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1. WO2014129445 - ULTRASONIC DISTANCE MEASURING DEVICE, ULTRASONIC SENSOR MODULE USED IN SAME, PERSON SENSING DEVICE USING SAME, AND PROGRAM APPLIED IN SAME

Publication Number WO/2014/129445
Publication Date 28.08.2014
International Application No. PCT/JP2014/053731
International Filing Date 18.02.2014
IPC
G01S 15/10 2006.1
GPHYSICS
01MEASURING; TESTING
SRADIO 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
15Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems
02using reflection of acoustic waves
06Systems determining position data of a target
08Systems for measuring distance only
10using transmission of interrupted, pulse-modulated waves
G01S 7/527 2006.1
GPHYSICS
01MEASURING; TESTING
SRADIO 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
7Details of systems according to groups G01S13/, G01S15/, G01S17/127
52of systems according to group G01S15/58
523Details of pulse systems
526Receivers
527Extracting wanted echo signals
G01S 15/52 2006.1
GPHYSICS
01MEASURING; TESTING
SRADIO 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
15Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems
02using reflection of acoustic waves
50Systems of measurement based on relative movement of target
52Discriminating between fixed and moving objects or between objects moving at different speeds
CPC
G01S 15/10
GPHYSICS
01MEASURING; TESTING
SRADIO 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
15Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems
02using reflection of acoustic waves
06Systems determining the position data of a target
08Systems for measuring distance only
10using transmission of interrupted, pulse-modulated waves
G01S 15/52
GPHYSICS
01MEASURING; TESTING
SRADIO 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
15Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems
02using reflection of acoustic waves
50Systems of measurement, based on relative movement of the target
52Discriminating between fixed and moving objects or between objects moving at different speeds
G01S 7/527
GPHYSICS
01MEASURING; TESTING
SRADIO 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
7Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
52of systems according to group G01S15/00
523Details of pulse systems
526Receivers
527Extracting wanted echo signals
Applicants
  • 株式会社村田製作所 MURATA MANUFACTURING CO., LTD. [JP]/[JP]
Inventors
  • 勝間 侯裕 KATSUMA, Kimiyasu
Agents
  • 川本 学 KAWAMOTO, Manabu
Priority Data
2013-03314822.02.2013JP
2013-03314922.02.2013JP
2013-20012726.09.2013JP
Publication Language Japanese (ja)
Filing Language Japanese (JA)
Designated States
Title
(EN) ULTRASONIC DISTANCE MEASURING DEVICE, ULTRASONIC SENSOR MODULE USED IN SAME, PERSON SENSING DEVICE USING SAME, AND PROGRAM APPLIED IN SAME
(FR) DISPOSITIF DE MESURE ULTRASONORE DE DISTANCE, MODULE DE CAPTEUR ULTRASONORE UTILISÉ DANS CELUI-CI, DISPOSITIF DE DÉTECTION DE PERSONNE L'UTILISANT ET PROGRAMME APPLIQUÉ À CELUI-CI
(JA) 超音波距離計測装置、それに用いる超音波センサモジュール、それらを用いた人体検知装置、及びそれらに適用されるプログラム
Abstract
(EN) [Problem] To measure, with practical precision and with a simple configuration, the distance to an object with little influence of external interference or object motion. [Solution] An ultrasonic distance measuring device (1) having a control measuring unit (18) that selects a distance measurement reference point from among peaks appearing in a reception waveform of the ultrasonic wave reflected by an object to be measured and that measures the distance to an object to be measured on the basis of the distance measurement reference point, wherein the control measuring unit (18) measures the magnitude of the movement of the object to be measured from the reception waveform, calculates, as the movement maximum point, the point where the magnitude of the movement is at a maximum, and selects the peak location of the reception waveform nearest the movement maximum point as the distance measurement reference point for the current processing.
(FR) La présente invention vise à mesurer, avec une précision pratique et avec une configuration simple, la distance à un objet avec une faible influence d'interférence externe ou de mouvement d'objet. A cet effet, la présente invention porte sur un dispositif (1) de mesure ultrasonore de distance ayant une unité (18) de mesure de commande qui sélectionne un point de référence de mesure de distance parmi des pics apparaissant dans une forme d'onde de réception de l'onde ultrasonore réfléchie par un objet à mesurer et qui mesure la distance à un objet à mesurer sur la base du point de référence de mesure de distance, l'unité (18) de mesure de commande mesurant l'amplitude du déplacement de l'objet à mesurer à partir de la forme d'onde de réception, calcule, en tant que point maximal de déplacement, le point où l'amplitude du déplacement est à un maximum, et sélectionne la position de pic de la forme d'onde de réception la plus proche du point maximal de déplacement en tant que point de référence de mesure de distance pour le traitement actuel.
(JA) 【課題】外乱や計測対象物の動きに影響の少ない態様で計測対象物との間の距離を簡便な構成でもって実用的な精度で計測する。 【解決手段】計測対象物において反射された超音波の受信波形に現れるピークの中から距離計測基準地点を選択し、距離計測基準地点に基づいて計測対象物までの距離を計測する制御計測部(18)を有する超音波距離計測装置(1)であって、制御計測部(18)が、受信波形から計測対象物の動きの大きさを測定し、動きの大きさが最大になる地点を動き最大地点として算出すると共に、動き最大地点に最も近い受信波形のピーク位置を今回の処理における距離計測基準地点として選択する。
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