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Çѱ¹°ÇÃà½Ã°øÇÐȸ / v.10, no.3, 2010³â, pp.65-70
¹«¼± RF¸ðµ©°ú GPS¸¦ ÅëÇÕÇÑ Å¸¿öÅ©·¹ÀÎÀÇ Ã¶°ñºÎÀçÀÇ ½Ç½Ã°£ ¾çÁßÀ§Ä¡ ÃßÀû½Ã½ºÅÛ °³¹ß
( Development of a Real-time Lifting-path Tracking System of a Tower-crane for Steel Members based on an Integrated Wireless RF Modem and GPS System )
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ö°ñ°ø»ç´Â °í¼Ò¿¡¼­ ÀÛ¾÷À» ÇÏ¸ç ¸¹Àº À§Çè¿ä¼Ò°¡ µû¸£¸ç, ¾ÈÀü¼º°ú »ý»ê¼ºÀ» Çâ»ó½Ã۱â À§ÇØ ·Îº¸Æ½ Å©·¹Àΰ³¹ßÀ» À§ÇÑ ÇÁ·ÎÁ§Æ®°¡ ÁøÇàµÇ¾ú´Ù. ±× ù ¹øÂ° ´Ü°è·Î¼­ ½Ç½Ã°£ ¾çÁßÀ§Ä¡¸¦ ÃßÀûÇÏ´Â ½Ã½ºÅÛÀ» °³¹ßÇÏ¿´´Âµ¥, º» ¿¬±¸¿¡¼­´Â À̸¦ À§ÇÏ¿© x, y, z ÁÂÇ¥¸¦ ½±°Ô ¾òÀ» ¼ö ÀÖ´Â GPS ¼¾¼­¸¦ »ç¿ëÇÏ¿´´Ù. ¶ÇÇÑ, º» ¿¬±¸¿¡¼­´Â µ¥ÀÌÅÍÀÇ Á¤È®µµ¸¦ Çâ»ó½Ã۱â À§ÇØ 2´ëÀÇ GPS¼¾¼­¸¦ »ç¿ëÇÏ¿´À¸¸ç, RF¸ðµ©À» ÀÌ¿ëÇÑ ¹«¼±ÀÎ½Ä ÅÂ±×¿Í ÇÔ²² ÅëÇÕµÈ ¾çÁß°æ·Î ÃßÀû ½Ã½ºÅÛÀ» °³¹ßÇÏ¿´´Ù. °³¹ßµÈ ¹«¼±ÀÎ½Ä ÅÂ±×¿Í RF¸ðµ© ±â¹ÝÀÇ GPS ¼¾¼­´Â ÇÔ²² ÃÖ´ë 1 km±îÁö ¾ÈÁ¤ÀûÀ¸·Î ½ÅÈ£¸¦ Àü¼ÛÇÒ ¼ö ÀÖÀ¸¸ç, GPSÀÇ »ó´ëÃøÀ§±â¹ýÀ» »ç¿ëÇÏ¿© ±× ¿ÀÂ÷¸¦ Æò±Õ 0.61 m±îÁö ÁÙÀÏ ¼ö ÀÖ´Ù.
Steel frame construction in high places entails many risk factors. In order to improve the safety and productivity of steel frame construction, a project to develop a robotic tower-crane has been undertaken. As the first step, a real-time lifting-path tracking system is being developed. In a previous study, a laser-based tracking system was proposed. While a laser-based tracking system requires at least three laser sensors to detect the x, y, z coordinates of a lifted steel member, a GPS-based system has an advantage over the laser-based system, in that the x, y, z coordinates of a lifted steel member can be detected by a single GPS sensor. To improve the accuracy, arelative positioning method using two GPS sensors was proposed in a previous study. This paper reports an improved GPS-based lifting-path tracking system of a tower crane based on an integrated RF modem and GPS system. The results showedthat the RF modem could successfully send the identifier information to a server a maximum distance of 1 km away from the lifted steel beam, and the lifting path information of each beam captured by the GPS-based tracking system was successfully saved together. Also, byusing an improved algorithm for the GPS relative positioning method, the deviation was reduced to 0.61 m on average.
 
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Ÿ¿öÅ©·¹ÀÎ;GPS »ó´ëÃøÀ§;ÀÚµ¿È­;tower-crane;GPS relative positioning;automation;
 
Çѱ¹°ÇÃà½Ã°øÇÐȸÁö / v.10, no.3, 2010³â, pp.65-70
Çѱ¹°ÇÃà½Ã°øÇÐȸ
ISSN : 1598-2033
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO201027042828462)
¾ð¾î : Çѱ¹¾î
³í¹® Á¦°ø : KISTI Çѱ¹°úÇбâ¼úÁ¤º¸¿¬±¸¿ø
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