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¿µ¹®Ç¥Áظí Smart sensor for the artificial taste system
Çѱ۳»¿ë¿ä¾à º» Ç¥ÁØÀº IEEE 1451.4¸¦ ÀÌ¿ëÇÏ¿© Àΰø¹Ì°¢ÃøÁ¤ ½Ã½ºÅÛÀ» À§ÇÑ ¹Ì°¢ ¼¾¼­°¡ µðÁöÅÐÁ¤º¸¸¦ Àü¼Û(Åë½Å)ÇÒ ¼ö ÀÖµµ·Ï Çϱâ À§ÇÑ ÀÎÅÍÆäÀ̽º¿Í ÇÁ·ÎÅäÄÝÀ» Á¤ÀÇÇÑ´Ù. ¶ÇÇÑ ¹Ì°¢¼¾¼­¸¦ À§ÇÑ TEDS Æ÷¸ËÀ» Á¤ÀÇÇÑ´Ù.

Á¤ÀÇµÈ Ç¥ÁØÀÇ ±â´É°ú ¸ñÀûÀº ´ÙÀ½°ú °°´Ù.

- Ç÷¯±× ¾Ø Ç÷¹ÀÌ°¡ °¡´ÉÇÑ MMI¸¦ ÅëÇÑ Ç¥ÁØ ÀÎÅÍÆäÀ̽º
- ±â´É ¹× Ķ¸®ºê·¹ÀÌ¼Ç °ú °°Àº ¹Ì°¢¼¾¼­ÀÇ ±¸Ã¼Àû Á¤º¸¸¦ Á¦°øÇϱâ À§ÇÑ TEDS Templates ÀÇ ¼³°è, ¶ÇÇÑ Àΰø¹Ì°¢ ½Ã½ºÅÛ¿¡ ¹Ì°¢¼¾¼­¸¦ ¿¬°áÇÔ¿¡ ÀÖ¾î À§¿Í °°Àº ¿ä±¸»çÇ×À» ¸¸Á·Çϱâ À§ÇÑ ´ÙÀ½°ú °°Àº Ư¼ºÀÌ Áö¿øµÇ¾î¾ß ÇÑ´Ù.
- MMI (Mixed Mode Interface) : MMI´Â ½Ã½ºÅÛ°ú ¼¾¼­°£ÀÇ ÀÎÅÍÆäÀ̽º¸¦ Á¤ÀÇÇÑ´Ù. µÎ °¡ÁöÀÇ ¿¬°á ¹æ½ÄÀÌ ÀÖÀ¸¸ç, ¾Æ³¯·Î±×¿Í µðÁöÅÐÀ» ¿¬°áÇÒ ¼ö ÀÖ´Ù. ù ¹ø° ¹æ½ÄÀº Class 1À¸·Î ¼¾¼­ÀÇ ½ÅÈ£¿Í, TEDS Á¤º¸¸¦ °°Àº ¼±À¸·Î ¿¬°áµÇ´Â ±¸Á¶¸¦ °¡Áö°í ÀÖ´Ù. ¼¾¼­´Â °ø±ÞµÇ´Â Àü¿øÀÌ ¾øÀ̵µ µ¿ÀÛÇÏ´Â ÇüÅÂÀÏ ¶§ »ç¿ëµÇ´Â ±¸Á¶ÀÌ´Ù. µÎ ¹ø°·Î Class 2´Â ¼¾¼­¿¡ Àü¿øÀÌ °ø±ÞµÇ¾î¾ß µ¿ÀÛÇÏ´Â ÇüÅÂÀÏ ¶§ »ç¿ëÇÏ´Â ±¸Á¶·Î, ¼¾¼­¿¡´Â Àü¿øÀÌ °ø±ÞµÇ°í, ½ÅÈ£´Â ¾Æ³¯·Î±×·Î µÎ °³ÀÇ ¼±ÀÌ ¿¬°áµÇ¸ç, TEDS Á¤º¸´Â µðÁöÅÐ ½ÅÈ£·Î °¢°¢ µÎ °³ÀÇ ¼±À¸·Î ¿¬°áµÇ´Â ±¸Á¶ÀÌ´Ù.
- ¹Ì°¢¼¾¼­¸¦ À§ÇÑ TEDS (Transducer Electronic Data Sheet) : TEDS´Â ¼¾¼­ÀÇ Á¤º¸¸¦ µðÁöÅÐ Æ÷¸ËÀ¸·Î Á¤ÀÇÇÏ¿©, ¸Þ¸ð¸®¿¡ ÀúÀåÇÑ´Ù. TEDS´Â ¼¾¼­ÀÇ Æ¯Â¡°ú Ư¼º µî ÃøÁ¤¿¡ °ü·ÃµÈ Áß¿äÇÑ Á¤º¸°¡ Æ÷ÇԵǾî ÀÖ´Ù. Basic TEDS, template TEDS, calibration TEDS, ±×¸®°í user dataÀÇ ºí·ÏÀ¸·Î ³ª´­ ¼ö ÀÖ´Ù. Basic TEDS¿¡´Â ¼¾¼­ Á¦Á¶»ç, ¼¾¼­ÀϷùøÈ£, ¸ðµ¨¹øÈ£ µîÀÌ Ç¥ÇöµÇ°í, template TEDS¿¡´Â ¹Ì°¢ ¼¾¼­¿¡ ´ëÇÑ Æ¯¼º, Ư¡ÀÌ Ç¥ÇöµÈ´Ù. Calibration TEDS´Â ¹Ì°¢¼¾¼­ÀÇ calibration¿¡ °üÇÑ Á¤º¸°¡ Ç¥ÇöµÇ¸ç, user data´Â »ç¿ëÀÚ¿¡ ÀÇÇØ ¾²¿©Áö´Â µ¥ÀÌÅÍÀÌ´Ù.
¿µ¹®³»¿ë¿ä¾à This standard defines the protocol and interface that allows analog taste sensors for artificial taste measurement system to communicate digital information with an IEEE 1451.4. It also defines the format of TEDS(Transducer Electronic Data Sheet) for taste sensor.

The function and purpose of this standard are as followings :
- MMI standard interface which enables plug-and-play capability
- Design of TEDS templates to provide the specific information of taste sensors such as the function and calibration

The IEEE 1451.4 MMI connects the transducer conforming to this standard and NCAP or data acquisition system for both analog signals and digital TEDS data. This standard is defined by two classes, namely, Class 1 and Class 2 interfaces.
Class 1 MMI is defined for the sequential transmission of either a transducer signal or digital TEDS data on a single connection. Class 1 shall allow a transducer signal and power, or digital TEDS data and power, to make alternate use of the same connection. Class 1 transducers utilize the existing analog standard by adding the TEDS to a switch that is controlled by the direction of the. By reversing the direction of the current, the data acquisition system switches the sensor into digital TEDS mode.
Class 2 MMIs use separate connections for transducer signals and digital TEDS data. These allow simultaneous access to a transducer signal and digital TEDS data, and Class 2 connections may share a common return

The TEDS information for taste sensors consists of basic TEDS, standard template TEDS, calibration TEDS template, and user data.
The basic TEDS includes the manufacturer ID, model number, version letter, and serial number of the sensor. The template TEDS records the type of the taste sensor, sensitivity of the taste sensor, range of measurement, bandwidth, etc. Moreover the calibration TEDS template comprises the date of last calibration, correction engine coefficients, etc. Consequently, a TEDS contains the critical information required to use the taste sensors.
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