EP1103779B1 - Verfahren zur zielbezogenen Korrektur einer ballistischen Flugbahn - Google Patents
Verfahren zur zielbezogenen Korrektur einer ballistischen Flugbahn Download PDFInfo
- Publication number
- EP1103779B1 EP1103779B1 EP00124171A EP00124171A EP1103779B1 EP 1103779 B1 EP1103779 B1 EP 1103779B1 EP 00124171 A EP00124171 A EP 00124171A EP 00124171 A EP00124171 A EP 00124171A EP 1103779 B1 EP1103779 B1 EP 1103779B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- trajectory
- projectile
- target
- actual
- expected
- Prior art date
- Legal status (The legal status 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 status listed.)
- Expired - Lifetime
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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
- F41G7/34—Direction control systems for self-propelled missiles based on predetermined target position data
- F41G7/346—Direction control systems for self-propelled missiles based on predetermined target position data using global navigation satellite systems, e.g. GPS, GALILEO, GLONASS
Definitions
- the invention relates to a method according to the preamble of claim 1.
- the problem with a ground-based method is also the reliability a communication link for the transmission of the brake release time or directly from the brake control unit from the fire control computer to the projectile, In any case, given its high speed, this is partly in one ionized, a radio link affecting atmospheric envelope fly can.
- the present invention is based on the object the in itself promising, but for the interests of the practice still too inaccurate methods of the generic type to the effect that over a trajectory shortening due to increase of the aerodynamic Braking torque can achieve a much more precise target acquisition.
- the object is achieved in that the specified in the main claim essential process steps are realized.
- the solution according to the invention is based on how known per se the much larger longitudinal spread of a ballistic compared to the transverse scattering or quasi-ballistically spent projectile thereby reducing the breakpoint first moved behind the measured target position and then this track is abbreviated. But this transfer is now only so far that the transition trajectory the projectile after its deceleration considering a current one Fault budget on theoretically shortest trajectory leads straight to the finish; according to the invention, this given fault budget as long as possible along the Trajectory up to the braking torque from a comparison with that for certain Error specifications theoretically predicted trajectory.
- the projectile may be e.g. to a powerless, from a mortar or from a howitzer spent missile, but also about an artillery rocket with its initially to increase the range along quasi-ballistic Trajectory acting rocket motor.
- the real crossing trajectory in the the projectile then from its initial trajectory by means of the aerodynamic Braking effect is pivoted, lies between the shallowest or shortest (minimum) and the highest or longest (maximum) trajectory of the current Streuf kauers and can in principle by braking in the shortest, so in the straight leading to the trajectory trajectory
- the initialization point determined autonomously for the braking maneuver on board the projectile, ie without to be dependent on a data connection to a ground station.
- the projectile is again with a satellite receiving device for determining equipped the actual initial trajectory.
- Deviating from generic form of the art is the braking maneuver but not already triggered upon reaching a predetermined path point, but according to the invention becomes the initial trajectory over as long a period as possible for as many train points as possible compared with the theoretical launcher curve.
- the current disturbances are detected parametrically. They are in particular Wind directions and strengths in different heights, but also about the Fault budget of the firing device (known transverse and height inaccuracies of the gun) and influences different depending on the environment Intensity of the firing charge.
- the braking time is as possible late. So in the end it is not defined depending on the start of the projectile, but depending on the remaining flight time until the theoretical achievement of the Objective. He is therefore determined in time backwards, in a sense opposite to temporal movement along the track.
- the projectile will be used as soon as possible after the start of the projectile an information about the currently known error budget mathematical, that is currently given ideal trajectory, as well as about the herefrom expected satellite contacts. This can be very good from aboard the projectile fast on at least some of the navigation satellites above the horizon accessed and quickly provide reliable information about the actual (real) trajectory, that is also about their deviation from the calculated to be derived from it on the actual current error influences close.
- the satellite bearing can be updated the knowledge about the real trajectory until the immediate temporal Near the activation point for the braking maneuver, so long accordingly even beyond the apogee, which leads to another Improvement of the determination of the externally influenced real trajectory as far as possible close approach to the goal and thus to knowledge about the disturbing influences leads to close to the finish.
- elevation 15 and propellant charge power i.e., theoretical exit velocity 16
- These calculated departure trajectory 18 goes into a trajectory 20 after apogee over between a minimum trajectory 21 and a maximum trajectory 22 for a particular fault budget in the environment of the actual to be acquired Target 13 is, so within a certain longitudinal spread 23 of the possible Impact points in the target area.
- a real trajectory 20 is for the actual existing braking system 26 and for certain disturbances a with respect to the remaining flight time to the destination 13 ideal initialization time 24, from which the actual trajectory 20 is straight turn into such a transition trajectory 25 that these are increasingly the minimal trajectory 21 snuggles and in theory ultimately accurate into goal 13 leads.
- This initialization point 24 is the earlier on the real Trajectory 20, the farther they go without the braking corrective intervention at the target area level would be off the target 13, the higher the trajectory 20 so runs.
- the different Disturbances can be differentiated by a crowd inclined fan of trajectories 20 and / or by a crowd differently parameterize the tripping curves 28.
- the determination of the actual real trajectory 20 takes place on board the projectile 17 even over as long a flight as possible, in order to maximize the real impact many errors on the trajectory 18 into the trajectory 20 into with too to capture.
- the path determination is carried out satellite-based, so over Reception of the position information of currently on board the projectile 17 detected Navigation satellites 27 based on their known orbit data, such as from satellite navigation by means of different systems of positioning satellites as such well known.
- the spin-stabilized projectile 17 is preferably with a rotating against the swirl scanning of the projectile 17 on its lateral surface surrounding antenna elements to ensure a trouble-free Direct reception to allow, so disturbing ground reflections of the satellite emission hide as further explained in EP 0 840 393 A2.
- the braking device 26 is activated and the previous real trajectory 20 with pivoting into the transition path 25 into Leave target 13 inside.
- the minimum trajectory is 21 - taking into account the fault budget the weapon 12 and the expected external factors such as height-dependent Headwind 19 on a real trajectory 20 - through the previously enlightened Target position 13 passes through, so that all real trajectories 20 to the maximum Trajectory 22 of this total error budget are behind the target position 13. Then the descent of the projectile 17 into the target area from the current, real Trajectory 20 out to the minimum trajectory 21 out, so the target position 13 out shortened by releasing an aerodynamic braking effect.
Landscapes
- Engineering & Computer Science (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- General Engineering & Computer Science (AREA)
- Aiming, Guidance, Guns With A Light Source, Armor, Camouflage, And Targets (AREA)
- Radar Systems Or Details Thereof (AREA)
- Control Of Position, Course, Altitude, Or Attitude Of Moving Bodies (AREA)
- Vehicle Body Suspensions (AREA)
- Electrotherapy Devices (AREA)
- Electrophonic Musical Instruments (AREA)
Description
Claims (4)
- Verfahren zur nach Maßgabe einer zu erwartenden Zielablage erfolgenden Korrektur der satellitengestützt an Bord vermessenen Bahnkurve eines ballistisch oder quasi-ballistisch verbrachten Projektils durch Erhöhen seines aerodynamischen Widerstandsbeiwertes zum Einschwenken aus der anfänglichen Bahnkurve in eine steilere Übergangsflugbahn zum Ziel,
dadurch gekennzeichnet, daß sensorisch und / oder aus der vermessenen im Vergleich zu einer rechnerisch bestimmten Bahnkurve externe Störeinflüsse auf den Verlauf der Bahnkurve in einer prädiktiven Bestimmung der bevorstehenden realen Flugbahn über das Ziel hinaus berücksichtigt werden, und daß für die demnach zu erwartende reale Flugbahn unter Berücksichtigung jener Einflüsse ein möglichst dicht vor dem Ziel gelegener Initialisierungszeitpunkt für das Erhöhen des Widerstandsbeiwertes zum Eintritt in eine Übergangsflugbahn für Einschwenken in die zielgenaue minimale Flugbahn bestimmt wird. - Verfahren nach Anspruch 1,
dadurch gekennzeichnet, daß für einen fehlerabhängig vorhergesagten Fächer realer Flugbahnen zwischen der minimalen Flugbahn ins Ziel und einer maximalen Flugbahn hinter das Ziel die Auslösekurve einer Folge von Initialisierungspunkten ins Projektil eingespeichert und aus der laufenden Satellitennavigation der bevorstehende Schnittpunkt der Auslösekurve mit der vermessenen realen Flugbahn zur Auslösung der Bremseinrichtung bestimmt wird. - Verfahren nach Anspruch 1 oder 2,
dadurch gekennzeichnet, daß in das Projektil störabhängige Kurvenscharen für reale Flugbahnen und / oder für Auslösekurven eingespeichert werden. - Verfahren nach Anspruch 1, 2 oder 3,
dadurch gekennzeichnet, daß dem Projektil beim Start in die zu erwartende reale Flugbahn Anfangspositionen gemäß den für die Bahnvermessung zu erwartenden Kontakten zu Navigationssatelliten vorgegeben werden.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19957363A DE19957363A1 (de) | 1999-11-29 | 1999-11-29 | Verfahren zur zielbezogenen Korrektur einer ballistischen Flugbahn |
DE19957363 | 1999-11-29 |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1103779A1 EP1103779A1 (de) | 2001-05-30 |
EP1103779B1 true EP1103779B1 (de) | 2004-02-04 |
Family
ID=7930696
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP00124171A Expired - Lifetime EP1103779B1 (de) | 1999-11-29 | 2000-11-08 | Verfahren zur zielbezogenen Korrektur einer ballistischen Flugbahn |
Country Status (5)
Country | Link |
---|---|
US (1) | US6467721B1 (de) |
EP (1) | EP1103779B1 (de) |
AT (1) | ATE259053T1 (de) |
DE (2) | DE19957363A1 (de) |
SG (1) | SG93904A1 (de) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1783451A2 (de) | 2005-11-03 | 2007-05-09 | Junghans Feinwerktechnik GmbH & Co.KG | Drallstabilisiertes Artillerieprojektil |
Families Citing this family (22)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10129043A1 (de) | 2001-06-15 | 2003-01-02 | Diehl Munitionssysteme Gmbh | Verfahren und Vorrichtungen zum Bestimmen des Auslösens einer Bremseinrichtung für die zielbezogene Korrektur der ballistischen Flugbahn eines Projektils |
DE10227251B4 (de) * | 2002-06-19 | 2004-05-27 | Diehl Munitionssysteme Gmbh & Co. Kg | Kombinations-Antenne für Artilleriemunition |
DE10236157A1 (de) | 2002-08-07 | 2004-02-26 | Junghans Feinwerktechnik Gmbh & Co. Kg | Programmierbarer Artilleriezünder |
WO2006002639A1 (en) * | 2004-07-02 | 2006-01-12 | Interactive Sports Games A/S | A method and apparatus for determining a deviation between an actual direction of a launched projectile and a predetermined direction |
DE102004036003B4 (de) * | 2004-07-23 | 2006-11-16 | Diehl Bgt Defence Gmbh & Co. Kg | Panzerhaubitze mit Programmiereinrichtung für Artilleriemunition mit Korrekturzünder |
US7834300B2 (en) * | 2005-02-07 | 2010-11-16 | Bae Systems Information And Electronic Systems Integration Inc. | Ballistic guidance control for munitions |
WO2007089243A2 (en) * | 2005-02-07 | 2007-08-09 | Bae Systems Information And Electronic Systems Integration Inc. | Optically guided munition control system and method |
WO2006088687A1 (en) * | 2005-02-07 | 2006-08-24 | Bae Systems Information And Electronic Systems Integration Inc. | Optically guided munition |
WO2006086527A1 (en) * | 2005-02-07 | 2006-08-17 | Bae Systems Information And Electronic Systems Integration Inc. | Radiation homing tag |
WO2006086532A2 (en) * | 2005-02-07 | 2006-08-17 | Bae Systems Information And Electronic Systems | Three axis aerodynamic control of guided munitions |
US7350744B1 (en) * | 2006-02-22 | 2008-04-01 | Nira Schwartz | System for changing warhead's trajectory to avoid interception |
FR2909458B1 (fr) * | 2006-12-01 | 2009-01-23 | Thales Sa | Procede d'estimation du site d'un projectile balistique. |
US7963442B2 (en) | 2006-12-14 | 2011-06-21 | Simmonds Precision Products, Inc. | Spin stabilized projectile trajectory control |
US20110059421A1 (en) * | 2008-06-25 | 2011-03-10 | Honeywell International, Inc. | Apparatus and method for automated feedback and dynamic correction of a weapon system |
US8046203B2 (en) | 2008-07-11 | 2011-10-25 | Honeywell International Inc. | Method and apparatus for analysis of errors, accuracy, and precision of guns and direct and indirect fire control mechanisms |
WO2010148023A1 (en) * | 2009-06-15 | 2010-12-23 | Blue Origin, Llc | Predicting and correcting trajectories |
DE102010023449B4 (de) * | 2010-06-11 | 2014-01-02 | Diehl Bgt Defence Gmbh & Co. Kg | Verfahren und Vorrichtung zum Steuern eines Lenkflugkörpers |
US8510041B1 (en) * | 2011-05-02 | 2013-08-13 | Google Inc. | Automatic correction of trajectory data |
CN104154818B (zh) * | 2014-07-25 | 2016-01-20 | 北京机械设备研究所 | 一种无控弹射击角度确定方法 |
CN105589068B (zh) * | 2015-12-08 | 2017-09-22 | 河海大学 | 基于三步数值积分的弹道外推方法 |
US20220065588A1 (en) * | 2020-08-31 | 2022-03-03 | Simmonds Precision Products, Inc. | Course correction systems for projectiles |
CN113276116B (zh) * | 2021-05-21 | 2022-01-18 | 武汉瀚迈科技有限公司 | 一种误差可控的机器人轨迹同步过渡方法 |
Family Cites Families (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3759466A (en) * | 1972-01-10 | 1973-09-18 | Us Army | Cruise control for non-ballistic missiles by a special arrangement of spoilers |
US4566656A (en) * | 1982-09-15 | 1986-01-28 | General Dynamics Pomona Division | Steering mechanism for an explosively fired projectile |
US4561357A (en) * | 1982-09-15 | 1985-12-31 | General Dynamics Pomona Division | Steering mechanism for an explosively fired projectile |
SE445952B (sv) * | 1983-03-25 | 1986-07-28 | Bofors Ab | Anordning for att minska projektilspridning |
DE3608109A1 (de) * | 1986-03-12 | 1987-09-17 | Diehl Gmbh & Co | Bremseinrichtung fuer ein drallstabilisiertes projektil |
US5131602A (en) * | 1990-06-13 | 1992-07-21 | Linick James M | Apparatus and method for remote guidance of cannon-launched projectiles |
DE4120367A1 (de) * | 1991-06-20 | 1992-12-24 | Diehl Gmbh & Co | Einrichtung zur messung des hoehenprofils eines bodenwindes |
US5647558A (en) * | 1995-02-14 | 1997-07-15 | Bofors Ab | Method and apparatus for radial thrust trajectory correction of a ballistic projectile |
GB9614133D0 (en) * | 1996-07-05 | 1997-03-12 | Secr Defence | Means for increasing the drag on a munition |
US5775636A (en) * | 1996-09-30 | 1998-07-07 | The United States Of America As Represented By The Secretary Of The Army | Guided artillery projectile and method |
DE19645496C2 (de) | 1996-11-05 | 2001-05-17 | Diehl Stiftung & Co | Um ihre Längsachse rotierende Rakete mit Satelliten-Navigationsempfänger |
DE19718947B4 (de) * | 1997-05-05 | 2005-04-28 | Rheinmetall W & M Gmbh | Pilotgeschoß |
DE19740888C2 (de) * | 1997-09-17 | 1999-09-02 | Rheinmetall W & M Gmbh | Verfahren zum autonomen Lenken eines drallstabilisierten Artilleriegeschosses und autonom gelenktes Artilleriegeschoß zur Durchführung des Verfahrens |
DE19753752C1 (de) * | 1997-12-04 | 1999-07-29 | Eurocopter Deutschland | Vorrichtung und Verfahren zur Bestimmung des Auftreffpunkts eines ballistischen Flugkörpers |
US6069584A (en) * | 1997-12-10 | 2000-05-30 | Rockwell Collins, Inc. | Competent munitions using range correction with auto-registration |
SE513893C2 (sv) * | 1999-04-14 | 2000-11-20 | Bofors Weapon Sys Ab | Sätt och anordning för bromsning av i ballistiska banor flygande projektiler |
-
1999
- 1999-11-29 DE DE19957363A patent/DE19957363A1/de not_active Withdrawn
-
2000
- 2000-11-07 SG SG200006364A patent/SG93904A1/en unknown
- 2000-11-08 DE DE50005186T patent/DE50005186D1/de not_active Expired - Lifetime
- 2000-11-08 EP EP00124171A patent/EP1103779B1/de not_active Expired - Lifetime
- 2000-11-08 AT AT00124171T patent/ATE259053T1/de not_active IP Right Cessation
- 2000-11-17 US US09/716,089 patent/US6467721B1/en not_active Expired - Lifetime
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1783451A2 (de) | 2005-11-03 | 2007-05-09 | Junghans Feinwerktechnik GmbH & Co.KG | Drallstabilisiertes Artillerieprojektil |
Also Published As
Publication number | Publication date |
---|---|
US6467721B1 (en) | 2002-10-22 |
EP1103779A1 (de) | 2001-05-30 |
DE19957363A1 (de) | 2001-05-31 |
SG93904A1 (en) | 2003-01-21 |
DE50005186D1 (de) | 2004-03-11 |
ATE259053T1 (de) | 2004-02-15 |
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