KR102700374B1 - 고밀집 실내 환경에 적합한 무인비행체 위치 결정 시스템 - Google Patents
고밀집 실내 환경에 적합한 무인비행체 위치 결정 시스템 Download PDFInfo
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- KR102700374B1 KR102700374B1 KR1020210171383A KR20210171383A KR102700374B1 KR 102700374 B1 KR102700374 B1 KR 102700374B1 KR 1020210171383 A KR1020210171383 A KR 1020210171383A KR 20210171383 A KR20210171383 A KR 20210171383A KR 102700374 B1 KR102700374 B1 KR 102700374B1
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- 230000004807 localization Effects 0.000 title description 2
- 238000003909 pattern recognition Methods 0.000 claims abstract description 31
- 238000005259 measurement Methods 0.000 claims abstract description 10
- 238000004891 communication Methods 0.000 claims abstract description 9
- 230000001133 acceleration Effects 0.000 claims abstract description 6
- 230000000694 effects Effects 0.000 abstract description 7
- 238000000034 method Methods 0.000 description 7
- 238000005516 engineering process Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 3
- 238000004364 calculation method Methods 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 230000001186 cumulative effect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 238000002310 reflectometry Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
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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
- G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
- G01S7/48—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S17/00
- G01S7/4802—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S17/00 using analysis of echo signal for target characterisation; Target signature; Target cross-section
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64C—AEROPLANES; HELICOPTERS
- B64C39/00—Aircraft not otherwise provided for
- B64C39/02—Aircraft not otherwise provided for characterised by special use
- B64C39/024—Aircraft not otherwise provided for characterised by special use of the remote controlled vehicle type, i.e. RPV
-
- 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
- G01S17/00—Systems using the reflection or reradiation of electromagnetic waves other than radio waves, e.g. lidar systems
- G01S17/86—Combinations of lidar systems with systems other than lidar, radar or sonar, e.g. with direction finders
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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
- G01S17/00—Systems using the reflection or reradiation of electromagnetic waves other than radio waves, e.g. lidar systems
- G01S17/88—Lidar systems specially adapted for specific applications
- G01S17/89—Lidar systems specially adapted for specific applications for mapping or imaging
- G01S17/894—3D imaging with simultaneous measurement of time-of-flight at a 2D array of receiver pixels, e.g. time-of-flight cameras or flash lidar
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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
- G01S5/00—Position-fixing by co-ordinating two or more direction or position line determinations; Position-fixing by co-ordinating two or more distance determinations
- G01S5/02—Position-fixing by co-ordinating two or more direction or position line determinations; Position-fixing by co-ordinating two or more distance determinations using radio waves
- G01S5/0257—Hybrid positioning
-
- 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
- G01S7/48—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S17/00
- G01S7/497—Means for monitoring or calibrating
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F18/00—Pattern recognition
- G06F18/20—Analysing
- G06F18/22—Matching criteria, e.g. proximity measures
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Remote Sensing (AREA)
- Radar, Positioning & Navigation (AREA)
- General Physics & Mathematics (AREA)
- Computer Networks & Wireless Communication (AREA)
- Data Mining & Analysis (AREA)
- Electromagnetism (AREA)
- Theoretical Computer Science (AREA)
- Bioinformatics & Cheminformatics (AREA)
- General Engineering & Computer Science (AREA)
- Evolutionary Computation (AREA)
- Evolutionary Biology (AREA)
- Computer Vision & Pattern Recognition (AREA)
- Bioinformatics & Computational Biology (AREA)
- Artificial Intelligence (AREA)
- Life Sciences & Earth Sciences (AREA)
- Aviation & Aerospace Engineering (AREA)
- Control Of Position, Course, Altitude, Or Attitude Of Moving Bodies (AREA)
Abstract
Description
도2는 특징점 패턴 인식 상태에 따라 현재 위치가 결정되는 모드를 설명하는 개념도이다.
도3은 도2의 시구간에 대응되는 실내 환경 및 비행경로의 예시도이다.
도4는 기준 베이스의 형상특징부 반사면 모양의 예시도이다.
도5는 제2 실시예에 따른 제1군 및 제2군 무인비행체의 배치 예시도이다.
101: 형상 특징부
200, 320: 무인비행체
201: 3차원 레이저 스캐너
202: 관성측정유닛
300: 컴퓨터 모듈
521: 제1군 무인비행체
522: 제2군 무인비행체
Claims (5)
- 적용 환경에 존재하지 않는 3차원 형상을 가진 형상 특징부를 구비한 기준 베이스;
레이저를 이용하여 주변 공간에 대한 포인트 클라우드 정보를 획득하는 3차원 레이저 스캐너, 자세 및 방향별 속도 및 가속도 정보를 포함하는 관성기반 정보를 획득하는 관성측정 유닛, 및 정보를 송수신하는 무선통신 모듈을 구비하는 무인비행체;
포인트 클라우드 정보를 분석하여 형상 특징부의 패턴이 인식되는 시각에 패턴 인식 상태 변수를 온 하며, 패턴 인식 상태 변수가 온 되었을 때, 해당 특징점의 방향각과 거리 데이터로부터 무인비행체의 시각별 절대 위치를 계산하여 현재 위치를 결정하며, 관성기반 정보를 포인트 클라우드 정보에 지속적으로 동기화 하며, 패턴 인식 상태 변수가 오프된 상태에서는 패턴 인식 상태 변수가 온 상태의 마지막 시각의 절대 위치를 기준으로 하여, 관성기반 정보를 적산 처리하여 얻어지는 상대 위치를 보정하여 현재의 위치를 결정하는 컴퓨터 모듈;을 포함하며,
상기 형상 특징부는 기준 방향을 표시하는 모양을 갖는 수평의 반사면을 가지며, 사전에 포인트 클라우드의 패턴 인식 기준이 확립된 것을 특징으로 하는 무인비행체 위치 결정 시스템. - 삭제
- 제1항에 있어서,
기준 베이스가 복수개 구비되고, 각각의 기준 베이스는 서로 구분 가능한 형상적 특징을 갖는 형상 특징부를 갖는 것을 특징으로 하는 무인비행체 위치 결정 시스템. - 삭제
- 삭제
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KR1020210171383A KR102700374B1 (ko) | 2021-12-03 | 2021-12-03 | 고밀집 실내 환경에 적합한 무인비행체 위치 결정 시스템 |
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KR1020210171383A KR102700374B1 (ko) | 2021-12-03 | 2021-12-03 | 고밀집 실내 환경에 적합한 무인비행체 위치 결정 시스템 |
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KR20230083409A KR20230083409A (ko) | 2023-06-12 |
KR102700374B1 true KR102700374B1 (ko) | 2024-09-02 |
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CN117310772B (zh) * | 2023-11-28 | 2024-02-02 | 电子科技大学 | 一种基于地图信息视距或非视距检测的电磁目标定位方法 |
CN117970393B (zh) * | 2024-01-04 | 2024-11-05 | 深圳市荷里博技术有限公司 | 结合环境特征的无人机定位方法及系统 |
Citations (3)
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JP5322050B2 (ja) * | 2008-07-28 | 2013-10-23 | 独立行政法人日本原子力研究開発機構 | マーカの3次元位置計測方法及びシステム |
JP2018055695A (ja) * | 2017-10-26 | 2018-04-05 | エスゼット ディージェイアイ テクノロジー カンパニー リミテッドSz Dji Technology Co.,Ltd | ある環境内で無人航空機を制御する方法、ある環境のマップを生成する方法、システム、プログラムおよび通信端末 |
US20190139422A1 (en) * | 2018-12-28 | 2019-05-09 | Wee Hoo Cheah | Companion drone to assist location determination |
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JPS5322050B2 (ko) * | 1972-04-06 | 1978-07-06 | ||
KR20140053712A (ko) * | 2012-10-26 | 2014-05-08 | (주)하기소닉 | 센서 융합에 의한 실내로봇용 위치인식 방법 |
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JP5322050B2 (ja) * | 2008-07-28 | 2013-10-23 | 独立行政法人日本原子力研究開発機構 | マーカの3次元位置計測方法及びシステム |
JP2018055695A (ja) * | 2017-10-26 | 2018-04-05 | エスゼット ディージェイアイ テクノロジー カンパニー リミテッドSz Dji Technology Co.,Ltd | ある環境内で無人航空機を制御する方法、ある環境のマップを生成する方法、システム、プログラムおよび通信端末 |
US20190139422A1 (en) * | 2018-12-28 | 2019-05-09 | Wee Hoo Cheah | Companion drone to assist location determination |
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