GB2323492B - Laser obstacle detection method and sensor - Google Patents

Laser obstacle detection method and sensor

Info

Publication number
GB2323492B
GB2323492B GB9812047A GB9812047A GB2323492B GB 2323492 B GB2323492 B GB 2323492B GB 9812047 A GB9812047 A GB 9812047A GB 9812047 A GB9812047 A GB 9812047A GB 2323492 B GB2323492 B GB 2323492B
Authority
GB
United Kingdom
Prior art keywords
sensor
detection method
obstacle detection
laser obstacle
laser
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
GB9812047A
Other versions
GB9812047D0 (en
GB2323492A (en
Inventor
Koji Oka
Masujiro Histani
Hiroshi Imajo
Toru Takehara
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.)
Mitsui Engineering and Shipbuilding Co Ltd
Original Assignee
Mitsui Engineering and Shipbuilding Co Ltd
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
Priority claimed from JP8182814A external-priority patent/JPH1010233A/en
Application filed by Mitsui Engineering and Shipbuilding Co Ltd filed Critical Mitsui Engineering and Shipbuilding Co Ltd
Publication of GB9812047D0 publication Critical patent/GB9812047D0/en
Publication of GB2323492A publication Critical patent/GB2323492A/en
Application granted granted Critical
Publication of GB2323492B publication Critical patent/GB2323492B/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
    • G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
    • G01S7/48—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S17/00
    • G01S7/481—Constructional features, e.g. arrangements of optical elements
    • G01S7/4811—Constructional features, e.g. arrangements of optical elements common to transmitter and receiver
    • 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
    • G01S17/00—Systems using the reflection or reradiation of electromagnetic waves other than radio waves, e.g. lidar systems
    • G01S17/88—Lidar systems specially adapted for specific applications
    • G01S17/93—Lidar systems specially adapted for specific applications for anti-collision purposes
    • G01S17/931—Lidar systems specially adapted for specific applications for anti-collision purposes of land vehicles
    • 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
    • G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
    • G01S7/48—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S17/00
    • G01S7/481—Constructional features, e.g. arrangements of optical elements
    • G01S7/4816—Constructional features, e.g. arrangements of optical elements of receivers alone
    • 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
    • G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
    • G01S7/48—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S17/00
    • G01S7/481—Constructional features, e.g. arrangements of optical elements
    • G01S7/4817—Constructional features, e.g. arrangements of optical elements relating to scanning
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B26/00—Optical devices or arrangements for the control of light using movable or deformable optical elements
    • G02B26/08—Optical devices or arrangements for the control of light using movable or deformable optical elements for controlling the direction of light
    • G02B26/10—Scanning systems
    • G02B26/105—Scanning systems with one or more pivoting mirrors or galvano-mirrors
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
    • G05D1/00—Control of position, course, altitude or attitude of land, water, air or space vehicles, e.g. using automatic pilots
    • G05D1/02—Control of position or course in two dimensions
    • G05D1/021—Control of position or course in two dimensions specially adapted to land vehicles
    • G05D1/0231—Control of position or course in two dimensions specially adapted to land vehicles using optical position detecting means
    • G05D1/0238—Control of position or course in two dimensions specially adapted to land vehicles using optical position detecting means using obstacle or wall sensors
    • G05D1/024—Control of position or course in two dimensions specially adapted to land vehicles using optical position detecting means using obstacle or wall sensors in combination with a laser
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
    • G05D1/00—Control of position, course, altitude or attitude of land, water, air or space vehicles, e.g. using automatic pilots
    • G05D1/02—Control of position or course in two dimensions
    • G05D1/021—Control of position or course in two dimensions specially adapted to land vehicles
    • G05D1/0268—Control of position or course in two dimensions specially adapted to land vehicles using internal positioning means
    • G05D1/0272—Control of position or course in two dimensions specially adapted to land vehicles using internal positioning means comprising means for registering the travel distance, e.g. revolutions of wheels
    • 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
    • G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
    • G01S7/48—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S17/00
    • G01S7/481—Constructional features, e.g. arrangements of optical elements
    • G01S7/4811—Constructional features, e.g. arrangements of optical elements common to transmitter and receiver
    • G01S7/4813—Housing arrangements

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Optics & Photonics (AREA)
  • Electromagnetism (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Automation & Control Theory (AREA)
  • Optical Radar Systems And Details Thereof (AREA)
GB9812047A 1996-06-24 1997-02-12 Laser obstacle detection method and sensor Expired - Lifetime GB2323492B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP8182814A JPH1010233A (en) 1996-06-24 1996-06-24 Method for laser obstruction detection and sensor therefor
GB9702884A GB2314717B (en) 1996-06-24 1997-02-12 Laser obstacle detection method and sensor

Publications (3)

Publication Number Publication Date
GB9812047D0 GB9812047D0 (en) 1998-07-29
GB2323492A GB2323492A (en) 1998-09-23
GB2323492B true GB2323492B (en) 1999-03-31

Family

ID=26310977

Family Applications (2)

Application Number Title Priority Date Filing Date
GB9812046A Expired - Lifetime GB2323491B (en) 1996-06-24 1997-02-12 Laser obstacle detection method and sensor
GB9812047A Expired - Lifetime GB2323492B (en) 1996-06-24 1997-02-12 Laser obstacle detection method and sensor

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GB9812046A Expired - Lifetime GB2323491B (en) 1996-06-24 1997-02-12 Laser obstacle detection method and sensor

Country Status (1)

Country Link
GB (2) GB2323491B (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101551520B (en) * 2009-05-14 2010-12-29 上海英雷红外水份系统科技有限公司 Active type rotary flat mirror scanner
US11408984B2 (en) 2019-05-08 2022-08-09 Ford Global Technologies, Llc Sensor-drainage apparatus
CN111141744B (en) * 2019-12-31 2023-01-31 广州维思车用部件有限公司 Lens detection device
US11460546B2 (en) 2020-03-09 2022-10-04 Ford Global Technologies, Llc Sensor-drainage apparatus

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2276997A (en) * 1993-04-08 1994-10-12 Kollmorgen Corp Scanning rangefinder

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1111629A (en) * 1966-09-13 1968-05-01 Chevron Res Method for mapping salt domes at depth
US3813140A (en) * 1971-12-13 1974-05-28 Bendix Corp Rotating prism scanning system having range compensation
US3840293A (en) * 1972-07-21 1974-10-08 Gen Electric Electronically driven spiral scan synchronous transmit-receiver laser system
JPS5596475A (en) * 1979-01-19 1980-07-22 Nissan Motor Co Ltd Obstacle detector for vehicle
US4627734A (en) * 1983-06-30 1986-12-09 Canadian Patents And Development Limited Three dimensional imaging method and device
DE3640449C1 (en) * 1986-11-27 1988-06-30 Messerschmitt Boelkow Blohm Device for determining the distance between two objects, in particular two motor vehicles
US4916536A (en) * 1988-11-07 1990-04-10 Flir Systems, Inc. Imaging range finder and method
US5291261A (en) * 1990-02-06 1994-03-01 Motorola, Inc. Optical object detection system incorporating fiber optic coupling
US5006721A (en) * 1990-03-23 1991-04-09 Perceptron, Inc. Lidar scanning system
DE4301228C1 (en) * 1993-01-19 1994-04-21 Daimler Benz Ag Procedure for determining visibility

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2276997A (en) * 1993-04-08 1994-10-12 Kollmorgen Corp Scanning rangefinder

Also Published As

Publication number Publication date
GB9812047D0 (en) 1998-07-29
GB2323491A (en) 1998-09-23
GB2323491B (en) 1999-03-31
GB2323492A (en) 1998-09-23
GB9812046D0 (en) 1998-07-29

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Legal Events

Date Code Title Description
PE20 Patent expired after termination of 20 years

Expiry date: 20170211