KR20170071121A - 초음파 신호 최적화 장치 및 방법 - Google Patents
초음파 신호 최적화 장치 및 방법 Download PDFInfo
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- KR20170071121A KR20170071121A KR1020150179093A KR20150179093A KR20170071121A KR 20170071121 A KR20170071121 A KR 20170071121A KR 1020150179093 A KR1020150179093 A KR 1020150179093A KR 20150179093 A KR20150179093 A KR 20150179093A KR 20170071121 A KR20170071121 A KR 20170071121A
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- South Korea
- Prior art keywords
- ultrasonic signal
- frequency
- unit
- correction
- ringing time
- Prior art date
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- Ceased
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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
- G01S7/52—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S15/00
- G01S7/523—Details of pulse systems
- G01S7/526—Receivers
- G01S7/527—Extracting wanted echo signals
- G01S7/5276—Extracting wanted echo signals using analogue techniques
-
- 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
- G01S7/52—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S15/00
- G01S7/52004—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
- G01S15/00—Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems
- G01S15/02—Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems using reflection of acoustic waves
- G01S15/06—Systems determining the position data of a target
- G01S15/08—Systems for measuring distance only
- G01S15/10—Systems for measuring distance only using transmission of interrupted, pulse-modulated waves
-
- 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
- G01S15/00—Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems
- G01S15/88—Sonar systems specially adapted for specific applications
- G01S15/93—Sonar systems specially adapted for specific applications for anti-collision purposes
- G01S15/931—Sonar 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
- G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
- G01S7/52—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S15/00
- G01S7/52004—Means for monitoring or calibrating
- G01S7/52006—Means for monitoring or calibrating with provision for compensating the effects of temperature
-
- 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
- G01S7/52—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S15/00
- G01S7/523—Details of pulse systems
- G01S7/524—Transmitters
-
- G—PHYSICS
- G08—SIGNALLING
- G08G—TRAFFIC CONTROL SYSTEMS
- G08G1/00—Traffic control systems for road vehicles
- G08G1/16—Anti-collision systems
- G08G1/168—Driving aids for parking, e.g. acoustic or visual feedback on parking space
-
- 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
- G01S15/00—Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems
- G01S15/88—Sonar systems specially adapted for specific applications
- G01S15/93—Sonar systems specially adapted for specific applications for anti-collision purposes
- G01S15/931—Sonar systems specially adapted for specific applications for anti-collision purposes of land vehicles
- G01S2015/932—Sonar systems specially adapted for specific applications for anti-collision purposes of land vehicles for parking operations
Landscapes
- Engineering & Computer Science (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Computer Networks & Wireless Communication (AREA)
- Acoustics & Sound (AREA)
- Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
Abstract
Description
도 2는 초음파 센서 신호의 여진 제거를 위한 구동 신호의 파형을 도시한 도면이다.
도 3은 본 발명의 일 실시예에 따른 초음파 신호 최적화 장치를 도시한 블록도이다.
도 4는 본 발명의 다른 실시예에 따른 초음파 신호 최적화 장치를 도시한 블록도이다.
도 5는 본 발명의 또 다른 실시예에 따른 초음파 신호 최적화 장치를 도시한 블록도이다.
도 6은 본 발명의 또 다른 실시예에 따른 초음파 신호 최적화 장치를 도시한 블록도이다.
도 7은 본 발명의 일 실시예에 따른 초음파 신호 최적화 방법을 순차적으로 나타낸 흐름도이다.
Claims (9)
- 초음파 신호를 송수신하는 초음파 신호 감지부;
상기 초음파 신호 감지부에서 송신한 초음파 신호의 제1 링잉 타임(ringing time)을 측정하는 여진 측정부;
상기 제1 링잉 타임을 미리 저장된 제2 링잉 타임과 비교하여 보정 주파수를 연산하는 비교 연산부;
상기 보정 주파수를 갖는 역전압 신호(electrical damping pulse)를 생성하는 역전압 신호 생성부; 및
상기 역전압 신호를 상기 초음파 신호 감지부에 적용하도록 제어 동작을 수행하는 제어부를 포함하는, 초음파 신호 최적화 장치. - 제1 항에 있어서,
상기 비교 연산부는 상기 제1 링잉 타임이 상기 제2 링잉 타임과 다른 경우, 미리 설정된 매개 변수 값을 이용하여 상기 보정 주파수를 연산하는, 초음파 신호 최적화 장치. - 제2 항에 있어서,
상기 매개 변수 값은 보정 펄스의 주파수, 보정 펄스의 위치, 및 보정 펄스의 지속 시간을 포함하는, 초음파 신호 최적화 장치. - 제1 항에 있어서,
상기 제2 링잉 타임에 관한 정보를 저장하는 메모리부를 더 포함하는, 초음파 신호 최적화 장치. - 제4 항에 있어서,
상기 메모리부는 룩업 테이블(lookup table)을 더 저장하고,
상기 비교 연산부는 상기 룩업 테이블을 이용하여 상기 보정 주파수를 연산하는, 초음파 신호 최적화 장치. - 초음파 신호를 송신하는 단계;
상기 초음파 신호의 제1 링잉 타임을 측정하는 단계;
상기 제1 링잉 타임을 메모리에 미리 저장된 제2 링잉 타임과 비교하는 단계;
보정 주파수를 연산하는 단계; 및
상기 보정 주파수를 이용하여 역전압 신호를 생성하는 단계를 포함하는, 초음파 신호 최적화 방법. - 제6 항에 있어서,
상기 보정 주파수를 연산하는 단계는, 미리 설정된 매개 변수 값을 이용하여 상기 보정 주파수를 연산하는, 초음파 신호 최적화 방법. - 제7 항에 있어서,
상기 매개 변수 값은 보정 펄스의 주파수, 보정 펄스의 위치, 및 보정 펄스의 지속 시간을 포함하는, 초음파 신호 최적화 방법. - 제6 항에 있어서,
상기 역전압 신호를 생성한 이후, 상기 역전압 신호를 상기 초음파 신호에 적용시키는 단계를 더 포함하는, 초음파 신호 최적화 방법.
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020150179093A KR20170071121A (ko) | 2015-12-15 | 2015-12-15 | 초음파 신호 최적화 장치 및 방법 |
| DE102016224954.1A DE102016224954B4 (de) | 2015-12-15 | 2016-12-14 | Vorrichtung und Verfahren zum Optimieren eines Ultraschallsignals |
| CN201611153935.9A CN106908777B (zh) | 2015-12-15 | 2016-12-14 | 超声波信号优化装置以及方法 |
| US15/379,890 US10795008B2 (en) | 2015-12-15 | 2016-12-15 | Apparatus and method for optimizing ultrasonic signal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020150179093A KR20170071121A (ko) | 2015-12-15 | 2015-12-15 | 초음파 신호 최적화 장치 및 방법 |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1020180013941A Division KR102187825B1 (ko) | 2018-02-05 | 2018-02-05 | 초음파 신호 최적화 장치 및 방법 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| KR20170071121A true KR20170071121A (ko) | 2017-06-23 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1020150179093A Ceased KR20170071121A (ko) | 2015-12-15 | 2015-12-15 | 초음파 신호 최적화 장치 및 방법 |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US10795008B2 (ko) |
| KR (1) | KR20170071121A (ko) |
| CN (1) | CN106908777B (ko) |
| DE (1) | DE102016224954B4 (ko) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20190046494A (ko) * | 2017-10-26 | 2019-05-07 | 현대오트론 주식회사 | 초음파 센서 및 그 제어 방법 |
| KR20190048137A (ko) * | 2017-10-30 | 2019-05-09 | 현대오트론 주식회사 | 초음파 처리 장치 및 방법 |
| KR20190059682A (ko) * | 2017-11-23 | 2019-05-31 | 현대오트론 주식회사 | 초음파 처리 장치 및 방법 |
| US11666194B2 (en) | 2017-11-01 | 2023-06-06 | Lg Electronics Inc. | Ultrasonic sensor and robot cleaner equipped therewith |
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| CN107765254B (zh) * | 2017-09-22 | 2021-03-16 | 合肥晟泰克汽车电子股份有限公司 | 超声波雷达的发波频率自适应方法 |
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| EP3731411A4 (en) * | 2019-01-18 | 2021-01-13 | Shenzhen Goodix Technology Co., Ltd. | SIGNAL GENERATION CIRCUIT, ASSOCIATED CHIP, FLOW METER AND PROCEDURE |
| IT201900003613A1 (it) | 2019-03-12 | 2020-09-12 | St Microelectronics Srl | Procedimento di funzionamento di trasduttori elettro-acustici, circuito e dispositivo corrispondenti |
| US11442155B2 (en) | 2019-10-02 | 2022-09-13 | Semiconductor Components Industries, Llc | Devices, systems and processes for detecting saturation of received echo signals |
| US11759822B2 (en) | 2020-01-21 | 2023-09-19 | Semiconductor Components Industries, Llc | Devices, systems and processes for improving frequency measurements during reverberation periods for ultra-sonic transducers |
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| EP3995854B1 (en) | 2020-11-09 | 2025-11-26 | STMicroelectronics S.r.l. | A method of operating electro-acoustic transducers, corresponding circuit and device |
| KR20220167615A (ko) * | 2021-06-14 | 2022-12-21 | 현대모비스 주식회사 | 차량의 초음파센서 및 그 제어방법 |
| CN114002661B (zh) * | 2021-11-02 | 2025-08-01 | 琻捷电子科技(江苏)股份有限公司 | 一种超声波减余震装置、方法及超声波探测设备 |
| IT202200000464A1 (it) | 2022-01-13 | 2023-07-13 | St Microelectronics Srl | Procedimento di operazione di trasduttori elettroacustici, corrispondente circuito e dispositivo |
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-
2015
- 2015-12-15 KR KR1020150179093A patent/KR20170071121A/ko not_active Ceased
-
2016
- 2016-12-14 CN CN201611153935.9A patent/CN106908777B/zh active Active
- 2016-12-14 DE DE102016224954.1A patent/DE102016224954B4/de active Active
- 2016-12-15 US US15/379,890 patent/US10795008B2/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20190046494A (ko) * | 2017-10-26 | 2019-05-07 | 현대오트론 주식회사 | 초음파 센서 및 그 제어 방법 |
| KR20190048137A (ko) * | 2017-10-30 | 2019-05-09 | 현대오트론 주식회사 | 초음파 처리 장치 및 방법 |
| US11666194B2 (en) | 2017-11-01 | 2023-06-06 | Lg Electronics Inc. | Ultrasonic sensor and robot cleaner equipped therewith |
| KR20190059682A (ko) * | 2017-11-23 | 2019-05-31 | 현대오트론 주식회사 | 초음파 처리 장치 및 방법 |
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| Publication number | Publication date |
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| DE102016224954A1 (de) | 2017-07-13 |
| US10795008B2 (en) | 2020-10-06 |
| CN106908777B (zh) | 2019-12-31 |
| CN106908777A (zh) | 2017-06-30 |
| US20170168151A1 (en) | 2017-06-15 |
| DE102016224954B4 (de) | 2022-06-09 |
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