EP1117587B1 - Procede de defense anti-torpille - Google Patents

Procede de defense anti-torpille Download PDF

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Publication number
EP1117587B1
EP1117587B1 EP00940415A EP00940415A EP1117587B1 EP 1117587 B1 EP1117587 B1 EP 1117587B1 EP 00940415 A EP00940415 A EP 00940415A EP 00940415 A EP00940415 A EP 00940415A EP 1117587 B1 EP1117587 B1 EP 1117587B1
Authority
EP
European Patent Office
Prior art keywords
torpedo
sonar
ship
towed
distance
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
Application number
EP00940415A
Other languages
German (de)
English (en)
Other versions
EP1117587A1 (fr
Inventor
Hanns-Wilhelm Leuschner
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.)
Atlas Elektronik GmbH
Original Assignee
Atlas Elektronik GmbH
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
Application filed by Atlas Elektronik GmbH filed Critical Atlas Elektronik GmbH
Priority to DK00940415T priority Critical patent/DK1117587T3/da
Publication of EP1117587A1 publication Critical patent/EP1117587A1/fr
Application granted granted Critical
Publication of EP1117587B1 publication Critical patent/EP1117587B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63G—OFFENSIVE OR DEFENSIVE ARRANGEMENTS ON VESSELS; MINE-LAYING; MINE-SWEEPING; SUBMARINES; AIRCRAFT CARRIERS
    • B63G9/00—Other offensive or defensive arrangements on vessels against submarines, torpedoes, or mines
    • B63G9/02—Means for protecting vessels against torpedo attack

Definitions

  • the invention relates to a method for repelling a Ship attacking torpedoes from the attacked ship in which the torpedo using a ship-based sonar device, which is all around with a aft gap, on-board active sonar and a towed sonar towed away from the ship located, and by means of at least one of the ship deductible Abwehr binors is fought.
  • Torpedoes are typically capable of a surface ship attack all directions. So run modern, very strong Torpedoes the ship usually from a previous, older or kielwasserhomende loud torpedoes the ship from one aft sector. For early detection of the incoming Torpedoes is therefore an all-round view of the sonar device required to capture the silent torpedoes, active must be located.
  • Known on-board active sonars the Usually installed in the bow of the ship or at the bow as Hull Mounted Sonars (HMS) Due to the position and due to the screw noise of the Ship an imperfect all-round view with one more or less major aft gap. This aft sector of the ship is blind to incoming Torpedoes.
  • HMS Hull Mounted Sonars
  • a known aft detonator defense system (US-A-5 373 773) uses a pair of passive sonar detectors that are used in the Distance one behind the other in tandem from the ship towed become.
  • the sonar detectors detect the presence of Torpedoes and provide data for the calculation of the bearing and Removal of the torpedo. Becomes an attacking torpedo detected, a torpedo alarm is triggered. Out Distance and bearing of the torpedo will be the most likely career of the torpedo predicts, so that an order to intercept the attacking torpedo and to destroy at a scheduled position can.
  • an object (DE 35 19 269 C2) is using a large-area sensor array, by a Underwater vehicle towed or at its sides is attached, purely passive the distance of the object from Eigehschiff and the speed component of the object determined perpendicular to the object distance. This is the Object is targeted and at least one emitted by the object measure significant frequency over time. From the Peil change rate and the Frequency change rate will be the distance to the Object calculated.
  • the invention has for its object to provide a method for Torpedo defense of the type mentioned so to improve that with little technical effort for the towed sonar a reliable protection against from aft direction attacking torpedoes that may still be noisy to the is reached.
  • the inventive method has the advantage that by the passive bearing and passive extraction of a Distance information to the torpedo everyone, even a very loud, aft approaching torpedo reliably measured and the Use of the rejection vectors, which are fast but one have limited range, can be optimized.
  • the towed sonar needs only as a short passive Towed antenna to be executed, since they are only a relative low, by the gap angle and the following error of the Towed antenna of ship have specified range got to.
  • this inexpensive towed antenna is the blind Sector of the on-board active sonar completely covered, so that a gapless all-round view of the sonar device and so that a complete protection against torpedoes is given.
  • a Such a short towed antenna can also be effortlessly and without great effort to bring in and deploy.
  • the invention is based on one in the drawing illustrated embodiment in the following described.
  • the drawing shows in more schematic Representation of a plan view of a sonar device torpedo defense equipped overwater ship.
  • a protection against torpedoes with deflectors equipped overwater vessel 10 has a sonar device on, in addition to locating targets for detection and location serves by the ship attacking torpedoes.
  • the Sonar device includes an installed on board (on-board) Active Sonar 11 and one in the water retracted towed sonar 12.
  • Towing antenna 13 consists of the ship 10 in one Following error s is trailed.
  • the towed antenna 13 is attached to a tow 14.
  • At the free end of the Towing antenna 13 can still attached a tow brake 15 be that for an improved straightforward alignment of the Towing antenna 13 provides.
  • the equipped with the sonar device described above waterway 10 thus has an all-round protection against attacking torpedoes that reliably detected regardless of their configuration and attack direction and located and actively combated by discontinuation of Abvid syntheticen.
  • a torpedo which starts in the surveillance sector of the active sonar 11 is measured with high precision by the active sonar 11, so that its position is known at any point in time of the torpedo run.
  • the incoming, often very loud torpedoes are also detected and located.
  • the approaching torpedo 16 is acoustically passive in a known manner.
  • the bearing angle is indicated by ⁇ T.
  • the frequency f T of at least one significant spectral line radiated by the torpedo 16 is measured over time (f T (t)).
  • the distance a T to the torpedo 16 is calculated from the Peilwinkelauswandungs Anlagen d ⁇ T / dt, the frequency f T and the rate of change df T / dt the frequency f T in a known manner.
  • the torpedo distance a T is given by the following equation: whose derivation is explained in detail in DE 35 19 269 C2.
  • the detection range R of the towed antenna 13 can be relative be kept small, so that for the towed antenna 13 a only relatively little technical effort is required.
  • the minimum range of the towed antenna 13 corresponds to that with the sine of half the angle ⁇ of the aft gap of the active sonar 11 multiplied lag distance s of Schleppsonars 12 from the ship 10, so s • sin ⁇ / 2.
  • the range R of the towing ton 12 chosen slightly larger than this minimum range.

Landscapes

  • Engineering & Computer Science (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
  • Radar Systems Or Details Thereof (AREA)
  • Measurement Of Optical Distance (AREA)
  • Developing Agents For Electrophotography (AREA)
  • Magnetic Heads (AREA)
  • Superconductors And Manufacturing Methods Therefor (AREA)
  • Colloid Chemistry (AREA)
  • Compositions Of Macromolecular Compounds (AREA)

Claims (2)

  1. Procédé de défense d'un bâtiment (10) contre une torpille (16) qui attaque le bâtiment (10), dans lequel la torpille (16) est localisée en recourant à un dispositif de sonar embarqué sur le bâtiment et qui présente un sonar actif (11) embarqué qui assure une localisation avec une brèche arrière, et un sonar remorqué (12) qui est remorqué par le bâtiment (10) à une certaine distance, et est attaquée à l'aide d'au moins un dispositif de défense qui peut être lancé du bâtiment (10), caractérisé en ce que le gisement d'une torpille (16) qui attaque le bâtiment (10) dans sa zone arrière est déterminé passivement par le sonar remorqué (12), la fréquence fT d'au moins une ligne spectrale significative émise par la torpille (16) étant mesurée en fonction du temps, en ce qu'à partir de la vitesse de modification de l'angle de gisement (dϕT/dt), de la fréquence fT de la ligne spectrale mesurée et de sa vitesse de modification (dfT/dt), la distance aT de la torpille (16) est calculée en permanence de manière connue, et en cas de constatation que la distance aT de la torpille est couverte par la portée du dispositif de défense, le lancement du dispositif de défense est déclenché.
  2. Procédé selon la revendication 1, caractérisé en ce que la portée de localisation du sonar remorqué (12) est sélectionnée de manière à être légèrement plus grande que la distance de remorquage (s) du sonar remorqué (12) par rapport au bâtiment (10) multipliée par le sinus de la moitié de l'angle (α) de la brèche arrière du sonar actif (11).
EP00940415A 1999-07-28 2000-06-30 Procede de defense anti-torpille Expired - Lifetime EP1117587B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DK00940415T DK1117587T3 (da) 1999-07-28 2000-06-30 Fremgangsmåde til bestemmelse af måleafstanden

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE19935436A DE19935436B4 (de) 1999-07-28 1999-07-28 Verfahren zur Torpedoabwehr
DE19935436 1999-07-28
PCT/EP2000/006101 WO2001008970A1 (fr) 1999-07-28 2000-06-30 Procede de defense anti-torpille

Publications (2)

Publication Number Publication Date
EP1117587A1 EP1117587A1 (fr) 2001-07-25
EP1117587B1 true EP1117587B1 (fr) 2004-10-27

Family

ID=7916350

Family Applications (1)

Application Number Title Priority Date Filing Date
EP00940415A Expired - Lifetime EP1117587B1 (fr) 1999-07-28 2000-06-30 Procede de defense anti-torpille

Country Status (6)

Country Link
EP (1) EP1117587B1 (fr)
AT (1) ATE280708T1 (fr)
AU (1) AU5535600A (fr)
DE (2) DE19935436B4 (fr)
DK (1) DK1117587T3 (fr)
WO (1) WO2001008970A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102005058559B3 (de) * 2005-12-08 2006-12-14 Atlas Elektronik Gmbh Verfahren zur Erzeugung einer Gefahrenwarnung vor einem angreifenden Torpedo

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10228681C1 (de) * 2002-06-27 2003-07-03 Stn Atlas Elektronik Gmbh Verfahren zum Detektieren von luftverbrachten Unterwasserlaufkörpern
DE102016109105A1 (de) * 2016-05-18 2017-11-23 Atlas Elektronik Gmbh Wasserfahrzeug zum Orten eines Unterwasserobjektes
RU2654435C1 (ru) * 2017-01-23 2018-05-17 Федеральное государственное унитарное предприятие "Крыловский государственный научный центр" Подводный аппарат-охотник

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5373773A (en) * 1981-08-06 1994-12-20 The United States Of American As Represented By The Secretary Of The Navy Anti-torpedo stern defense system
DE3519269C2 (de) * 1985-05-30 1993-12-02 Nord Systemtechnik Verfahren zur Ermittlung von Fahrtzustandsdaten eines Objektes

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102005058559B3 (de) * 2005-12-08 2006-12-14 Atlas Elektronik Gmbh Verfahren zur Erzeugung einer Gefahrenwarnung vor einem angreifenden Torpedo
WO2007065535A1 (fr) * 2005-12-08 2007-06-14 Atlas Elektronik Gmbh Procede de creation d'un avertissement de danger en cas d'attaque par torpille

Also Published As

Publication number Publication date
DK1117587T3 (da) 2005-01-10
DE19935436A1 (de) 2001-02-08
ATE280708T1 (de) 2004-11-15
AU5535600A (en) 2001-02-19
WO2001008970A1 (fr) 2001-02-08
DE50008407D1 (de) 2004-12-02
DE19935436B4 (de) 2005-11-10
EP1117587A1 (fr) 2001-07-25

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