Development of kinematic GPS software, KINGS, and flight test evaluation

Material type: 文書・図像類

Author: 辻井, 敏秋ほか

Publisher: 航空宇宙技術研究所

Publication date: 1998-10

Material Format: Digital

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Note (General)：: GPS搬送波位相干渉法による精密測位は、従来測地測量などの静止基線解析の分野で幅広く応用されているが、時々刻々と変化する基線に対しては適用が難しいとされてきた。ところが、近年、搬送波に内在する未知数(アンビギティ)を実時間で解くアルゴリズム(On-The-Fly(OTF)アルゴリズム)が多くの研究者...

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Material Type: 文書・図像類
Title: Development of kinematic GPS software, KINGS, and flight test evaluation
Author/Editor: 辻井, 敏秋
村田, 正秋
張替, 正敏
小野, 孝次
稲垣, 敏治
Tsujii, Toshiaki
Murata, Masaaki
Harigae, Masatoshi
Ono, Takatsugu
Inagaki, Toshiharu
Author Heading: 辻井, 敏秋
村田, 正秋
張替, 正敏
小野, 孝次
稲垣, 敏治
Tsujii, Toshiaki
Murata, Masaaki
Harigae, Masatoshi
Ono, Takatsugu
Inagaki, Toshiharu
Publication, Distribution, etc.: 航空宇宙技術研究所
Publication Date: 1998-10
Publication Date (W3CDTF): 1998-10
Alternative Title: キネマティックGPSソフトウエアKINGSの開発および飛行試験評価
Periodical title: 航空宇宙技術研究所報告 = Technical Report of National Aerospace Laboratory
No. or year of volume/issue: 1357T
Volume: 1357T
Pages: 1-52
ISSN (Periodical Title): ISSN : 0389-4010
Text Language Code: eng
Subject Heading: キネマティックGPS
KINGS
衛星航法
GPS精密測位
GPSソフトウエア
オンザフライアルゴリズム
測位精度
飛行試験
アンビギティ
kinematic GPS
satellite navigation
precise GPS positioning
GPS software
on the fly algorithm
positioning accuracy
flight test
ambiguity
Target Audience: 一般
Note (General): GPS搬送波位相干渉法による精密測位は、従来測地測量などの静止基線解析の分野で幅広く応用されているが、時々刻々と変化する基線に対しては適用が難しいとされてきた。ところが、近年、搬送波に内在する未知数(アンビギティ)を実時間で解くアルゴリズム(On-The-Fly(OTF)アルゴリズム)が多くの研究者によって開発され、移動体に対する精密測位も可能となってきた。本報告では、航技研で独自に開発した新しいOTFアルゴリズムを提案し、様々な実験による実証例を示す。GPS搬送波を用いた移動体の精密測位は、キネマティックGPS(KGPS)と呼ばれるが、航空技術研究所では独自のOTFアルゴリズムを核とするKGPSソフトウェア、KINGSを開発し、その性能評価を研究用航空機ドルニエ228を用いて行った。その結果、基線長20km以内、可視衛星5衛星以内の場合に、98%以上の確率でほぼ瞬時にアンビギティを解くことができた。アンビギティが正しく解けた場合の測位精度は約10cm(3σ)である。
Precise positioning using GPS carrier phase measurement has been widely used in static applications, i.e., geodetic surveying. However, it can also be applied to the precise positioning of a moving platform if an ambiguity contained in the GPS carrier phase measurement is resolved during the motion. The technique to resolve the ambiguity on the way/fly, which is called the OTF (On-The-Fly), has been investigated by many authors. In this paper, a new OTF algorithm is proposed and its feasibility for several kinds of applications is demonstrated. The differential GPS positioning using carrier phase measurements is called Kinematic GPS (KINGS). The Kinematic GPS Software, KINGS, in which the OTF is the most significant algorithm, was developed and its performance was evaluated by conducting a lot of flight experiments using a research aircraft of the National Aerospace Laboratory (NAL). As a result, the correct ambiguity was resolved nearly instantaneously with more than 98 percent probability when the distance between the aircraft receiver and the ground reference receiver was less than 20 km, and five or more satellites were observed. Once the ambiguity was resolved, the aircraft position was determined within 10 cm (3 sigma).
資料番号: AA0001666000
レポート番号: NAL TR-1357T
Access Restrictions: 限定公開
Data Provider (Database): 国立情報学研究所 : 学術機関リポジトリデータベース（IRDB）（機関リポジトリ）
https://irdb.nii.ac.jp
Original Data Provider (Database): 宇宙航空研究開発機構 : 宇宙航空研究開発機構リポジトリ