JP6273662B2 - 高分解能距離感知のためのシステム及び方法、並びにその適用 - Google Patents
高分解能距離感知のためのシステム及び方法、並びにその適用 Download PDFInfo
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- JP6273662B2 JP6273662B2 JP2015535782A JP2015535782A JP6273662B2 JP 6273662 B2 JP6273662 B2 JP 6273662B2 JP 2015535782 A JP2015535782 A JP 2015535782A JP 2015535782 A JP2015535782 A JP 2015535782A JP 6273662 B2 JP6273662 B2 JP 6273662B2
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Description
本出願は、2012年10月5日出願の米国仮特許出願第61/710,397号、表題「High Resolution Distance Sensing And Its Applications And Systems」の優先権を請求するものであり、その全体の開示は引用により組み込まれる。
本明細書に記載される1以上の実施形態は、レーダー又は他の高分解能距離感知を使用する、バイタルサイン又は他の健康信号の、非接触型且つ非侵襲型の感知に関係する。
エコーの強度、周波数、及び/又は飛行時間は、標的までの距離及び/又は標的の動作を導き出すために使用され得る。
別の例として、1つの感知システムは、標的の胸部に向けられ、別の感知システムは標的の腹部(例えば、腹)に向けられ得る。
上述のように、これら感知システムは、呼吸中に生じ得る、別個の感知システムによって監視される胸部の動作及び腹部の動作として、標的の呼吸を判定するために使用され得る。解析システムは、奇異呼吸又は強制呼吸などの異常呼吸パターンを判定するために、感知システムによって提供されるデータを調べ得る(例えば、比較する)。例えば、感知システムによって検知される動作の変化は、胸部及び/又は腹部の動作の変化のテンプレート又は既知のパターンと比較され得る。異なるテンプレート又は既知のパターンが、異なる異常呼吸事象に関係し得る。解析システムは、これらのテンプレート又は既知のパターンのどちらが感知システムにより得た実データによって一致されるか(又は、テンプレート及び/又は既知のパターンのどちらが、1以上の他のテンプレート又はパターンよりも実データによって密接に一致されるか)を判定し、及び標的に生じるようなこのテンプレート又はパターンに関連する異常呼吸事象を識別することができる。それ故、これら多数の感知システムは、個々の感知システムにより提供され得る、距離、位置、又は動作の測定値に関する、より正確な場所、配向、又はコンテキストを判定するために使用され得る。
送信機(600)は送信アンテナ(204)(図19に示される)を駆動させてもよい(例えば、図18に示される送信信号(106)を送信するために稼働する)。受信機(602)は、送信アンテナ(204)から離れている受信アンテナ(206)(図19に示される)によって戻りエコー信号を受け取ってもよい。これにより、送信機(600)と受信機(602)の間にT/R(伝送/受信)スイッチを配置する必要性を減らすことができる。送信機(600)は、送信信号(106)(図18に示される)を送信すべく送信アンテナ(204)を駆動するために、タイミング基準信号(216)をアップコンバータで変換して、送信アンテナ(204)を通って送信信号(606)を送信する。1つの実施形態では、送信機(600)の出力は、最大の周波数、または、感知アセンブリ(102)(図18に示される)内の1つ以上の他の周波数よりも大きな周波数であり得る。例えば、送信機(600)からの送信信号(606)は搬送周波数であり得る。この送信信号(606)は、送信信号(606)によって生じた損失を最小限に抑えるまたは減らすために、送信アンテナ(204)に直接供給することができる。
どうかの決定がなされる。例えば、(図1に示される)システム(100)の操作者は、システム(100)に対して手動で入力を行い、及び/又はシステム(100)は、上に記載される粗い段階判定を使用するかどうかを自動的に決定し得る。粗い段階判定が使用される場合、方法(2700)の手順は、(2704)に移る。代替的に、方法(2700)の手順は、(2718)に移ってもよい。1つの実施形態において、上に記載されるように、粗い段階は、飛行時間及び/又は分離距離を測定するために、送信信号および受信されたエコー信号の単一のチャネル(例えば、IチャネルまたはQチャンネルのいずれか)を使用する。
Claims (24)
- 感知システム(11)であって:
レーダーを使用して異なる時点の第1標的場所(16)までの複数の距離(12;22、30;42、50、60、70、80;4102、4202)を測定する、第1レーダー感知アセンブリ(10;3104、3106;4100、4200);及び
第1レーダー感知アセンブリ(10;3104、3106;4100、4200)から前記複数の距離(12;22、30;42、50、60、70、80;4102、4202)を受け取る解析システム(18)とを備え、
該解析システム(18)はまた、第1レーダー感知アセンブリ(10;3104、3106;4100、4200)により測定した複数の距離(12;22、30;42、50、60、70、80;4102、4202)の差を計算することにより、異なる時点での第1標的場所(16)にある標的対象(14)の動作を定量化し、ここで、前記解析システム(18)は、計算される複数の距離(12;22、30;42、50、60、70、80;4102、4202)の差を使用して、第1標的位置(16)にある標的対象(14)の動作を示す1以上の第1定量化活動レベル値を作り出す、
ことを特徴とする感知システム(11)。 - 前記解析システム(18)は、第1レーダー感知アセンブリ(10;3104、3106;4100、4200)により測定した、複数の距離(12;22、30;42、50、60、70、80;4102、4202)又は複数の距離(12;22、30;42、50、60、70、80;4102、4202)の差の少なくとも1つを使用して、人間の姿勢を判定し、該姿勢は、人間が表面(20)に立つ、座る、又は横たわる行為の少なくとも1つを含む、ことを特徴とする請求項1に記載の感知システム(11)。
- 解析システム(18)は、計算される複数の距離(12;22、30;42、50、60、70、80;4102、4202)又は複数の距離(12;22、30;42、50、60、70、80;4102、4202)の差の少なくとも1つを使用して、共通の標的場所(16)にある標的対象(14)の存在を判定する、ことを特徴とする請求項1に記載の感知システム(11)。
- レーダーを使用して、異なる時点の、第1標的場所(16)と異なる第2標的場所(16)までの複数の距離(12;22、30;42、50、60、70、80;4102、4202)を測定する、第2レーダー感知アセンブリ(10;3104、3106;4100、4200)を更に含み、ここで、解析システム(18)はまた、第2レーダー感知アセンブリ(10;3104、3106;4100、4200)により測定した複数の距離(12;22、30;42、50、60、70、80;4102、4202)の差を計算することにより、第2標的場所(16)にある標的対象(14)の動作を定量化し、第2標的位置(16)にある標的対象(14)の動作を示す1以上の第2定量化活動レベル値を作り出す、ことを特徴とする請求項1に記載の感知システム(11)。
- 前記第1定量化活動レベル値は、人間の第1身体部分(3100、3102)の動作を表わし、前記第2定量化活動レベル値は、同じ人間の異なる第2本体部分(3100、3102)の動作を表わす、ことを特徴とする請求項4に記載の感知システム(11)。
- 前記解析システム(18)は、前記第1定量化活動レベル値を使用して、転倒している人間を検知する、ことを特徴とする請求項1に記載の感知システム(11)。
- 前記第1レーダー感知アセンブリ(10;3104、3106;4100、4200)は、人間の胸部の正面、側面、又は背面の少なくとも1つに位置する第1標的場所(16)までの複数の距離(12;22、30;42、50、60、70、80;4102、4202)を測定し、前記解析システム(18)は、前記第1定量化活動レベル値として、複数の距離(12;22、30;42、50、60、70、80;4102、4202)の差からの呼吸パターン信号(6304)を判定し、前記解析システム(18)はまた、前記呼吸パターン信号(6304)を使用して人間の呼吸を監視する、ことを特徴とする請求項1に記載の感知システム(11)。
- 前記解析システム(18)は、第2定量化活動レベル値として、前記呼吸パターン信号(6304)から人間の心臓周期を表わす心臓信号(6310)を抽出し、及び随意に、前記解析システム(18)は、生のデータ信号(6300)から以前抽出した別の信号から心臓信号(6310)を抽出することなく、生のデータ信号(6300)から直接、健康信号として心臓信号(6310)を抽出する、ことを特徴とする請求項7に記載の感知システム(11)。
- 前記標的対象(14)は前記第1レーダー感知アセンブリ(10;3104、3106;4100、4200)に対して移動しており、
感知システム(11)は、
レーダーを使用して同じ第1標的場所(16)までの複数の距離(12;22、30;42、50、60、70、80;4102、4202)を測定する第2レーダー感知アセンブリ(10;3104、3106;4100、4200)を更に含み、
ここで、前記解析システム(18)は、第1レーダー感知アセンブリ(10;3104、3106;4100、4200)及び第2レーダー感知アセンブリ(10;3104、3106;4100、4200)により測定した距離(12;22、30;42、50、60、70、80;4102、4202)を使用して、標的対象(14)の動作経路(4104)を追跡する、ことを特徴とする請求項1に記載の感知システム(11)。 - 解析システム(18)は、複数の異なる人間の動作に関連した一連の予め定めた動作パターンへのアクセスを保存、又は備えており、解析システム(18)は、一連の予め定めた動作パターンにおける1以上の他の予め定めた動作パターンよりも、第1の人間に関連した第1の予め定めた動作パターンに密接に一致する、第1定量化活動レベル値に基づき、標的対象(14)として第1の人間を識別する、ことを特徴とする請求項1に記載の感知システム(11)。
- 第1標的場所(16)に向けてレーザー光を生成する、1以上のレーザー光源(7002、7004)、及び、第1標的場所(16)に反射するレーザー光を検知する1以上の光学受信器(7002、7004)を更に備え、ここで、解析システム(18)は、標的対象(14)の血液の酸素化レベルを判定するために、第1定量化活動レベル値をレーザー光の反射と相互に関連付ける、ことを特徴とする請求項1に記載の感知システム(11)。
- 感知方法であって:
異なる時点で、第1レーダー感知アセンブリ(10;3104、3106;4100、4200)から、第1標的場所(16)の方に第1電磁波を送る工程;
第1レーダー感知アセンブリ(10;3104、3106;4100、4200)を使用して、第1標的場所(16)に反射する電磁波の第1エコーを受け取る工程;
前記電磁波の第1エコーを使用して、第1標的場所(16)までの複数の距離(12;22、30;42、50、60、70、80;4102、4202)を測定する工程;
第1レーダー感知アセンブリ(10;3104、3106;4100、4200)により測定した複数の距離(12;22、30;42、50、60、70、80;4102、4202)の差を計算することにより、異なる時点での第1標的場所(16)にある標的対象(14)の動作を定量化する工程;及び
計算される複数の距離(12;22、30;42、50、60、70、80;4102、4202)の差を使用して、第1標的場所(16)にいる標的対象(14)の動作を示す、1以上の第1定量化活動レベル値を生成する工程、
を含むことを特徴とする感知方法。 - 第1レーダー感知アセンブリ(10;3104、3106;4100、4200)により測定した、複数の距離(12;22、30;42、50、60、70、80;4102、4202)又は複数の距離(12;22、30;42、50、60、70、80;4102、4202)の差の少なくとも1つを使用して、人間の姿勢を判定する工程を更に含み、該姿勢は、人間が表面(20)に少なくとも立つ、座る、又は横たわる行為の少なくとも1つを含む、ことを特徴とする請求項12に記載の感知方法。
- 計算される複数の距離(12;22、30;42、50、60、70、80;4102、4202)又は複数の距離(12;22、30;42、50、60、70、80;4102、4202)の差の少なくとも1つを使用して、共通の標的場所(16)にある標的対象(14)の存在を判定する工程を更に含む、ことを特徴とする請求項12に記載の感知方法。
- 第2レーダー感知アセンブリ(10;3104、3106;4100、4200)から、第1標的場所(16)とは異なる第2標的場所(16)の方に第2電磁波を送る工程;
第2レーダー感知アセンブリ(10;3104、3106;4100、4200)を使用して、第2標的場所(16)に反射する第2電磁波の第2エコーを受け取る工程;
前記電磁波の第2エコーを使用して、第2標的場所(16)までの複数の距離(12;22、30;42、50、60、70、80;4102、4202)を測定する工程;
第2レーダー感知アセンブリ(10;3104、3106;4100、4200)により測定した複数の距離(12;22、30;42、50、60、70、80;4102、4202)の差を計算することにより、異なる時点での第2標的場所(16)にある標的対象(14)の動作を定量化する工程;
第2レーダー感知アセンブリ(10;3104、3106;4100、4200)により測定した複数の距離(12;22、30;42、50、60、70、80;4102、4202)の差を計算することにより、第2標的場所(16)にある標的対象(14)の動作を定量化する工程;及び
第2標的場所(16)にある標的対象(14)の動作を示す、1以上の第2定量化活動レベル値を生成する工程、
を更に含むことを特徴とする、請求項12に記載の感知方法。 - 前記第1定量化活動レベル値は、人間の第1身体部分(3100)の動作を表わし、前記第2定量化活動レベル値は、同じ人間の異なる第2本体部分(3102)の動作を表わす、ことを特徴とする請求項15に記載の感知方法。
- 第1定量化活動レベル値の少なくとも1つを使用して、又は経時的に標的対象の1以上の標的場所の位置を追跡することにより、転倒する人間を検知する工程を更に含む、ことを特徴とする請求項12に記載の感知方法。
- 第1レーダー感知アセンブリ(10;3104、3106;4100、4200)は、人間の胸部に位置する第1標的場所(16)までの複数の距離(12;22、30;42、50、60、70、80;4102、4202)を測定し:
前記方法は、
第1定量化活動レベル値として、複数の距離(12;22、30;42、50、60、70、80;4102、4202)の差から呼吸パターン信号(6304)を判定する工程;及び
呼吸パターン信号(6304)を使用して人間の呼吸を監視する工程、
を更に含むことを特徴とする請求項12に記載の感知方法。 - 第2定量化活動レベル値として、呼吸パターン信号(6304)から人間の心臓周期を表わす心臓信号(6310)を抽出する工程を更に含む、ことを特徴とする請求項18に記載の感知方法。
- 生のデータ信号(6300)から健康信号(6312)を抽出する工程を更に含み、ここで、健康信号(6312)は、人間の心臓周期を表わす心臓信号(6310)又は別の健康信号の少なくとも1つを含む、ことを特徴とする請求項18に記載の感知方法。
- 標的対象(14)は、第1レーダー感知アセンブリ(10;3104、3106;4100、4200)に対して移動しており:
前記方法は、
第2レーダー感知アセンブリ(10;3104、3106;4100、4200)から、同じ第1標的場所(16)の方に第2電磁波を送る工程;
第2レーダー感知アセンブリ(10;3104、3106;4100、4200)を使用して、第1標的場所(16)に反射する第2電磁波の第2エコーを受け取る工程;
前記電磁波の第2エコーを使用して、第1標的場所(16)までの複数の距離(12;22、30;42、50、60、70、80;4102、4202)を測定する工程;及び
第1レーダー感知アセンブリ(10;3104、3106;4100、4200)及び第2レーダー感知アセンブリ(10;3104、3106;4100、4200)により測定した距離(12;22、30;42、50、60、70、80;4102、4202)を使用して、標的対象(14)の動作経路を追跡する工程、
を更に含むことを特徴とする請求項12に記載の感知方法。 - 複数の異なる人間の動作に関連した一連の予め定めた動作パターンを蓄えるメモリーデバイス(7002)にアクセスする工程;及び
一連の予め定めた動作パターンにおける1以上の他の予め定めた動作パターンよりも、第1の人間に関連した第1の予め定めた動作パターンに密接して一致する、第1定量化活動レベル値に基づいて、標的対象(14)として第1の人間を識別する工程、
を更に含むことを特徴とする請求項12に記載の感知方法。 - 1以上のレーザー光源から第1標的場所(16)の方にレーザー光を生成する工程;
第1標的場所(16)に反射するレーザー光の定量化した量を検知する工程;及び
標的対象(14)の血液の酸素化レベルを計算するために、測定される複数の距離(12;22、30;42、50、60、70、80;4102、4202)の1以上を使用して、レーザー光の反射の定量化した量を補正する工程、
を更に含むことを特徴とする請求項12に記載の感知方法。 - 1以上のレーザー光源から第1標的場所(16)の方にレーザー光を生成する工程;
第1標的場所(16)に反射するレーザー光を検知する工程;及び
標的対象(14)の血液の酸素化レベルを判定するために、第1定量化活動レベル値をレーザー光の反射と相互に関連付ける工程、
を更に含むことを特徴とする請求項12に記載の感知方法。
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- 2013-10-03 WO PCT/US2013/063253 patent/WO2014055755A1/en active Application Filing
- 2013-10-03 EP EP20196709.8A patent/EP3828591A1/en not_active Withdrawn
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Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US11719800B2 (en) | 2011-02-21 | 2023-08-08 | TransRobotics, Inc. | System and method for sensing distance and/or movement |
US11717189B2 (en) | 2012-10-05 | 2023-08-08 | TransRobotics, Inc. | Systems and methods for high resolution distance sensing and applications |
US12042270B2 (en) | 2012-10-05 | 2024-07-23 | TransRobotics, Inc. | Systems and methods for high resolution distance sensing and applications |
US11703593B2 (en) | 2019-04-04 | 2023-07-18 | TransRobotics, Inc. | Technologies for acting based on object tracking |
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US12042270B2 (en) | 2024-07-23 |
EP3828591A1 (en) | 2021-06-02 |
JP2021053410A (ja) | 2021-04-08 |
US20230397842A1 (en) | 2023-12-14 |
JP2015533567A (ja) | 2015-11-26 |
US11717189B2 (en) | 2023-08-08 |
JP2018075406A (ja) | 2018-05-17 |
JP2019209168A (ja) | 2019-12-12 |
US20150223733A1 (en) | 2015-08-13 |
US10206610B2 (en) | 2019-02-19 |
WO2014055755A1 (en) | 2014-04-10 |
JP6577995B2 (ja) | 2019-09-18 |
US20190117130A1 (en) | 2019-04-25 |
US20240366115A1 (en) | 2024-11-07 |
EP2904420A4 (en) | 2016-05-25 |
EP2904420A1 (en) | 2015-08-12 |
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