JP7341616B2 - 変位測定装置 - Google Patents
変位測定装置 Download PDFInfo
- Publication number
- JP7341616B2 JP7341616B2 JP2020050334A JP2020050334A JP7341616B2 JP 7341616 B2 JP7341616 B2 JP 7341616B2 JP 2020050334 A JP2020050334 A JP 2020050334A JP 2020050334 A JP2020050334 A JP 2020050334A JP 7341616 B2 JP7341616 B2 JP 7341616B2
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- JP
- Japan
- Prior art keywords
- measuring device
- displacement
- displacement measuring
- radio waves
- members
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 238000006073 displacement reaction Methods 0.000 title claims description 58
- 239000000463 material Substances 0.000 claims description 10
- 230000035699 permeability Effects 0.000 claims description 10
- 238000001514 detection method Methods 0.000 claims description 6
- 239000004020 conductor Substances 0.000 claims description 5
- 239000000696 magnetic material Substances 0.000 claims description 5
- 230000005540 biological transmission Effects 0.000 claims description 2
- 238000005259 measurement Methods 0.000 description 8
- 238000010586 diagram Methods 0.000 description 7
- 230000035515 penetration Effects 0.000 description 6
- 230000001186 cumulative effect Effects 0.000 description 1
- 230000002542 deteriorative effect Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Images
Classifications
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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
- G01S13/00—Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
- G01S13/02—Systems using reflection of radio waves, e.g. primary radar systems; Analogous systems
- G01S13/04—Systems determining presence of a target
-
- 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
- G01S13/00—Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
- G01S13/02—Systems using reflection of radio waves, e.g. primary radar systems; Analogous systems
- G01S13/06—Systems determining position data of a target
- G01S13/08—Systems for measuring distance only
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L5/00—Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes
-
- 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
- G01S13/00—Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
- G01S13/02—Systems using reflection of radio waves, e.g. primary radar systems; Analogous systems
- G01S13/50—Systems of measurement based on relative movement of target
- G01S13/52—Discriminating between fixed and moving objects or between objects moving at different speeds
- G01S13/56—Discriminating between fixed and moving objects or between objects moving at different speeds for presence detection
-
- 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
- G01S13/00—Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
- G01S13/74—Systems using reradiation of radio waves, e.g. secondary radar systems; Analogous systems
- G01S13/75—Systems using reradiation of radio waves, e.g. secondary radar systems; Analogous systems using transponders powered from received waves, e.g. using passive transponders, or using passive reflectors
-
- 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
- G01S7/02—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S13/00
- G01S7/03—Details of HF subsystems specially adapted therefor, e.g. common to transmitter and receiver
-
- 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
- G01S7/02—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S13/00
- G01S7/41—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S13/00 using analysis of echo signal for target characterisation; Target signature; Target cross-section
- G01S7/411—Identification of targets based on measurements of radar reflectivity
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q15/00—Devices for reflection, refraction, diffraction or polarisation of waves radiated from an antenna, e.g. quasi-optical devices
- H01Q15/14—Reflecting surfaces; Equivalent structures
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
- B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
- B60N2/002—Seats provided with an occupancy detection means mounted therein or thereon
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- 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
- B60W40/08—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 related to drivers or passengers
- B60W2040/0881—Seat occupation; Driver or passenger presence
Landscapes
- Engineering & Computer Science (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Computer Networks & Wireless Communication (AREA)
- Electromagnetism (AREA)
- Seats For Vehicles (AREA)
- Radar Systems Or Details Thereof (AREA)
- Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
Description
10 反射シート
12 反射部材
20 レーダー
21 信号源
22 送信アンテナ(TX)
23 受信アンテナ(RX)
24 ミキサ
25 距離算出部
30 変位分布測定部
100 座席シート
110 シートクッション
120 シートバック
200 天井
Claims (9)
- 検出対象物に配置された複数の反射部材と、
前記複数の反射部材のそれぞれに向けて、人体を通過可能な所定周波数の電波を送信する送信部と、
前記複数の反射部材のそれぞれによって反射されて戻ってくる前記所定周波数の電波を受信する受信部と、
前記送信部から送信された電波が前記受信部に戻ってくるまでの時間情報に基づいて前記複数の反射部材までの距離情報を算出する距離算出部と、
前記距離情報に基づいて、前記複数の反射部材のそれぞれの変位量を算出する変位算出部と、
を備えることを特徴とする変位測定装置。 - 前記複数の反射部材は、等間隔に配置されていることを特徴とする請求項1に記載の変位測定装置。
- 前記複数の反射部材の全体が、シート状の柔軟性を有する材料で覆われていることを特徴とする請求項1または2に記載の変位測定装置。
- 前記複数の反射部材のそれぞれの間を埋める前記材料のポアソン比は所定値以上であることを特徴とする請求項3に記載の変位測定装置。
- 前記所定周波数の電波はミリ波であることを特徴とする請求項1~4のいずれか一項に記載の変位測定装置。
- 前記所定周波数の電波は、27GHz帯あるいは60GHz帯の電波であることを特徴とする請求項5に記載の変位測定装置。
- 前記反射部材は、導電率が所定値以上の導電性材料であることを特徴とする請求項1~6のいずれか一項に記載の変位測定装置。
- 前記反射部材は、透磁率が所定値以上の磁性体材料であることを特徴とする請求項1~7のいずれか一項に記載の変位測定装置。
- 前記検出対象物は、車両の座席シートであり、
前記送信部と前記受信部は、車両の天井に設けられていることを特徴とする請求項1~8のいずれか一項に記載の変位測定装置。
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2020050334A JP7341616B2 (ja) | 2020-03-20 | 2020-03-20 | 変位測定装置 |
US17/167,274 US20210293945A1 (en) | 2020-03-20 | 2021-02-04 | Displacement measuring apparatus |
EP21159824.8A EP3882660A1 (en) | 2020-03-20 | 2021-03-01 | Displacement measuring apparatus |
CN202110274299.XA CN113495265A (zh) | 2020-03-20 | 2021-03-15 | 位移测量装置 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2020050334A JP7341616B2 (ja) | 2020-03-20 | 2020-03-20 | 変位測定装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2021146952A JP2021146952A (ja) | 2021-09-27 |
JP7341616B2 true JP7341616B2 (ja) | 2023-09-11 |
Family
ID=74844757
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2020050334A Active JP7341616B2 (ja) | 2020-03-20 | 2020-03-20 | 変位測定装置 |
Country Status (4)
Country | Link |
---|---|
US (1) | US20210293945A1 (ja) |
EP (1) | EP3882660A1 (ja) |
JP (1) | JP7341616B2 (ja) |
CN (1) | CN113495265A (ja) |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2003194922A (ja) | 2001-12-28 | 2003-07-09 | Mitsubishi Electric Corp | 車室内物体検知装置 |
JP2005082147A (ja) | 2003-09-09 | 2005-03-31 | Siemens Ag | 交通手段の座席上のオブジェクトまたは人の認識装置および方法 |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3171030B2 (ja) * | 1994-10-28 | 2001-05-28 | トヨタ自動車株式会社 | 乗員検知装置及びこれを用いた補機制御装置 |
JP3838815B2 (ja) * | 1999-05-10 | 2006-10-25 | 日本電気株式会社 | 携帯電話機 |
DE10254198B4 (de) * | 2002-11-20 | 2006-04-20 | Siemens Ag | Vorrichtung und Verfahren zum Erkennen der Sitzbelegung in einem Fahrzeug |
US7084836B2 (en) * | 2003-05-15 | 2006-08-01 | Espenscheid Mark W | Flat panel antenna array |
DE102004046189A1 (de) * | 2004-09-23 | 2006-04-06 | Siemens Ag | Verfahren zum Auswerten von Reflektorantwortsignalen eines Systems zur Erkennung einer Sitzbelegung eines Sitzes |
JP6876284B2 (ja) | 2016-12-28 | 2021-05-26 | 株式会社槌屋 | シート装置 |
JP6985586B2 (ja) | 2017-03-28 | 2021-12-22 | テイ・エス テック株式会社 | 乗物用シート |
JP2019168379A (ja) * | 2018-03-26 | 2019-10-03 | アイシン精機株式会社 | 生体検知システム |
US11378671B1 (en) * | 2018-08-16 | 2022-07-05 | Edge 3 Technologies | Coarse to fine movement detection in vehicles |
US20200249337A1 (en) * | 2019-01-31 | 2020-08-06 | Novelic D.O.O. | Radar based inverse detection sensor system |
US11543511B2 (en) * | 2019-03-11 | 2023-01-03 | Panasonic Intellectual Property Management Co., Ltd. | Radar apparatus and vehicle |
-
2020
- 2020-03-20 JP JP2020050334A patent/JP7341616B2/ja active Active
-
2021
- 2021-02-04 US US17/167,274 patent/US20210293945A1/en not_active Abandoned
- 2021-03-01 EP EP21159824.8A patent/EP3882660A1/en active Pending
- 2021-03-15 CN CN202110274299.XA patent/CN113495265A/zh active Pending
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2003194922A (ja) | 2001-12-28 | 2003-07-09 | Mitsubishi Electric Corp | 車室内物体検知装置 |
JP2005082147A (ja) | 2003-09-09 | 2005-03-31 | Siemens Ag | 交通手段の座席上のオブジェクトまたは人の認識装置および方法 |
Also Published As
Publication number | Publication date |
---|---|
JP2021146952A (ja) | 2021-09-27 |
US20210293945A1 (en) | 2021-09-23 |
CN113495265A (zh) | 2021-10-12 |
EP3882660A1 (en) | 2021-09-22 |
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