WO2020071242A1 - 電子機器、電子機器の制御方法、及び電子機器の制御プログラム - Google Patents
電子機器、電子機器の制御方法、及び電子機器の制御プログラムInfo
- Publication number
- WO2020071242A1 WO2020071242A1 PCT/JP2019/037917 JP2019037917W WO2020071242A1 WO 2020071242 A1 WO2020071242 A1 WO 2020071242A1 JP 2019037917 W JP2019037917 W JP 2019037917W WO 2020071242 A1 WO2020071242 A1 WO 2020071242A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- transmission
- electronic device
- wave
- control unit
- signal
- Prior art date
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Classifications
-
- 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
- G01S13/32—Systems for measuring distance only using transmission of continuous waves, whether amplitude-, frequency-, or phase-modulated, or unmodulated
- G01S13/34—Systems for measuring distance only using transmission of continuous waves, whether amplitude-, frequency-, or phase-modulated, or unmodulated using transmission of continuous, frequency-modulated waves while heterodyning the received signal, or a signal derived therefrom, with a locally-generated signal related to the contemporaneously transmitted signal
- G01S13/343—Systems for measuring distance only using transmission of continuous waves, whether amplitude-, frequency-, or phase-modulated, or unmodulated using transmission of continuous, frequency-modulated waves while heterodyning the received signal, or a signal derived therefrom, with a locally-generated signal related to the contemporaneously transmitted signal using sawtooth modulation
-
- 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
- G01S7/35—Details of non-pulse systems
-
- 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
- G01S7/40—Means for monitoring or calibrating
-
- 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
- G01S13/88—Radar or analogous systems specially adapted for specific applications
- G01S13/93—Radar or analogous systems specially adapted for specific applications for anti-collision purposes
- G01S13/931—Radar or analogous systems specially adapted for specific applications for anti-collision purposes of land vehicles
-
- 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
- G01S13/88—Radar or analogous systems specially adapted for specific applications
- G01S13/93—Radar or analogous systems specially adapted for specific applications for anti-collision purposes
- G01S13/931—Radar or analogous systems specially adapted for specific applications for anti-collision purposes of land vehicles
- G01S2013/9314—Parking operations
-
- 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
- G01S13/88—Radar or analogous systems specially adapted for specific applications
- G01S13/93—Radar or analogous systems specially adapted for specific applications for anti-collision purposes
- G01S13/931—Radar or analogous systems specially adapted for specific applications for anti-collision purposes of land vehicles
- G01S2013/9315—Monitoring blind spots
-
- 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
- G01S13/88—Radar or analogous systems specially adapted for specific applications
- G01S13/93—Radar or analogous systems specially adapted for specific applications for anti-collision purposes
- G01S13/931—Radar or analogous systems specially adapted for specific applications for anti-collision purposes of land vehicles
- G01S2013/9322—Radar or analogous systems specially adapted for specific applications for anti-collision purposes of land vehicles using additional data, e.g. driver condition, road state or weather data
-
- 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
- G01S13/88—Radar or analogous systems specially adapted for specific applications
- G01S13/93—Radar or analogous systems specially adapted for specific applications for anti-collision purposes
- G01S13/931—Radar or analogous systems specially adapted for specific applications for anti-collision purposes of land vehicles
- G01S2013/9327—Sensor installation details
- G01S2013/93271—Sensor installation details in the front of the vehicles
-
- 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
- G01S13/88—Radar or analogous systems specially adapted for specific applications
- G01S13/93—Radar or analogous systems specially adapted for specific applications for anti-collision purposes
- G01S13/931—Radar or analogous systems specially adapted for specific applications for anti-collision purposes of land vehicles
- G01S2013/9327—Sensor installation details
- G01S2013/93272—Sensor installation details in the back of the vehicles
Definitions
- the electronic device 1 may be arranged outside or inside the moving body 100.
- the electronic device 1 receives a reflected wave of the transmission wave transmitted from the transmission antenna of the sensor 5 from the reception antenna.
- the electronic device 1 can detect the predetermined object 200 existing within a predetermined distance from the moving body 100.
- the electronic device 1 can measure a distance L between a moving object 100 that is a host vehicle and a predetermined object 200.
- the electronic device 1 can also measure the relative speed between the moving object 100 which is the host vehicle and the predetermined object 200.
- the electronic device 1 can also measure the direction (the angle of arrival ⁇ ) at which the reflected wave from the predetermined object 200 arrives at the moving body 100 that is the host vehicle.
- the sensor 5 described above may include, for example, the transmission antenna 25 and the reception antenna 31.
- the sensor 5 may appropriately include at least one of other functional units such as the control unit 10.
- the radar cover may be made of a material that allows electromagnetic waves to pass, such as a synthetic resin or rubber.
- This radar cover may be, for example, a housing for the sensor 5.
- a member such as a radar cover, it is possible to reduce the risk that the transmitting antenna 25 may be damaged or malfunction due to contact with the outside.
- the radar cover and the housing may be called a radome.
- the electronic device 1 illustrated in FIG. 2 includes two transmission antennas 25.
- the electronic device 1 may include any number of transmission antennas 25.
- the electronic device 1 may include a plurality of transmission antennas 25 when the transmission wave T transmitted from the transmission antenna 25 forms a beam in a predetermined direction.
- the electronic device 1 may include an arbitrary plurality of transmission antennas 25.
- the electronic device 1 may include a plurality of phase control units 23 and a plurality of amplifiers 24 corresponding to the plurality of transmission antennas 25, respectively.
- the electronic device 1 can measure (estimate) the relative speed between the moving object 100 and the predetermined object 200 shown in FIG. 1 by performing the speed FFT processing. Since the technology itself for measuring (estimating) the relative speed with respect to a predetermined object by performing the speed FFT process on the result of performing the distance FFT process is publicly known, a more detailed description will be simplified or omitted as appropriate. I do.
- the result of the speed FFT processing performed by the speed FFT processing unit 12 (for example, information on speed) may be supplied to the arrival angle estimation unit 13.
- the result of the speed FFT processing performed by the speed FFT processing unit 12 may be supplied to the object detection unit 14.
- the transmission control unit (for example, the phase control unit 23) may form a beam in a direction covering at least a part of a range in which an object is detected. Further, in the electronic device 1 according to the embodiment, the transmission control unit (for example, the phase control unit 23) controls the plurality of transmission waves T transmitted from the plurality of transmission antennas 25 so that the phases of the transmission waves T are aligned in a predetermined direction. May be controlled at least one phase of the transmitted wave of
- one sensor 5 can detect an object as if it were a plurality of sensors. Therefore, according to the electronic device 1 according to the embodiment, the weight of the vehicle (particularly, the harness) does not increase. Therefore, according to the electronic device 1 according to the embodiment, it is possible to avoid a decrease in fuel consumption due to an increase in the number of the sensors 5 and a decrease in fuel consumption due to an increase in power consumption.
Landscapes
- Engineering & Computer Science (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Physics & Mathematics (AREA)
- Computer Networks & Wireless Communication (AREA)
- General Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Radar Systems Or Details Thereof (AREA)
Abstract
Description
前記制御部は、前記送信波として送信される送信信号及び前記反射波として受信される受信信号に基づいて、前記送信波を反射する物体を検出する。
前記制御部は、前記送信信号及び前記受信信号によって前記物体を検出する範囲を可変にする。
(1)送信アンテナから送信波を送信するステップ
(2)前記送信波が反射された反射波を受信アンテナから受信するステップ
(3)前記送信波として送信される送信信号及び前記反射波として受信される受信信号に基づいて、前記送信波を反射する物体を検出するステップ
(4)前記送信信号及び前記受信信号によって前記物体を検出する範囲を可変にするステップ
5 センサ
10 制御部
11 距離FFT処理部
12 速度FFT処理部
13 到来角推定部
14 物体検出部
15 検出範囲決定部
16 パラメータ設定部
20 送信部
21 信号生成部
22 シンセサイザ
23 位相制御部
24 増幅器
25 送信アンテナ
30 受信部
31 受信アンテナ
32 LNA
33 ミキサ
34 IF部
35 AD変換部
40 記憶部
50 ECU
100 移動体
200 物体
Claims (10)
- 送信波を送信する送信アンテナと、
前記送信波が反射された反射波を受信する受信アンテナと、
前記送信波として送信される送信信号及び前記反射波として受信される受信信号に基づいて、前記送信波を反射する物体を検出する制御部と、
を備える電子機器であって、
前記制御部は、前記送信信号及び前記受信信号によって前記物体を検出する範囲を可変にする、電子機器。 - 前記制御部は、前記物体を検出する複数の範囲を切り替え可能にする、請求項1に記載の電子機器。
- 前記制御部は、前記物体を検出する目的に応じて、前記物体を検出する範囲を可変にする、請求項1又は2に記載の電子機器。
- 前記制御部は、前記物体の検出結果に基づいて、前記物体を検出する範囲を決定する、請求項1から3のいずれかに記載の電子機器。
- 前記送信アンテナは複数の送信アンテナを含み、
前記複数の送信アンテナから送信される送信波が所定方向にビームを形成するように制御する送信制御部を備え、
前記送信制御部は、前記物体を検出する範囲の方向に前記ビームを形成する、請求項1から4のいずれかに記載の電子機器。 - 前記送信制御部は、前記物体を検出する範囲の少なくとも一部をカバーする方向に前記ビームを形成する、請求項5に記載の電子機器。
- 前記送信制御部は、前記複数の送信アンテナから送信されるそれぞれの送信波の位相が所定の方向において揃うように、当該複数の送信アンテナから送信される送信波の少なくとも1つの位相を制御する、請求項5又は6に記載の電子機器。
- 前記制御部は、ドライバの選択、ハンドリング状態、ギアの状態、駐車支援状態、フリースペース検知状態、出庫時衝突検知状態、及び、死角検知状態の少なくともいずれかに基づいて、前記物体を検出する範囲を可変にする、請求項1の記載の電子機器。
- 送信アンテナから送信波を送信するステップと、
前記送信波が反射された反射波を受信アンテナから受信するステップと、
前記送信波として送信される送信信号及び前記反射波として受信される受信信号に基づいて、前記送信波を反射する物体を検出するステップと、
前記送信信号及び前記受信信号によって前記物体を検出する範囲を可変にするステップと、
を含む、電子機器の制御方法。 - コンピュータに、
送信アンテナから送信波を送信するステップと、
前記送信波が反射された反射波を受信アンテナから受信するステップと、
前記送信波として送信される送信信号及び前記反射波として受信される受信信号に基づいて、前記送信波を反射する物体を検出するステップと、
前記送信信号及び前記受信信号によって前記物体を検出する範囲を可変にするステップと、
を実行させる、電子機器の制御プログラム。
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
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JP2020550364A JPWO2020071242A1 (ja) | 2018-10-05 | 2019-09-26 | 電子機器、電子機器の制御方法、及び電子機器の制御プログラム |
CN201980065009.1A CN112771407A (zh) | 2018-10-05 | 2019-09-26 | 电子设备、电子设备的控制方法以及电子设备的控制程序 |
EP19869993.6A EP3862785A4 (en) | 2018-10-05 | 2019-09-26 | ELECTRONIC DEVICE, ELECTRONIC DEVICE CONTROL METHOD AND ELECTRONIC DEVICE CONTROL PROGRAM |
US17/282,355 US11977142B2 (en) | 2018-10-05 | 2019-09-26 | Electronic device, control method of electronic device, and control program of electronic device |
Applications Claiming Priority (2)
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JP2018190379 | 2018-10-05 | ||
JP2018-190379 | 2018-10-05 |
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WO2020071242A1 true WO2020071242A1 (ja) | 2020-04-09 |
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US (1) | US11977142B2 (ja) |
EP (1) | EP3862785A4 (ja) |
JP (1) | JPWO2020071242A1 (ja) |
CN (1) | CN112771407A (ja) |
WO (1) | WO2020071242A1 (ja) |
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- 2019-09-26 CN CN201980065009.1A patent/CN112771407A/zh active Pending
- 2019-09-26 US US17/282,355 patent/US11977142B2/en active Active
- 2019-09-26 WO PCT/JP2019/037917 patent/WO2020071242A1/ja active Application Filing
- 2019-09-26 EP EP19869993.6A patent/EP3862785A4/en active Pending
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Also Published As
Publication number | Publication date |
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CN112771407A (zh) | 2021-05-07 |
US11977142B2 (en) | 2024-05-07 |
JPWO2020071242A1 (ja) | 2021-09-02 |
EP3862785A1 (en) | 2021-08-11 |
US20210349200A1 (en) | 2021-11-11 |
EP3862785A4 (en) | 2022-07-06 |
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