JP2020505598A - Lidarシステムの監視装置 - Google Patents
Lidarシステムの監視装置 Download PDFInfo
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- JP2020505598A JP2020505598A JP2019538679A JP2019538679A JP2020505598A JP 2020505598 A JP2020505598 A JP 2020505598A JP 2019538679 A JP2019538679 A JP 2019538679A JP 2019538679 A JP2019538679 A JP 2019538679A JP 2020505598 A JP2020505598 A JP 2020505598A
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- 238000012544 monitoring process Methods 0.000 title description 7
- 238000012806 monitoring device Methods 0.000 claims abstract description 43
- 238000012360 testing method Methods 0.000 claims description 22
- 230000000630 rising effect Effects 0.000 claims description 12
- 238000000926 separation method Methods 0.000 claims description 6
- 230000001934 delay Effects 0.000 claims description 2
- 238000000034 method Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 5
- 241000282412 Homo Species 0.000 description 2
- 230000003111 delayed effect Effects 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 231100000040 eye damage Toxicity 0.000 description 1
- 230000002045 lasting effect Effects 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
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- 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
- G01S7/497—Means for monitoring or calibrating
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
- G01J1/00—Photometry, e.g. photographic exposure meter
- G01J1/42—Photometry, e.g. photographic exposure meter using electric radiation detectors
- G01J1/4257—Photometry, e.g. photographic exposure meter using electric radiation detectors applied to monitoring the characteristics of a beam, e.g. laser beam, headlamp beam
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
- G01J1/00—Photometry, e.g. photographic exposure meter
- G01J1/42—Photometry, e.g. photographic exposure meter using electric radiation detectors
- G01J1/44—Electric circuits
-
- 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
- G01S7/483—Details of pulse systems
- G01S7/484—Transmitters
-
- 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
- G01S7/483—Details of pulse systems
- G01S7/486—Receivers
- G01S7/4861—Circuits for detection, sampling, integration or read-out
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- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Computer Networks & Wireless Communication (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Optics & Photonics (AREA)
- Optical Radar Systems And Details Thereof (AREA)
Abstract
Description
Claims (10)
- LIDARシステム(2)の監視装置(1)において、
レーザ光を検出し、レーザ光から基準信号(100)を生成するための検出器(5)、および
基準信号(100)の振幅と制御信号(200)の振幅との間の差を最小にする制御ループ(6)を含む監視装置(1)。 - 請求項1に記載の監視装置(1)において、
前記制御ループ(6)が、前記基準信号(100)と前記制御信号(100)との間の差を決定するための比較器(7)と、該比較器(7)によって決定された差の関数として前記制御信号(200)を変更するための制御ユニット(8)を有する監視装置(1)。 - 請求項2に記載の監視装置(1)において、
前記制御ユニット(8)が、前記制御信号(200)を変化させることによって差を値ゼロに設定するように調整されている監視装置(1)。 - 請求項2または3に記載の監視装置(1)において、
前記制御ユニット(8)が、デジタル信号を出力するように構成されており、デジタル信号が、デジタル‐アナログ変換器(9)によって制御信号に変換可能である監視装置(1)。 - 請求項2から4のいずれか一項に記載の監視装置(1)において、
前記基準信号(100)の振幅と、前記制御信号(200)の半分の振幅との間の差を決定するための追加比較器(10)を備え、これにより、基準信号(100)のパルス幅を示すパルス幅信号(300)を決定する監視装置(1)。 - 請求項5に記載の監視装置(1)において、
前記パルス幅信号(300)のパルスがパルス幅推定ユニット(13)に印加される所定の時間単位の数をカウントし、所定の時間単位の数を示すBCDカウンタコード(500)を出力するパルス幅推定ユニット(13)を備え、
該パルス幅推定ユニット(13)が、直列に接続された複数のテストユニット(16)を有し、
それぞれテストユニット(16)が、所定の時間単位を待機した後にパルス幅推定ユニット(13)にパルスが印加されているかどうかについて2値信号を出力するように構成されており、
BCDカウンタコードが、テストユニット(16)の2値信号から構成されている監視装置(1)。 - 請求項6に記載の監視装置(1)において、
それぞれの前記計数ユニット(16)が、前記パルス幅信号(300)の立ち上がりエッジの存在を示す2値信号を所定の時間単位だけ遅延してDフリップフロップ(15)のデータ入力部に印加するために遅延素子を有し、パルス幅信号(300)の立ち下がりエッジの存在を示す2値信号が、Dフリップフロップ(15)のクロック入力部に遅延なしに印加されており、設けられている全てのDフリップフロップ(15)の出力部がBCDカウンタコード(500)を形成している監視装置(1)。 - 請求項1〜7のいずれか一項に記載の監視装置(1)において、
前記検出器(5)がレーザ光から特徴的な電流信号を生成するように構成されており、電流信号が、トランスインピーダンス変換器(12)によって前記基準信号(100)に変換可能である監視装置(1)。 - 請求項1〜8のいずれか一項に記載の監視装置(1)において、
前記検出器(5)が、ピンダイオードおよび/またはアバランシェフォトダイオードを含む監視装置(1)。 - LIDARシステム(2)において、
LIDARシステム(2)が、レーザ光源(3)、分離ユニット(4)、および請求項1〜9のいずれか一項に記載の監視装置(1)を含み、レーザ光が分離ユニット(4)を通って少なくとも部分的に監視装置(1)に伝送可能であるLIDARシステム(2)。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102017200803.2A DE102017200803A1 (de) | 2017-01-19 | 2017-01-19 | Überwachungsvorrichtung eines Lidarsystems |
DE102017200803.2 | 2017-01-19 | ||
PCT/EP2018/050340 WO2018134069A1 (de) | 2017-01-19 | 2018-01-08 | Überwachungsvorrichtung eines lidarsystems |
Publications (2)
Publication Number | Publication Date |
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JP2020505598A true JP2020505598A (ja) | 2020-02-20 |
JP6774573B2 JP6774573B2 (ja) | 2020-10-28 |
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Application Number | Title | Priority Date | Filing Date |
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JP2019538679A Active JP6774573B2 (ja) | 2017-01-19 | 2018-01-08 | Lidarシステムの監視装置 |
Country Status (6)
Country | Link |
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US (1) | US11415684B2 (ja) |
EP (1) | EP3571524B1 (ja) |
JP (1) | JP6774573B2 (ja) |
CN (1) | CN110199203B (ja) |
DE (1) | DE102017200803A1 (ja) |
WO (1) | WO2018134069A1 (ja) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
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DE102017200803A1 (de) | 2017-01-19 | 2018-07-19 | Robert Bosch Gmbh | Überwachungsvorrichtung eines Lidarsystems |
CN110501692A (zh) * | 2019-07-30 | 2019-11-26 | 炬佑智能科技(苏州)有限公司 | 一种发光装置及其发光驱动的预补偿方法 |
US11600966B2 (en) * | 2020-02-03 | 2023-03-07 | Analog Devices International Unlimited Company | Light source system |
US11644551B2 (en) * | 2020-03-30 | 2023-05-09 | Semiconductor Components Industries, Llc | Lidar systems with improved time-to-digital conversion circuitry |
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US5592033A (en) | 1993-12-16 | 1997-01-07 | Cooper Industries, Inc. | Photocell switching circuit |
US5923427A (en) * | 1997-07-10 | 1999-07-13 | Banner Engineering Corporation | Optical triangulation distance sensing system and method using a position sensitive detector and an automatic power controlled light source |
US6501539B2 (en) * | 2001-03-15 | 2002-12-31 | Asia Optical Co., Inc. | High precision laser range finder with an automatic peak control loop |
DE10143107A1 (de) * | 2001-09-03 | 2003-03-20 | Sick Ag | Optoelektronische Entfernungsmeßeinrichtung |
EP1414154A1 (en) | 2003-05-27 | 2004-04-28 | Siemens Aktiengesellschaft | Device for detecting the presence of an object |
DE10361870B4 (de) * | 2003-12-29 | 2006-05-04 | Faro Technologies Inc., Lake Mary | Laserscanner und Verfahren zum optischen Abtasten und Vermessen einer Umgebung des Laserscanners |
DE102004007580B4 (de) | 2004-02-17 | 2006-08-03 | Leuze Electronic Gmbh & Co Kg | Optoelektronische Vorrichtung |
DE102005054131A1 (de) * | 2005-11-14 | 2007-05-16 | Bosch Gmbh Robert | Entfernungsmessgerät und Verfahren zum Bestimmen einer Entfernung |
US7511800B2 (en) | 2005-11-28 | 2009-03-31 | Robert Bosch Company Limited | Distance measurement device with short range optics |
CN1804658B (zh) * | 2006-01-13 | 2010-06-02 | 中国科学院安徽光学精密机械研究所 | 便携式测风激光雷达多普勒校准方法 |
DE102007005187B4 (de) * | 2007-01-29 | 2008-11-20 | Gerd Reime | Verfahren und Vorrichtung zur Bestimmung einer Entfernung zu einem rückstrahlenden Objekt |
TWI400430B (zh) * | 2008-12-22 | 2013-07-01 | Asia Optical Co | 測距裝置及其控制方法 |
JP2014102072A (ja) * | 2011-03-08 | 2014-06-05 | National Univ Corp Shizuoka Univ | 距離測定用の信号処理回路および距離測定装置 |
EP2597483B8 (de) | 2011-11-25 | 2017-06-07 | Safran Vectronix AG | Entfernungsmesser |
DE102014211073A1 (de) | 2014-06-11 | 2015-12-17 | Robert Bosch Gmbh | Fahrzeug-Lidar-System |
EP2990826B1 (en) * | 2014-08-28 | 2022-11-02 | ams AG | Optical driver arrangement and method for generating a driver signal |
DE102017200803A1 (de) | 2017-01-19 | 2018-07-19 | Robert Bosch Gmbh | Überwachungsvorrichtung eines Lidarsystems |
-
2017
- 2017-01-19 DE DE102017200803.2A patent/DE102017200803A1/de active Pending
-
2018
- 2018-01-08 US US16/472,562 patent/US11415684B2/en active Active
- 2018-01-08 CN CN201880007764.XA patent/CN110199203B/zh active Active
- 2018-01-08 JP JP2019538679A patent/JP6774573B2/ja active Active
- 2018-01-08 EP EP18700473.4A patent/EP3571524B1/de active Active
- 2018-01-08 WO PCT/EP2018/050340 patent/WO2018134069A1/de unknown
Also Published As
Publication number | Publication date |
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WO2018134069A1 (de) | 2018-07-26 |
CN110199203A (zh) | 2019-09-03 |
US11415684B2 (en) | 2022-08-16 |
EP3571524B1 (de) | 2021-12-29 |
EP3571524A1 (de) | 2019-11-27 |
US20190317197A1 (en) | 2019-10-17 |
DE102017200803A1 (de) | 2018-07-19 |
CN110199203B (zh) | 2023-04-28 |
JP6774573B2 (ja) | 2020-10-28 |
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