Á¦¾î¼º´É°ü¸®½Ã½ºÅÛ PID ÃÖÀûÈ­ ¼ÒÇÁÆ®¿þ¾î RINFOS-Web ºñÁ¤»ó »óȲ°ü¸® ½Ã½ºÅÛ APC ¼Ö·ç¼Ç ¼øÂ÷Àû ÃÖÀûÈ­ ¼Ö·ç¼Ç ½Ç½Ã°£ µ¥ÀÌÅͺ£À̽º »ê¾÷¿ë HMI/SCADA OPC ¼Ö·ç¼Ç
APC ¼Ö·ç¼ÇÀ̶õ?
APC (Advanced Process Control)´Â »ê¾÷ °øÁ¤ Á¦¾î ½Ã½ºÅÛ ³»¿¡ ±¸ÇöµÇ´Â ±¤¹üÀ§ÇÑ ±â¼úÀÔ´Ï´Ù. °í±Þ ÇÁ·Î¼¼½º Á¦¾î´Â ÇÊ¿ä¿¡ µû¶ó ÀϹÝÀûÀ¸·Î ±âº» °øÁ¤Á¦¾î ±â¼ú¿¡ Ãß°¡µÇ¾î »ç¿ëµË´Ï´Ù. ´ëÇ¥ÀûÀÎ ±â¼úÀº Çǵå Æ÷¿öµå, µðÄ¿Çøµ ¹× Ãß·Ð Á¦¾î¿Í °°Àº ¸î °¡Áö ÀÔÁõ µÈ °í±Þ Á¦¾î ±â¼úÀ» ¸»ÇÕ´Ï´Ù. APC¿¡´Â ¾Æ·¡¿¡ ¼³¸í µÈ Model Predictive Controlµµ Æ÷Ç﵃ ¼ö ÀÖÀ¸¸ç, ÀϹÝÀûÀ¸·Î DCS ·¹º§¿¡¼­ ±â´É ºí·Ï ¶Ç´Â »ç¿ëÀÚ Á¤ÀÇ ÇÁ·Î±×·¡¹Ö ±â´ÉÀ» »ç¿ëÇÏ¿© ±¸ÇöµË´Ï´Ù. ¶ÇÇÑ °æ¿ì¿¡ µû¶ó °¨µ¶Á¦¾î ÄÄÇ»ÅÍ ¼öÁØ¿¡¼­ ÀÛµ¿ÇÏ°Ô µË´Ï´Ù.

MPC (Multivariable Model Predictive Control)´Â ÀϹÝÀûÀ¸·Î °¨½Ã Á¦¾î ÄÄÇ»ÅÍ¿¡ ¹èÆ÷µÇ´Â Áß¿äÇÑ ±â¼ú·Î, °øÁ¤¿¡¼­ Áß¿äÇÑ µ¶¸³ º¯¼ö¿Í Á¾¼Ó º¯¼ö°£ÀÇ µ¿Àû °ü°è (¸ðµ¨)¸¦ ±ÔÁ¤ÇÏ°í, ¿©·¯ º¯¼ö¸¦ µ¿½Ã¿¡ Á¦¾îÇϱâ À§ÇØ Á¾Á¾ ¼öÇÐ Çà·Ä ±â¹Ý Á¦¾î ¹× ÃÖÀûÈ­ ¾Ë°í¸®ÁòÀ» »ç¿ëÇÕ´Ï´Ù. ¼øÂ÷Àû Á¦¾î´Â ¿¬¼Ó ÇÁ·Î¼¼½º ³»¿¡¼­ ¹ß»ýÇÏ´Â ºÒ¿¬¼Ó ½Ã°£ ¹× À̺¥Æ® ±â¹Ý ÀÚµ¿È­ ½ÃÄö½º¸¦ ¸»ÇÕ´Ï´Ù.

À̵éÀº ½Ã°£ ¹× ³í¸® ÇÔ¼ö ºí·Ï, Ä¿½ºÅÒ ¾Ë°í¸®Áò ¶Ç´Â °ø½ÄÈ­ µÈ ¼øÂ÷ ÇÔ¼ö Â÷Æ® ¹æ¹ý·ÐÀÇ ¸ðÀ½À¸·Î ±¸Çö µÉ ¼ö ÀÖ½À´Ï´Ù. Áö´ÉÇü Á¦¾î´Â ½Å°æ¸Á, º£ÀÌÁö¾È È®·ü, ÆÛÁö ³í¸®, ±â°è ÇнÀ, ÁøÈ­ °è»ê ¹× À¯ÀüÀÚ ¾Ë°í¸®Áò°ú °°Àº ´Ù¾çÇÑ Àΰø Áö´É ÄÄÇ»Æà Á¢±Ù ¹æ½ÄÀ» »ç¿ëÇÏ´Â Á¦¾î ±â¼úÀÔ´Ï´Ù.
Á¦¾î¼º´É°ü¸®½Ã½ºÅÛ
: MANTRA
ControlSoft»çÀÇ MANTRA´Â È®Àå °¡´ÉÇÑ °í±Þ ÇÁ·Î¼¼½º Á¦¾î ±¸ÇöÀ» ÅëÇØ ÃÖÀûÀÇ Ç÷£Æ® ¼º´ÉÀ» À§ÇÑ Ç¥ÁØ PID Á¦¾î°¡ ÃÖÀûÀÇ °á°ú¸¦ Á¦°øÇϱ⠾î·Á¿î °øÁ¤ Á¦¾î ·çÇÁ¿¡ ´ëÇÑ °í±Þ Á¦¾î¸¦ Á¦°ø ÇÒ ¼ö ÀÖ½À´Ï´Ù. ƯÈ÷ ¼øÂ÷Àû Á¦¾î(Sequential control) ¿Í MPC (Model Predictive Control)À» µ¿½Ã¿¡ ¼öÇàÇÒ ¼ö Àִ Ư¡À» Á¦°øÇÕ´Ï´Ù.

MANTRA ¼ÒÇÁÆ®¿þ¾î´Â ¼Õ½¬¿î ±¸Çö ¹× À¯Áö º¸¼ö°¡ °¡´ÉÇϵµ·Ï ±×·¡ÇÈ ±â¹Ý ÇÁ·Î±×·¡¹Ö ȯ°æÀ» °®Ãá PC ±â¹Ý °¨µ¶ Á¦¾î ½Ã½ºÅÛÀÔ´Ï´Ù. ƯÇã¹ÞÀº ¸ðµ¨ ±â¹Ý Á¦¾î ±â¼úÀ» È°¿ëÇÏ°í Á¦¾î ³×Æ®¿öÅ©¿¡¼­ ½ÇÇàÇÏ´Â MANTRA ¼ÒÇÁÆ®¿þ¾î´Â ±âÁ¸ DCS, PLC ¶Ç´Â Ç÷£Æ® Àüü Á¤º¸ ½Ã½ºÅÛ°ú ÇÔ²² ½Ç½Ã°£À¸·Î Á¦¾î °è»êÀ» ½ÇÇàÇÕ´Ï´Ù.

¸ðµç Á¦¾î ºí·Ï¿¡´Â Çǵå Æ÷¿öµå, ÃßÀû ¹× °æº¸¿Í °°Àº °í±Þ ±â´ÉÀÌ ³»ÀåµÇ¾î ÀÖ½À´Ï´Ù. PID¸¦ ½Ã°£ ºñ·Ê, À§Ä¡ ºñ·Ê ¹× ¸®µå Áö¿¬ º¸»ó°ú °°Àº Ư¼ö ±â´É°ú °áÇÕÇÏ¸é º¹ÀâÇÑ ÇÁ·Î¼¼½º Á¦¾î ü°è¸¦ ½±°Ô °³¹ßÇÒ ¼ö ÀÖ½À´Ï´Ù. Á¦°øµÇ´Â ±â´Éºí·°Àº ¾Æ·¡¿Í °°½À´Ï´Ù.

a. Internal Model Control (IMC) - use to control a single process variable to its setpoint using a single controller output (similar to PID control blocks)
b. Coordinated Control (CC) - use to control a single process variable to its setpoint using multiple controller outputs.
c. Modular Multivariable Control (MMC) - use to control multiple process variables to the setpoints using multiple controller outputs.
d. Cascade PID (PID2) - use to implement an outer loop/inner loop PID controller; sometimes two controllers can do a better job of keeping one process variable where you want it.
e. Multiple Parameter PID (PID+) - use more than one set of PID parameters to control a PID block.
f. Time of Day Pumping (TDP) - Optimize pumping schedules based on energy costs.
ControlSoft ¿£Áö´Ï¾î¿Í APST ¿£Áö´Ï¾î´Â MANTRA ¼ÒÇÁÆ®¿þ¾î ³»¿¡¼­ ¸ðµ¨ ±â¹Ý Á¦¾î¸¦ ¼³°èÇÏ°í DCS / PLC Á¦¾î ·ÎÁ÷À» ¼öÁ¤ÇÏ¿© Ç÷£Æ®ÀÇ °í±Þ ÇÁ·Î¼¼½º Á¦¾î¸¦ ¾ÈÁ¤ÀûÀ¸·Î ¾ÈÀüÇÏ°Ô ±¸ÇöÇÒ ¼ö ÀÖµµ·Ï µµ¿ÍÁÝ´Ï´Ù.

a. Á¦¾î ÇÁ·Î±×·¡¹Ö ½Ã°£ 50 % ÀÌ»ó ´ÜÃà
b. ±âÁ¸ ºñÁî´Ï½º ¹× °øÀå ÀÎÇÁ¶ó¿Í ÅëÇÕ
c. ÀÚº» ÅõÀÚ¾øÀÌ °øÁ¤ ¼º´É °³¼±
d. ¾ÈÀü¼º Çâ»ó ¹× À§Çè °¨¼Ò
e. ½Ã½ºÅÛ ¼³Ä¡ ÈÄ »ç¿ëÀÚ ±³À° Á¦°ø
Âü°íÀÚ·á : MANTRA È°¿ë»ç·Ê 1_ Combined Cycle ÀÇ MANTRA Àû¿ë
´Ù¿î·Îµå


Âü°íÀÚ·á : MANTRA È°¿ë»ç·Ê 2_ Water ApplicationsÀÇ MANTRA Àû¿ë
´Ù¿î·Îµå