CN112284195B - Accurate ground strike design method based on relative satellite navigation - Google Patents
Accurate ground strike design method based on relative satellite navigation Download PDFInfo
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- CN112284195B CN112284195B CN202010990929.9A CN202010990929A CN112284195B CN 112284195 B CN112284195 B CN 112284195B CN 202010990929 A CN202010990929 A CN 202010990929A CN 112284195 B CN112284195 B CN 112284195B
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F42—AMMUNITION; BLASTING
- F42B—EXPLOSIVE CHARGES, e.g. FOR BLASTING, FIREWORKS, AMMUNITION
- F42B15/00—Self-propelled projectiles or missiles, e.g. rockets; Guided missiles
- F42B15/01—Arrangements thereon for guidance or control
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Abstract
The invention provides a design method for accurately striking the ground based on relative satellite navigation, which is used for designing an accurate striking method for weapons according to each stage of striking the ground target by using a satellite-guided bomb for an aircraft in operation, effectively improving the striking precision of a fire control system, supporting all-weather attack, effectively ensuring the safety of the aircraft in operation and reducing the task cost and the task time. The method ensures the safety of the fighter plane, reduces the task cost and the task time, can eliminate the system error accounting for about 85% of the satellite positioning error and only remains 15% of the random error, and greatly improves the ground striking precision of the fire control system.
Description
Technical Field
The invention relates to the field of aviation firepower control, in particular to a ground accurate striking design method for a combat aircraft using a satellite-guided bomb based on a relative satellite navigation technology.
Background
When an active combat aircraft uses an accurate attack weapon to carry out an attack task on the ground, a fire control system realizes accurate positioning of a ground target, and a real-time detection technical method of acquiring information in advance or an airborne sensor is generally adopted. With the enlargement and complex situation of the modern battle operation area, the completion of target positioning depending on information support becomes unrealistic, and the time and the cost are not acceptable; the airborne sensor is used for accurately positioning the target, the positioning error is rapidly increased along with the increase of the target distance, and the requirement of accurate striking on positioning precision cannot be met.
The satellite-guided bomb is used for hitting the ground without laser irradiation, the carrier can be separated after being launched, the safety of the aerial carrier can be effectively guaranteed, the aerial carrier is not influenced by weather, the aerial carrier is suitable for various combat environments, and the current war requirements are met. The method is characterized in that a satellite guidance bomb is used, accurate target coordinates need to be bound in advance, accurate striking on a face target is implemented, a photoelectric sensor is used for target positioning, and due to the fact that satellite positioning errors and target positioning errors exist, geographical coordinates with enough accuracy cannot be generated in real time, so that the accuracy requirement that the satellite guidance bomb strikes the target is met. A design method for accurately striking the ground based on relative satellite navigation is designed, a small unmanned aerial vehicle or a flying patrol bomb is used for target positioning, and target positioning errors can be eliminated; meanwhile, the satellite-guided bomb and the small unmanned aerial vehicle/patrol bomb share the satellite combination, and the satellite-guided bomb carries out navigation aiming attack based on the common-view satellite, so that the common positioning error of the aerial carrier and the weapon can be eliminated, and the accurate striking of the satellite-guided weapon on the ground target can be realized.
Disclosure of Invention
In order to overcome the defects of the prior art, the invention provides a precise hitting design method for the ground based on relative satellite navigation, which is used for designing a precise hitting method for weapons according to each stage of hitting the ground target by using a satellite-guided bomb by a combat aircraft, effectively improving the hitting precision of a fire control system, supporting all-weather attack, effectively ensuring the safety of the combat aircraft and reducing the task cost and the task time.
The technical scheme adopted by the invention for solving the technical problem comprises the following detailed steps:
step 1: determining engagement units and capacity requirements:
the aircraft for the battle mission: the mounted satellite-guided bomb is provided with a data chain and can receive a return image and position information of a small unmanned aerial vehicle or a patrol bomb;
unmanned aerial vehicle/cruise missile: the system is provided with a data chain and a television seeker, and can execute a flight task based on image recognition or a link control command;
unmanned aerial vehicle/patrol missile operator: if the small unmanned aerial vehicle/flying bomb patrol is launched on the aircraft, the operator is an on-aircraft pilot, and if the small unmanned aerial vehicle/flying bomb patrol is launched on the ground, the operator is a ground pilot;
step 2: the implementation process of accurate striking to the ground:
step 2.1: a task preparation stage: the method comprises the steps that target rough position information is obtained through intelligence, a mission aircraft reaches a designated mission area, tracking satellites and ephemeris filling are locked, and it is guaranteed that a satellite-guided bomb and a small unmanned aerial vehicle/cruise missile adopt a common-view satellite;
step 2.2: detecting and positioning a target;
after ephemeris filling is successful, a pilot near a mission aircraft or a ground mission area launches a small unmanned aerial vehicle/cruise missile, so that the small unmanned aerial vehicle/cruise missile enters a defense area within a specified time to execute a reconnaissance and positioning task, and if the ephemeris does not enter the defense area beyond the specified time, ephemeris filling is carried out again; the method comprises the steps that an operator controls an unmanned aerial vehicle/flying patrol bomb to fly to a target area, the unmanned aerial vehicle/flying patrol bomb returns a video image through a data link, the operator marks a target, the unmanned aerial vehicle/flying patrol bomb impacts towards a marked target position and returns a position coordinate of the unmanned aerial vehicle/flying patrol bomb, a mission aircraft obtains the coordinate of the unmanned aerial vehicle/flying patrol bomb at the impact moment, accurate target position information of target positioning errors is eliminated, and target positioning accuracy is guaranteed;
step 2.3: accurately striking a weapon;
after the combat mission aircraft acquires target position information returned by the unmanned aerial vehicle/patrol bomb, a fire control system of the combat mission aircraft binds target coordinates for the satellite-guided bomb to complete weapon launching, the combat mission aircraft can be separated after launching, and the satellite-guided bomb carries out navigation aiming attack based on a common-view satellite, so that satellite positioning errors can be greatly reduced, and ground striking precision is effectively guaranteed.
The steps of locking and tracking the satellite and filling the ephemeris are as follows:
the method comprises the following steps that a combat mission aircraft calculates a common-view satellite within a weapon release range and within a working time period by using ephemeris of a currently searched satellite, in order to ensure positioning accuracy, the common-view satellite is screened according to a height angle, a satellite combination which is larger than a preset threshold in height angle and has the optimal geometric distribution uniformly distributed over a combat area and is larger than or equal to 4 is selected, and the satellite combination is locked; then, the battle mission aircraft enters an active locking working mode, and simultaneously, the locked satellite number and ephemeris of the satellite are sent to a satellite guidance bomb and an unmanned aerial vehicle/cruise bomb; and the satellite guidance bomb and the unmanned aerial vehicle/cruise bomb reply the number of the successfully received satellite to the mission aircraft, the mission aircraft confirms that all the locked satellite numbers and satellite ephemeris are successfully received, and if the satellite numbers and the ephemeris are not completely the same, the missing satellite numbers and ephemeris are sent again until all the satellite numbers and the ephemeris are successfully added.
The invention has the beneficial effects that:
1. the safety of the combat aircraft is ensured: the combat aircraft can launch satellite guidance bombs outside the defense area, and the bombs can be separated after being launched without detecting and positioning the target in a short distance and continuously irradiating the target with laser, so that the safety of the aircraft is effectively ensured.
2. And the task cost is reduced: the combat aircraft and small-size unmanned aerial vehicle or patrol the cooperation of missile and carry out the target pinpoint, unmanned aerial vehicle/patrol the missile with low costs, the combat aircraft need not to carry high performance sensor equipment, requires lowly to aircraft performance, and multiple model aircraft platform homoenergetic satisfies the task demand, greatly reduced task cost.
3. And (3) reducing the task time: the single-time entry is supported to implement multi-target attack, the target position reconnaissance is realized through a plurality of small unmanned aerial vehicles or patrol missiles in advance, high-precision target position information is obtained, the mission aircraft can enter the mission aircraft at a single time to complete an attack mission for multiple targets, the mission time is reduced, and the attack efficiency is improved.
4. The technology can eliminate the system error accounting for about 85% of satellite positioning errors and only leave 15% of random errors, and greatly improves the ground striking precision of the fire control system.
Drawings
FIG. 1 is a schematic diagram of a co-view satellite-based relative satellite navigation technique according to the present invention.
Detailed Description
The invention is further illustrated by the following examples in conjunction with the drawings.
According to each stage of the attack of a combat aircraft on the ground by using a satellite-guided bomb, a target accurate hitting method based on a relative satellite navigation technology is described in detail:
1. and (3) combing an attack flow: designing a ground attack engagement unit, each unit performance and an attack flow according to task requirements;
2. eliminating target positioning errors: designing a target reconnaissance and positioning method by matching the combat aircraft with a small unmanned aerial vehicle or a patrol missile, and eliminating target positioning errors caused by detection by using an airborne sensor;
3. eliminating satellite positioning errors: designing a weapon and a small unmanned aerial vehicle/flying round to share the same satellite combination, so that the error of a weapon navigation system is consistent with the navigation error of the unmanned aerial vehicle/flying round, and the satellite positioning error is eliminated;
4. eliminating satellite positioning errors: in order to reduce satellite positioning errors during weapon navigation aiming attack, a relative satellite navigation technology based on a common-view satellite is adopted, so that the same group of satellites are observed by a satellite-guided bomb and an unmanned aerial vehicle/patrol bomb in the attack process, and the measurement result between the weapon and the reconnaissance platform is ensured not to be increased by relative errors caused by the change of the selected satellites.
Example (b):
step 1: determining engagement units and capacity requirements:
the battle mission aircraft: the mounted satellite guidance bomb is provided with a data chain and can receive the returned image and position information of the small unmanned aerial vehicle or the patrol bomb;
unmanned aerial vehicle/cruise missile: the system is provided with a data chain and a television seeker, and can execute flight tasks based on image recognition or link control instructions;
unmanned aerial vehicle/patrol missile operator: if the small unmanned aerial vehicle/flying missile patrol is launched on the plane, an operator is an on-plane pilot, and if the small unmanned aerial vehicle/flying missile patrol is launched on the ground, the operator is a ground pilot;
step 2: the implementation process of accurate striking to the ground:
step 2.1: a task preparation stage: the method comprises the steps of obtaining rough target position information through information, enabling a mission aircraft to reach a designated mission area, locking and tracking a satellite and filling ephemeris, and ensuring that a satellite-guided bomb and a small unmanned aerial vehicle/cruise missile adopt a common-view satellite, as shown in figure 1.
The locking tracking satellite and ephemeris filling method comprises the following steps:
the method comprises the following steps that a combat mission aircraft calculates a common-view satellite in a weapon release range and in a working time period by using ephemeris of a currently searched satellite, in order to ensure positioning accuracy, the common-view satellite is screened according to a height angle, a plurality of satellite combinations (more than or equal to 4) which are more than a preset threshold in height angle and have optimal geometric distribution and are uniformly distributed above a combat area are selected, and the satellite combinations are locked; then, the battle mission aircraft enters an active locking working mode, and simultaneously, the locked satellite number and ephemeris of the satellite are sent to a satellite guidance bomb and an unmanned aerial vehicle/patrol bomb; the satellite guidance bomb and the unmanned aerial vehicle/cruise bomb reply the number of the successfully received satellite to the mission aircraft, the mission aircraft confirms that all the locked satellite numbers and satellite ephemeris are successfully received, and if the satellite numbers and the ephemeris are not completely the same, the missing satellite numbers and ephemeris are sent again until all the satellite numbers and the ephemeris are successfully filled;
step 2.2: detecting and positioning a target;
after ephemeris filling is successful, a pilot near a mission aircraft or a ground mission area launches a small unmanned aerial vehicle/cruise missile, so that the small unmanned aerial vehicle/cruise missile enters a defense area within a specified time to execute a reconnaissance and positioning task, and if the ephemeris does not enter the defense area beyond the specified time, ephemeris filling is carried out again; the method comprises the steps that an operator controls an unmanned aerial vehicle/flying patrol bomb to fly to a target area, the unmanned aerial vehicle/flying patrol bomb returns a video image through a data link, the operator marks a target, the unmanned aerial vehicle/flying patrol bomb impacts towards a marked target position and returns a position coordinate of the unmanned aerial vehicle/flying patrol bomb, a mission aircraft obtains the coordinate of the unmanned aerial vehicle/flying patrol bomb at the impact moment, accurate target position information of target positioning errors is eliminated, and target positioning accuracy is guaranteed;
step 2.3: accurately striking a weapon;
after the combat mission aircraft acquires target position information returned by the unmanned aerial vehicle/patrol bomb, a fire control system of the combat mission aircraft binds target coordinates for the satellite-guided bomb to complete weapon launching, the combat mission aircraft can be separated after launching, and the satellite-guided bomb carries out navigation aiming attack based on a common-view satellite, so that satellite positioning errors can be greatly reduced, and ground striking precision is effectively guaranteed.
Claims (2)
1. A design method for accurately striking the ground based on relative satellite navigation is characterized by comprising the following steps:
step 1: determining engagement units and capacity requirements:
the battle mission aircraft: the mounted satellite guidance bomb is provided with a data chain and can receive the returned image and position information of the small unmanned aerial vehicle or the patrol bomb;
unmanned aerial vehicle/cruise missile: the system is provided with a data chain and a television seeker, and can execute flight tasks based on image recognition or link control instructions;
unmanned aerial vehicle/patrol missile operator: if the small unmanned aerial vehicle/flying bomb patrol is launched on the aircraft, the operator is an on-aircraft pilot, and if the small unmanned aerial vehicle/flying bomb patrol is launched on the ground, the operator is a ground pilot;
step 2: the implementation process of accurate striking to the ground:
step 2.1: a task preparation stage: the method comprises the steps that target rough position information is obtained through intelligence, a mission aircraft reaches a designated mission area, tracking satellites and ephemeris filling are locked, and it is guaranteed that a satellite-guided bomb and a small unmanned aerial vehicle/cruise missile adopt a common-view satellite;
step 2.2: detecting and positioning a target;
after ephemeris filling is successful, a pilot near a mission aircraft or a ground mission area launches a small unmanned aerial vehicle/cruise missile, so that the small unmanned aerial vehicle/cruise missile enters a defense area within a specified time to execute a reconnaissance and positioning task, and if the ephemeris does not enter the defense area beyond the specified time, ephemeris filling is carried out again; the method comprises the steps that an operator controls an unmanned aerial vehicle/flying patrol bomb to fly to a target area, the unmanned aerial vehicle/flying patrol bomb returns a video image through a data link, the operator marks a target, the unmanned aerial vehicle/flying patrol bomb impacts towards a marked target position and returns a position coordinate of the unmanned aerial vehicle/flying patrol bomb, a mission aircraft obtains the coordinate of the unmanned aerial vehicle/flying patrol bomb at the impact moment, and the coordinate is regarded as a target coordinate;
step 2.3: accurately striking a weapon;
after the combat mission aircraft acquires target position information returned by the unmanned aerial vehicle/patrol missile, a fire control system of the combat mission aircraft binds target coordinates for the satellite-guided bomb to complete weapon launching, the combat mission aircraft can be separated after launching, and the satellite-guided bomb carries out navigation aiming attack based on a common-view satellite, so that satellite positioning errors can be greatly reduced, and the ground hitting precision is effectively guaranteed.
2. The method for designing accurate strike to the ground based on relative satellite navigation according to claim 1, wherein:
the steps of locking and tracking the satellite and filling the ephemeris are as follows:
the method comprises the following steps that a combat mission aircraft calculates a common-view satellite within a weapon release range and within a working time period by using ephemeris of a currently searched satellite, in order to ensure positioning accuracy, the common-view satellite is screened according to a height angle, a satellite combination which is larger than a preset threshold in height angle and has the optimal geometric distribution uniformly distributed over a combat area and is larger than or equal to 4 is selected, and the satellite combination is locked; then, the battle mission aircraft enters an active locking working mode, and simultaneously, the locked satellite number and ephemeris of the satellite are sent to a satellite guidance bomb and an unmanned aerial vehicle/cruise bomb; and the satellite guidance bomb and the unmanned aerial vehicle/cruise bomb reply the successfully received satellite numbers to the mission aircraft, the mission aircraft confirms that all the locked satellite numbers and satellite ephemeris are successfully received, and if the satellite numbers and the ephemeris are not completely the same, the missing satellite numbers and ephemeris are sent again until all the satellite numbers and the ephemeris are successfully filled.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| KR101806305B1 (en) * | 2016-03-08 | 2017-12-07 | 주식회사 엑센스 | Air-to-ground weaponry system including drone collecting and furnishing image data for bomb damage assessment |
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| US5554994A (en) * | 1995-06-05 | 1996-09-10 | Hughes Missile Systems Company | Self-surveying relative GPS (global positioning system) weapon guidance system |
| CN105783594A (en) * | 2009-02-02 | 2016-07-20 | 威罗门飞行公司 | Multimode Unmanned Aerial Vehicle |
| CN110488230A (en) * | 2019-08-23 | 2019-11-22 | 成都航天科工微电子系统研究院有限公司 | A kind of double more base forword-looking imaging method and apparatus |
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