CA2085847A1 - Autonomous precision weapon delivery using synthetic array radar - Google Patents

Autonomous precision weapon delivery using synthetic array radar

Info

Publication number
CA2085847A1
CA2085847A1 CA2085847A CA2085847A CA2085847A1 CA 2085847 A1 CA2085847 A1 CA 2085847A1 CA 2085847 A CA2085847 A CA 2085847A CA 2085847 A CA2085847 A CA 2085847A CA 2085847 A1 CA2085847 A1 CA 2085847A1
Authority
CA
Canada
Prior art keywords
weapon
flight path
platform
measurements
optimum
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
CA2085847A
Other languages
French (fr)
Other versions
CA2085847C (en
Inventor
Michael V. Nowakowski
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.)
Raytheon Co
Original Assignee
Michael V. Nowakowski
Hughes Aircraft Company
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 Michael V. Nowakowski, Hughes Aircraft Company filed Critical Michael V. Nowakowski
Publication of CA2085847A1 publication Critical patent/CA2085847A1/en
Application granted granted Critical
Publication of CA2085847C publication Critical patent/CA2085847C/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S13/00—Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F41—WEAPONS
    • F41G—WEAPON SIGHTS; AIMING
    • F41G7/00—Direction control systems for self-propelled missiles
    • F41G7/007—Preparatory measures taken before the launching of the guided missiles
    • 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
    • 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
    • F41G7/36—Direction control systems for self-propelled missiles based on predetermined target position data using inertial references

Abstract

A system and method that uses differential computation of position relative to aglobal positioning system (GPS) coordinate system and the computation of an optimum weapon flight path to guide a weapon to a non-moving fixed or relocatable target. The system comprises an airborne platform that uses a navigation subsystem that utilizes the GPS satellite system to provide the coordinate system and a synthetic array radar (SAR) to locate desirable targets. Targeting is done prior to weapon launch, the weapon there-fore requires only a navigation subsystem that also utilizes the GPS satellite system to provide the same coordinate system that the platform used, a warhead and a propulsion system (for powered weapons only). This results in a very inexpensive weapon with a launch and leave (autonomous) capability. The computational procedure used in the platform uses several radar measurements spaced many degrees apart. The accuracy is increased if more measurements are made. The computational algorithm uses the radar measurements to determine the point in a plane where the target is thought to be and the optimum flight path through that point. The weapon is flown along the optimum flight path and the impact with the ground results in a very good CEP when a sufficientnumber of radar measurements are made. The present invention provides fully autono-mous, all-weather, high precision weapon delivery while achieving a relatively low cost. High precision weapon guidance is provided by the unique differential guidance technique (if a sufficiently accurate and stable navigation system is used).
CA002085847A 1991-12-19 1992-12-18 Autonomous precision weapon delivery using synthetic array radar Expired - Lifetime CA2085847C (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US810,630 1991-12-19
US07/810,630 US5260709A (en) 1991-12-19 1991-12-19 Autonomous precision weapon delivery using synthetic array radar

Publications (2)

Publication Number Publication Date
CA2085847A1 true CA2085847A1 (en) 1993-06-20
CA2085847C CA2085847C (en) 1996-12-03

Family

ID=25204290

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002085847A Expired - Lifetime CA2085847C (en) 1991-12-19 1992-12-18 Autonomous precision weapon delivery using synthetic array radar

Country Status (9)

Country Link
US (1) US5260709A (en)
EP (1) EP0547637B1 (en)
JP (1) JP2525539B2 (en)
KR (1) KR960014821B1 (en)
AU (1) AU640091B1 (en)
CA (1) CA2085847C (en)
DE (1) DE69218143T2 (en)
ES (1) ES2098433T3 (en)
IL (1) IL104181A (en)

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Also Published As

Publication number Publication date
US5260709A (en) 1993-11-09
CA2085847C (en) 1996-12-03
JPH0688698A (en) 1994-03-29
EP0547637B1 (en) 1997-03-12
KR960014821B1 (en) 1996-10-21
AU640091B1 (en) 1993-08-12
KR930013756A (en) 1993-07-22
JP2525539B2 (en) 1996-08-21
DE69218143D1 (en) 1997-04-17
ES2098433T3 (en) 1997-05-01
IL104181A (en) 1995-12-31
EP0547637A1 (en) 1993-06-23
DE69218143T2 (en) 1997-10-09

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Effective date: 20121218