CA2049578A1 - Collision avoidance system - Google Patents

Collision avoidance system

Info

Publication number
CA2049578A1
CA2049578A1 CA2049578A CA2049578A CA2049578A1 CA 2049578 A1 CA2049578 A1 CA 2049578A1 CA 2049578 A CA2049578 A CA 2049578A CA 2049578 A CA2049578 A CA 2049578A CA 2049578 A1 CA2049578 A1 CA 2049578A1
Authority
CA
Canada
Prior art keywords
target
collision avoidance
avoidance system
acceleration
angle
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
CA2049578A
Other languages
French (fr)
Other versions
CA2049578C (en
Inventor
William H. Taylor
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.)
Kollmorgen Corp
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to CA002296837A priority Critical patent/CA2296837A1/en
Publication of CA2049578A1 publication Critical patent/CA2049578A1/en
Application granted granted Critical
Publication of CA2049578C publication Critical patent/CA2049578C/en
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • G01S7/4817—Constructional features, e.g. arrangements of optical elements relating to scanning

Abstract

A collision avoidance system particularly suited for automotive applications includes an electro-optical rangefinder scanner, retroreflectors on target vehicles, and a processing unit. The rangefinder supplies data on the range and angle of target vehicles to the processor, which monitors each target vehicle's position, speed and acceleration and constantly determines and updates target range, angle, velocity, acceleration and predicted separation distances. A warning signal or evasive manuever instructions are issued if the predicted separation at the time of intercept is below a minimum acceptable value.
CA002049578A 1990-08-22 1991-08-19 Collision avoidance system Expired - Fee Related CA2049578C (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CA002296837A CA2296837A1 (en) 1990-08-22 1991-08-19 Collision avoidance system

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US571,131 1990-08-22
US07/571,131 US5249157A (en) 1990-08-22 1990-08-22 Collision avoidance system

Related Child Applications (1)

Application Number Title Priority Date Filing Date
CA002296837A Division CA2296837A1 (en) 1990-08-22 1991-08-19 Collision avoidance system

Publications (2)

Publication Number Publication Date
CA2049578A1 true CA2049578A1 (en) 1992-02-23
CA2049578C CA2049578C (en) 2000-06-06

Family

ID=24282440

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002049578A Expired - Fee Related CA2049578C (en) 1990-08-22 1991-08-19 Collision avoidance system

Country Status (9)

Country Link
US (1) US5249157A (en)
EP (1) EP0473866B1 (en)
JP (1) JP2598347B2 (en)
AU (1) AU658779B2 (en)
CA (1) CA2049578C (en)
DE (1) DE69132189T2 (en)
GB (2) GB2248003B (en)
IL (1) IL97339A (en)
ZA (1) ZA916227B (en)

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US10683171B2 (en) 2016-09-30 2020-06-16 Staples, Inc. Hybrid modular storage fetching system
US10803420B2 (en) 2016-09-30 2020-10-13 Staples, Inc. Hybrid modular storage fetching system
CN112445225A (en) * 2019-08-29 2021-03-05 罗克韦尔自动化技术公司 Collision avoidance system, method of automatic collision avoidance, and non-transitory computer readable medium
US11084410B1 (en) 2018-08-07 2021-08-10 Staples, Inc. Automated guided vehicle for transporting shelving units
US11119487B2 (en) 2018-12-31 2021-09-14 Staples, Inc. Automated preparation of deliveries in delivery vehicles using automated guided vehicles
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US11590997B1 (en) 2018-08-07 2023-02-28 Staples, Inc. Autonomous shopping cart
US11630447B1 (en) 2018-08-10 2023-04-18 Staples, Inc. Automated guided vehicle for transporting objects

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