KR20180015505A - 이동 로봇 및 그 제어방법 - Google Patents
이동 로봇 및 그 제어방법 Download PDFInfo
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- G05D1/00—Control of position, course, altitude or attitude of land, water, air or space vehicles, e.g. using automatic pilots
- G05D1/02—Control of position or course in two dimensions
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Abstract
Description
도 2는 도 1에 도시된 로봇 청소기의 평면도이다.
도 3은 도 1에 도시된 로봇 청소기의 측면도이다.
도 4는 본 발명의 일 실시예에 따른 이동 로봇 또는 로봇 청소기의 구성요소를 나타내는 블록도이다.
도 5a 및 도 5b는 본 발명의 일 실시예에 따른 로봇 청소기가 동작 영역 내에서 이동하는 방법을 나타내는 개념도이다.
도 6a 및 도 6b는 본 발명의 일 실시예에 따른 로봇 청소기가 벽면 주행 중에 트랩(Trap) 타입의 장애물 영역에 진입하는 경우, 트랩 타입의 장애물 영역으로부터 탈출 주행을 수행하는 방법을 나타내는 개념도이다.
도 7는 본 발명의 일 실시예에 따른 로봇 청소기가 벽면 주행 중에 아일랜드(Island) 타입의 장애물 영역에 진입하는 경우, 아일랜드 타입의 장애물 영역으로부터 탈출 주행을 수행하는 방법을 나타내는 개념도이다.
도 8은 본 발명의 일 실시예에 따른 로봇 청소기가 장애물 영역으로부터 탈출하는 방법을 나타내는 흐름도이다.
도 9a 및 도 9b는 본 발명의 일 실시예에 따른 로봇 청소기가 장애물 영역 내에서 주행 중에 생성하는 맵 정보를 나타내는 개념도이다.
Claims (10)
- 본체;
동작 영역 내에서 상기 본체를 이동시키는 구동부;
상기 구동부에 전원을 공급하는 배터리;
상기 배터리의 잔여 전력이 기준 전력 값 이하로 떨어지면, 상기 본체를 충전대로 이동시키기 위해 상기 동작 영역의 벽을 따라 주행시키도록 상기 구동부를 제어하는 제어부를 포함하고,
상기 제어부는,
상기 구동부가 벽면 주행을 수행하는 중에, 상기 본체의 이동 경로가 폐곡선을 형성하면, 상기 폐곡선에 대응되는 일 영역으로부터 상기 본체를 탈출시키도록 상기 구동부를 제어하는 것을 특징으로 하는 이동 로봇. - 제1항에 있어서,
상기 구동부에 구비되어, 상기 본체의 회전 각을 검출하는 엔코더를 더 포함하고,
상기 제어부는,
상기 엔코더를 이용하여, 상기 본체가 상기 일 영역에 진입한 후, 상기 본체가 회전할 때마다 일 방향을 기준으로 상기 본체의 회전 각을 검출하고,
상기 본체가 회전할 때마다 검출된 회전 각을 이용하여, 상기 일 방향에 대한 상기 본체의 누적된 회전 각을 산출하며,
상기 누적된 회전 각이 기 설정된 기준 각도 값을 초과하면, 상기 본체의 이동 경로가 폐곡선을 형성한 것으로 판단하는 것을 특징으로 하는 이동 로봇. - 제1항에 있어서,
상기 제어부는,
상기 본체의 이동 경로가 폐곡선을 형성한 것으로 판단되면, 상기 구동부의 벽면 주행을 중단시키고, 상기 본체를 상기 일 영역의 외부로 이동시키도록 상기 구동부를 제어하는 것을 특징으로 하는 이동 로봇. - 제1항에 있어서,
상기 동작 영역 내에 존재하는 장애물과 관련된 정보를 검출하는 센서부 및
상기 검출된 장애물과 관련된 정보와, 상기 본체의 이동 이력과 관련된 정보 중 적어도 하나를 저장하는 메모리를 더 포함하고,
상기 제어부는,
상기 센서부에서 검출된 장애물과 관련된 정보에 근거하여, 상기 본체를 상기 일 영역의 외부로 이동시키기 위한 탈출 경로를 설정하는 것을 특징으로 하는 이동 로봇. - 제4항에 있어서,
상기 제어부는,
상기 본체의 이동 경로에 의해 형성된 폐곡선 내부에 장애물이 존재하면, 상기 구동부의 벽면 주행을 중단시키고, 상기 본체를 상기 장애물로부터 소정의 거리만큼 이격되도록 상기 구동부를 제어하는 것을 특징으로 하는 이동 로봇. - 제4항에 있어서,
상기 제어부는,
상기 본체의 이동 경로에 의해 형성된 폐곡선 외부에 장애물이 존재하면, 상기 구동부의 벽면 주행을 중단시키고, 상기 본체가 상기 일 영역으로 진입한 경로를 따라 역행함으로써 상기 일 영역을 탈출하도록 상기 구동부를 제어하는 것을 특징으로 하는 이동 로봇. - 제4항에 있어서,
상기 제어부는,
상기 본체의 이동 경로에 의해 형성된 폐곡선 외부에 장애물이 존재하면, 상기 구동부의 벽면 주행을 중단시키고, 상기 본체가 상기 일 영역으로 진입한 지점으로 상기 본체를 이동시키도록 상기 구동부를 제어하는 것을 특징으로 하는 이동 로봇. - 제2항에 있어서,
상기 제어부는,
상기 본체의 이동 경로에 의해 폐곡선이 형성되는 동안 상기 본체가 회전한 방향에 근거하여, 상기 본체를 상기 일 영역의 외부로 이동시키기 위한 탈출 경로를 설정하는 것을 특징으로 하는 이동 로봇. - 제5항 내지 제8항 중 어느 한 항에 있어서,
상기 제어부는,
상기 본체가 상기 일 영역으로부터 탈출한 것으로 판단되면, 상기 구동부가 벽면 주행을 다시 수행하도록 상기 구동부를 제어하는 것을 이동 로봇. - 제1항에 있어서,
상기 본체의 이동 경로가 폐곡선을 형성한 것으로 판단되면, 상기 이동 로봇의 상태 정보를 출력하는 출력부를 더 포함하는 것을 특징으로 하는 이동 로봇.
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AU2017306255A AU2017306255B2 (en) | 2016-08-03 | 2017-07-20 | Mobile robot and control method therefor |
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DE112017003905.3T DE112017003905B4 (de) | 2016-08-03 | 2017-07-20 | Mobiler Roboter und Steuerverfahren dafür |
US15/666,987 US10551841B2 (en) | 2016-08-03 | 2017-08-02 | Moving robot and method of controlling the same |
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