JPWO2021181506A5 - - Google Patents
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- JPWO2021181506A5 JPWO2021181506A5 JP2022507035A JP2022507035A JPWO2021181506A5 JP WO2021181506 A5 JPWO2021181506 A5 JP WO2021181506A5 JP 2022507035 A JP2022507035 A JP 2022507035A JP 2022507035 A JP2022507035 A JP 2022507035A JP WO2021181506 A5 JPWO2021181506 A5 JP WO2021181506A5
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- radar
- frequency band
- foreign object
- signal
- range resolution
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- 238000001514 detection method Methods 0.000 claims 6
- 238000000034 method Methods 0.000 claims 3
- 238000012544 monitoring process Methods 0.000 claims 1
Claims (5)
各レーダー装置から出力される前記レーダー信号の受信結果のデータに基づいて、異物の検知及び異物の位置の特定を行うと共に、各レーダー装置の動作を制御する制御装置とを備え、
各レーダー装置は、第１の距離分解能を適用してレーダー動作を行う第１のモードと、前記第１の距離分解能より高い第２の距離分解能を適用してレーダー動作を行う第２のモードとを有し、
前記制御装置は、異物が検知されるまで各レーダー装置を前記第１のモードで動作させ、異物が検知された場合に、監視エリア内に異物が存するレーダー装置を前記第２のモードで動作させて異物の位置の特定を行うと共に、他のレーダー装置のレーダー動作を停止させることを特徴とする異物検知システム。 a plurality of radar devices for transmitting and receiving radar signals;
a control device that detects a foreign object and specifies the position of the foreign object based on the data of the reception result of the radar signal output from each radar device, and controls the operation of each radar device,
Each radar device has a first mode in which radar operation is performed by applying a first range resolution, and a second mode in which radar operation is performed by applying a second range resolution higher than the first range resolution. has
The control device operates each radar device in the first mode until the foreign object is detected, and operates the radar device in which the foreign object exists within the monitoring area in the second mode when the foreign object is detected. A foreign object detection system characterized by identifying the position of a foreign object by means of a radar device and stopping the radar operations of other radar devices .
前記レーダー装置は、前記第１の距離分解能に対応する第１の周波数帯域のレーダー信号を処理する第１の信号処理部と、前記第２の距離分解能に対応する第２の周波数帯域のレーダー信号を処理する第２の信号処理部と、前記第１の信号処理部又は前記第２の信号処理部に対してスイッチを介して選択的に接続され、前記第１の周波数帯域のレーダー信号又は前記第２の周波数帯域のレーダー信号を送受信する送受信部とを備えることを特徴とする異物検知システム。 In the foreign object detection system according to claim 1,
The radar device includes a first signal processing unit that processes a radar signal in a first frequency band corresponding to the first range resolution, and a radar signal in a second frequency band that corresponds to the second range resolution. and a second signal processing unit that processes a radar signal in the first frequency band or the and a transmitting/receiving unit that transmits/receives a radar signal in a second frequency band.
前記レーダー装置は、前記第１の距離分解能に対応する第１の周波数帯域のレーダー信号を処理する第１の信号処理部と、前記第１の信号処理部に接続され、前記第１の周波数帯域のレーダー信号を送受信する第１の送受信部と、前記第２の距離分解能に対応する第２の周波数帯域のレーダー信号を処理する第２の信号処理部と、前記第２の信号処理部に接続され、前記第２の周波数帯域のレーダー信号を送受信する第２の送受信部とを備えることを特徴とする異物検知システム。 In the foreign object detection system according to claim 1,
The radar device includes: a first signal processing unit that processes a radar signal in a first frequency band corresponding to the first range resolution; a first transmitting/receiving unit for transmitting/receiving a radar signal of the second distance resolution, a second signal processing unit for processing a radar signal in a second frequency band corresponding to the second range resolution, and the second signal processing unit. and a second transmitting/receiving section for transmitting/receiving the radar signal of the second frequency band.
前記レーダー装置は、前記第１の距離分解能に対応する第１の周波数帯域又は前記第２の距離分解能に対応する第２の周波数帯域のレーダー信号を処理する信号処理部と、前記信号処理部に接続され、前記第１の周波数帯域のレーダー信号又は前記第２の周波数帯域のレーダー信号を送受信する送受信部とを備えることを特徴とする異物検知システム。 In the foreign object detection system according to claim 1,
The radar device includes a signal processing unit for processing a radar signal in a first frequency band corresponding to the first range resolution or a second frequency band corresponding to the second range resolution; a transmitting/receiving unit that is connected to transmit and receive the radar signal of the first frequency band or the radar signal of the second frequency band.
隣り合うレーダー装置は、前記第１のモードにおいて互いに異なる周波数帯域を使用することを特徴とする異物検知システム。 In the foreign object detection system according to any one of claims 1 to 4,
An object detection system, wherein adjacent radar devices use different frequency bands in the first mode.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/JP2020/010199 WO2021181506A1 (en) | 2020-03-10 | 2020-03-10 | Foreign substance sensing system |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JPWO2021181506A1 JPWO2021181506A1 (en) | 2021-09-16 |
| JPWO2021181506A5 true JPWO2021181506A5 (en) | 2022-09-29 |
| JP7263617B2 JP7263617B2 (en) | 2023-04-24 |
Family
ID=77671288
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2022507035A Active JP7263617B2 (en) | 2020-03-10 | 2020-03-10 | Foreign object detection system |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP7263617B2 (en) |
| WO (1) | WO2021181506A1 (en) |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10053061A1 (en) * | 2000-10-26 | 2002-05-08 | Dornier Gmbh | Method for adaptive target processing in a motor vehicle radar |
| JP6741475B2 (en) * | 2016-05-20 | 2020-08-19 | 株式会社日立国際電気 | Monitoring system and monitoring method |
| JP2018040663A (en) * | 2016-09-07 | 2018-03-15 | 日本無線株式会社 | Radar system |
| JP6799494B2 (en) * | 2017-04-27 | 2020-12-16 | 日立オートモティブシステムズ株式会社 | Radar circuits, radar systems, and radar programs |
| WO2019181608A1 (en) * | 2018-03-23 | 2019-09-26 | 株式会社日立国際電気 | Radar device, radar system, and method for adjusting radar antenna |
| JP6637540B2 (en) * | 2018-04-19 | 2020-01-29 | 京セラ株式会社 | Electronic device, control method for electronic device, and control program for electronic device |
-
2020
- 2020-03-10 JP JP2022507035A patent/JP7263617B2/en active Active
- 2020-03-10 WO PCT/JP2020/010199 patent/WO2021181506A1/en active Application Filing
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