WIPO logo
Mobile | Deutsch | Español | Français | 日本語 | 한국어 | Português | Русский | 中文 | العربية |
PATENTSCOPE

Search International and National Patent Collections
World Intellectual Property Organization
Search
 
Browse
 
Translate
 
Options
 
News
 
Login
 
Help
 
Machine translation
1. (WO2010030142) POSITION RECOGNITION METHOD FOR A MOBILE ROBOT DEVICE
Latest bibliographic data on file with the International Bureau   

Pub. No.:    WO/2010/030142    International Application No.:    PCT/KR2009/005174
Publication Date: 18.03.2010 International Filing Date: 11.09.2009
IPC:
B25J 13/08 (2006.01), G05D 1/02 (2006.01), G06K 17/00 (2006.01)
Applicants: TONGMYONG UNIVERSITY INDUSTRIAL-ACADEMIC COOPERATION FOUNDATION [KR/KR]; 535 Yongdang-dong, Nam-gu Busan 618-270 (KR) (For All Designated States Except US).
KIM, Sang Woo [KR/KR]; (KR) (For US Only).
PARK, Young Soo [KR/KR]; (KR) (For US Only).
LEE, Je Won [KR/KR]; (KR) (For US Only).
PARK, Jee Hoon [KR/KR]; (KR) (For US Only)
Inventors: KIM, Sang Woo; (KR).
PARK, Young Soo; (KR).
LEE, Je Won; (KR).
PARK, Jee Hoon; (KR)
Agent: MI PATENT & LAW FIRM; 5Fl., Hongeun bldg., 824-22 Yeoksam-dong, Gangnam-gu Seoul 135-080 (KR)
Priority Data:
10-2008-0089767 11.09.2008 KR
10-2008-0089772 11.09.2008 KR
Title (EN) POSITION RECOGNITION METHOD FOR A MOBILE ROBOT DEVICE
(FR) PROCÉDÉ DE RECONNAISSANCE DE POSITION POUR UN DISPOSITIF DE ROBOT MOBILE
(KO) 이동 로봇 장치의 위치 인식 방법
Abstract: front page image
(EN)The present invention relates to a position recognition method for a mobile robot using radio frequency identification (RFID), and to a mobile robot using the method. More specifically, the present invention relates to a position recognition method for a mobile robot which moves over the floor to which a plurality of RFID tags are attached at predetermined intervals, the method comprising the steps of: emitting an RFID signal to the plurality of RFID tags; receiving identification data and position data from the plurality of RFID tags; adjusting the strength of the transmission power with which the RFID signal is emitted, corresponding to the received position data of the plurality of RFID tags; and deducing the current position of the mobile robot by the received position data of the plurality of RFID tags and the strength of the adjusted transmission power. The present invention enables more accurate recognition of the position of the mobile robot by dividing the strength of the transmission power of an RFID reader into a plurality of levels, and altering the transmission power between these levels. In particular, the present invention enables accurate recognition of the position of the mobile robot even when the distance between the RFID tags is large, and consequently even when a small number of RFID tags are installed. Thus, the present invention is also highly advantageous economically in that it can reduce the cost of installing the RFID tags.
(FR)La présente invention concerne un procédé de reconnaissance de position pour un dispositif de robot mobile utilisant l'identification par radiofréquence (RFID), ainsi qu'un dispositif de robot mobile utilisant ledit procédé. Plus spécifiquement, la présente invention concerne un procédé de reconnaissance de position pour un dispositif de robot mobile qui se déplace sur un sol sur lequel une pluralité d'étiquettes RFID ont été fixées à des intervalles donnés avec un espacement fixe, et le procédé comprend les étapes consistant: à émettre un signal RFID vers la pluralité d'étiquettes RFID; à recevoir des données d'identification et des données de position en provenance de la pluralité d'étiquettes RFID; à ajuster la force de la puissance d'émission avec laquelle le signal RFID est émis, correspondant aux données de position reçues de la pluralité d'étiquettes RFID; et à déduire la position actuelle du dispositif de robot mobile au moyen des données de position reçues de la pluralité d'étiquettes RFID et de la force de la puissance d'émission ajustée. La présente invention permet une reconnaissance plus précise de la position du robot mobile par division de la force de la puissance d'émission d'un lecteur RFID en une pluralité de niveaux, et par modification de la puissance d'émission entre ces niveaux. En particulier, la présente invention permet une reconnaissance précise de la position du robot mobile même lorsque la distance entre les étiquettes RFID est importante, et elle permet ainsi une reconnaissance précise de la position du robot mobile même lorsqu'un faible nombre d'étiquettes RFID est installé. Par conséquent, la présente invention est hautement avantageuse sur le plan économique et est caractérisée en ce qu'elle réduit le coût d'installation des étiquettes RFID.
(KO)본 발명은 RFID를 이용한 이동 로봇 장치의 위치 인식 방법 및 그 방법을 이용하는 이동 로붓 장치에 관한 것이다. 본 발명에 따르면 복수의 RFID 태그가 일정 간격으로 이격되어 부착되어 있는 바닥을 이동하는 이동 로봇 장치의 위치 인식 방법에 있어서, 복수의 RFID 태그로 RFID 신호를 송출하는 단계, 복수의 RFID 태그로부터 식별 정보와 위치 정보를 수신하는 단계, 수신된 복수의 RFID 태그의 위치 정보에 대응하여 RFID 신호를 송출시키는 송신전력의 세기를 조절하는 단계, 수신된 복수의 RFID 태그의 위치 정보와 조절된 송신전력의 세기를 통하여 이동 로봇 장치의 현재 위치를 추정하는 단계를 포함한다. 본 발명에 의하면, RFID 리더의 송신전력의 세기를 여러 레벨로 나누어 변경시킴으로써 이동 로봇의 위치를 더욱 정확하게 인식할 수 있다. 특히 RFID 태그 사이의 거리가 큰 경우에도 정확하게 이동 로봇의 위치를 인식할 수 있으므로, 적은 개수의 RFID 태그를 설치하더라도 이동 로봇의 위치를 정확하게 인식할 수 있다. 따라서 RFID 태그의 설치 비용을 절감할 수 있어 경제적으로도 매우 효율적이다.
Designated States: AE, AG, AL, AM, AO, AT, AU, AZ, BA, BB, BG, BH, BR, BW, BY, BZ, CA, CH, CL, CN, CO, CR, CU, CZ, DE, DK, DM, DO, DZ, EC, EE, EG, ES, FI, GB, GD, GE, GH, GM, GT, HN, HR, HU, ID, IL, IN, IS, JP, KE, KG, KM, KN, KP, KZ, LA, LC, LK, LR, LS, LT, LU, LY, MA, MD, ME, MG, MK, MN, MW, MX, MY, MZ, NA, NG, NI, NO, NZ, OM, PE, PG, PH, PL, PT, RO, RS, RU, SC, SD, SE, SG, SK, SL, SM, ST, SV, SY, TJ, TM, TN, TR, TT, TZ, UA, UG, US, UZ, VC, VN, ZA, ZM, ZW.
African Regional Intellectual Property Organization (BW, GH, GM, KE, LS, MW, MZ, NA, SD, SL, SZ, TZ, UG, ZM, ZW)
Eurasian Patent Organization (AM, AZ, BY, KG, KZ, MD, RU, TJ, TM)
European Patent Office (AT, BE, BG, CH, CY, CZ, DE, DK, EE, ES, FI, FR, GB, GR, HR, HU, IE, IS, IT, LT, LU, LV, MC, MK, MT, NL, NO, PL, PT, RO, SE, SI, SK, SM, TR)
African Intellectual Property Organization (BF, BJ, CF, CG, CI, CM, GA, GN, GQ, GW, ML, MR, NE, SN, TD, TG).
Publication Language: Korean (KO)
Filing Language: Korean (KO)