JP2018054530A - 測定装置及び測定方法 - Google Patents
測定装置及び測定方法 Download PDFInfo
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- JP2018054530A JP2018054530A JP2016192895A JP2016192895A JP2018054530A JP 2018054530 A JP2018054530 A JP 2018054530A JP 2016192895 A JP2016192895 A JP 2016192895A JP 2016192895 A JP2016192895 A JP 2016192895A JP 2018054530 A JP2018054530 A JP 2018054530A
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- 238000005259 measurement Methods 0.000 title claims abstract description 227
- 238000000691 measurement method Methods 0.000 title claims abstract 3
- 230000003287 optical effect Effects 0.000 claims abstract description 190
- 238000001514 detection method Methods 0.000 claims abstract description 75
- 238000003384 imaging method Methods 0.000 claims description 22
- 230000036544 posture Effects 0.000 description 37
- 238000012937 correction Methods 0.000 description 14
- 238000000034 method Methods 0.000 description 13
- 230000008859 change Effects 0.000 description 11
- 238000012545 processing Methods 0.000 description 9
- 230000004043 responsiveness Effects 0.000 description 7
- 230000007246 mechanism Effects 0.000 description 5
- 238000012986 modification Methods 0.000 description 4
- 230000004048 modification Effects 0.000 description 4
- 238000012805 post-processing Methods 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000013459 approach Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000009466 transformation Effects 0.000 description 2
- 125000002066 L-histidyl group Chemical group [H]N1C([H])=NC(C([H])([H])[C@](C(=O)[*])([H])N([H])[H])=C1[H] 0.000 description 1
- 230000001133 acceleration Effects 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009499 grossing Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 239000005304 optical glass Substances 0.000 description 1
- 230000010363 phase shift Effects 0.000 description 1
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Classifications
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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
- G01S7/481—Constructional features, e.g. arrangements of optical elements
- G01S7/4817—Constructional features, e.g. arrangements of optical elements relating to scanning
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B11/00—Measuring arrangements characterised by the use of optical techniques
- G01B11/24—Measuring arrangements characterised by the use of optical techniques for measuring contours or curvatures
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B21/00—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant
- G01B21/02—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring length, width, or thickness
- G01B21/04—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring length, width, or thickness by measuring coordinates of points
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B21/00—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant
- G01B21/22—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring angles or tapers; for testing the alignment of axes
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C1/00—Measuring angles
- G01C1/02—Theodolites
- G01C1/04—Theodolites combined with cameras
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C15/00—Surveying instruments or accessories not provided for in groups G01C1/00 - G01C13/00
- G01C15/002—Active optical surveying means
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C3/00—Measuring distances in line of sight; Optical rangefinders
- G01C3/02—Details
- G01C3/06—Use of electric means to obtain final indication
- G01C3/08—Use of electric radiation detectors
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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
- G01S17/00—Systems using the reflection or reradiation of electromagnetic waves other than radio waves, e.g. lidar systems
- G01S17/86—Combinations of lidar systems with systems other than lidar, radar or sonar, e.g. with direction finders
-
- 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
- G01S17/89—Lidar systems specially adapted for specific applications for mapping or imaging
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- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Electromagnetism (AREA)
- Length Measuring Devices By Optical Means (AREA)
Abstract
Description
2 測距光射出部
4 測距部
5 撮像部
6 射出方向検出部
8 姿勢検出装置
9 演算制御部
13 射出光軸
22 楔プリズム
25 モータ
48 測定対象面
49 軌跡
56 光軸偏向部
58 偏向角調整モータ
61a,61b 光学プリズム
66a,66b モータ
Claims (8)
- 測距光を射出する測距光射出部と、反射測距光を受光して測距を行う測距部と、前記測距光、前記反射測距光の共通光路に設けられ、前記測距光、前記反射測距光の光軸を同一の偏角、同一の方向で偏向する光軸偏向部と、該光軸偏向部を前記測距光の射出光軸を中心に回転させるモータと、該光軸偏向部による偏角、偏向方向を検出する射出方向検出部と、演算制御部とを具備し、前記測距光は前記光軸偏向部の回転により測定対象面に円状に走査され、前記演算制御部は、前記測定対象面上で取得された座標データに基づき該測定対象面の前記射出光軸に対する傾斜を測定する測定装置。
- 前記光軸偏向部は、楔プリズムと、該楔プリズムを前記射出光軸と直交する軸心を中心に傾動させる偏向角調整モータとを具備し、該偏向角調整モータの駆動により測距光の偏角を変更可能とした請求項1に記載の測定装置。
- 前記光軸偏向部は、独立して回転可能な重なり合う一対の円形の光学プリズムで構成され、各光学プリズムは中心部に形成され、前記測距光を所要の偏角、所要の方向で偏向する測距光軸偏向部と、外周部に形成され、該測距光軸偏向部と同一の偏角、方向で前記反射測距光を偏向する反射測距光軸偏向部とを有し、前記演算制御部は前記光学プリズムを一体に等速回転させる請求項1に記載の測定装置。
- 水平又は鉛直に対する傾斜角、傾斜方向を検出可能な姿勢検出装置を更に具備し、前記座標データ及び姿勢検出結果に基づき前記測定対象面の水平又は鉛直に対する傾斜を測定する請求項1〜請求項3のうちいずれか1項に記載の測定装置。
- 前記演算制御部は、前記モータを所定速度で回転し、所定時間間隔毎に該モータの目標回転角と実際の回転角との差分を演算し、該差分を基に前記モータの目標回転速度を修正し、修正した目標回転速度と実際の回転速度を基に前記モータを制御する請求項1〜請求項4のうちいずれか1項に記載の測定装置。
- 前記射出光軸と平行で既知の距離にある撮像光軸を有する撮像部を更に具備する請求項1〜請求項5のうちいずれか1項に記載の測定装置。
- 測距光を光軸偏向部により偏向させて射出させる工程と、前記光軸偏向部を前記測距光の射出光軸を中心に回転させ、測定対象面を円状に走査させる工程と、該測定対象面上で取得された座標データに基づき正弦曲線を求め、該正弦曲線の振幅、位相に基づき前記測定対象面の前記射出光軸に対する傾斜を測定する工程とを有する測定方法。
- 前記正弦曲線をフーリエ変換し、前記光軸偏向部の回転速度と一致する周波数成分の振幅、位相に基づき前記測定対象面の前記射出光軸に対する傾斜を測定する請求項7に記載の測定方法。
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JP2016192895A JP6807628B2 (ja) | 2016-09-30 | 2016-09-30 | 測定装置及び測定方法 |
US15/713,841 US10564265B2 (en) | 2016-09-30 | 2017-09-25 | Measurement device and measurement method |
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JP2016192895A JP6807628B2 (ja) | 2016-09-30 | 2016-09-30 | 測定装置及び測定方法 |
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JP2018054530A true JP2018054530A (ja) | 2018-04-05 |
JP6807628B2 JP6807628B2 (ja) | 2021-01-06 |
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Cited By (1)
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---|---|---|---|---|
JP2020067405A (ja) * | 2018-10-25 | 2020-04-30 | 株式会社トプコン | 測量装置 |
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JP6877946B2 (ja) * | 2016-10-17 | 2021-05-26 | 株式会社トプコン | レーザスキャナ |
DE102018206676B4 (de) * | 2018-04-30 | 2021-11-04 | Deutsche Bahn Aktiengesellschaft | Verfahren zur Interaktion einer Zeigevorrichtung mit einem auf einer Projektionsfläche eines virtuellen Desktops angeordneten Zielpunkts |
US11598981B2 (en) * | 2018-06-04 | 2023-03-07 | Mrl Materials Resources Llc | Analyzing microtextured regions of optically anisotropic materials |
WO2020142936A1 (zh) * | 2019-01-09 | 2020-07-16 | 深圳市大疆创新科技有限公司 | 测距装置及其扫描机构、控制方法、可移动平台 |
WO2022216594A1 (en) * | 2021-04-05 | 2022-10-13 | Milwaukee Electric Tool Corporation | Laser level system |
CN114757917B (zh) * | 2022-04-08 | 2024-04-16 | 湘潭大学 | 一种高精度的轴偏移、偏转测量及其修正方法 |
CN116892910B (zh) * | 2023-07-07 | 2024-06-18 | 苏州市相城检测股份有限公司 | 一种用于桩基顶面倾斜度的检测系统及方法 |
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JP2002000550A (ja) * | 2000-06-20 | 2002-01-08 | Univ Tokyo | 体腔内観察装置 |
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2017
- 2017-09-25 US US15/713,841 patent/US10564265B2/en active Active
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US5790248A (en) * | 1995-12-29 | 1998-08-04 | Ammann Lasertechnik Ag | Laser beam levelling device |
JP2002000550A (ja) * | 2000-06-20 | 2002-01-08 | Univ Tokyo | 体腔内観察装置 |
JP2004228382A (ja) * | 2003-01-23 | 2004-08-12 | Nikon Corp | 露光装置 |
JP2012160063A (ja) * | 2011-02-01 | 2012-08-23 | Ihi Corp | 球体の検出方法 |
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JP2020067405A (ja) * | 2018-10-25 | 2020-04-30 | 株式会社トプコン | 測量装置 |
JP7191643B2 (ja) | 2018-10-25 | 2022-12-19 | 株式会社トプコン | 測量装置 |
Also Published As
Publication number | Publication date |
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US10564265B2 (en) | 2020-02-18 |
US20180095166A1 (en) | 2018-04-05 |
JP6807628B2 (ja) | 2021-01-06 |
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