KR102378800B1 - 챔버내 로봇추적제어시스템 - Google Patents
챔버내 로봇추적제어시스템 Download PDFInfo
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- KR102378800B1 KR102378800B1 KR1020190077370A KR20190077370A KR102378800B1 KR 102378800 B1 KR102378800 B1 KR 102378800B1 KR 1020190077370 A KR1020190077370 A KR 1020190077370A KR 20190077370 A KR20190077370 A KR 20190077370A KR 102378800 B1 KR102378800 B1 KR 102378800B1
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- 238000001514 detection method Methods 0.000 title claims abstract description 44
- 238000005259 measurement Methods 0.000 claims description 27
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- 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
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- 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
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- H—ELECTRICITY
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
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- H01L21/68—Apparatus specially adapted for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus specially adapted for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components ; Apparatus not specifically provided for elsewhere for positioning, orientation or alignment
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
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- H01L21/68707—Apparatus specially adapted for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus specially adapted for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components ; Apparatus not specifically provided for elsewhere for supporting or gripping using mechanical means, e.g. chucks, clamps or pinches the wafers being placed on a robot blade, or gripped by a gripper for conveyance
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Abstract
따라서, 본 발명에 의하면, 챔버 내에서 로봇의 위치를 실시간으로 파악할 수 있으므로 로봇의 이동경로가 적당한지 파악할 수 있으며, 위급한 사고를 미연에 방지할 수 있는 이점이 있다.
Description
도 2는 본 발명에 의한 챔버내 로봇추적제어시스템의 구성을 나타내는 구성도;
도 3은 본 발명에 의한 챔버내 UWB 레이다의 측정방법을 설명하기 위한 설명도;
도 4a 도 4b는 UWB 레이다에 의한 수신파형의 예를 나타내는 예시도;
도 5는 본 발명에 의한 챔버내 로봇추적제어방법을 나타내는 순서도.
300 : 로봇제어부 400 : 저장부
500 : 챔버 600 : 로봇
650 : 탐지유전체
Claims (10)
- 챔버 내에 구비되는 UWB 레이다;
상기 UWB 레이다에 의한 데이터를 이용하여 상기 챔버 내에서 이동하는 로봇의 위치를 검출하는 위치검출부; 및
상기 위치검출부에 의한 로봇의 위치와 장애물의 위치를 비교하여 상기 로봇의 움직임을 제어하는 로봇제어부를 포함하고,
상기 로봇에는 상기 챔버 내 구조물의 유전율과 다른 유전율을 갖는 탐지유전체가 구비되는 것을 특징으로 하는 챔버내 로봇추적제어시스템.
- 제1항에 있어서,
상기 로봇제어부는 로봇의 좌표와 장애물의 좌표 사이의 측정거리를 계산하며, 상기 측정거리와 안전거리를 비교하는 것을 특징으로 하는 챔버내 로봇추적제어시스템.
- 제2항에 있어서,
저장부에는 장애물마다 별개의 안전거리가 설정되어 저장되며,
상기 로봇제어부는 상기 위치검출부에 의한 로봇의 좌표에서 최단거리 장애물을 추출하여 상기 로봇의 좌표와 상기 최단거리 장애물 좌표와의 측정거리가 검출된 안전거리 이상인지 판단하는 것을 특징으로 하는 챔버내 로봇추적제어시스템. - 제1항에 있어서,
상기 UWB 레이다는 3개 이상 구비되고,
상기 위치검출부는 UWB 레이다 각각에서 검출된 로봇과의 거리를 반지름으로 하는 가상의 원을 형성하고, 상기 원의 최다교점을 상기 로봇의 좌표로 설정하는 것을 특징으로 하는 챔버내 로봇추적제어시스템.
- 삭제
- 제2항에 있어서,
상기 로봇제어부는 반복되는 동일한 작업에서 챔버 내부의 장애물의 좌표와 로봇의 좌표 사이의 측정거리를 계산하여 이전 작업의 측정거리와 비교하여 로봇의 움직임을 보정하는 것을 특징으로 하는 챔버내 로봇추적제어시스템.
- 제1항에 있어서,
상기 로봇제어부는 작업내용에 따른 장애물맵이 저장된 저장부를 이용하여 장애물 및 비장애물을 서로 변환하는 것을 특징으로 하는 챔버내 로봇추적제어시스템.
- 위치검출부에서 챔버 내에 구비되는 UWB 레이다를 이용하여 챔버 내에서 이동하는 로봇의 위치를 측정하는 단계; 및
로봇제어부에서 상기 로봇의 위치와 장애물의 위치를 비교하여 상기 로봇의 움직임을 제어하는 단계를 포함하고,
상기 로봇에는, 상기 챔버 내 구조물의 유전율과 다른 유전율을 갖는 탐지유전체가 구비되는 것을 특징으로 하는 챔버내 로봇추적제어방법.
- 제8항에 있어서,
상기 UWB 레이다는 3개 이상 배치되고, 각각의 UWB 레이다에서 로봇과의 거리를 측정하는 단계;
위치검출부는 UWB 레이다 각각에서 검출된 로봇과의 거리를 반지름으로 하는 가상의 원을 형성하는 단계;
상기 위치검출부는 각각의 원과의 최다교점을 상기 로봇의 좌표로 설정하는 단계를 수행하는 것을 특징으로 하는 챔버내 로봇추적제어방법.
- 제8항에 있어서,
상기 로봇제어부는 상기 위치검출부로부터 실시간 로봇의 좌표를 전송받아 저장부에 저장하고,
상기 실시간 로봇의 좌표와 저장부에 저장된 설정좌표를 비교하여 임계범위를 벗어난 경우 알람을 발생시키는 것을 특징으로 하는 챔버내 로봇추적제어방법.
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020190077370A KR102378800B1 (ko) | 2019-06-27 | 2019-06-27 | 챔버내 로봇추적제어시스템 |
US16/911,737 US12070848B2 (en) | 2019-06-27 | 2020-06-25 | Robot detection and control system within chamber and substrate processing apparatus including the same |
CN202010599332.1A CN112230650A (zh) | 2019-06-27 | 2020-06-28 | 腔室内机器人追踪控制系统及包括其的基板处理装置 |
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KR1020190077370A KR102378800B1 (ko) | 2019-06-27 | 2019-06-27 | 챔버내 로봇추적제어시스템 |
Publications (2)
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KR20210002219A KR20210002219A (ko) | 2021-01-07 |
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EP3404505B1 (en) * | 2006-03-17 | 2023-12-06 | iRobot Corporation | Lawn care robot |
JP5402284B2 (ja) * | 2008-12-18 | 2014-01-29 | 株式会社安川電機 | 基板搬送ロボット、基板搬送装置、半導体製造装置および基板搬送ロボットの干渉物回避方法 |
KR101767924B1 (ko) * | 2012-12-05 | 2017-08-14 | 한화테크윈 주식회사 | 다중 목표물 위치 추정 시스템 및 방법 |
JP2014219298A (ja) * | 2013-05-09 | 2014-11-20 | 富士通株式会社 | レーダ装置および目標物の検出方法 |
US20160043771A1 (en) * | 2014-08-08 | 2016-02-11 | Farrokh Mohamadi | Wafer scale. ultra-wide band (uwb) radiometer with sensor probe for disaster victim rescue |
KR101700686B1 (ko) * | 2015-02-11 | 2017-01-31 | 빌리브마이크론(주) | 실시간 위치 추적 시스템 및 방법 |
KR101884855B1 (ko) | 2016-09-12 | 2018-08-02 | 세메스 주식회사 | 이송 로봇 및 이송 로봇 모니터링 방법 |
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CN106647766A (zh) * | 2017-01-13 | 2017-05-10 | 广东工业大学 | 一种基于复杂环境的uwb‑视觉交互的机器人巡航方法及系统 |
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EP3719532B1 (en) * | 2019-04-04 | 2022-12-28 | Transrobotics, Inc. | Technologies for acting based on object tracking |
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