JP6905841B2 - ナビゲーションシステム及び誤差補正のための方法 - Google Patents
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C21/00—Navigation; Navigational instruments not provided for in groups G01C1/00 - G01C19/00
- G01C21/10—Navigation; Navigational instruments not provided for in groups G01C1/00 - G01C19/00 by using measurements of speed or acceleration
- G01C21/12—Navigation; Navigational instruments not provided for in groups G01C1/00 - G01C19/00 by using measurements of speed or acceleration executed aboard the object being navigated; Dead reckoning
- G01C21/16—Navigation; Navigational instruments not provided for in groups G01C1/00 - G01C19/00 by using measurements of speed or acceleration executed aboard the object being navigated; Dead reckoning by integrating acceleration or speed, i.e. inertial navigation
- G01C21/183—Compensation of inertial measurements, e.g. for temperature effects
- G01C21/188—Compensation of inertial measurements, e.g. for temperature effects for accumulated errors, e.g. by coupling inertial systems with absolute positioning systems
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C21/00—Navigation; Navigational instruments not provided for in groups G01C1/00 - G01C19/00
- G01C21/10—Navigation; Navigational instruments not provided for in groups G01C1/00 - G01C19/00 by using measurements of speed or acceleration
- G01C21/12—Navigation; Navigational instruments not provided for in groups G01C1/00 - G01C19/00 by using measurements of speed or acceleration executed aboard the object being navigated; Dead reckoning
- G01C21/16—Navigation; Navigational instruments not provided for in groups G01C1/00 - G01C19/00 by using measurements of speed or acceleration executed aboard the object being navigated; Dead reckoning by integrating acceleration or speed, i.e. inertial navigation
- G01C21/165—Navigation; Navigational instruments not provided for in groups G01C1/00 - G01C19/00 by using measurements of speed or acceleration executed aboard the object being navigated; Dead reckoning by integrating acceleration or speed, i.e. inertial navigation combined with non-inertial navigation instruments
- G01C21/1652—Navigation; Navigational instruments not provided for in groups G01C1/00 - G01C19/00 by using measurements of speed or acceleration executed aboard the object being navigated; Dead reckoning by integrating acceleration or speed, i.e. inertial navigation combined with non-inertial navigation instruments with ranging devices, e.g. LIDAR or RADAR
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C21/00—Navigation; Navigational instruments not provided for in groups G01C1/00 - G01C19/00
- G01C21/10—Navigation; Navigational instruments not provided for in groups G01C1/00 - G01C19/00 by using measurements of speed or acceleration
- G01C21/12—Navigation; Navigational instruments not provided for in groups G01C1/00 - G01C19/00 by using measurements of speed or acceleration executed aboard the object being navigated; Dead reckoning
- G01C21/16—Navigation; Navigational instruments not provided for in groups G01C1/00 - G01C19/00 by using measurements of speed or acceleration executed aboard the object being navigated; Dead reckoning by integrating acceleration or speed, i.e. inertial navigation
- G01C21/165—Navigation; Navigational instruments not provided for in groups G01C1/00 - G01C19/00 by using measurements of speed or acceleration executed aboard the object being navigated; Dead reckoning by integrating acceleration or speed, i.e. inertial navigation combined with non-inertial navigation instruments
- G01C21/1654—Navigation; Navigational instruments not provided for in groups G01C1/00 - G01C19/00 by using measurements of speed or acceleration executed aboard the object being navigated; Dead reckoning by integrating acceleration or speed, i.e. inertial navigation combined with non-inertial navigation instruments with electromagnetic compass
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C21/00—Navigation; Navigational instruments not provided for in groups G01C1/00 - G01C19/00
- G01C21/10—Navigation; Navigational instruments not provided for in groups G01C1/00 - G01C19/00 by using measurements of speed or acceleration
- G01C21/12—Navigation; Navigational instruments not provided for in groups G01C1/00 - G01C19/00 by using measurements of speed or acceleration executed aboard the object being navigated; Dead reckoning
- G01C21/16—Navigation; Navigational instruments not provided for in groups G01C1/00 - G01C19/00 by using measurements of speed or acceleration executed aboard the object being navigated; Dead reckoning by integrating acceleration or speed, i.e. inertial navigation
- G01C21/165—Navigation; Navigational instruments not provided for in groups G01C1/00 - G01C19/00 by using measurements of speed or acceleration executed aboard the object being navigated; Dead reckoning by integrating acceleration or speed, i.e. inertial navigation combined with non-inertial navigation instruments
- G01C21/1656—Navigation; Navigational instruments not provided for in groups G01C1/00 - G01C19/00 by using measurements of speed or acceleration executed aboard the object being navigated; Dead reckoning by integrating acceleration or speed, i.e. inertial navigation combined with non-inertial navigation instruments with passive imaging devices, e.g. cameras
-
- 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
- G01S19/00—Satellite radio beacon positioning systems; Determining position, velocity or attitude using signals transmitted by such systems
- G01S19/38—Determining a navigation solution using signals transmitted by a satellite radio beacon positioning system
- G01S19/39—Determining a navigation solution using signals transmitted by a satellite radio beacon positioning system the satellite radio beacon positioning system transmitting time-stamped messages, e.g. GPS [Global Positioning System], GLONASS [Global Orbiting Navigation Satellite System] or GALILEO
- G01S19/42—Determining position
- G01S19/45—Determining position by combining measurements of signals from the satellite radio beacon positioning system with a supplementary measurement
- G01S19/47—Determining position by combining measurements of signals from the satellite radio beacon positioning system with a supplementary measurement the supplementary measurement being an inertial measurement, e.g. tightly coupled inertial
-
- 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
- G01S19/00—Satellite radio beacon positioning systems; Determining position, velocity or attitude using signals transmitted by such systems
- G01S19/38—Determining a navigation solution using signals transmitted by a satellite radio beacon positioning system
- G01S19/39—Determining a navigation solution using signals transmitted by a satellite radio beacon positioning system the satellite radio beacon positioning system transmitting time-stamped messages, e.g. GPS [Global Positioning System], GLONASS [Global Orbiting Navigation Satellite System] or GALILEO
- G01S19/42—Determining position
- G01S19/48—Determining position by combining or switching between position solutions derived from the satellite radio beacon positioning system and position solutions derived from a further system
- G01S19/49—Determining position by combining or switching between position solutions derived from the satellite radio beacon positioning system and position solutions derived from a further system whereby the further system is an inertial position system, e.g. loosely-coupled
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- Engineering & Computer Science (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Automation & Control Theory (AREA)
- Computer Networks & Wireless Communication (AREA)
- Electromagnetism (AREA)
- Navigation (AREA)
- Position Fixing By Use Of Radio Waves (AREA)
Description
Claims (8)
- ベース測定システムBSと補正システムとを備える測定システムの、出力の誤差を補正する方法であって、
BSセンサデータを前記ベース測定システムから取得して、前記BSセンサデータを処理アルゴリズムに与えるステップ(4)と、
前記BSセンサデータを、前記BSセンサデータ検知の時刻を示すタイムスタンプに関連付けて保存するステップ(16)と、
前記処理アルゴリズムにおいて前記BSセンサデータを処理することによりBS出力値を算出するステップ(6)と、
前記算出した前記BS出力値を、前記BS出力値の算出に用いた前記BSセンサデータに関連付けられた関連する前記タイムスタンプと共に保存するステップ(7)と、
前記補正システムのセンサデータの検知の時刻を示すタイムスタンプと関連付けられた補正システムセンサデータを前記補正システムから取得するステップ(8)と、
対応するタイムスタンプを有する前記BSセンサデータ、前記BS出力値、及び補正システムセンサデータを、融合フィルタに与えるステップと、
前記融合フィルタによって、遅延時間中に変動のない誤差を補正するための補正値を、前記BS出力値と、対応するタイムスタンプを有する前記補正システムセンサデータとの間の誤差と、未だ補正されていない一定誤差を含む前記BSセンサデータを補正するための補正増分とを算出するステップ(10)であって、前記補正増分は、前記処理アルゴリズムにおいて前記BSセンサデータを積分及び又は合算することに起因する前記BS出力値における誤差の時間変化を反映するものであるステップと、
補正したBSセンサデータを生成するために対応する補正値を前記BSセンサデータに適用し、前記補正したBSセンサデータを、前記処理アルゴリズムにより処理することにより再計算されたBS出力値を生成するステップと、
補正したBS出力値を生成するために、前記補正増分を前記再計算されたBS出力値に適用し、前記補正したBS出力値を保存するステップと、
前記処理アルゴリズムの最新の出力値を、更なるデータ処理のために出力するステップと、
を有し、
前記最新の算出された補正値は保存され、
予め定めた所定の閾値より短い遅延時間を持つ補正システムセンサデータが何も利用できない場合には、前記保存された補正値を前記BSセンサデータに適用することで補正が実行される、方法。 - 複数の補正システムセンサデータが、当該補正システムセンサデータをそれらに対応するタイムスタンプに関連付けて記憶装置(9)に保存することにより収集される、
ことを特徴とする、請求項1に記載の方法。 - 前記予め定めた所定の閾値を超える遅延時間を持った補正システムセンサデータが破棄される、
ことを特徴とする、請求項1又は2に記載の方法。 - 前記処理アルゴリズムは、ベースナビゲーションシステム(2)におけるストラップダウン・アルゴリズムである、
ことを特徴とする、請求項1ないし3のいずれか一項に記載の方法。 - 前記融合フィルタは、拡張カルマンフィルタである、
ことを特徴とする、請求項1ないし4のいずれか一項に記載の方法。 - ベース・ナビゲーションシステム(2)と補正システム(3)とを備える統合航法システムであって、前記ベース・ナビゲーションシステム(2)及び前記補正システム(3)は、請求項1ないし5のいずれか一項に記載の方法ステップを実行するよう適合されている、
統合航法システム。 - 前記ベース・ナビゲーションシステム(2)は、慣性測定ユニットと、ストラップダウン・アルゴリズムを実行する処理ユニット(6)と、前記融合フィルタと、を備える、
ことを特徴とする、請求項6に記載の統合航法システム。 - 前記補正システム(3)は、GNSS、オドメトリ、気圧計、磁気計、レーダ、ステレオビジョン、レーザスキャナ、超音波レンジファインダ、ランドマーク、無線測位装置の、少なくとも一つを備える、
ことを特徴とする、請求項6又は7に記載の統合航法システム。
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EP16166189.7 | 2016-04-20 | ||
EP16166189 | 2016-04-20 | ||
EP16176424.6 | 2016-06-27 | ||
EP16176424.6A EP3236210B1 (en) | 2016-04-20 | 2016-06-27 | Navigation system and method for error correction |
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US11105655B2 (en) * | 2012-08-09 | 2021-08-31 | Bae Systems Information And Electronic Systems Integration Inc. | Integrated data registration |
DE102014211171A1 (de) * | 2014-06-11 | 2015-12-17 | Continental Teves Ag & Co. Ohg | Verfahren und System zur Anpassung eines Navigationssystems |
GB201518652D0 (en) * | 2015-10-21 | 2015-12-02 | F Robotics Acquisitions Ltd | Domestic robotic system and method |
US10871777B2 (en) * | 2017-11-30 | 2020-12-22 | Uatc, Llc | Autonomous vehicle sensor compensation by monitoring acceleration |
US11422253B2 (en) * | 2018-11-19 | 2022-08-23 | Tdk Corportation | Method and system for positioning using tightly coupled radar, motion sensors and map information |
CN112817301B (zh) * | 2019-10-30 | 2023-05-16 | 北京魔门塔科技有限公司 | 一种多传感器数据的融合方法、装置及系统 |
RU198994U1 (ru) * | 2019-12-10 | 2020-08-06 | федеральное государственное автономное образовательное учреждение высшего образования "Северо-Кавказский федеральный университет" | Устройство определения факта искажения навигационного поля и идентификации помехового воздействия на приемник роботизированного беспилотного летательного аппарата |
CN111829515A (zh) * | 2020-07-09 | 2020-10-27 | 新石器慧通(北京)科技有限公司 | 一种时间同步方法、装置、车辆及存储介质 |
CN115311867B (zh) * | 2022-10-11 | 2023-01-10 | 腾讯科技(深圳)有限公司 | 隧道场景的定位方法、装置、计算机设备、存储介质 |
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US6859727B2 (en) * | 2003-01-08 | 2005-02-22 | Honeywell International, Inc. | Attitude change kalman filter measurement apparatus and method |
US20080077325A1 (en) * | 2006-09-25 | 2008-03-27 | Honeywell International Inc. | Systems and methods for a hybrid transition matrix |
JP2011220844A (ja) * | 2010-04-09 | 2011-11-04 | Seiko Epson Corp | 位置算出方法及び位置算出装置 |
GB201017288D0 (en) * | 2010-10-13 | 2010-11-24 | Univ Nottingham | Positioning system |
KR20140067120A (ko) | 2011-09-12 | 2014-06-03 | 콘티넨탈 테베스 아게 운트 코. 오하게 | 공통 신호 처리를 위한 융합 필터를 포함하는 센서 시스템 |
EP2679954A1 (en) * | 2012-06-26 | 2014-01-01 | ST-Ericsson SA | Sequential estimation in a real-time positioning or navigation system using historical states |
DE102014211166A1 (de) | 2013-11-20 | 2015-05-21 | Continental Teves Ag & Co. Ohg | Verfahren, Fusionsfilter und System zur Fusion von Sensorsignalen mit unterschiedlichen zeitlichen Signalausgabeverzügen zu einem Fusionsdatensatz |
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US10753748B2 (en) | 2020-08-25 |
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JP2017194456A (ja) | 2017-10-26 |
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