EP0802392A1 - Procédé et dispositif pour le tempage de désintégration d'un projectile programmable - Google Patents

Procédé et dispositif pour le tempage de désintégration d'un projectile programmable Download PDF

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Publication number
EP0802392A1
EP0802392A1 EP96118045A EP96118045A EP0802392A1 EP 0802392 A1 EP0802392 A1 EP 0802392A1 EP 96118045 A EP96118045 A EP 96118045A EP 96118045 A EP96118045 A EP 96118045A EP 0802392 A1 EP0802392 A1 EP 0802392A1
Authority
EP
European Patent Office
Prior art keywords
projectile
time
vov
speed
disassembly
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.)
Granted
Application number
EP96118045A
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German (de)
English (en)
Other versions
EP0802392B1 (fr
Inventor
André Boss
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Rheinmetall Air Defence AG
Original Assignee
Oerlikon Contraves AG
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Filing date
Publication date
Application filed by Oerlikon Contraves AG filed Critical Oerlikon Contraves AG
Publication of EP0802392A1 publication Critical patent/EP0802392A1/fr
Application granted granted Critical
Publication of EP0802392B1 publication Critical patent/EP0802392B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F42—AMMUNITION; BLASTING
    • F42C—AMMUNITION FUZES; ARMING OR SAFETY MEANS THEREFOR
    • F42C17/00—Fuze-setting apparatus
    • F42C17/04—Fuze-setting apparatus for electric fuzes
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F42—AMMUNITION; BLASTING
    • F42C—AMMUNITION FUZES; ARMING OR SAFETY MEANS THEREFOR
    • F42C11/00—Electric fuzes
    • F42C11/06—Electric fuzes with time delay by electric circuitry

Definitions

  • the invention relates to a method and a device for calculating the disassembly time of a programmable projectile, wherein the calculation includes at least one target distance to a target object determined from sensor data, a projectile speed measured at the muzzle of a gun barrel and a predetermined optimal disassembly distance between a meeting point and a disassembly point of the projectile is the basis.
  • a device which has a measuring device for the projectile velocity arranged at the mouth of a gun barrel.
  • the measuring device consists of two ring coils arranged at a certain distance from one another.
  • the change occurs of the magnetic flux generates a pulse in short succession in each ring coil.
  • the pulses are fed to evaluation electronics, in which the projectile speed is calculated from the time interval between the pulses and the distance between the ring coils.
  • a transmitting coil is arranged behind the measuring device for the speed, which co-operates with a receiving coil provided in the projectile.
  • the receiving coil is connected to a counter via a high-pass filter, which is connected on the output side to a timer.
  • a disassembly time is formed from the calculated bullet speed and a hit distance to a target object determined from sensor data, which is inductively transmitted to the bullet immediately after the measuring device has flown through. With this disassembly time, the time fuse is set so that the projectile can be disassembled in the area of the target object.
  • an attacking target can be destroyed by multiple hits, as is known, for example, from a publication OC 2052 d 94 from the company Oerlikon-Contraves, Zurich, if, after the sub-projectiles have been ejected, Time of disassembly the expected area of the target is occupied by a cloud formed by the subprojectiles.
  • the part carrying the sub-projectiles is separated and torn open at predetermined breaking points.
  • the ejected sub-projectiles describe a swirl-stabilized trajectory caused by the rotation of the projectile and lie evenly distributed on approximately semicircular curves of circular areas of a cone, so that a good chance of hitting can be achieved.
  • the invention is based on the object of a method and an apparatus To propose a generic term by means of which an optimal hit or kill probability can be achieved while avoiding the disadvantages mentioned above.
  • a given optimal disassembly distance between a disassembly point of the projectile and a meeting point of the target is kept constant by correcting the disassembly time of the projectile.
  • the correction is made by adding a correction factor multiplied by a speed difference to the disassembly time.
  • the projectile speed difference is formed from the difference between the current measured projectile speed and a lead speed of the projectile, the lead speed being calculated from the mean of a number of previous, successive projectile speeds.
  • the advantages achieved with the invention can be seen in the fact that a given disassembly distance is independent of the current measured bullet speed, so that a permanent optimal hit or shot probability can be achieved.
  • the proposed correction factor for the correction of the dismantling time is based only on the shooting elements of the meeting point for the control of the weapon, namely the gun angles ⁇ , ⁇ , the time Tf and the lead speed V0v of the projectile. This enables simple integration into existing weapon control systems, which requires minimal effort.
  • 1 denotes a fire control and 2 a gun.
  • the fire control system 1 consists of a search sensor 3 for the detection of a target 4 , a follow-up sensor 5 connected to the search radar 3 for target detection, 3-D target tracking and 3-D target measurement, and a fire control computer 6 .
  • the fire control computer 6 has at least one main filter 7 and a lead computing unit 9 .
  • the main filter 7 is connected on the input side to the follow sensor 5 and on the output side to the lead computing unit 9 , the main filter 7 receiving the 3-D target data received from the follow radar 5 in the form of estimated target data Z such as position, speed, acceleration, etc.
  • Computing unit 9 forwards. Meteorological data can be supplied to the lead computing unit 9 via a further input Me. The meaning of the designations on the individual connections or connections is explained in more detail below on the basis of the functional description.
  • a computer of the gun 2 has an evaluation circuit 10 , an update computing unit 11 and a correction computing unit 12 .
  • the evaluation circuit 10 is connected on the input side to a measuring device 14 for the projectile velocity, which is arranged at the mouth of a gun barrel 13 and is described in more detail below with reference to FIG . 2 , and is connected on the output side to the lead computing unit 9 and the update computing unit 11 .
  • the update computing unit 11 is connected on the input side to the reserve and correction computing unit 9, 12 and is connected on the output side to a programming part integrated in the measuring device 14 .
  • the correction computing unit 12 is connected on the input side to the lead computing unit 9 and on the output side to the updating computing unit 11 .
  • a gun servo 15 and a triggering device 16 responding to a fire command are also connected to the lead computing unit 9 .
  • the connections between the fire control 1 and the gun 2 are combined to form a data transmission, which is designated by 17 .
  • the meaning of the designations on the individual connections between the computing units 10 , 11 , 12 and between the fire control system 1 and the gun 2 is explained in more detail below on the basis of the functional description.
  • 18 and 18 ' designate a floor which is shown during a programming phase ( 18 ) and at the time of disassembly ( 18' ).
  • the projectile 18 is a programmable projectile with primary and secondary ballistics, which is equipped with an ejection charge and a time fuse and is filled with sub-projectiles 19 .
  • a support tube 20 attached to the muzzle of the gun barrel 13 consists of three parts 21 , 22 , 23 . Between the first part 21 and the second or third part 22 , 23 , ring coils 24 , 25 are arranged for measuring the projectile speed. On the third part 23 — also called the programming part — a transmission coil 27 held in a coil body 26 is fastened. The type of attachment of the support tube 20 and the three parts 21 , 22 , 23 to each other is not shown and described. Lines 28 , 29 are provided for supplying the ring coils. Soft iron bars 30 are arranged on the circumference of the support tube 20 for the purpose of shielding against magnetic fields which interfere with the measurement.
  • the projectile 18 has a receiving coil 31 which is connected to a timer 34 via a filter 32 and a counter 33 .
  • a pulse is generated in short succession in each ring coil.
  • These pulses are fed to the evaluation circuit 10 ( FIG. 1 ), in which the projectile speed is calculated from the time interval between the pulses and a distance a between the ring coils 24 , 25 .
  • a disassembly time is calculated, as described in more detail below, which is transmitted inductively to the receiver coil 31 in digital form when the projectile 18 passes through the transmitter coil 27 for the purpose of setting the counter 32 .
  • Pz denotes a point of disassembly of the projectile 18 .
  • the ejected subprojectiles are, depending on the distance from the point of decomposition Pz, evenly distributed on approximately semicircular curves of (in perspective) circular areas F1, F2, F3, F4 of a cone C.
  • F1, F2, F3, F4 of a cone C.
  • the distance from the point of decomposition Pz is plotted in meters m
  • the area sizes of the areas F1, F2, F3, F4 are plotted in square meters m 2 and their diameter in meters m.
  • 4 and 4 ' denote the target to be defended, which is shown in a hit or shoot position ( 4 ) and in a position ( 4' ) preceding the hit or shoot position.
  • the lead computation unit 9 calculates a target distance RT from a lead speed VOv and the target data Z, taking meteorological data into account for storeys with primary and secondary ballistics.
  • the lead speed VOv is formed, for example, from the mean value of a number of measured projectile speeds Vm supplied via the data transmission 17 , which immediately precede the current measured projectile speed Vm.
  • the lead computing unit 9 also determines a gun angle ⁇ of the azimuth and a gun angle ⁇ of the elevation.
  • the quantities ⁇ , ⁇ , Tz or Tf and VOv are referred to as shooting elements of the meeting point and are fed to the correction computing unit 12 via the data transmission 17 .
  • the current (running) time (t) is interpolated or extrapolated.
  • the tachometer value ⁇ can also be read directly from the gun and used for the calculation.
  • the corrected decomposition time Tz (Vm) is interpolated or extrapolated depending on the validity for the current running time t.
  • the newly calculated disassembly time Tz (Vm, t) is fed to the transmitter coil 27 of the programming part 23 of the measuring device 14 and, as already described above with reference to FIG. 2 , is transmitted inductively to a projectile 18 flying by.
  • the disassembly distance Dz ( Fig. 3,4 ) can be kept constant irrespective of the scatter of the projectile speed , so that an optimal meeting or Probability of shooting can be achieved.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Aiming, Guidance, Guns With A Light Source, Armor, Camouflage, And Targets (AREA)
  • Radar Systems Or Details Thereof (AREA)
  • Testing Relating To Insulation (AREA)
  • Investigating, Analyzing Materials By Fluorescence Or Luminescence (AREA)
  • Automatic Assembly (AREA)
EP96118045A 1996-04-19 1996-11-11 Procédé et dispositif de détermination d'un temps de désintégration corrigé d'un projectile programmable et frangible Expired - Lifetime EP0802392B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
CH99996 1996-04-19
CH999/96 1996-04-19
CH99996 1996-04-19

Publications (2)

Publication Number Publication Date
EP0802392A1 true EP0802392A1 (fr) 1997-10-22
EP0802392B1 EP0802392B1 (fr) 2000-10-18

Family

ID=4200096

Family Applications (1)

Application Number Title Priority Date Filing Date
EP96118045A Expired - Lifetime EP0802392B1 (fr) 1996-04-19 1996-11-11 Procédé et dispositif de détermination d'un temps de désintégration corrigé d'un projectile programmable et frangible

Country Status (12)

Country Link
US (1) US5814756A (fr)
EP (1) EP0802392B1 (fr)
JP (1) JP3891618B2 (fr)
KR (1) KR100436385B1 (fr)
AT (1) ATE197091T1 (fr)
AU (1) AU716410B2 (fr)
CA (1) CA2190385C (fr)
DE (1) DE59606026D1 (fr)
NO (1) NO311953B1 (fr)
SG (1) SG83656A1 (fr)
TR (1) TR199600951A1 (fr)
ZA (1) ZA969542B (fr)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0992762A1 (fr) * 1998-10-08 2000-04-12 Oerlikon Contraves Ag Procédé et dispositif pour transmettre des informations à un projectile programmable
EP0992758A1 (fr) 1998-10-08 2000-04-12 Oerlikon Contraves Ag Procédé et dispositif pour le calcul et la correction du temps de désintégration d'un projectile programmable stabilisé par rotation
WO2008098562A1 (fr) * 2007-02-12 2008-08-21 Krauss-Maffei Wegmann Gmbh & Co. Kg Procédé et dispositif de protection contre des éléments de munition d'attaque volants
DE102009011447A1 (de) * 2009-03-03 2010-09-30 Diehl Bgt Defence Gmbh & Co. Kg Verfahren zum Zünden eines Gefechtskopfs einer Granate und Fahrzeug
DE102011106198B3 (de) * 2011-06-07 2012-03-15 Rheinmetall Air Defence Ag Verfahren zur Bestimmung der Mündungsaustrittsgeschwindigkeit eines Projektils
DE102011018248B3 (de) * 2011-04-19 2012-03-29 Rheinmetall Air Defence Ag Vorrichtung und Verfahren zur Programmierung eines Geschosses

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2761767B1 (fr) * 1997-04-03 1999-05-14 Giat Ind Sa Procede de programmation en vol d'un instant de declenchement d'un element de projectile, conduite de tir et fusee mettant en oeuvre un tel procede
DE59903384D1 (de) * 1998-10-08 2002-12-19 Contraves Pyrotec Ag Verfahren zum Korrigieren einer vorprogrammierten Auslösung eines Vorganges in einem drallstabilisierten Geschoss, Vorrichtung zur Durchführung des Verfahrens und Verwendung der Vorrichtung
EP1452825B1 (fr) 2003-02-26 2008-04-09 RWM Schweiz AG Méthode pour programmer la détonation d'un projectile et canon équipé d'un système de programmation
DE102011109658A1 (de) 2011-08-08 2013-02-14 Rheinmetall Air Defence Ag Vorrichtung und Verfahren zum Schutz von Objekten
US11933585B2 (en) 2013-03-27 2024-03-19 Nostromo Holdings, Llc Method and apparatus for improving the aim of a weapon station, firing a point-detonating or an air-burst projectile
US10514234B2 (en) 2013-03-27 2019-12-24 Nostromo Holdings, Llc Method and apparatus for improving the aim of a weapon station, firing a point-detonating or an air-burst projectile
DE102013007229A1 (de) 2013-04-26 2014-10-30 Rheinmetall Waffe Munition Gmbh Verfahren zum Betrieb eines Waffensystems
CN110440827B (zh) * 2019-08-01 2022-05-24 北京神导科讯科技发展有限公司 一种参数误差的标定方法、装置及存储介质
SE545273C2 (sv) 2019-09-30 2023-06-13 Bae Systems Bofors Ab Metod för optimering av brisadpunkt samt vapensystem

Citations (5)

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Publication number Priority date Publication date Assignee Title
US4142442A (en) * 1971-12-08 1979-03-06 Avco Corporation Digital fuze
GB2107835A (en) * 1981-10-20 1983-05-05 Sfim Correcting, from one shot to the next, the firing of a weapon
US4449041A (en) * 1980-10-03 1984-05-15 Raytheon Company Method of controlling antiaircraft fire
EP0300255A1 (fr) 1987-07-20 1989-01-25 Werkzeugmaschinenfabrik Oerlikon-Bührle AG Dispositif numérique de réglage d'un compteur servant à initier un détonateur à temporisation d'un obus
EP0467055A1 (fr) * 1990-07-19 1992-01-22 Oerlikon-Contraves AG Bobine réceptrice pour fusée programmable d'un projectile

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US3575085A (en) * 1968-08-21 1971-04-13 Hughes Aircraft Co Advanced fire control system
US4267776A (en) * 1979-06-29 1981-05-19 Motorola, Inc. Muzzle velocity compensating apparatus and method for a remote set fuze
US4283989A (en) * 1979-07-31 1981-08-18 Ares, Inc. Doppler-type projectile velocity measurement and communication apparatus, and method
DE3309147A1 (de) * 1983-03-15 1984-09-20 Rainer Dipl.-Phys. 6901 Gaiberg Berthold Verfahren und anordnung zur korrektur eines zuendzeitpunktes
US4750423A (en) * 1986-01-31 1988-06-14 Loral Corporation Method and system for dispensing sub-units to achieve a selected target impact pattern
FR2609165A1 (fr) * 1986-12-31 1988-07-01 Thomson Brandt Armements Projectile comportant des sous-projectiles a zone d'efficacite predefinie
GB2226624B (en) * 1987-12-12 1991-07-03 Thorn Emi Electronics Ltd Projectile
DE3830518A1 (de) * 1988-09-08 1990-03-22 Rheinmetall Gmbh Vorrichtung zur einstellung eines geschosszeitzuenders
US5140329A (en) * 1991-04-24 1992-08-18 Lear Astronics Corporation Trajectory analysis radar system for artillery piece
US5267502A (en) * 1991-05-08 1993-12-07 Sd-Scicon Uk Limited Weapons systems future muzzle velocity neural network
CA2082448C (fr) * 1991-05-08 2002-04-30 Christopher Robert Gent Systemes d'armes
US5497704A (en) * 1993-12-30 1996-03-12 Alliant Techsystems Inc. Multifunctional magnetic fuze

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4142442A (en) * 1971-12-08 1979-03-06 Avco Corporation Digital fuze
US4449041A (en) * 1980-10-03 1984-05-15 Raytheon Company Method of controlling antiaircraft fire
GB2107835A (en) * 1981-10-20 1983-05-05 Sfim Correcting, from one shot to the next, the firing of a weapon
EP0300255A1 (fr) 1987-07-20 1989-01-25 Werkzeugmaschinenfabrik Oerlikon-Bührle AG Dispositif numérique de réglage d'un compteur servant à initier un détonateur à temporisation d'un obus
EP0467055A1 (fr) * 1990-07-19 1992-01-22 Oerlikon-Contraves AG Bobine réceptrice pour fusée programmable d'un projectile

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0992762A1 (fr) * 1998-10-08 2000-04-12 Oerlikon Contraves Ag Procédé et dispositif pour transmettre des informations à un projectile programmable
EP0992758A1 (fr) 1998-10-08 2000-04-12 Oerlikon Contraves Ag Procédé et dispositif pour le calcul et la correction du temps de désintégration d'un projectile programmable stabilisé par rotation
US6422119B1 (en) 1998-10-08 2002-07-23 Oerlikon Contraves Ag Method and device for transferring information to programmable projectiles
US6427598B1 (en) 1998-10-08 2002-08-06 Oerlikon Contraves Ag Method and device for correcting the predetermined disaggregation time of a spin-stabilized programmable projectile
WO2008098562A1 (fr) * 2007-02-12 2008-08-21 Krauss-Maffei Wegmann Gmbh & Co. Kg Procédé et dispositif de protection contre des éléments de munition d'attaque volants
DE102009011447A1 (de) * 2009-03-03 2010-09-30 Diehl Bgt Defence Gmbh & Co. Kg Verfahren zum Zünden eines Gefechtskopfs einer Granate und Fahrzeug
DE102009011447B4 (de) * 2009-03-03 2012-01-19 Diehl Bgt Defence Gmbh & Co. Kg Verfahren zum Zünden eines Gefechtskopfs einer Granate und Fahrzeug
DE102009011447B9 (de) * 2009-03-03 2012-08-16 Diehl Bgt Defence Gmbh & Co. Kg Verfahren zum Zünden eines Gefechtskopfs einer Granate und Fahrzeug
DE102011018248B3 (de) * 2011-04-19 2012-03-29 Rheinmetall Air Defence Ag Vorrichtung und Verfahren zur Programmierung eines Geschosses
WO2012143218A1 (fr) 2011-04-19 2012-10-26 Rheinmetall Air Defence Ag Dispositif et procédé de programmation d'un missile
DE102011106198B3 (de) * 2011-06-07 2012-03-15 Rheinmetall Air Defence Ag Verfahren zur Bestimmung der Mündungsaustrittsgeschwindigkeit eines Projektils
WO2012168190A1 (fr) 2011-06-07 2012-12-13 Rheinmetall Air Defence Ag Procédé de détermination de la vitesse à la bouche d'un projectile

Also Published As

Publication number Publication date
AU7172996A (en) 1997-10-23
TR199600951A1 (xx) 1997-11-21
AU716410B2 (en) 2000-02-24
JP3891618B2 (ja) 2007-03-14
CA2190385A1 (fr) 1997-10-20
US5814756A (en) 1998-09-29
DE59606026D1 (de) 2000-11-23
ZA969542B (en) 1997-06-17
NO311953B1 (no) 2002-02-18
KR970070941A (ko) 1997-11-07
SG83656A1 (en) 2001-10-16
NO964755D0 (no) 1996-11-08
JPH09280799A (ja) 1997-10-31
KR100436385B1 (ko) 2004-08-25
NO964755L (no) 1997-10-20
ATE197091T1 (de) 2000-11-15
CA2190385C (fr) 2003-05-20
EP0802392B1 (fr) 2000-10-18

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