JP2007232254A - Missile guidance system and missile guidance method - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To improve guidance accuracy by reducing delay in guidance control by decreasing communication load. <P>SOLUTION: A duration type sensor 2 searches and captures a moving target 6 in a jurisdictional area, acquires target information such as a position and a speed of the captured moving target 6, indicates an association target to the guided missile on the basis of shooting control information from a control device 1, and continuously transmits the latest target information. The guided missile 4 shot from a missile shooting device 3 successively receives the latest target information from the duration type sensor 2, performs the operation for guiding itself to the association target on the basis of the self flying information and the object target, and controls steering on the basis of a result of the operation, to approach/meet the object target. Thus, it becomes unnecessary to continuously send the guidance information to the guided missile 4, which decreases communication load and reduces the delay in guidance control, and further the guidance accuracy can be improved by performing the guidance operation on the basis of the latest target information. <P>COPYRIGHT: (C)2007,JPO&INPIT

Description

  The present invention relates to a flying object guidance system and a flying object guidance method for guiding a flying object with respect to a moving target that is out of sight.

  In the flying object guidance system, it is effective to use a stray sensor when guiding a flying object to a moving target outside the line of sight. In the case of the prior art, this airborne sensor stays above an arbitrary point, detects a moving target from the position, and sends the target information to the ground control device. In the control device, a guidance calculation for flying the flying object toward the target target is executed based on the target information, and the result is instructed to the flying object. The flying object is launched in accordance with the instruction, and is guided toward the target by performing steering control based on the instructed guidance calculation result.

  This type of flying object guidance system is used in, for example, the air defense systems described in Patent Documents 1 and 2, and is an important technology for securing preparation time and time required for early detection and threat detection of a threat target. Become an element.

  However, in the conventional flying object guidance system as described above, both the target and the flying object move at a high speed. Therefore, the information data as described above is stored between the airborne sensor, the ground control device, and the flying object. It is necessary to transmit at a high rate and update in real time. For this reason, there is a problem that an increase in the load on the communication system may cause a delay in transmission of information data, resulting in lost targets.

In particular, in the end guidance of a flying object that requires data update at a high rate, the guidance control is delayed due to the data transmission time, so the guidance accuracy deteriorates. Further, depending on the target number and the number of flying objects, there is a problem that the processing load of the ground control device increases and the guidance control is delayed.
JP-A-2005-024142 JP 2003-130594 A

  As described above, in the conventional flying object guidance system, it is necessary to transmit information data at a high rate between the airborne sensor, the ground control device, and the flying object, and to update in real time. However, in the end guidance of a flying object that requires an increase in communication system load and guidance control delay or data update at a high rate, the guidance control delay due to the data transmission time occurs and the guidance accuracy deteriorates. To do. Further, depending on the target number and the number of flying objects, there is a problem that the processing load of the ground control device increases and the guidance control is delayed.

  The present invention has been made to solve the above problems, and provides a flying object guidance system and a flying object guidance method that reduce the communication load to reduce the delay in guidance control and improve the guidance accuracy. For the purpose.

  In order to solve the above-mentioned problem, the flying object guidance system according to the present invention searches for a moving target in a jurisdiction area that is stagnant, and continuously acquires and transmits target information including the position and speed of the captured moving target. To the meeting point of the moving target based on the flight information including its own position and velocity and the target information. And a guidance flying body that performs steering control based on the calculation result.

  In addition, the flying object guidance method according to the present invention searches for a moving target in a jurisdiction area by a stagnant airborne sensor, continuously acquires target information including the position and speed of the captured moving target, and performs guided flight. The latest target information transmitted from the airborne sensor is continuously received on the guided vehicle side, and the moving target is transmitted based on the flight information including its own position and speed and the target information. The guidance route to the meeting point is repeatedly calculated, and the steering control is performed based on the calculation result.

  As described above, in the present invention, even in an area where the line of sight is not clear, the hovering sensor is stagnated to search for the moving target in the area, and the information of the captured moving target is continuously acquired to obtain the guided flying object. In the guided vehicle, the latest target information is acquired from the airborne sensor, and the guidance route to the meeting point with the moving target is calculated repeatedly along with its own flight information, and steering control is performed. It is no longer necessary to continuously give guidance information to the flying object from the shooting control device, etc., which makes it possible to reduce the communication load and reduce the delay in guidance control, and to perform guidance calculation with the latest target information, It is possible to improve the guidance accuracy.

  As described above, according to the present invention, it is possible to provide a flying object guidance system and a flying object guidance method that reduce the communication load to reduce the delay in guidance control and improve guidance accuracy.

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

  FIG. 1 is a conceptual diagram showing a schematic configuration of a flying object guidance system according to the present invention, and FIG. 2 is a block diagram showing the configuration of individual devices constituting the system and the contents of communication information between the devices. 1 and 2, 1 is a control device, 2 is an airborne sensor, 3 is a flying object launching device, 4 is a guided flying object, 5 is an airborne repeater, and 6 is a moving target.

  The control device 1 manages the entire system and performs shooting control of the guided flying object 4. The flying object launching device 3 has one or more control devices 1 based on sensor information (moving target detection information) of the airborne sensor 2. The guided flying object 4 is fired, and the shooting control information for instructing the guided flying object 4 to the meeting target and transmitting the target information is transmitted to the airborne sensor 2. Also, the flying object information (position, speed, etc.) from the airborne sensor 2 can be received and the flying object information can be presented in real time, and the situation can be presented to the operator by displaying it on a monitor screen or the like. It has a function of instructing the guide flying body 4 of treatment information in an emergency situation.

  The airborne sensor 2 stays in the sky such as a mountainous area where the line of sight is not effective at the position of the control device 1, receives the shooting control information from the control device 1 by the transmission / reception unit 21, and follows the instructions indicated in the information, In the acquisition unit 22, for example, the moving target 6 in the jurisdiction area is searched and captured by a radar or the like, and target information such as the position and speed of the captured moving target 6 is acquired. Then, the transmission / reception unit 21 wirelessly transmits the acquired target information and shooting control information from the control device 1 to one or a plurality of guided flying bodies 4. In addition, the acquired target information and communication information with the guide flying object 4 are wirelessly transmitted from the transmission / reception unit 21 to the control device 1.

  The flying object launching device 3 launches one or more guided projectiles 4 toward the jurisdiction area of the airborne sensor 2 in accordance with an instruction from the control device 1.

  The guided flying object 4 transmits its own device information such as the position and speed of its own device to the airborne sensor 2 and receives the target information and shooting control information from the airborne sensor 2, and an INS (Inertial), for example. The target information 6 is identified from the flight information acquisition unit 42 that acquires flight information (for example, position, speed, etc.) of the device itself, such as a navigation system (inertial navigation system), and the flight control information. A guidance calculation unit 43 that performs a guidance calculation for guiding the device to the meeting point with the target target 6 based on the information, and a flight control unit 44 that controls the flight steering of the device based on the guidance calculation result. Prepare.

  The airborne repeater 5 is a device that stays at a designated position and relays information communication between the control device 1 and the airborne sensor 2, and the number and arrangement location thereof are arbitrary.

  In the above configuration, the cooperation processing of the control device 1, the airborne sensor 2, the flying object launching device 3, and the guided flying object 4 will be described below with reference to the sequence diagram shown in FIG.

  First, the airborne sensor 2 searches and captures the moving target 6 in the jurisdiction area, acquires target information such as the position and speed of the captured moving target 6, and periodically or upon request, the airborne repeater 5. Is transmitted to the control device 1 via. When the control device 1 is notified of the capture of the moving target 6 by the target information, the control device 1 sends a flying object launch command to the flying object launching device 3 and directs one or more guided flying objects 4 to the jurisdiction area of the airborne sensor 2. And fire control information is sent to the airborne sensor 2. When the airborne sensor 2 receives the fire control information, it instructs the guided vehicle 4 to specify the meeting target and transmits the target information based on the information, and thereafter continuously transmits the latest target information.

  The guided flying object 4 launched from the flying object launching device 3 sequentially receives the latest target information from the airborne sensor 2 and performs an operation for guiding itself to the meeting target together with its flight information, The target is approached and met by steering control based on the calculation result. Further, the flying object information such as the position and speed device operating status obtained by the guidance calculation is sent to the control device 1 via the stray sensor 2. The control device 1 presents the situation to the operator by displaying the flying object information (position, speed, device operating condition, etc.) transmitted from the guided flying object 4 on a monitor screen or the like. Is instructed to the guided flying object 4 via the stray sensor 2.

  As described above, the feature of this system is that the flying object itself performs the guidance calculation and guides itself to the target. As a result, since a wide communication band is not required, there is an effect that radio wave resources can be effectively used. Moreover, the delay of guidance control can be reduced, and the guidance accuracy of terminal guidance can be improved. In addition, the processing load on the ground equipment such as the control device 1 can be reduced. In addition, since the target information is acquired by the aerial sensor 2, there is an effect that it is possible to select the moving target 6 that is not visible. In addition, since data is relayed by the airborne repeater 5, there is an effect that communication without radio wave sight is possible.

  Note that the present invention is not limited to the above-described embodiment as it is, and can be embodied by modifying the constituent elements without departing from the scope of the invention in the implementation stage. In addition, various inventions can be formed by appropriately combining a plurality of components disclosed in the embodiment. For example, some components may be deleted from all the components shown in the embodiment. Furthermore, constituent elements over different embodiments may be appropriately combined.

The conceptual diagram which shows schematic structure of the flying body guidance system which is one Embodiment of this invention. The block diagram which shows the content of the structure of each apparatus which comprises the system, and the communication information between apparatuses. The sequence diagram which shows the flow of the cooperation process between apparatuses in the system of the said embodiment.

Explanation of symbols

  DESCRIPTION OF SYMBOLS 1 ... Control apparatus, 2 ... Stray type sensor, 21 ... Transmission / reception part, 22 ... Target information acquisition part, 3 ... Flying object launching apparatus, 4 ... Guide flying object, 41 ... Transmission / reception part, 42 ... Flight information acquisition part, 43 ... Guide calculation unit, 44 ... flight control unit, 5 ... airborne repeater, 6 ... movement target, 5 ... airborne repeater.

Claims (8)

A stagnant sensor that searches for a moving target in the jurisdiction area after it is stagnant, continuously acquires and transmits target information including the position and speed of the captured moving target, and
The latest target information transmitted from the airborne sensor is continuously received, and the guidance route to the meeting point with the moving target is repeatedly calculated based on the flight information including its own position and speed and the target information. And a flying object guidance system comprising: a guidance flying object that performs steering control based on the calculation result.   Further, the fire control information is received so that the target information transmitted from the aerial-type sensor is received, the target information is analyzed, the meeting target is instructed to the guided vehicle and the target information is transmitted to the aerial-type sensor. The flying object guidance system according to claim 1, further comprising a control device that transmits the flying object. The guided vehicle includes means for transmitting the flight information to the stray sensor,
The airborne sensor comprises means for transmitting the flight information to the control device,
3. The flying object guidance system according to claim 2, wherein the control device includes means for monitoring a guidance status of the guided flying object from the flight information.   The flying object guidance system according to claim 2, further comprising a repeater that relays transmission and reception of information between the airborne sensor and the control device. Search for a moving target in the jurisdiction area with a stagnant airborne sensor, continuously acquire target information including the position and velocity of the captured moving target, and send it to the guided vehicle.
On the guided vehicle side, the latest target information transmitted from the airborne sensor is continuously received, and based on the flight information including its own position and speed and the target information, the meeting point with the moving target is reached. A flying object guiding method characterized by repeatedly calculating a guide route of the vehicle and performing steering control based on the calculation result.   Furthermore, the target information obtained by the airborne sensor is sent to the control device, the target information is analyzed on the air traffic control device side, and the target information is instructed to the guided vehicle by the airborne sensor. 6. The flying object guiding method according to claim 5, wherein the shooting control information is transmitted so as to be transmitted. The guided flying object transmits the flight information to the stray sensor,
The airborne sensor transmits the flight information to the control device,
7. The flying object guiding method according to claim 6, wherein the control device monitors the guiding state of the guided flying object from the flight information.   7. The flying object guiding method according to claim 6, wherein transmission / reception of information between the airborne sensor and the control device is relayed by a repeater.

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