JP5114514B2 - 位置推定装置 - Google Patents
位置推定装置 Download PDFInfo
- Publication number
- JP5114514B2 JP5114514B2 JP2010039533A JP2010039533A JP5114514B2 JP 5114514 B2 JP5114514 B2 JP 5114514B2 JP 2010039533 A JP2010039533 A JP 2010039533A JP 2010039533 A JP2010039533 A JP 2010039533A JP 5114514 B2 JP5114514 B2 JP 5114514B2
- Authority
- JP
- Japan
- Prior art keywords
- information
- moving
- mobile
- moving body
- unit
- 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 - Fee Related
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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
- 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
- G01S19/40—Correcting position, velocity or attitude
-
- 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
- G01S19/46—Determining position by combining measurements of signals from the satellite radio beacon positioning system with a supplementary measurement the supplementary measurement being of a radio-wave signal type
-
- 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
- G01S5/00—Position-fixing by co-ordinating two or more direction or position line determinations; Position-fixing by co-ordinating two or more distance determinations
- G01S5/0009—Transmission of position information to remote stations
- G01S5/0072—Transmission between mobile stations, e.g. anti-collision systems
-
- 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
- G01S5/00—Position-fixing by co-ordinating two or more direction or position line determinations; Position-fixing by co-ordinating two or more distance determinations
- G01S5/02—Position-fixing by co-ordinating two or more direction or position line determinations; Position-fixing by co-ordinating two or more distance determinations using radio waves
- G01S5/0205—Details
- G01S5/021—Calibration, monitoring or correction
Landscapes
- Engineering & Computer Science (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Computer Networks & Wireless Communication (AREA)
- Mobile Radio Communication Systems (AREA)
- Navigation (AREA)
- Position Fixing By Use Of Radio Waves (AREA)
Description
(式2)のGを観測行列と呼ぶ。取得したセンサ信号の数が行数であり、求めたい未知変数の数が列数となる。Gの要素は事前に取得し得る全ての行数分用意されているとする。Gは取得したセンサ信号に対応する要素を残し、その他の要素に0を代入することでGを作成することができる。次にステップ905に移り、観測行列の階数(ランク)を求める。観測行列の階数は、ステップ904にて求めた観測行列Gを特異値分解もしくはQR分解することで求めることができる。ここで求めた階数が独立な信号の数となる。
102,1102 信号受信手段
103,1103 位置姿勢算出手段
104,1104 距離計測手段
105,125,1105 通信手段
106 位置補正情報記憶手段
107,1109 特徴認識手段
108,1108 内部記憶手段
121 センタ
122,1107 関係性判定手段
123 移動体分類記憶手段
124,1106 位置補正手段
126 移動体位置補正情報記憶手段
127 移動体情報記憶手段
402 連鎖判定手段
403 信号独立性判定手段
404 基線ベクトル算出手段
Claims (3)
- 複数の移動体からなり、前記移動体は信号受信手段により複数の発信源からの測位信号を受信して、自移動体の現在位置をその誤差見積もりと共に算出する測位手段と、
自移動体の周囲に存在する他の移動体との距離を計測する距離計測手段
を備えた位置推定システムにおいて、
前記移動体は
前記距離計測手段により距離を計測する他の移動体の特徴を認識する特徴認識手段と、
他の移動体もしくはセンタへ、受信した測位信号および算出した位置情報を送信し、位置補正情報を受信する通信手段と、
受信した位置補正情報を記憶する位置補正情報記憶手段と
を有し、
前記距離計測手段により、前記特徴認識手段で認識された他の移動体との間の距離を直接計測しているか、もしくは他の移動体から直接距離を計測されている移動体同士を同じ集団に分類する連鎖判定手段、
前記信号受信手段により受信した測位信号および前記連鎖判定手段において同じ集団に分類された各移動体で受信された測位信号から、測位信号の発信源が独立な測位信号を判別して選択する信号独立性判定手段、および
移動体の位置情報を用いて、前記距離計測手段により計測した他の移動体との距離に基づく相対位置情報から基線ベクトルを算出する基線ベクトル算出手段
を有する関係性判定手段と、
自移動体で受信した測位信号と前記関係性判定手段において選択した他の移動体で受信された測位信号に基づき現在位置を算出して位置補正情報を計算し、該位置補正情報を元に推定位置を補正する位置補正手段と、
を複数の移動体の内の少なくとも1台もしくは前記センタに備えた
ことを特徴とする位置推定システム。
- 請求項1に記載の位置推定システムにおいて、
前記基線ベクトル算出手段は、前記信号独立性判定手段により選択した独立な測位信号の数が、測位に必要な数以上の場合に、前記基線ベクトルを算出して移動体の位置を計算することを特徴とする位置推定システム。 - 請求項1に記載の位置推定システムにおいて、
前記信号独立性判定手段は、前記連鎖判定手段にて一つの集団と判断された移動体の集団において、集団全体での未知変数が、集団全体で未知変数以上の独立な発信源による測位信号の観測があることを判定することを特徴とする位置推定システム。
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2010039533A JP5114514B2 (ja) | 2010-02-25 | 2010-02-25 | 位置推定装置 |
| CN201110036969.0A CN102192737B (zh) | 2010-02-25 | 2011-02-10 | 位置推定装置 |
| US13/030,237 US8260325B2 (en) | 2010-02-25 | 2011-02-18 | Location estimation system |
| EP11154935.8A EP2363731B1 (en) | 2010-02-25 | 2011-02-18 | Location estimation system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2010039533A JP5114514B2 (ja) | 2010-02-25 | 2010-02-25 | 位置推定装置 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2011174829A JP2011174829A (ja) | 2011-09-08 |
| JP5114514B2 true JP5114514B2 (ja) | 2013-01-09 |
Family
ID=44064658
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2010039533A Expired - Fee Related JP5114514B2 (ja) | 2010-02-25 | 2010-02-25 | 位置推定装置 |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US8260325B2 (ja) |
| EP (1) | EP2363731B1 (ja) |
| JP (1) | JP5114514B2 (ja) |
| CN (1) | CN102192737B (ja) |
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| JP5017392B2 (ja) * | 2010-02-24 | 2012-09-05 | クラリオン株式会社 | 位置推定装置および位置推定方法 |
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| US8755304B2 (en) | 2011-10-21 | 2014-06-17 | Qualcomm Incorporated | Time of arrival based positioning for wireless communication systems |
| CN103210279B (zh) * | 2011-11-15 | 2016-05-25 | 松下电器(美国)知识产权公司 | 位置推测装置、位置推测方法以及集成电路 |
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| JP6303564B2 (ja) * | 2014-02-11 | 2018-04-04 | 株式会社デンソー | 位置情報校正装置、位置情報校正アプリケーションプログラム |
| JP6303890B2 (ja) * | 2014-07-22 | 2018-04-04 | 日産自動車株式会社 | 位置検出装置及び位置検出方法 |
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| JP6707378B2 (ja) * | 2016-03-25 | 2020-06-10 | 本田技研工業株式会社 | 自己位置推定装置および自己位置推定方法 |
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2010
- 2010-02-25 JP JP2010039533A patent/JP5114514B2/ja not_active Expired - Fee Related
-
2011
- 2011-02-10 CN CN201110036969.0A patent/CN102192737B/zh not_active Expired - Fee Related
- 2011-02-18 EP EP11154935.8A patent/EP2363731B1/en not_active Not-in-force
- 2011-02-18 US US13/030,237 patent/US8260325B2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| US20110244881A1 (en) | 2011-10-06 |
| EP2363731A1 (en) | 2011-09-07 |
| CN102192737B (zh) | 2014-05-07 |
| US8260325B2 (en) | 2012-09-04 |
| CN102192737A (zh) | 2011-09-21 |
| EP2363731B1 (en) | 2013-08-21 |
| JP2011174829A (ja) | 2011-09-08 |
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