JP2009501344A - 所在及び在庫追跡のための過去エラー自動補正 - Google Patents
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- 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
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- 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
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- 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
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Abstract
Description
2005年7月5日出願の米国仮特許出願第60/696,619号、Han-Shue Tan他による「所在及び在庫追跡のための過去エラー自動補正」(代理人事件番号TRAC−01000US0TAW)に対する優先権を主張する。
本発明は、船舶、鉄道車両、又はトラックによって運搬され、又は貨物置場に保管されているコンテナの所在を追跡することに関する。より具体的には、本発明は、衛星利用全地球測位システム(GPS)と慣性航法システム(INS)を使用したコンテナの追跡と在庫に関する。INSは、慣性センサ、速度センサ、及び回転又は移動方向を示すセンサをGPSと組み合わせた合体型に置き換え又はそれにより支援されていてもよい。
Claims (16)
- 位置追跡システムにおいて、
可動対象物の第1位置データを提供するために前記可動対象物に関係付けられた測位ユニットであって、前記対象物の動きを示す第1リアルタイム軌道を提供することができるようにする、測位ユニットと、
前記第1位置データを記憶するためのデータ記憶ユニットと、
前記第1位置データから較正後第2軌道データを生成するための航法処理モジュールと、
前記航法処理モジュールからの前記第2較正後軌道データを、前記第1軌道データと比較して、前記第1位置データ中の補正を表す補正データを生成するためのエラー補正計算モジュールと、を備えている追跡システム。 - 前記データ記憶ユニットに記憶されている前記第1位置エラーのデータエラーの場所を表すメッセージを提供するための、前記エラー補正モジュールに接続されている報告モジュールを更に備えている、請求項1に記載のシステム。
- 前記測位ユニットは、
前記第1位置データを求めるために、前記可動対象物のリアルタイム位置データを提供するための第1位置センサと、
前記可動対象物の前記第1軌道の判定を支援する以下の情報、即ち、線運動データ、角運動データ、線速度データ、角速度データ、線加速度データ、及び角加速度データ、の内の少なくとも1つを提供する第2センサと、を備えている、請求項1に記載のシステム。 - 前記第1位置センサは、全地球測位システム(GPS)受信機を含んでおり、
前記第2センサは、慣性航法システム(INS)からの少なくとも1つの構成要素を含んでいる、請求項3に記載のシステム。 - 前記測位ユニットは、前記第1リアルタイム位置データを提供するための少なくとも1つのセンサと、前記第1軌道を判定するプロセッサを含んでおり、
前記航法モジュールは、前記測位ユニットからの少なくとも1つの出力を使用し、前記記憶されている位置データをフィルタに掛けて前記第2軌道の少なくとも或る区間を前記第1軌道よりも精度よく提供するためのアルゴリズムを使って、前記第1リアルタイム位置データから前記第2軌道データを生成する、請求項1に記載のシステム。 - 前記航法モジュールは、事前に設定された標準に基づき前記区間が統計学的に信頼できるものになるまで、数式を何度も使用して前記第2軌道を反復的に較正することにより、前記第2軌道の調整可能な区間を生成する、請求項1に記載のシステム。
- 前記エラー補正計算モジュールは、前記補正後データを前記データ記憶ユニット内の前記第1位置データの幾つかと入れ替えて記憶することにより、前記第1位置データを前記補正後データで更新する、請求項1に記載のシステム。
- 前記エラー補正計算モジュールは、前記第1位置データを前記補正後データで更新して、第2位置データを提供し、前記第2位置データを前記データ記憶ユニットに記憶する、請求項1に記載のシステム。
- 前記エラー補正計算モジュールは、ユーザーインターフェースに前記補正後データを報告する、請求項1に記載のシステム。
- 前記測位ユニットは、
位置データを受信するためのセンサと、
前記センサからの前記位置データと相関付けて、前記第1位置データと前記第1リアルタイム軌道を提供するためのデジタルマップと、を備えている、請求項1に記載のシステム。 - 前記測位ユニットは、前記可動対象物内に在り、
前記航法処理モジュールと前記エラー補正計算モジュールは、前記可動対象物から離れたところに在り、前記測位ユニットに無線で繋がっている、請求項1に記載のシステム。 - 前記測位ユニットと前記航法処理モジュールは、前記可動対象物内に在り、
エラー補正計算モジュールは前記可動対象物から離れたところに在って、前記測位ユニットと前記航法処理モジュールに無線で繋がっている、請求項1に記載のシステム。 - 前記測位ユニット、前記航法処理モジュール、及び前記エラー補正計算モジュールは、前記可動対象物内に在る、請求項1に記載のシステム。
- 可動対象物の位置データを提供するための方法において、
前記可動対象物の第1位置データをリアルタイムで入手する段階と、
前記第1位置データを、少なくとも1つの時間系列で記憶する段階と、
部分的に前記第1位置データに基づいて第1軌道を求める段階と、
事後処理推定フィルタを採用することにより、前記可動対象物の前記位置データの動きを計算して、前記対象物の動きを前記第1軌道よりもより正確に描いている第2軌道を提供する段階と、
前記第1軌道を前記第2軌道と相関付けて、前記第1位置データ内の補正を要する区間を識別する段階と、
前記第1位置データ内の補正を表す補正データを生成する段階と、から成る方法。 - 在庫データを記憶し、プロセッサで可動対象物を追跡できるようにしている読み取り可能記憶媒体を有するプロセッサを備えている資材追跡在庫システムにおいて、前記記憶媒体は、
前記可動対象物の第1位置データを少なくとも1つの時間系列で記憶し、
部分的に前記第1位置データに基づいて前記可動対象物の動きを表している第1軌道を記憶し、
第2軌道が前記第1軌道よりも正確に前記対象物の動きを描くように事後処理推定アルゴリズムを含んでいるフィルタを使用して前記第1位置データから入手した、前記可動対象物の動きを表している第2軌道を記憶し、
前記第1軌道と前記第2軌道との比較に基づき、前記第1位置データに対する修正を表している修正後位置データを記憶する、システム。 - 前記記憶媒体は、データベースに前記可動対象物の事象データを更に記憶し、
前記プロセッサは、前記可動対象物の修正後位置データに基づき、前記事象順序を見直すことによって、前記事象データを更に修正する、請求項15に記載のシステム。
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Application Number | Priority Date | Filing Date | Title |
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US69661905P | 2005-07-05 | 2005-07-05 | |
US11/478,991 US7848881B2 (en) | 2005-07-05 | 2006-06-29 | Automatic past error corrections for location and inventory tracking |
PCT/US2006/025929 WO2008030213A2 (en) | 2005-07-05 | 2006-06-30 | Automatic past error corrections for location and inventory tracking |
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JP2009501344A true JP2009501344A (ja) | 2009-01-15 |
JP2009501344A5 JP2009501344A5 (ja) | 2011-07-07 |
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JP2008533334A Ceased JP2009501344A (ja) | 2005-07-05 | 2006-06-30 | 所在及び在庫追跡のための過去エラー自動補正 |
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US (1) | US7848881B2 (ja) |
EP (1) | EP1934555A2 (ja) |
JP (1) | JP2009501344A (ja) |
CA (1) | CA2614977C (ja) |
WO (1) | WO2008030213A2 (ja) |
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Also Published As
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WO2008030213A2 (en) | 2008-03-13 |
CA2614977C (en) | 2014-08-12 |
CA2614977A1 (en) | 2007-01-05 |
US20070010940A1 (en) | 2007-01-11 |
WO2008030213A3 (en) | 2008-07-03 |
EP1934555A2 (en) | 2008-06-25 |
US7848881B2 (en) | 2010-12-07 |
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