WO1985001575A1 - Dispositif de localisation de cible - Google Patents

Dispositif de localisation de cible Download PDF

Info

Publication number
WO1985001575A1
WO1985001575A1 PCT/US1984/001462 US8401462W WO8501575A1 WO 1985001575 A1 WO1985001575 A1 WO 1985001575A1 US 8401462 W US8401462 W US 8401462W WO 8501575 A1 WO8501575 A1 WO 8501575A1
Authority
WO
WIPO (PCT)
Prior art keywords
target
planes
light
predetermined space
location
Prior art date
Application number
PCT/US1984/001462
Other languages
English (en)
Inventor
Max Donath
Jane F. Macfarlane
Original Assignee
Regents Of The University Of Minnesota
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 Regents Of The University Of Minnesota filed Critical Regents Of The University Of Minnesota
Publication of WO1985001575A1 publication Critical patent/WO1985001575A1/fr

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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
    • G01S5/00—Position-fixing by co-ordinating two or more direction or position line determinations; Position-fixing by co-ordinating two or more distance determinations
    • G01S5/16—Position-fixing by co-ordinating two or more direction or position line determinations; Position-fixing by co-ordinating two or more distance determinations using electromagnetic waves other than radio waves

Definitions

  • FIGURE 4 is an illustration of a person with target detectors attached to him walking through target space
  • FIGURE 11 is an illustration similar to FIGURE 10 showing angular scan between a target detector and a reference detector.
  • the signal from comparator 66 passes through lines 68 to counter and register array 70 shown in block form in greater detail in FIGURE 8.
  • the plurality of lines 68 illustrate that the signals from all reference detectors and target detectors are conditioned similarly for input to the counter and register array 70.
  • data passes through line 72 to computer 74.
  • computer 74 After reduction, an appropriate control signal may be sent to control mechanism for a robotic device or, as illustrated, the data may be sent through line 76 to a display 78. It is understood that use of the reduced data is merely illustrative and that a particular application of the present invention may result in uses other than display 78 or control of a robotic device.
  • the grid detector location at point (X gi , Y gi ) represents the intersection of lines B and D.
  • Line B represents the projection of the scanner plane projected from laser source L 2 in the XY plane after sweeping the angle and hitting the point (X gi , Y gi ).
  • Line D represents the same for laser source L 1 after sweeping through an angle ⁇ .
  • An equation can then be written representing line B with knowledge of two points on the line.
  • the first point is (X L2 , Y L2 ).
  • a second point may be determined by calculating a new point 100 on line B which represent point (0, 0) after being rotated by angle ⁇ .
  • the coordinates of point 100 are;
  • the methodology considers first the problem of locating the target with lasers L 1 and L 2 in the XY plane and second the problem of locating the Z coordinate of the target along the line identified by the first calculation.

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Length Measuring Devices By Optical Means (AREA)

Abstract

Dispositif de localisation de cible (10) et procédé de localisation d'une cible. Le dispositif (10) comprend une pluralité de sources laser (L1, L2, L3) qui font passer leurs faisceaux au travers d'éléments optiques de focalisation (27) et d'une lentille semi-cylindrique (28) servant à diffuser les faisceaux par plans lumineux (32). Les plans lumineux (32) sont réfléchis par l'une des faces (44) d'organes de balayage rotatifs (34) pour balayer les plans lumineux au travers d'un espace cible prédéterminé (12). Les plans lumineux sont mis en phase afin de balayer l'espace de manière sérielle. En tenant compte des emplacements connus de photodétecteurs de référence (22, 24) et des emplacements connus des sources apparentes des plans lumineux, le temps employé pour balayer un plan lumineux d'un détecteur de référence au détecteur de cible (42) et à l'autre détecteur de référence pour les trois plans lumineux est utilisé pour calculer l'emplacement de la cible. Le calcul superpose essentiellement les trois plans lumineux, qui sont tous non coplanaires avec l'espace cible (12) pour définir un point d'intersection au niveau de la cible.
PCT/US1984/001462 1983-09-30 1984-09-17 Dispositif de localisation de cible WO1985001575A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US53785183A 1983-09-30 1983-09-30
US537,851 1990-06-13

Publications (1)

Publication Number Publication Date
WO1985001575A1 true WO1985001575A1 (fr) 1985-04-11

Family

ID=24144376

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US1984/001462 WO1985001575A1 (fr) 1983-09-30 1984-09-17 Dispositif de localisation de cible

Country Status (2)

Country Link
EP (1) EP0156858A1 (fr)
WO (1) WO1985001575A1 (fr)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE1009883A3 (nl) * 1995-12-12 1997-10-07 Opstal Jan Frans Maria Van Werkwijze en inrichting voor het lokaliseren van voorwerpen en/of levende wezens in een ruimte.
WO2006134202A1 (fr) * 2005-06-17 2006-12-21 Iprbox Oy Systeme et procede laser
CN103604424A (zh) * 2010-06-28 2014-02-26 天宝导航有限公司 二维布局和点转换系统
EP2339296A3 (fr) * 2009-12-22 2016-07-27 General Electric Company Procédé permettant de déterminer une plage
CN111474519A (zh) * 2020-04-28 2020-07-31 广东博智林机器人有限公司 一种定位方法、装置、设备及存储介质

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3457646A (en) * 1966-08-29 1969-07-29 Atomic Energy Commission Laser beam operated x-y table
US3898445A (en) * 1972-11-30 1975-08-05 Univ Australian Digitizing device
SU601011A1 (ru) * 1976-05-25 1978-03-09 Всесоюзный Проектно-Технологический И Экспериментально-Конструкторский Институт По Спортивным И Туристским Изделиям Устройство дл регистрации координат движущегос объекта
US4123165A (en) * 1977-05-31 1978-10-31 The United States Of America As Represented By The Secretary Of The Army Attitude determination using two color, dual-sweeping laser system

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3457646A (en) * 1966-08-29 1969-07-29 Atomic Energy Commission Laser beam operated x-y table
US3898445A (en) * 1972-11-30 1975-08-05 Univ Australian Digitizing device
SU601011A1 (ru) * 1976-05-25 1978-03-09 Всесоюзный Проектно-Технологический И Экспериментально-Конструкторский Институт По Спортивным И Туристским Изделиям Устройство дл регистрации координат движущегос объекта
US4123165A (en) * 1977-05-31 1978-10-31 The United States Of America As Represented By The Secretary Of The Army Attitude determination using two color, dual-sweeping laser system

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
Biotelemetry, Vol I, issued 1974 H.J. WOLTRING, New Possibilities for Human Motion Studies by Real-Time Light spot Position Measurement, pages 132-146 *
The American Society of Mechanical Engineers, winter meeting 15-20 November 1981, L.M. SWEET, et al, Wide Field of View Lasser Beacon System for Three-Dimensional Aircraft Position Measurement, pages 1-9 *

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE1009883A3 (nl) * 1995-12-12 1997-10-07 Opstal Jan Frans Maria Van Werkwijze en inrichting voor het lokaliseren van voorwerpen en/of levende wezens in een ruimte.
WO2006134202A1 (fr) * 2005-06-17 2006-12-21 Iprbox Oy Systeme et procede laser
EP2339296A3 (fr) * 2009-12-22 2016-07-27 General Electric Company Procédé permettant de déterminer une plage
CN103604424A (zh) * 2010-06-28 2014-02-26 天宝导航有限公司 二维布局和点转换系统
CN111474519A (zh) * 2020-04-28 2020-07-31 广东博智林机器人有限公司 一种定位方法、装置、设备及存储介质

Also Published As

Publication number Publication date
EP0156858A1 (fr) 1985-10-09

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