JP2014170001A - 物体検出照明システム及び方法 - Google Patents
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- G01S17/00—Systems using the reflection or reradiation of electromagnetic waves other than radio waves, e.g. lidar systems
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- G01S17/06—Systems determining position data of a target
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- G01S17/02—Systems using the reflection of electromagnetic waves other than radio waves
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- G01S17/42—Simultaneous measurement of distance and other co-ordinates
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- G—PHYSICS
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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
- G01S17/00—Systems using the reflection or reradiation of electromagnetic waves other than radio waves, e.g. lidar systems
- G01S17/88—Lidar systems specially adapted for specific applications
- G01S17/93—Lidar systems specially adapted for specific applications for anti-collision purposes
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- G—PHYSICS
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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
- G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
- G01S7/48—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S17/00
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- 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
- G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
- G01S7/48—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S17/00
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- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W40/00—Estimation or calculation of non-directly measurable driving parameters for road vehicle drive control systems not related to the control of a particular sub unit, e.g. by using mathematical models
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Abstract
【解決手段】物体検出照明システム(10)は、可視光を放射する光源(12)を含む。この光源(12)には光源コントローラ(14)が接続され、所定モードにおいて可視光を放射するように光源(12)を駆動させる。光源(12)に対して光学検出器(16)が配置され、これは、物体(A)により反射/後方散乱された可視光を検出する。光源コントローラ(14)及び光学検出器(16)にはデータ/信号プロセッサ(18)が接続されて、光学検出器(16)からの検出データを受け取る。データ/信号プロセッサ(18)は、物体(A)に関連したデータ出力を、所定モード及び検出データの関数として発生する。
【選択図】図1
Description
両駆動信号は、独立して発生することもできるし、組み合わせて発生することもできる。
駆動信号のシーケンスは、データ/信号プロセッサ18により制御される。
この構成は、光源12が照明素子又はそのグループであって、変調又はパルス化光源の考えられる低い輝度、二次光源光学系のより精巧な設計、及び当該空間体積部の順次の調査を犠牲にして、検出ステージ設計を簡単化するような用途に良く適応される。
自動車産業及び都市の電力管理効率の分野では解決策が求められており、照明システム10は、このような用途に特に良く適している。例えば、自動車産業は、衝突回避システム及び適応クルーズコントロールのために、自動車及び自動車の周りの歩行者までの距離を検出し測定して乗物の速度及びブレーキを自動的に制御するための自動手段を探している。これらの衝突は、毎年、多くの死傷者の原因を招いている。
エネルギーのコストが上昇しているために、エネルギー消費が益々問題になっている。
効率的な街路灯電力消費、ひいては、都市のエネルギー予算は、LEDがこの用途に広がったときにそれらから利益を得ている。光レベルの制御は、数分程度の再起時間を有する現在のナトリウム灯に比して、LEDでは容易に達成される。したがって、LEDでは、これらライトの下を市民が歩き回らないときに街路灯のレベルを制御することが実現可能となり、これも、エネルギーの節約となる。
家やオフィスの内外に使用するライトの場合には、2つのことを考慮しなければならない。輝度を調整する能力は、良好なエネルギー使用を許す一方、検出能力は、セキュリティシステムのための部屋使用及び監視感知に関係した光の輝度の調整を許す。家の内外で使用される現在の照明システムは、光レベルの自動調整を行わず、或いはそれを行ったとしても、通常、ライトのエンクロージャーそれ自体とは別に一体化されるIR移動検出器を使用するか、又は実際の照明それ自体の検出をベースとしていない。これは、より高い製造及び設置コストを招く。
Claims (15)
- 可視光を用いて物体を検出する方法であって、
照明モードにおいて可視的であるという第1の機能を有する可視光を発するように構成された可視光光源を準備する段階と、
前記可視光光源に光源コントローラを接続する段階と、
前記証明モードにおいて可視光を発して周囲を明るくするように前記可視光光源を動作させる段階と、
所定のモードにおいて可視光を発するように前記光源コントローラを用いて前記可視光光源を駆動する段階であって、前記所定モードにおける可視光は、前記光源が前記光源コントローラにより駆動されているときに肉眼の人間の眼に見えるという前記第1の機能を維持するように、発せられる段階と、
前記発せられた可視光の物体からの反射/後方散乱を受ける段階と、
前記受けた反射/後方散乱及び前記所定のモードの関数として前記物体の位置を識別する段階と、
を含むことを特徴とする方法。 - 前記第1の機能が、前記可視光光源の周囲を明るくすること、及び、前記周囲にいる人間に信号を発すること、のうちの少なくとも一方である、請求項1に記載の方法。
- 前記接続する段階が、前記光源コントローラを既存の可視光光源に組み込むことを含む、請求項1に記載の方法。
- 前記所定モードにおいて前記可視光光源を駆動する段階が、前記可視光をパルス化すること及び変調することのうちの少なくとも一方を含む、請求項1に記載の方法。
- 前記反射/後方散乱を受ける段階が、所定の光波長をフィルタ除去することを含む、請求項1に記載の方法。
- 前記位置を識別する段階が、前記物体の距離を計算することを含む、請求項1に記載の方法。
- 前記物体の距離を計算することは、前記可視光を発することと該物体から前記反射/後方散乱を受けることとの間における時間遅延を測定することにより実行される、請求項6に記載の方法。
- 前記物体の前記位置の関数としてアクションをトリガする段階を更に含む、請求項1に記載の方法。
- 周囲を明るくすること及び該周囲にいる人間に信号を発することのうちの少なくとも一方である、照明モードにおいて可視光を発するという第1の機能を有する、可視光を発する光源と、
所定のモードにおいて前記可視光を発するように前記光源を駆動する光源コントローラであって、前記所定モードにおける可視光は、前記光源が当該光源コントローラにより駆動されているときに周囲を明るくする又は肉眼の人間の眼に見える信号を発するという前記第1の機能維持するようになっている、光源コントローラと、
前記光源に対向するように配置され、物体により反射させられた/後方散乱させられた可視光を検出するように構成された、光学検出器と、
該光学検出器から検出データを受信し、前記所定モード及び該検出データの関数として前記物体に関連したデータ出力を生成する、データ/信号プロセッサと、
を具備することを特徴とする物体検出照明システム。 - 前記光学検出器は、前記光源により発せられた広い範囲の光をカバーするように、狭い範囲を検出する各々のサブ検出器を結合させた複数のサブ検出器を有する、請求項9に記載の物体検出照明システム。
- 前記光源により発せられた光の照射範囲内において前記光学検出器の視野におけるスキャニング動作を生じさせるように該光学検出器に結合したスキャニングメカニズムをさらに具備する、請求項9に記載の物体検出照明システム。
- 前記光学検出器が複数のサブ検出器のアレイを有する、請求項9に記載の物体検出照明システム。
- 前記光源コントローラが、前記所定モードにおいて可視光を発するように前記光源を駆動するパルス/変調ドライバと、周囲を明るくするのに適した強度の可視光を発するように前記光源を駆動する照明ドライバと、を有する、請求項9に記載の物体検出照明システム。
- 前記光源が複数の光を発するものであり、該光源の複数の光のうちの少なくとも1つは、前記照明ドライバにより駆動されて周囲を明るくするものであり、該光源の複数の光のうちの少なくとも1つは、前記パルス/変調ドライバにより駆動されて前記所定モードにおいて前記可視光を発するものである、請求項13に記載の物体検出照明システム。
- 前記光学検出器が、前記反射させられた/後方散乱させられた可視光の与えられた光波長をフィルタ除去するフィルタリング装置を有する、請求項9に記載の物体検出照明システム。
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WO2017060976A1 (ja) * | 2015-10-06 | 2017-04-13 | パイオニア株式会社 | 光制御装置、光制御方法およびプログラム |
JPWO2017060976A1 (ja) * | 2015-10-06 | 2018-08-02 | パイオニア株式会社 | 光制御装置、光制御方法およびプログラム |
US11294038B2 (en) | 2015-10-06 | 2022-04-05 | Pioneer Corporation | Light control device, light control method and program |
KR101958315B1 (ko) * | 2017-12-07 | 2019-03-14 | 주식회사 에스원 | 가시광선의 빛 흐름에 따른 움직임 감시 방법 및 이를 이용한 움직임 감시 시스템 |
Also Published As
Publication number | Publication date |
---|---|
EP1969395A4 (en) | 2010-09-08 |
JP2009520194A (ja) | 2009-05-21 |
CN101356450A (zh) | 2009-01-28 |
EP1969395A1 (en) | 2008-09-17 |
US7855376B2 (en) | 2010-12-21 |
US20070228262A1 (en) | 2007-10-04 |
CN101356450B (zh) | 2015-08-05 |
CA2633377C (en) | 2016-05-10 |
WO2007071032A1 (en) | 2007-06-28 |
CA2633377A1 (en) | 2007-06-28 |
EP1969395B1 (en) | 2017-08-09 |
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