increase the hit efficiency in the terminal phase.
Another aim of the invention is to provide a system in which the necessary manoeuvres can be made by determining guidance and autopilot algorithms according to the distance of the target to be hit, in order to increase the hit efficiency in the terminal phase.
Another aim of the invention is to provide a system in which the explosion time can be adjusted according to the type of target to be hit in order to increase the effectiveness of the warhead at the time of impact.
Another purpose of the invention is to provide a method by which the laser-guided missile can adjust the warhead triggering type (impact sensor, approach sensor).
Description of Drawings
FIGURE-1 is the drawing showing the sequential grouping view and sample targets in the laser code and target type selection system and method of the invention.
Definition of Elements/Parts Composing the Invention
In order to better explain the system and method that enables the identification of the characteristics of the target(s) to be hit before and/or after shooting for the laser guided missile systems developed with this invention, the parts and elements in the figures are numbered and the equivalent of each number is given below:
1. Laser pointer 2. Communication Interface
3. Missile Computer
Detailed Description of the Invention
The invention relates to a method that provides information about the characteristics of the target(s) to be hit to laser guided missile systems via a laser marking code. With said invention, the characteristics of the target can be defined before and/or after launching in laser guided missile systems.
The system that enables the identification of the characteristics of the target(s) to be hit for laser guided missile systems before and/or after launching comprises a laser pointer (1 ) that enables the determination of targets planned to be hit by laser-guided missiles, and, once determined, enables the determination of target characteristics, the communication interface (2) that enables the transfer of the target characteristics (1 ) defined in the laser marker to the laser-guided missile system, and the missile computer (3) which performs the controls on the determination of the target characteristics planned to be hit in the laser-guided missile system. Target characteristics determined according to codes are recorded in the missile computer (3). By checking its own database according to the specified code, it can know the target type. By means of the communication interface (2), the laser subject that the missile needs to lock on is defined.
Target types matched with specific laser codes are recorded in the missile computer (3) during the production process. In this way, when the laser code that the missile should detect is entered before launch, the missile matches this code with the database in the missile computer (3) and understands what type of target it will target.
Information about the target characteristics can also be sent via laser pointer (1 ), which has been previously defined or will be redefined in the system. In order to ensure that the missile does not go to the target marked by another marker, the laser pulse intervals of the laser pointer (1 ) can be changed with a code. By means of the laser pointing code (1 ) to be defined in this system, the characteristics to be hit can also be sent. Target characteristics can be target types such as personnel, armoured vehicle, light armoured vehicle, armourless vehicle, bunker, building, cave, as well as target distance, warhead explosion time, warhead triggering type. A single characteristic can be transmitted with a single code to be transmitted to the missile, or many characteristics can be transmitted at the same time. The target characteristics that can be defined are described in the table below.
Figure imgf000007_0001
Table 1 : Target characteristics that can be defined
The predefined N laser signals are divided into certain groups, and at least T target characteristics are defined for each code group. The defined N pointer laser codes are divided into certain groups, and a maximum of T target characteristics information are defined for each code group. In the concept, the number of codes corresponding to a certain target type can be changed as desired, while the codes within the group are not consecutive and can be selected in a mixed order. Below are examples of sequential grouping (on the left) and mixed grouping (on the right).
Figure imgf000008_0001
As mentioned above, a single characteristic can be transmitted with a single code to be transmitted to the missile, or many characteristics can be transmitted at the same time. The codes mentioned here are selected from the examples in the types of target characteristics section shown in Table-1. Target characteristics groupings consist of sequential or mixed grouping of the samples in the target feature types section. For example, while target characteristic 1 represents the group consisting of code 1 , code 2, code 3 and code 4, this sequence can also represent a group consisting of code 1 , code 13, code 10, and code 8. The codes mentioned here may be such as "clear weather, long-range, personnel, early".
Once the target characteristics are determined, laser codes corresponding to these target characteristics are determined. These determined laser codes are transferred to the laser-guided missile before launch or during flight. After these are transferred, the target characteristic information is determined according to the code received in the missile computer (3), and the flight manoeuvres of the laser-guided missile are adjusted according to the target characteristics determined in the missile computer (3).
The missile then uses the data loaded into its memory, and when the laser pointer (1 ) code is specified to it through an electronic communication interface or electromechanical switching system, it knows the characteristics of the target it will target, and adjusts its flight manoeuvres, warhead firing timing, and warhead triggering method. Then, the laser-guided missile hits the planned target.
With this developed method, the desired target characteristics can be completed for laser-guided missiles, which have only an electro-mechanical switching system, before and after launch, without the need for any hardware changes. In ammunitions with electronic communication method, target type information is defined by sending only the laser code information without sending an extra communication command.

Claims

CLAIMS The system of determining the characteristics of the target to be hit before and/or after the launch and launching according to the characteristics of the target to be hit in laser guided missile systems, comprising
• laser pointer (1 ), that enables the targets planned to be hit by the laser- guided missile to be determined, and after this determination, the target characteristics to be determined,
• communication interface (2) that enables the transfer of target characteristics defined at the laser pointer (1 ) to the laser guided missile system, and
• missile computer (3) that performs the control on the determination of the target characteristics planned to be hit in the laser guided missile system. System according to Claim 1 for launching according to the characteristics of the target to be hit, wherein the communication interface (2) is an electronic communication interface or an electro-mechanical switching system. System according to Claim 1 for launching according to the characteristics of the target to be hit, comprising a laser pointer (1 ) where laser pulse intervals can be changed so that the missile does not go to the target marked by another pointer. The method of determining the characteristics of the target to be hit or hit before and/or after the launch, and the launching according to the characteristics of the target to be hit in laser guided missile systems, comprising the process steps of:
• Determining the target characteristics to be hit,
• After determining the target characteristics, determining the corresponding laser code,
• T ransferring the determined laser code to the laser guided missile before launch or during flight, • Determining target characteristics information according to the code received in the missile computer,
• The laser-guided missile adjusting its flight manoeuvres according to the target characteristics determined by the missile computer,
• The laser-guided missile adjusting the warhead trigger type and firing timing according to the data it receives, and
• Laser guided missile hitting the planned target.
PCT/TR2023/051162 2022-10-20 2023-10-19 System for a target type selection with laser code and the method thereof WO2024085847A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
TR2022015968 2022-10-20
TR2022/015968 TR2022015968A1 (en) 2022-10-20 TARGET TYPE SELECTION SYSTEM AND METHOD WITH LASER CODE

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WO2024085847A1 true WO2024085847A1 (en) 2024-04-25

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Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20120234966A1 (en) * 2011-03-17 2012-09-20 Raytheon Company Deconfliction of guided airborne weapons fired in a salvo
JP2017101870A (en) * 2015-12-01 2017-06-08 株式会社Ｉｈｉエアロスペース Laser semi-active guiding method and device
US10012477B1 (en) * 2017-03-07 2018-07-03 Rosemount Aerospace Inc. Coordinating multiple ordnance targeting via optical inter-ordnance communications

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20120234966A1 (en) * 2011-03-17 2012-09-20 Raytheon Company Deconfliction of guided airborne weapons fired in a salvo
JP2017101870A (en) * 2015-12-01 2017-06-08 株式会社Ｉｈｉエアロスペース Laser semi-active guiding method and device
US10012477B1 (en) * 2017-03-07 2018-07-03 Rosemount Aerospace Inc. Coordinating multiple ordnance targeting via optical inter-ordnance communications

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