JP6871823B2 - 果実生育監視システム、及び果実生育監視方法 - Google Patents
果実生育監視システム、及び果実生育監視方法 Download PDFInfo
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- 241000675108 Citrus tangerina Species 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
- G01N29/04—Analysing solids
- G01N29/11—Analysing solids by measuring attenuation of acoustic waves
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G7/00—Botany in general
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01G—WEIGHING
- G01G17/00—Apparatus for or methods of weighing material of special form or property
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01G—WEIGHING
- G01G3/00—Weighing apparatus characterised by the use of elastically-deformable members, e.g. spring balances
- G01G3/12—Weighing apparatus characterised by the use of elastically-deformable members, e.g. spring balances wherein the weighing element is in the form of a solid body stressed by pressure or tension during weighing
- G01G3/16—Weighing apparatus characterised by the use of elastically-deformable members, e.g. spring balances wherein the weighing element is in the form of a solid body stressed by pressure or tension during weighing measuring variations of frequency of oscillations of the body
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01H—MEASUREMENT OF MECHANICAL VIBRATIONS OR ULTRASONIC, SONIC OR INFRASONIC WAVES
- G01H13/00—Measuring resonant frequency
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01H—MEASUREMENT OF MECHANICAL VIBRATIONS OR ULTRASONIC, SONIC OR INFRASONIC WAVES
- G01H3/00—Measuring characteristics of vibrations by using a detector in a fluid
- G01H3/04—Frequency
- G01H3/06—Frequency by electric means
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
- G01N29/04—Analysing solids
- G01N29/045—Analysing solids by imparting shocks to the workpiece and detecting the vibrations or the acoustic waves caused by the shocks
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
- G01N29/04—Analysing solids
- G01N29/12—Analysing solids by measuring frequency or resonance of acoustic waves
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
- G01N29/22—Details, e.g. general constructional or apparatus details
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
- G01N29/44—Processing the detected response signal, e.g. electronic circuits specially adapted therefor
- G01N29/46—Processing the detected response signal, e.g. electronic circuits specially adapted therefor by spectral analysis, e.g. Fourier analysis or wavelet analysis
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/0098—Plants or trees
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/02—Food
- G01N33/025—Fruits or vegetables
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N5/00—Analysing materials by weighing, e.g. weighing small particles separated from a gas or liquid
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2291/00—Indexing codes associated with group G01N29/00
- G01N2291/02—Indexing codes associated with the analysed material
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- G01N2291/02466—Biological material, e.g. blood
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2291/00—Indexing codes associated with group G01N29/00
- G01N2291/26—Scanned objects
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- Chemical & Material Sciences (AREA)
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- General Health & Medical Sciences (AREA)
- Immunology (AREA)
- Engineering & Computer Science (AREA)
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- Acoustics & Sound (AREA)
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- Mathematical Physics (AREA)
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- Biodiversity & Conservation Biology (AREA)
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- Forests & Forestry (AREA)
- Environmental Sciences (AREA)
- Wood Science & Technology (AREA)
- Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
Description
植物に着生している果実と茎との間にある果柄又は枝に対して所定の振動を与える加振機と、
前記加振機が与えた振動により生じる前記果柄又は枝の振動を検出する振動センサと、
前記振動センサが検知した振動の周波数に基づいて、前記果実の重量又は重量変化を検出する検出部と、
を備える。
したがって、果実の肥大に伴う重量変化又は重量を監視することができ、肥大過程における果実の生育状況を監視する果実生育監視システム、及び監視方法を提供することが可能となる。
植物に着生している果実P1と茎P2との間にある果柄P3又は枝P4に対して所定の振動を与える加振機10と、
加振機10が与えた振動により生じる果柄P3又は枝P4の振動を検出する振動センサ11と、
振動センサ11が検知した振動の周波数に基づいて、果実P1の重量変化を検出する検出部12と、
を備える。
植物に着生している果実P1と茎P2との間にある果柄P3又は枝P4に対して加振機10が所定の振動を与えるステップと、
加振機10が与えた振動により生じる果柄P3又は枝P4の振動を振動センサ11が検出するステップと、
振動センサ11が検知した振動の周波数に基づいて、果実の重量変化を検出するステップと、
を含む。
したがって、果実P1の肥大に伴う重量変化を監視することができ、肥大過程における果実の生育状況を監視する果実生育監視システム、及び監視方法を提供することが可能となる。
本実施形態の方法は、単位期間あたりの周波数変化量が所定値以下になったときに、肥大過程から熟成過程に移行したと判定するステップを含む。
10 加振機
11 振動センサ
12 検出部
13 生育状況判定部
14 ユニット部材
P1 果実
P2 茎
P3 果柄
P4 枝
Claims (5)
- 植物に着生している果実と茎との間にある果柄又は枝に対して所定の振動を与える加振機と、
前記加振機が与えた振動により生じる前記果柄又は枝の振動を検出する振動センサと、
前記振動センサが検知した振動の周波数に基づいて、前記果実の重量又は重量変化を検出する検出部と、
を備える、果実生育監視システム。 - 複数回振動を検出し、各々の振動の周波数の変化量に基づいて重量変化を検知する、請求項1に記載のシステム。
- 単位期間あたりの周波数変化量が所定値以下になったときに、肥大過程から熟成過程に移行したと判定する生育状況判定部を備える、請求項1又は2に記載のシステム。
- 前記加振機及び前記振動センサは、ユニット部材に固定され、前記ユニット部材を介して前記果柄又は前記枝に取り付けられている、請求項1〜3のいずれかに記載のシステム。
- 植物に着生している果実と茎との間にある果柄又は枝に対して加振機が所定の振動を与えるステップと、
前記加振機が与えた振動により生じる前記果柄又は枝の振動を振動センサが検出するステップと、
前記振動センサが検知した振動の周波数に基づいて、前記果実の重量又は重量変化を検出するステップと、
を含む、果実生育監視方法。
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
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JP2017155265A JP6871823B2 (ja) | 2017-08-10 | 2017-08-10 | 果実生育監視システム、及び果実生育監視方法 |
US16/637,637 US11255822B2 (en) | 2017-08-10 | 2018-07-19 | Fruit growth monitoring system and fruit growth monitoring method |
PCT/JP2018/027062 WO2019031181A1 (ja) | 2017-08-10 | 2018-07-19 | 果実生育監視システム、及び果実生育監視方法 |
CN201880023586.XA CN110892262B (zh) | 2017-08-10 | 2018-07-19 | 果实生长发育监视***和果实生长发育监视方法 |
EP18843675.2A EP3667312A4 (en) | 2017-08-10 | 2018-07-19 | FRUIT GROWTH MONITORING SYSTEM AND FRUIT GROWTH MONITORING METHOD |
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JP2017155265A JP6871823B2 (ja) | 2017-08-10 | 2017-08-10 | 果実生育監視システム、及び果実生育監視方法 |
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JP2019033672A JP2019033672A (ja) | 2019-03-07 |
JP6871823B2 true JP6871823B2 (ja) | 2021-05-12 |
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US (1) | US11255822B2 (ja) |
EP (1) | EP3667312A4 (ja) |
JP (1) | JP6871823B2 (ja) |
CN (1) | CN110892262B (ja) |
WO (1) | WO2019031181A1 (ja) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP7152100B2 (ja) | 2018-03-16 | 2022-10-12 | ミツミ電機株式会社 | センシングシステム、センシング方法、および非一時的コンピューター可読媒体 |
JP6795050B2 (ja) | 2019-03-14 | 2020-12-02 | 日本電気株式会社 | 植物監視装置、植物監視方法、及びプログラム |
JP6795049B2 (ja) * | 2019-03-14 | 2020-12-02 | 日本電気株式会社 | 植物監視装置、植物監視方法、及びプログラム |
US11343976B2 (en) * | 2019-09-24 | 2022-05-31 | Haier Us Appliance Solutions, Inc. | Indoor garden center with a plant pod detection system |
AT523341B1 (de) * | 2019-12-20 | 2023-06-15 | Vorhemus Christian | Gerät zur automatisierten nichtinvasiven Bestimmung des Reifegrades von Früchten |
CN111307215A (zh) * | 2020-03-11 | 2020-06-19 | 中国农业科学院农业信息研究所 | 一种苹果生产监测管理*** |
NL2026453B1 (en) | 2020-09-11 | 2022-05-12 | Univ Delft Tech | Method for determining physical parameters of vascular tissue of a plant |
CN113099847B (zh) * | 2021-05-25 | 2022-03-08 | 广东技术师范大学 | 一种基于果实三维参数预测模型的果实采摘方法 |
CN113997287B (zh) * | 2021-10-29 | 2022-11-15 | 广东技术师范大学 | 一种基于视觉伺服控制机器人的果实采摘方法 |
Family Cites Families (28)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2064770A (en) * | 1980-04-15 | 1981-06-17 | Sinar Agritec Ltd | Improvements relating to weighing devices |
JPS603524A (ja) * | 1983-06-21 | 1985-01-09 | Ishida Scales Mfg Co Ltd | 計量装置 |
JPS60133320A (ja) * | 1983-12-22 | 1985-07-16 | Ishida Scales Mfg Co Ltd | 荷重検出器 |
SU1291866A1 (ru) * | 1984-02-20 | 1987-02-23 | Московский институт инженеров сельскохозяйственного производства им.В.П.Горячкина | Способ определени зрелости и поврежденности плодов |
CN1016638B (zh) * | 1986-08-19 | 1992-05-13 | 传感器国际公司 | 振动型力测定设备 |
JPH07229834A (ja) * | 1994-02-16 | 1995-08-29 | Techno Ishii:Kk | 枝なり果菜物の熟度測定装置 |
FR2762094B1 (fr) * | 1997-04-10 | 1999-05-21 | Automation Et Dev Ind Du Sud | Capteur de surveillance de la maturation de fruits sur l'arbre |
JPH11183443A (ja) * | 1997-12-22 | 1999-07-09 | Matsushita Electric Ind Co Ltd | 果実の熟度測定方法 |
US6276536B1 (en) * | 1998-03-31 | 2001-08-21 | Matsushita Electric Industrial Co., Ltd. | Method of measuring ripeness and texture of vegetable or fruit and measuring instrument |
EP1076228A1 (en) * | 1999-07-06 | 2001-02-14 | Nederlandse Organisatie Voor Toegepast-Natuurwetenschappelijk Onderzoek Tno | A method and an apparatus for directly measuring the mass of an object |
JP2002165522A (ja) * | 2000-11-30 | 2002-06-11 | Katsuzo Okada | 植物の成長促進法 |
JP2004101452A (ja) * | 2002-09-12 | 2004-04-02 | Green Best:Kk | 青果物の熟成度測定方法及び装置 |
CA2442234A1 (en) * | 2002-09-29 | 2004-03-29 | D.A.T.A. Diamond Advanced Technology Ltd. | Apparatus for measuring the weight of small items |
JP4222513B2 (ja) * | 2003-08-19 | 2009-02-12 | 日本碍子株式会社 | 質量測定装置および方法 |
JP2006300724A (ja) | 2005-04-20 | 2006-11-02 | Sealive Inc | 熟度判定装置 |
JP5119392B2 (ja) | 2007-02-26 | 2013-01-16 | 井関農機株式会社 | 果実収穫ロボットとイチゴ栽培施設 |
JP5019120B2 (ja) * | 2007-03-16 | 2012-09-05 | 独立行政法人産業技術総合研究所 | 検出センサ |
JP5615736B2 (ja) * | 2011-02-25 | 2014-10-29 | 学校法人成蹊学園 | 防犯システム及び防犯プログラム |
CN102269615B (zh) * | 2011-05-07 | 2012-11-14 | 大连理工大学 | 一种基于槽型悬臂梁结构的微质量传感器 |
US9322701B2 (en) * | 2013-08-02 | 2016-04-26 | Qualcomm Incorporated | Dynamic force sensing to determine mass using a smartphone |
US20170163439A1 (en) * | 2013-11-14 | 2017-06-08 | LIFI Labs, Inc. | Lighting system |
US11455884B2 (en) * | 2014-09-02 | 2022-09-27 | LIFI Labs, Inc. | Lighting system |
JP6426341B2 (ja) * | 2013-12-13 | 2018-11-21 | 学校法人桐蔭学園 | 植物の健康状態の評価方法および評価装置ならびに植物の栽培方法 |
JP6356909B2 (ja) * | 2015-04-23 | 2018-07-11 | 株式会社東芝 | クライアントシステム、クライアントシステムの管理方法、システムコントローラ |
CN204694331U (zh) * | 2015-06-02 | 2015-10-07 | 上海乾菲诺农业科技有限公司 | 一种原位检测果实重量的装置 |
US20210073692A1 (en) * | 2016-06-12 | 2021-03-11 | Green Grid Inc. | Method and system for utility infrastructure condition monitoring, detection and response |
WO2019092707A1 (en) * | 2017-11-07 | 2019-05-16 | Dr. Eyal Bressler Ltd. | Integrated system for controlling, detecting, monitoring, evaluating and treating crop pests |
JP6795050B2 (ja) * | 2019-03-14 | 2020-12-02 | 日本電気株式会社 | 植物監視装置、植物監視方法、及びプログラム |
-
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-
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- 2018-07-19 US US16/637,637 patent/US11255822B2/en active Active
- 2018-07-19 WO PCT/JP2018/027062 patent/WO2019031181A1/ja unknown
- 2018-07-19 EP EP18843675.2A patent/EP3667312A4/en active Pending
- 2018-07-19 CN CN201880023586.XA patent/CN110892262B/zh active Active
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CN110892262A (zh) | 2020-03-17 |
EP3667312A4 (en) | 2021-04-07 |
US11255822B2 (en) | 2022-02-22 |
CN110892262B (zh) | 2022-06-03 |
JP2019033672A (ja) | 2019-03-07 |
US20200271625A1 (en) | 2020-08-27 |
WO2019031181A1 (ja) | 2019-02-14 |
EP3667312A1 (en) | 2020-06-17 |
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