Mobile QR Code QR CODE : Korean Journal of Air-Conditioning and Refrigeration Engineering

  1. ๋ถ€์‚ฐ๋Œ€ํ•™๊ต ๊ฑด์ถ•๊ณตํ•™๊ณผ ์„์‚ฌ๊ณผ์ • (Master Course, Department of Architecture Engineering, Pusan National University, Busan 46241, Korea)
  2. ๋ถ€์‚ฐ๋Œ€ํ•™๊ต ๊ฑด์ถ•๊ณตํ•™๊ณผ ์„๋ฐ•์‚ฌํ†ตํ•ฉ๊ณผ์ • (Doctoral Course, Department of Architecture Engineering, Pusan National University, Busan 46241, Korea)
  3. ๋ถ€์‚ฐ๋Œ€ํ•™๊ต ์ƒ์‚ฐ๊ธฐ์ˆ ์—ฐ๊ตฌ์†Œ ๋ฐ•์‚ฌํ›„์—ฐ๊ตฌ์› (Post-doctoral Researcher, Research Institute of Industrial Technology, Pusan National University, Busan 46241, Korea)
  4. ๋ถ€์‚ฐ๋Œ€ํ•™๊ต ๊ฑด์ถ•๊ณตํ•™๊ณผ ๊ต์ˆ˜ (Professor, Department of Architecture Engineering, Pusan National University, Busan 46241, Korea)



์„ฑ๋Šฅ๊ณ„์ˆ˜, ์—๋„ˆ์ง€ ํšจ์œจ, ์ตœ์  ์ œ์–ด, ์ œ๋กœ์—๋„ˆ์ง€๊ฑด์ถ•๋ฌผ
Coefficient of performance, Energy efficiency, Optimal Control, Zero energy building

๊ธฐํ˜ธ์„ค๋ช…

$T_{PVT,\: out}$ ๏ผš ํƒœ์–‘๊ด‘์—ด ๋ชจ๋“ˆ์˜ ์ถœ์ˆ˜์˜จ๋„ [โ„ƒ]
$T_{PVT,\: in}$ ๏ผš ํƒœ์–‘๊ด‘์—ด ๋ชจ๋“ˆ์˜ ์ž…์ˆ˜์˜จ๋„ [โ„ƒ]
$T_{HP,\: out}$ ๏ผš ํžˆํŠธํŽŒํ”„์˜ ์ถœ์ˆ˜์˜จ๋„ [โ„ƒ]
$T_{HP,\: in}$ ๏ผš ํžˆํŠธํŽŒํ”„์˜ ์ž…์ˆ˜์˜จ๋„ [โ„ƒ]
$T_{outdoor}$ ๏ผš ์‹ค์™ธ์˜จ๋„ [โ„ƒ]
$T_{indoor}$ ๏ผš ์‹ค๋‚ด์˜จ๋„ [โ„ƒ]
$T_{ST1}$ ๏ผš 1๋ฒˆ ์ถ•์—ด์กฐ์˜ ์˜จ๋„ [โ„ƒ]
$T_{ST2}$ ๏ผš 2๋ฒˆ ์ถ•์—ด์กฐ์˜ ์˜จ๋„ [โ„ƒ]
$P_{1}$ ๏ผš 1๋ฒˆ ์ˆœํ™˜ํŽŒํ”„ [-]
$P_{2}$ ๏ผš 2๋ฒˆ ์ˆœํ™˜ํŽŒํ”„ [-]
$P_{3}$ ๏ผš 3๋ฒˆ ์ˆœํ™˜ํŽŒํ”„ [-]
$P_{HP}$ ๏ผš ํžˆํŠธํŽŒํ”„์˜ ์†Œ๋น„์ „๋ ฅ [kW]
$P_{pump}$ ๏ผš ์ˆœํ™˜ํŽŒํ”„์˜ ์†Œ๋น„์ „๋ ฅ [kW]
$P_{FCU}$ ๏ผš ํŒฌ์ฝ”์ผ์œ ๋‹›์˜ ์†Œ๋น„์ „๋ ฅ [kW]
$Q_{HP}$ ๏ผš ํžˆํŠธํŽŒํ”„์˜ ์—ด๊ตํ™˜์œจ [kW]
$COP_{HP}$ ๏ผš ํžˆํŠธํŽŒํ”„์˜ ์„ฑ๋Šฅ ๊ณ„์ˆ˜ [-]
$COP_{SYS}$ ๏ผš ์‹œ์Šคํ…œ ์ „์ฒด์˜ ์„ฑ๋Šฅ ๊ณ„์ˆ˜ [-]
$m_{pri}$ ๏ผš ์ˆœํ™˜ํŽŒํ”„์˜ ์ˆœํ™˜์ˆ˜ ์œ ๋Ÿ‰ [L/min]
$R_{solar}$ ๏ผš ํƒœ์–‘๊ด‘์—ด ๋ชจ๋“ˆ์˜ ์ „๋ ฅ์ƒ์‚ฐ๋Ÿ‰ [W/mยฒ]

1. ์„œ ๋ก 

1.1 ์—ฐ๊ตฌ ๋ฐฐ๊ฒฝ ๋ฐ ํ•„์š”์„ฑ

๊ฑด๋ฌผ ๋ถ€๋ฌธ์€ ์ „ ์„ธ๊ณ„ ์—๋„ˆ์ง€ ์†Œ๋น„์™€ ํƒ„์†Œ ๋ฐฐ์ถœ์—์„œ ์ค‘์š”ํ•œ ๋น„์ค‘์„ ์ฐจ์ง€ํ•˜๊ณ  ์žˆ๋‹ค. ๊ตญ์ œ์—๋„ˆ์ง€๊ธฐ๊ตฌ(IEA)์— ๋”ฐ๋ฅด๋ฉด, ๊ฑด์ถ• ํ™˜๊ฒฝ์—์„œ์˜ ์ตœ์ข… ์—๋„ˆ์ง€ ์†Œ๋น„๋Š” ์ „์ฒด ์‚ฐ์—… ์ค‘ ์•ฝ 35%๋ฅผ ์ฐจ์ง€ํ•˜๋ฉฐ, ํƒ„์†Œ ๋ฐฐ์ถœ๋Ÿ‰์€ 38%์— ๋‹ฌํ•œ๋‹ค. ํŠนํžˆ, ๋ƒ‰๋‚œ๋ฐฉ ์‹œ์Šคํ…œ์€ ๊ฑด๋ฌผ ์šด์˜ ๋‹จ๊ณ„์—์„œ ๊ฐ€์žฅ ํฐ ์—๋„ˆ์ง€ ์†Œ๋น„ ํ•ญ๋ชฉ์œผ๋กœ, ์ด๋ฅผ ํšจ์œจ์ ์œผ๋กœ ๊ด€๋ฆฌํ•˜๋Š” ๊ฒƒ์€ ์ง€์† ๊ฐ€๋Šฅํ•œ ๊ฑด์ถ• ์‹คํ˜„์„ ์œ„ํ•œ ํ•ต์‹ฌ ๊ณผ์ œ์ด๋‹ค.(1)

๊ตญ์ œ์‚ฌํšŒ์˜ ๊ธฐํ›„ ์œ„๊ธฐ ๋Œ€์‘์ด ๊ฐ•ํ™”๋จ์— ๋”ฐ๋ผ, 2015๋…„ ํŒŒ๋ฆฌํ˜‘์ • ์ดํ›„ ๊ฐ๊ตญ์€ ๊ตญ๊ฐ€๋ณ„ ์˜จ์‹ค๊ฐ€์Šค ๊ฐ์ถ•๋ชฉํ‘œ (NDCs)๋ฅผ ์ˆ˜๋ฆฝํ•˜๊ณ  ์ด๋ฅผ ์ดํ–‰ํ•˜๊ณ  ์žˆ๋‹ค. ํŠนํžˆ, 2030๋…„๊นŒ์ง€์˜ ๊ฐ์ถ• ๋ชฉํ‘œ๋ฅผ ์„ค์ •ํ•˜๊ณ  2050๋…„ ํƒ„์†Œ์ค‘๋ฆฝ(Net-zero) ์‹คํ˜„์„ ์œ„ํ•ด ๋‹ค๊ฐ์ ์ธ ๋…ธ๋ ฅ์ด ์ง„ํ–‰๋˜๊ณ  ์žˆ๋‹ค. ๊ฑด๋ฌผ์—์„œ ๋ฐœ์ƒํ•˜๋Š” ์—๋„ˆ์ง€ ์†Œ๋น„์™€ ํƒ„์†Œ ๋ฐฐ์ถœ์˜ 27%๋Š” ๊ฑด๋ฌผ ์šด์˜ ๋‹จ๊ณ„์—์„œ ๋ฐœ์ƒํ•˜๋ฉฐ(2), ์ด๋Š” ์„ค๊ณ„์™€ ์‹œ๊ณต๋ฟ๋งŒ ์•„๋‹ˆ๋ผ ์šด์˜ ๋‹จ๊ณ„์—์„œ์˜ ํšจ์œจ์ ์ธ ์—๋„ˆ์ง€ ๊ด€๋ฆฌ๊ฐ€ ํ•„์ˆ˜์ ์ž„์„ ์‹œ์‚ฌํ•œ๋‹ค. ์ด์— ๋”ฐ๋ผ ๊ฑด๋ฌผ ๋ถ€๋ฌธ์˜ ์—๋„ˆ์ง€ ์ ˆ๊ฐ๊ณผ ํƒ„์†Œ ๋ฐฐ์ถœ ๊ฐ์†Œ๋Š” ํƒ„์†Œ์ค‘๋ฆฝ ๋ชฉํ‘œ ๋‹ฌ์„ฑ์„ ์œ„ํ•œ ์ค‘์š”ํ•œ ์š”์†Œ๋กœ ์ฃผ๋ชฉ๋ฐ›๊ณ  ์žˆ์œผ๋ฉฐ, ์‹ ์žฌ์ƒ ์—๋„ˆ์ง€ ์‹œ์Šคํ…œ๊ณผ ๊ณ ํšจ์œจ ์ œ์–ด ๊ธฐ์ˆ ์„ ํ™œ์šฉํ•œ ์ง€์† ๊ฐ€๋Šฅํ•œ ๋ƒ‰๋‚œ๋ฐฉ ๊ด€๋ฆฌ๊ฐ€ ํ•„์ˆ˜์ ์œผ๋กœ ์š”๊ตฌ๋œ๋‹ค.

1.2 ๊ธฐ์กด ์—ฐ๊ตฌ ๋ฐ ํ•œ๊ณ„์ 

์ตœ๊ทผ ์žฌ์ƒ ์—๋„ˆ์ง€ ๊ธฐ๋ฐ˜ ๋ƒ‰๋‚œ๋ฐฉ ์‹œ์Šคํ…œ์ด ์ฃผ๋ชฉ๋ฐ›๊ณ  ์žˆ์œผ๋ฉฐ, ํŠนํžˆ ํƒœ์–‘๊ด‘์—ด(PVT, Photovoltaic-Thermal) ์‹œ์Šคํ…œ๊ณผ ๊ณต๊ธฐ์—ด์› ํžˆํŠธํŽŒํ”„(Air Source Heat Pump, ASHP)์˜ ์œตํ•ฉ ๊ธฐ์ˆ ์ด ์—๋„ˆ์ง€ ํšจ์œจ ํ–ฅ์ƒ์„ ์œ„ํ•œ ์ค‘์š”ํ•œ ๊ธฐ์ˆ ๋กœ ํ‰๊ฐ€๋ฐ›๊ณ  ์žˆ๋‹ค. PVT ์‹œ์Šคํ…œ์€ ํƒœ์–‘๊ด‘ ๋ฐœ์ „๊ณผ ํƒœ์–‘์—ด ํšŒ์ˆ˜๋ฅผ ๋™์‹œ์— ์ˆ˜ํ–‰ํ•  ์ˆ˜ ์žˆ์–ด, ์ „๋ ฅ๊ณผ ์—ด์—๋„ˆ์ง€์˜ ๋™์‹œ ํ™œ์šฉ์ด ๊ฐ€๋Šฅํ•˜๋‹ค๋Š” ๊ฐ•์ ์„ ๊ฐ€์ง„๋‹ค.(3) ์ด๋ฅผ ํ†ตํ•ด ์ƒ์‚ฐ๋œ ์ „๊ธฐ๋Š” ์ž์ฒด ์†Œ๋น„๊ฐ€ ๊ฐ€๋Šฅํ•˜๋ฉฐ, ๋ถ€์กฑํ•  ๊ฒฝ์šฐ ์ „๋ ฅ๋ง์„ ํ†ตํ•ด ๋ณด์™„ํ•  ์ˆ˜ ์žˆ๋‹ค. ๋˜ํ•œ, ํšŒ์ˆ˜๋œ ์—ด์€ ๋‚œ๋ฐฉ, ๊ธ‰ํƒ• ๋“ฑ ๋‹ค์–‘ํ•œ ์šฉ๋„๋กœ ํ™œ์šฉ๋˜์–ด ์‹œ์Šคํ…œ์˜ ์ „๋ฐ˜์ ์ธ ์—๋„ˆ์ง€ ํšจ์œจ์„ ๊ทน๋Œ€ํ™”ํ•  ์ˆ˜ ์žˆ๋‹ค.

์ด์™€ ๊ฐ™์€ ๋‹ค์ค‘ ์—ด์› ์‹œ์Šคํ…œ์€ ์—๋„ˆ์ง€ ํšจ์œจ์„ ํ–ฅ์ƒํ•˜๊ณ , ์žฌ์ƒ ์—๋„ˆ์ง€๋ฅผ ํšจ๊ณผ์ ์œผ๋กœ ํ™œ์šฉํ•  ์ˆ˜ ์žˆ๋„๋ก ํ•ด์ฃผ์ง€๋งŒ, ์ œ์–ด ๋ฐฉ์‹์— ๋”ฐ๋ผ ์‹œ์Šคํ…œ ์„ฑ๋Šฅ์ด ํฌ๊ฒŒ ์ขŒ์šฐ๋œ๋‹ค. Ramos et al.(4)์€ PVT์™€ ๊ณต๊ธฐ์—ด์› ํžˆํŠธํŽŒํ”„(ASHP)๋ฅผ ๊ฒฐํ•ฉํ•œ ์‹œ์Šคํ…œ์ด ๋‚œ๋ฐฉ ๋ฐ ๋ƒ‰๋ฐฉ ์ˆ˜์š”๊ฐ€ ๋†’์€ ์˜จ๋Œ€ ์ง€์—ญ์—์„œ ํŠนํžˆ ํšจ๊ณผ์ ์ž„์„ ์ž…์ฆํ•˜์—ฌ, ์ œ๋กœ ์—๋„ˆ์ง€ ๊ฑด๋ฌผ(ZEB) ํ‘œ์ค€์„ ์ถฉ์กฑํ•˜๊ธฐ ์œ„ํ•œ ์ ํ•ฉํ•œ ํ•ด๊ฒฐ์ฑ…์ž„์„ ์ œ์‹œํ•˜์˜€๋‹ค.

์‹ค์ œ๋กœ, Bae et al.(5)์€ PVT์™€ ๊ณต๊ธฐ์—ด์› ํžˆํŠธํŽŒํ”„(ASHP)๋ฅผ ๊ฒฐํ•ฉํ•œ ์‹œ์Šคํ…œ์„ ์‹คํ—˜์ ์œผ๋กœ ๋ถ„์„ํ•œ ๊ฒฐ๊ณผ, ๊ธฐ์กด ASHP ์‹œ์Šคํ…œ ๋Œ€๋น„ ๋‚œ๋ฐฉ ์„ฑ๋Šฅ๊ณ„์ˆ˜(COP)๊ฐ€ 6.9% ์ฆ๊ฐ€ํ•˜์˜€์œผ๋ฉฐ, ๋ƒ‰๋ฐฉ ๋ชจ๋“œ์—์„œ๋Š” COP๊ฐ€ 52% ํ–ฅ์ƒ๋จ์„ ํ™•์ธํ•˜์˜€๋‹ค. ์ด๋Ÿฌํ•œ ๊ฒฐ๊ณผ๋Š” PVT ๋ชจ๋“ˆ์ด ๊ณ„์ ˆ๋ณ„ ์ „๋ ฅ ์†Œ๋น„๋Ÿ‰์„ ๊ฒจ์šธ์ฒ  18%, ์—ฌ๋ฆ„์ฒ  27%๊นŒ์ง€ ๋ณด์™„ํ•  ์ˆ˜ ์žˆ์Œ์„ ๋ณด์—ฌ์ฃผ๋ฉฐ, PVT์—ฐ๊ณ„ ASHP ์‹œ์Šคํ…œ์˜ ์‹ค์งˆ์ ์ธ ์—๋„ˆ์ง€ ์ ˆ๊ฐํšจ๊ณผ๋ฅผ ๊ฐ•์กฐํ•˜์˜€๋‹ค.

์ด์™€ ์œ ์‚ฌํ•œ ์—ฐ๊ตฌ๋กœ Wang et al.(6)์€ PVT-๊ณต๊ธฐ ์ด์ค‘ ์—ด์› ๋ณตํ•ฉ ํžˆํŠธํŽŒํ”„ ์˜จ์ˆ˜ ์‹œ์Šคํ…œ์„ ์ œ์•ˆํ•˜๊ณ , PVT ์ˆ˜์ง‘๊ธฐ๋ฅผ ํžˆํŠธํŽŒํ”„์˜ ์ €์˜จ ์—ด์›์œผ๋กœ ํ™œ์šฉํ•˜๋Š” ๋™์  ํ•ด์„์„ ์ˆ˜ํ–‰ํ•˜์˜€๋‹ค. ์—ฐ๊ตฌ ๊ฒฐ๊ณผ, PVT์™€ ๊ณต๊ธฐ์—ด์› ํžˆํŠธํŽŒํ”„๋ฅผ ๊ฒฐํ•ฉํ•  ๊ฒฝ์šฐ ํžˆํŠธํŽŒํ”„์˜ ํ‰๊ท  COP๋Š” 4.08๋กœ ํ–ฅ์ƒ๋˜๋ฉฐ, ์ด๋Š” ๊ณต๊ธฐ์—ด์› ํžˆํŠธํŽŒํ”„ ๋‹จ๋… ์šด์ „ ๋Œ€๋น„ ์„ฑ๋Šฅ ํ–ฅ์ƒ ํšจ๊ณผ๋ฅผ ์ œ๊ณตํ•  ์ˆ˜ ์žˆ์Œ์„ ํ™•์ธํ•˜์˜€๋‹ค. ์ด๋Ÿฌํ•œ ์—ฐ๊ตฌ๋“ค์€ PVT์—ฐ๊ณ„ ASHP ์‹œ์Šคํ…œ์ด ๊ธฐ์กด ๋ฐฉ์‹ ๋Œ€๋น„ ์„ฑ๋Šฅ ๋ฐ ์—๋„ˆ์ง€ ์ ˆ๊ฐ ์ธก๋ฉด์—์„œ ํšจ๊ณผ์ ์ธ ๋Œ€์•ˆ์ด ๋  ์ˆ˜ ์žˆ์Œ์„ ๋’ท๋ฐ›์นจํ•œ๋‹ค.

๋‹ค๋งŒ, ์‹œ์Šคํ…œ์˜ ์„ฑ๋Šฅ์„ ๋”์šฑ ํšจ๊ณผ์ ์œผ๋กœ ํ™œ์šฉํ•˜๊ธฐ ์œ„ํ•ด์„œ๋Š” ์ ์ ˆํ•œ ์ œ์–ด ๋ฐฉ์‹์ด ํ•„์š”ํ•˜๋‹ค. ์ „ํ†ต์ ์œผ๋กœ ์‚ฌ์šฉ๋œ ๊ธฐ์กด ์ œ์–ด ๋ฐฉ์‹์€ ์‚ฌ์ „ ์ •์˜๋œ ์˜จ๋„ ์ž„๊ณ—๊ฐ’์„ ๊ธฐ์ค€์œผ๋กœ ์‹œ์Šคํ…œ์„ ํ™œ์„ฑํ™”ํ•˜๊ฑฐ๋‚˜ ๋น„ํ™œ์„ฑํ™”ํ•˜๋Š” ๋ฐฉ์‹์œผ๋กœ, ๊ตฌ์กฐ์ ์œผ๋กœ ๊ฐ„๋‹จํ•˜๊ณ  ๊ตฌํ˜„์ด ์šฉ์ดํ•œ ์žฅ์ ์ด ์žˆ๋‹ค. ๊ทธ๋Ÿฌ๋‚˜ ์ด๋Š” ์‹œ์Šคํ…œ์˜ ๋™์  ํŠน์„ฑ๊ณผ ์‹ค์‹œ๊ฐ„์œผ๋กœ ๋ณ€ํ•˜๋Š” ๋ถ€ํ•˜๋ฅผ ๋ฐ˜์˜ํ•˜์ง€ ๋ชปํ•ด ์ตœ์ ์˜ ํšจ์œจ์„ ๋‹ฌ์„ฑํ•˜๊ธฐ ์–ด๋ ต๋‹ค๋Š” ํ•œ๊ณ„๋ฅผ ๊ฐ€์ง„๋‹ค.(7) ์‹ค์ œ๋กœ, Chinnakani et al.(8)๊ฐ€ ์ˆ˜ํ–‰ํ•œ HVAC ์‹œ์Šคํ…œ์— ์˜จ/์˜คํ”„ ์ œ์–ด๋ฅผ ์ ์šฉํ•œ ์‹คํ—˜์—์„œ๋Š” ๋†’์€ ์—ด ๊ด€์„ฑ์œผ๋กœ ์ธํ•ด ์„ค์ • ์˜จ๋„ ์ง€์ ์—์„œ ํฐ ๋ณ€๋™์ด ๋ฐœ์ƒํ•˜์˜€๊ณ , ๊ทธ ๊ฒฐ๊ณผ ์—๋„ˆ์ง€ ์†Œ๋น„ ์ฆ๊ฐ€ ๋ฐ ์žฌ์‹ค์ž์˜ ์พŒ์ ์„ฑ์ด ์ €ํ•˜๋จ์„ ํ™•์ธํ•˜์˜€๋‹ค. ์ด๋Š” ๊ธฐ์กด ์ œ์–ด ๋ฐฉ์‹์ด PVT์—ฐ๊ณ„ ASHP ์‹œ์Šคํ…œ์˜ ํšจ์œจ์ ์ธ ์šด์šฉ์„ ์ €ํ•ดํ•  ์ˆ˜ ์žˆ์Œ์„ ์‹œ์‚ฌํ•œ๋‹ค.

์ด์— ๋”ฐ๋ผ, ๊ธฐ์กด ์ œ์–ด ๋ฐฉ์‹์˜ ํ•œ๊ณ„๋ฅผ ๊ทน๋ณตํ•˜๊ณ  ์‹œ์Šคํ…œ์˜ ํšจ์œจ์„ ๊ทน๋Œ€ํ™”ํ•˜๊ธฐ ์œ„ํ•œ ๊ณ ๊ธ‰ ์ œ์–ด ๊ธฐ์ˆ ์ด ์š”๊ตฌ๋œ๋‹ค. ์ตœ๊ทผ Shin and Cho(9)๋Š” ๋จธ์‹ ๋Ÿฌ๋‹(ANN, SVM, RF, KNN)์„ ํ™œ์šฉํ•˜์—ฌ ํžˆํŠธํŽŒํ”„ ์‹œ์Šคํ…œ์˜ ์„ฑ๋Šฅ์„ ์˜ˆ์ธกํ•˜๊ณ  ์ตœ์ ํ™”ํ•˜๋Š” ์—ฐ๊ตฌ๋ฅผ ์ˆ˜ํ–‰ํ•˜์˜€๋‹ค. ์—ฐ๊ตฌ ๊ฒฐ๊ณผ, ANN ๋ชจ๋ธ์ด ๊ฐ€์žฅ ๋†’์€ ์ •ํ™•๋„์™€ ํšจ์œจ์ ์ธ ์ œ์–ด ์„ฑ๋Šฅ์„ ์ œ๊ณตํ•˜์—ฌ, AI ๊ธฐ์ˆ ์ด ํžˆํŠธํŽŒํ”„ ์‹œ์Šคํ…œ์˜ ์—๋„ˆ์ง€ ํšจ์œจ๊ณผ ์•ˆ์ •์„ฑ ํ–ฅ์ƒ์— ๊ธฐ์—ฌํ•  ์ˆ˜ ์žˆ์Œ์„ ๋ณด์—ฌ์ฃผ์—ˆ๋‹ค.

1.3 ์—ฐ๊ตฌ ๋ชฉ์ 

๋ณธ ์—ฐ๊ตฌ์—์„œ๋Š” AI ๊ธฐ๋ฐ˜ ์ตœ์  ์œ ๋Ÿ‰ ์ œ์–ด ๊ธฐ์ˆ ์„ ํ™œ์šฉํ•˜์—ฌ PVT์—ฐ๊ณ„ ASHP ์‹œ์Šคํ…œ์˜ ๋ƒ‰๋ฐฉ ์„ฑ๋Šฅ์„ ์ตœ์ ํ™”ํ•˜๊ณ , ์—๋„ˆ์ง€ ์ ˆ๊ฐ ํšจ๊ณผ๋ฅผ ์‹ค์ฆ์ ์œผ๋กœ ๋ถ„์„ํ•˜๋Š” ๊ฒƒ์„ ๋ชฉํ‘œ๋กœ ํ•œ๋‹ค. ํŠนํžˆ, ์‹ค์‹œ๊ฐ„ ๋ฐ์ดํ„ฐ๋ฅผ ํ™œ์šฉํ•œ ํšŒ๊ท€ ๋ชจ๋ธ์„ ๋„์ž…ํ•˜์—ฌ ๊ธฐ์กด ์ œ์–ด ๋ฐฉ์‹์˜ ํ•œ๊ณ„๋ฅผ ๋ณด์™„ํ•˜๊ณ ์ž ํ•˜๊ณ„ ์‹ค์ฆ ์‹คํ—˜์„ ํ†ตํ•ด ์ตœ์  ์ œ์–ด์˜ ํšจ๊ณผ๋ฅผ ๊ฒ€์ฆํ•˜๊ณ  ๊ธฐ์กด ์ œ์–ด ๋ฐฉ์‹๊ณผ์˜ ์„ฑ๋Šฅ ์ฐจ์ด๋ฅผ ๋ถ„์„ํ•˜์˜€๋‹ค. ์ด๋ฅผ ์œ„ํ•ด ์‹ค์ œ ๊ฑด๋ฌผ ํ™˜๊ฒฝ์—์„œ ์ตœ์  ์ œ์–ด์™€ ๊ธฐ์กด ์ œ์–ด ๋ฐฉ์‹์˜ ์„ฑ๋Šฅ์„ ๋น„๊ตํ•˜๋Š” ์‹คํ—˜์„ ์ˆ˜ํ–‰ํ•˜์˜€๋‹ค.

2. ์—ฐ๊ตฌ ๋ฐฉ๋ฒ•

2.1 ์‹œ์Šคํ…œ ๊ฐœ์š”

ํ•ด๋‹น ์‹œ์Šคํ…œ์€ ๋ถ€์‚ฐ๊ด‘์—ญ์‹œ ๊ธฐ์žฅ๊ตฐ(์œ„๋„ 35ยฐ13' N, ๊ฒฝ๋„ 129ยฐ13' E)์— ์œ„์น˜ํ•œ ์‹ค์ฆ ํ”Œ๋žœํŠธ์— ์„ค์น˜๋˜์—ˆ์œผ๋ฉฐ, ์—ฐ๊ตฌ ๋Œ€์ƒ์ธ PVT์—ฐ๊ณ„ ASHP ์‹œ์Šคํ…œ์€ ํƒœ์–‘๊ด‘-์—ด ๋ณตํ•ฉ ๋ฐœ์ „๊ณผ ๊ณต๊ธฐ์—ด์›์„ ๋™์‹œ์— ํ™œ์šฉํ•˜์—ฌ ๋ƒ‰๋‚œ๋ฐฉ ๋ฐ ๊ธ‰ํƒ•์„ ๊ณต๊ธ‰ํ•  ์ˆ˜ ์žˆ๋Š” ์‹œ์Šคํ…œ์ด๋‹ค. ์ฃผ์š” ๊ตฌ์„ฑ์š”์†Œ๋Š” 4 kW ์šฉ๋Ÿ‰์˜ PVT ๋ชจ๋“ˆ, 7.6 kW ์šฉ๋Ÿ‰์˜ ๊ณต๊ธฐ์—ด์› ํžˆํŠธํŽŒํ”„(ASHP), ์ถ•์—ด ํƒฑํฌ(0.3 ใŽฅ ร— 2), ์ˆœํ™˜ํŽŒํ”„, ์‹ค๋‚ด ํŒฌ์ฝ”์ผ ์œ ๋‹›(FCU)์œผ๋กœ ์ด๋ฃจ์–ด์ ธ ์žˆ์œผ๋ฉฐ, ํƒœ์–‘๊ด‘ ๋ฐœ์ „์„ ํ†ตํ•ด ์ „๋ ฅ์„ ์ƒ์„ฑํ•˜๊ณ , ํƒœ์–‘์—ด ์ง‘์—ด์„ ํ™œ์šฉํ•˜์—ฌ ์ถ•์—ด ํƒฑํฌ์— ๋‚œ๋ฐฉ ๋ฐ ๊ธ‰ํƒ• ์—ด์„ ๊ณต๊ธ‰ํ•˜๋ฉฐ, ๊ณต๊ธฐ์—ด์› ํžˆํŠธํŽŒํ”„๋ฅผ ํ†ตํ•ด ๋ƒ‰๋ฐฉ ์šด์ „์„ ์ˆ˜ํ–‰ํ•œ๋‹ค. ๋ณธ ์—ฐ๊ตฌ์—์„œ๋Š” ์™ธ๊ธฐ ์กฐ๊ฑด์„ ๊ณ ๋ คํ•œ ์‹ค์‹œ๊ฐ„ ์ตœ์  ์ œ์–ด๋ฅผ ํ†ตํ•ด ์ˆœํ™˜ํŽŒํ”„์˜ ์œ ๋Ÿ‰์„ ์กฐ์ ˆํ•˜์—ฌ, ๊ธฐ์กด ์ œ์–ด ๋ฐฉ์‹ ๋Œ€๋น„ ์ˆœํ™˜ํŽŒํ”„์˜ ์ „๋ ฅ ์†Œ๋น„๋ฅผ ์ค„์ด๊ณ  ์—๋„ˆ์ง€ ์ ˆ๊ฐ ํšจ๊ณผ๋ฅผ ๋†’์ด๋Š” ๊ฒƒ์„ ๋ชฉํ‘œ๋กœ ํ•˜์˜€๋‹ค. ์ด๋ฅผ ์œ„ํ•ด, ๊ฐ ์žฅ๋น„์˜ ์ž…๊ตฌ์™€ ์ถœ๊ตฌ์—๋Š” ์˜จ๋„๊ณ„ ๋ฐ ์œ ๋Ÿ‰๊ณ„๋ฅผ ์„ค์น˜ํ•˜์—ฌ ์‹ค์‹œ๊ฐ„ ์ž๋ฃŒ์ˆ˜์ง‘์ด ๊ฐ€๋Šฅํ•˜๋„๋ก ์„ค๊ณ„๋˜์—ˆ๊ณ , Fig. 1์— ์‹œ์Šคํ…œ์˜ ๊ฐœ๋žต๋„๋ฅผ ์ œ์‹œํ•˜์˜€๋‹ค.

Fig. 1 Schematic of the photovoltaic-thermal integrated air source heat pump (PVT-ASHP) system.

../../Resources/sarek/KJACR.2025.37.8.395/fig1.png

2.2 AI ๊ธฐ๋ฐ˜ ์ตœ์  ์ˆœํ™˜์ˆ˜ ์œ ๋Ÿ‰ ์ œ์–ด ๋ชจ๋ธ

๋ณธ ์—ฐ๊ตฌ์—์„œ๋Š” ๊ธฐ์กด ์ œ์–ด ๋ฐฉ์‹์˜ ํ•œ๊ณ„๋ฅผ ๋ณด์™„ํ•˜๊ณ  ์‹ค์‹œ๊ฐ„ ํ™˜๊ฒฝ ๋ณ€ํ™”์— ๋Œ€์‘ํ•˜๊ธฐ ์œ„ํ•ด, ์„ ํ–‰ ์—ฐ๊ตฌ์—์„œ ๊ฐœ๋ฐœ๋œ ํด๋Ÿฌ์Šคํ„ฐ๋ง ๊ธฐ๋ฒ•๊ณผ ํšŒ๊ท€ ๋ถ„์„์„ ๊ฒฐํ•ฉํ•œ AI ๊ธฐ๋ฐ˜ ์ตœ์  ์ˆœํ™˜์ˆ˜ ์œ ๋Ÿ‰ ์ œ์–ด ๋ชจ๋ธ์„ ํ™œ์šฉํ•˜์˜€๋‹ค. ํ•ด๋‹น ๋ชจ๋ธ์€ ์‹ค์™ธ ํ™˜๊ฒฝ ๋ณ€์ˆ˜๋ฅผ ์‹ค์‹œ๊ฐ„์œผ๋กœ ๋ถ„์„ํ•˜๊ณ , ์™ธ๊ธฐ ์กฐ๊ฑด์— ๋”ฐ๋ผ ์ˆœํ™˜์ˆ˜ ์œ ๋Ÿ‰์„ ๋™์ ์œผ๋กœ ์กฐ์ ˆํ•˜๋„๋ก ์„ค๊ณ„๋˜์—ˆ์œผ๋ฉฐ, ์„ ํ–‰ ์—ฐ๊ตฌ์—์„œ๋Š” ์ˆ˜์ง‘๋œ ๋ƒ‰๋ฐฉ ์‹คํ—˜ ๋ฐ์ดํ„ฐ๋ฅผ ๊ธฐ๋ฐ˜์œผ๋กœ ํ˜ผํ•ฉ ๊ฐ€์šฐ์‹œ์•ˆ ๋ชจ๋ธ(10)(Gaussian Mixture Model, GMM) ๊ธฐ๋ฐ˜ ํด๋Ÿฌ์Šคํ„ฐ๋ง์„ ์ ์šฉํ•œ ๋‹คํ•ญ ํšŒ๊ท€(11)(Polynomial Regression) ๋ชจ๋ธ์„ ํ™œ์šฉํ•˜์—ฌ AI ๊ธฐ๋ฐ˜ ์‹ค์‹œ๊ฐ„ ์ตœ์  ์ˆœํ™˜์ˆ˜ ์œ ๋Ÿ‰ ์ œ์–ด ๋ชจ๋ธ์„ ๊ฐœ๋ฐœํ•˜์˜€๋‹ค. ๋ณธ ์—ฐ๊ตฌ์—์„œ ํ™œ์šฉ๋œ ์ œ์–ด ๋ชจ๋ธ์€ ์„ ํ–‰ ์—ฐ๊ตฌ๋ฅผ ๊ธฐ๋ฐ˜์œผ๋กœ ์„œ์ˆ ๋œ ๊ฒƒ์ด๋ฏ€๋กœ, ์ƒ์„ธํ•œ ๋‚ด์šฉ์€ ๋ณธ ๋…ผ๋ฌธ์—์„œ ์ƒ๋žตํ•˜์˜€๋‹ค.

์ผ๋ฐ˜์ ์ธ AI ๋ชจ๋ธ์€ ๋†’์€ ๊ณ„์‚ฐ ๋ณต์žก๋„์™€ ์—ฐ์‚ฐ ๋ถ€ํ•˜๋กœ ์ธํ•ด ์‹ค์‹œ๊ฐ„ ์ œ์–ด ํ”„๋กœ๊ทธ๋žจ์— ์ง์ ‘ ์ ์šฉํ•˜๊ธฐ ์–ด๋ ต๋‹ค๋Š” ํ•œ๊ณ„๋ฅผ ๊ฐ€์ง„๋‹ค. ๋˜ํ•œ, ๋ณต์žกํ•œ ์˜ˆ์ธก ๋ชจ๋ธ์€ ์ž„๋ฒ ๋””๋“œ ์ œ์–ด ์‹œ์Šคํ…œ(PLC, ๋งˆ์ด์ปด ๋“ฑ)์— ํƒ‘์žฌ๊ฐ€ ์–ด๋ ต๊ณ , ๋งค๊ฐœ๋ณ€์ˆ˜ ํ•ด์„์ด ๋น„์ง๊ด€์ ์ด์–ด์„œ ์œ ์ง€๋ณด์ˆ˜๊ฐ€ ์šฉ์ดํ•˜์ง€ ์•Š๋‹ค. ์ด๋ฅผ ํ•ด๊ฒฐํ•˜๊ธฐ ์œ„ํ•ด, ๋ณธ ์—ฐ๊ตฌ์—์„œ๋Š” ์—ฐ์‚ฐ ๋ถ€๋‹ด์ด ๋‚ฎ๊ณ  ๊ตฌ์กฐ์ ์œผ๋กœ ๊ฐ„๊ฒฐํ•˜๋ฉฐ ๋‹ค์–‘ํ•œ ์šด์ „ ์กฐ๊ฑด์—์„œ๋„ ์ ์šฉ์ด ์šฉ์ดํ•œ ํšŒ๊ท€ ๋ชจ๋ธ์„ ๊ธฐ๋ฐ˜์œผ๋กœ ์ œ์–ด ์‹œ์Šคํ…œ์„ ์šด์šฉํ•˜์˜€๋‹ค. ํ•ด๋‹น ํšŒ๊ท€ ๋ชจ๋ธ์€ ์‹คํ—˜ ๋ฐ์ดํ„ฐ๋ฅผ ๋ฐ”ํƒ•์œผ๋กœ ์‚ฌ์ „ ํ•™์Šต๋˜์—ˆ์œผ๋ฉฐ, Niagara 4 Technical Certification Program์„ ํ™œ์šฉํ•˜์—ฌ ๊ตฌํ˜„๋˜์—ˆ๋‹ค. ์‹ค์‹œ๊ฐ„ ์šด์ „ ๋ฐ์ดํ„ฐ๋ฅผ ์ž…๋ ฅ๋ฐ›์•„ ์ตœ์ ์˜ ์œ ๋Ÿ‰์„ ์˜ˆ์ธกํ•˜๊ณ , ์˜ˆ์ธก ๊ฒฐ๊ณผ๋Š” PLC๋กœ ์ „๋‹ฌ๋˜์–ด ์ˆœํ™˜ํŽŒํ”„ ์ œ์–ด์— ๋ฐ˜์˜๋˜๋„๋ก ๊ตฌ์„ฑํ•˜์˜€๋‹ค.

์ด ๋ฐฉ์‹์€ ํžˆํŠธํŽŒํ”„์˜ ์ž…์ˆ˜ ์˜จ๋„ ๋ฐ ์™ธ๊ธฐ ์˜จ๋„, ์ผ์‚ฌ๋Ÿ‰์˜ ๋ณ€ํ™”์— ๋”ฐ๋ผ ์œ ๋Ÿ‰์„ ์‹ค์‹œ๊ฐ„์œผ๋กœ ์กฐ์ ˆํ•จ์œผ๋กœ์จ ์—๋„ˆ์ง€ ์†Œ๋น„๋ฅผ ์ €๊ฐํ•˜๊ณ  ๋ƒ‰๋ฐฉ ์„ฑ๋Šฅ์„ ํ–ฅ์ƒํ•˜๋Š” ๋ฐ ํ™œ์šฉ๋˜์—ˆ๋‹ค. ์ตœ์  ์ˆœํ™˜์ˆ˜ ์œ ๋Ÿ‰ ์ œ์–ด ๋ชจ๋ธ์˜ ์šด์ „ ์กฐ๊ฑด์€ ์‹(1)์— ์ œ์‹œ๋˜์–ด ์žˆ๋‹ค.

(1)

$Y_{0}=T_{HP,\: in}>15.0$

$Y_{1}=7.0\le T_{HP,\: in}\le 8.0\: {and}\: 25.5\le{T}_{{outdoor}}\le 39.5$

$Y_{2}=7.0\le T_{HP,\: in}\le 10.0\: {and}\: 14.0\le{T}_{{outdoor}}\le 27.0$

$Y_{3}=8.0\le T_{HP,\: in}\le 15.5\: {and}\: 14.0\le{T}_{{outdoor}}\le 39.5$

2.3 ์‹ค์ฆ ์‹คํ—˜ ํ™˜๊ฒฝ ๋ฐ ์šด์ „ ์กฐ๊ฑด

์‹ค์ฆ ์‹คํ—˜์€ ๋ถ€์‚ฐ๊ด‘์—ญ์‹œ ๊ธฐ์žฅ๊ตฐ์— ์œ„์น˜ํ•œ ์‹ค์ฆ ํ”Œ๋žœํŠธ์—์„œ ์ˆ˜ํ–‰๋˜์—ˆ์œผ๋ฉฐ, ์—ฐ๊ตฌ ๋Œ€์ƒ์€ PVT์—ฐ๊ณ„ ASHP ์œต๋ณตํ•ฉ ๋ƒ‰๋‚œ๋ฐฉ ์‹œ์Šคํ…œ์ด๋‹ค. ํ•ด๋‹น ์‹œ์Šคํ…œ์€ ์žฌ์ƒ ์—๋„ˆ์ง€์™€ ๊ณต๊ธฐ์—ด์› ํžˆํŠธํŽŒํ”„๋ฅผ ๊ฒฐํ•ฉํ•œ ํ•˜์ด๋ธŒ๋ฆฌ๋“œ ๋ฐฉ์‹์œผ๋กœ ๊ตฌ์ถ•๋˜์—ˆ์œผ๋ฉฐ, ์‹œ์Šคํ…œ์˜ ์ฃผ์š” ์žฅ๋น„ ์‚ฌ์–‘์€ Table 1์— ์ œ์‹œ๋˜์–ด ์žˆ๋‹ค.

์‹คํ—˜์€ ํ•˜๊ณ„ ๋ƒ‰๋ฐฉ ์กฐ๊ฑด์—์„œ ์ง„ํ–‰๋˜์—ˆ์œผ๋ฉฐ, ์‹ค๋‚ด ์˜จ๋„ ์„ค์ •๊ฐ’์„ 28โ„ƒ๋กœ ์œ ์ง€ํ•˜๊ณ  ยฑ1โ„ƒ์˜ Deadband๋ฅผ ์ ์šฉํ•˜์—ฌ ์‹œ์Šคํ…œ์˜ ์•ˆ์ •์„ฑ์„ ํ™•๋ณดํ•˜์˜€๋‹ค. ๋˜ํ•œ, ์•ผ๊ฐ„์— ๋ƒ‰๊ธฐ๋ฅผ ์ €์žฅํ•˜๊ณ  ์ฃผ๊ฐ„์— ํ™œ์šฉํ•˜๋Š” ์ถ•๋žญ ์šด์ „ ๋ฐฉ์‹์„ ์ ์šฉํ•˜์—ฌ ์—๋„ˆ์ง€ ์†Œ๋น„๋ฅผ ์ ˆ๊ฐํ•˜๊ณ  ์‹œ์Šคํ…œ ํšจ์œจ์„ ์ƒ์Šน์‹œ์ผฐ๋‹ค. ์‹คํ—˜ ๊ณผ์ •์—์„œ๋Š” ํžˆํŠธํŽŒํ”„ ์ž…์ถœ์ˆ˜ ์˜จ๋„, ์™ธ๊ธฐ ์˜จ๋„, ์ˆœํ™˜ํŽŒํ”„ ์œ ๋Ÿ‰ ๋“ฑ์˜ ๋ฐ์ดํ„ฐ๋ฅผ ์‹ค์‹œ๊ฐ„์œผ๋กœ ์ธก์ •ํ•˜๊ณ , ์ตœ์  ์ œ์–ด ๋ฐฉ์‹๊ณผ ๊ธฐ์กด ์ œ์–ด ๋ฐฉ์‹์˜ ์„ฑ๋Šฅ ์ฐจ์ด๋ฅผ ๋น„๊ตํ•˜๊ณ  ๋ถ„์„ํ•˜์˜€๋‹ค.

๋ณธ ์—ฐ๊ตฌ์—์„œ ์‚ฌ์šฉ๋œ PVT์—ฐ๊ณ„ ASHP ์œต๋ณตํ•ฉ ์‹œ์Šคํ…œ์˜ ๋ƒ‰๋ฐฉ ์šด์ „ ์กฐ๊ฑด์€ Table 2์— ์ •๋ฆฌ๋˜์–ด ์žˆ๋‹ค. ASHP๋Š” $P_{1}$ ํŽŒํ”„์˜ ์šด์ „ ์ƒํƒœ์™€ ๋™๊ธฐํ™”๋˜์–ด ์ž‘๋™ํ•˜๋ฉฐ ๋ƒ‰๋ฐฉ ๋ชจ๋“œ๋ฅผ ํ™œ์„ฑํ™”ํ•œ๋‹ค. $P_{1}$ ํŽŒํ”„๋Š” ํžˆํŠธํŽŒํ”„์˜ ์ถ•์—ด ํƒฑํฌ ์˜จ๋„($T_{ST2}$)๊ฐ€ 12โ„ƒ๋ณด๋‹ค ๋†’์„ ๋•Œ ๊ฐ€๋™๋˜๊ณ , $P_{2}$ ํŽŒํ”„๋Š” ์‹ค๋‚ด ์˜จ๋„($T_{indoor}$)๊ฐ€ 28โ„ƒ๋ณด๋‹ค ํฌ๊ณ  ์ถ•์—ด ํƒฑํฌ ์˜จ๋„($T_{ST2}$)๊ฐ€ 12โ„ƒ ์ดํ•˜์ผ ๊ฒฝ์šฐ์— ์ž‘๋™ํ•œ๋‹ค. $P_{3}$ ํŽŒํ”„๋Š” PVT ๋ชจ๋“ˆ ์ถœ๋ ฅ ์˜จ๋„($T_{PVT,\: out}$)๊ฐ€ ์ถ•์—ด ํƒฑํฌ ์ž…๋ ฅ ์˜จ๋„($T_{ST1}$)๋ณด๋‹ค ๋†’์„ ๋•Œ ๊ฐ€๋™๋˜๋ฉฐ, FCU๋Š” $P_{2}$ ํŽŒํ”„์˜ ์šด์ „ ์ƒํƒœ์™€ ๋™๊ธฐํ™”๋˜์–ด ์‹ค๋‚ด ๋ƒ‰๋ฐฉ์„ ๋‹ด๋‹นํ•œ๋‹ค.

Table 1 Equipment specifications of the PVT-ASHP system

Equipment

Parameter

Value

Air-source Heat Pump (HP-1)

Cooling capacity

7.6 kW

Heating capacity

11.4 kW

Cooling power consumption

2.03 kW

Heating power consumption

2.02 kW

Photovoltaic

-thermal module

Type

Non-inverter scroll

Area

1.012 ร— 1.972 m

Total efficiency

16.1%

Inclination angle

35ยฐ

Installation direction

South

Thermal storage tank (ST-1, 2)

Solar Thermal Storage Capacity

0.3 m3

Buffer storage tank capacity

0.3 m3

Small fan coil unit (FCU-1)

Cooling capacity

5.1 kW

Heating capacity

8.0 kW

Power consumption

0.082 kW

Airflow

16 CMM

Large fan coil unit (FCU-2)

Cooling capacity

7.4 kW

Heating capacity

11.6 kW

Power consumption

0.12 kW

Airflow

23 CMM

Circulation pump (P-1, 2, 3)

Design flow rate

55 L/min

Head

12 m

Power

0.75 kW

Table 2 Cooling operation conditions of the PVT-ASHP system

Equipment

Operation on (Cooling)

Operation time

09:00 - 09:00 (Next day)

ASHP

Synchronize with operation

P1

$T_{ST2}> 12^{\circ}{C}$

P2

${if}{T}_{indoor}>28^{\circ}{C}\;{and}\;{T}_{{ST}2}\le 12^{\circ}{C}$

P3 for ST1

$T_{PVT,\: out}>T_{ST1}$

FCU

Synchronize with $P_{2}$ operation

3. ์‹ค์ฆ ์‹คํ—˜ ๊ฒฐ๊ณผ

๋ณธ ์—ฐ๊ตฌ์—์„œ๋Š” PVT์—ฐ๊ณ„ ASHP ์‹œ์Šคํ…œ์˜ ์„ฑ๋Šฅ์„ ํ‰๊ฐ€ํ•˜๊ธฐ ์œ„ํ•ด ์—ด๊ตํ™˜์œจ, ์†Œ๋น„์ „๋ ฅ ๋ฐ ์ „๋ ฅ ์ƒ์‚ฐ๋Ÿ‰์„ ์ธก์ •ํ•˜๊ณ , ์ด๋ฅผ ๋ฐ”ํƒ•์œผ๋กœ ํžˆํŠธํŽŒํ”„์™€ ์‹œ์Šคํ…œ ์„ฑ๋Šฅ์„ ์‚ฐ์ถœํ•˜์˜€๋‹ค. ๊ฐ ์„ฑ๋Šฅ์€ ๊ฑด๋ฌผ์˜ ๋ƒ‰๋ฐฉ ๋ถ€ํ•˜๋ฅผ ์ถฉ์กฑํ•˜๊ธฐ ์œ„ํ•œ ์—ด์›๊ธฐ๊ธฐ์˜ ์—ด๊ตํ™˜์œจ๊ณผ ์‹œ์Šคํ…œ ์šด์ „์„ ์œ„ํ•ด ์ž‘๋™๋œ ๊ตฌ์„ฑ์š”์†Œ์˜ ์ „๋ ฅ ์†Œ๋ชจ๋Ÿ‰์„ ํ†ตํ•ด ๊ณ„์‚ฐ๋˜๋ฉฐ, ํ•ด๋‹น ๊ณผ์ •์€ ์‹(2) ๋ฐ ์‹(3)์— ์ œ์‹œํ•˜์˜€๋‹ค.

(2)
$COP_{HP}=\dfrac{Q_{HP}}{P_{HP}}$
(3)
$COP_{SYS}=\dfrac{Q_{HP}}{P_{HP}+\Sigma P_{pump}+P_{FCU}}$

3.1 ๊ธฐ์กด ์ œ์–ด ์šด์ „ ์‹คํ—˜

๊ธฐ์กด ์ œ์–ด ์šด์ „ ์‹คํ—˜์€ 8์›” 20์ผ๋ถ€ํ„ฐ 8์›” 21์ผ๊นŒ์ง€ ์ถ•์—ด์กฐ ํ™œ์šฉ ๋ƒ‰๋ฐฉ ์šด์ „์œผ๋กœ ์ˆ˜ํ–‰๋˜์—ˆ์œผ๋ฉฐ, ์™ธ๊ธฐ ํ‰๊ท  ์˜จ๋„๋Š” 31.89โ„ƒ, ํžˆํŠธํŽŒํ”„ ์ž…์ˆ˜ ์˜จ๋„๋Š” 11.80โ„ƒ๋กœ ํ™•์ธ๋˜์—ˆ๋‹ค. ๊ธฐ์กด ์ œ์–ด ๋ฐฉ์‹์—์„œ๋Š” ์ˆœํ™˜์ˆ˜ ์œ ๋Ÿ‰์ด ๊ณ ์ •๊ฐ’ (50 L/min)์œผ๋กœ ์„ค์ •๋˜์—ˆ์œผ๋ฉฐ, ์œ ๋Ÿ‰ ์กฐ์ ˆ์€ ์ด๋ฃจ์–ด์ง€์ง€ ์•Š์•˜๋‹ค. ๋ƒ‰๋ฐฉ ์‹œ ์ถ•์—ด์กฐ์˜ ํ‰๊ท  ์˜จ๋„๋Š” 9.82โ„ƒ, ์‹ค๋‚ด ํ‰๊ท  ์˜จ๋„๋Š” 27.84โ„ƒ๋กœ ์„ค์ •๋œ ๋ชฉํ‘œ ์˜จ๋„๋ฅผ ๋งŒ์กฑํ•˜์˜€๋‹ค.

Fig. 2(a)๋Š” ๊ธฐ์กด ์ œ์–ด ๋ฐฉ์‹์˜ ์šด์ „ ๊ฒฐ๊ณผ๋ฅผ ๋‚˜ํƒ€๋‚ด๋ฉฐ, ํžˆํŠธํŽŒํ”„ ์ž…์ˆ˜ ์˜จ๋„, ์ˆœํ™˜์ˆ˜ ์œ ๋Ÿ‰ ๋ณ€๋™ ๋ฐ ํžˆํŠธํŽŒํ”„ ์—ด๊ตํ™˜์œจ๊ณผ ์†Œ๋น„์ „๋ ฅ์„ ํฌํ•จํ•œ ์‹œ์Šคํ…œ์˜ ์—๋„ˆ์ง€ ์†Œ๋น„ ํŒจํ„ด์„ ๋‚˜ํƒ€๋‚ธ๋‹ค. ์‹œ๊ฐ„์ด ์ง€๋‚จ์— ๋”ฐ๋ผ ์™ธ๊ธฐ ์กฐ๊ฑด์ด ๋ณ€๋™ํ•˜์ง€๋งŒ, ์œ ๋Ÿ‰์€ ๊ณ ์ • ์œ ๋Ÿ‰์œผ๋กœ ์šด์ „๋˜์—ˆ๋‹ค.

๋˜ํ•œ, Fig. 2(b)์— ๋‚˜ํƒ€๋‚œ ๋ฐ”์™€ ๊ฐ™์ด ํžˆํŠธํŽŒํ”„($P_{HP}$)์™€ ํŒฌ์ฝ”์ผ ์œ ๋‹›($P_{FCU}$)์˜ ์†Œ๋น„์ „๋ ฅ์€ ๋ถ€ํ•˜ ๋ณ€ํ™”์— ๋”ฐ๋ผ ๋ณ€๋™ํ•˜์˜€์œผ๋‚˜, ์ˆœํ™˜ํŽŒํ”„($P_{pump}$)์˜ ์†Œ๋น„์ „๋ ฅ์€ ์ผ์ •ํ•˜๊ฒŒ ์œ ์ง€๋˜์—ˆ์œผ๋ฉฐ, ์ด๋Š” ์‹ค์‹œ๊ฐ„ ๋ถ€ํ•˜ ๋ณ€ํ™”์— ๋Œ€์‘ํ•˜์ง€ ๋ชปํ•˜๋Š” ๊ธฐ์กด ์ œ์–ด ์‹œ์Šคํ…œ์—์„œ ๋ถˆํ•„์š”ํ•œ ์—๋„ˆ์ง€ ์†Œ๋น„๊ฐ€ ๋ฐœ์ƒํ•  ์ˆ˜ ์žˆ์Œ์„ ํ™•์ธํ•˜์˜€๋‹ค. ์ด๋Ÿฌํ•œ ๊ฒฐ๊ณผ๋Š” ๊ธฐ์กด ์ œ์–ด ๋ฐฉ์‹์—์„œ ์™ธ๊ธฐ ์กฐ๊ฑด ๋ณ€ํ™”๋ฅผ ๋ฐ˜์˜ํ•œ ์ œ์–ด๋ฅผ ํ†ตํ•ด, ๋ƒ‰๋ฐฉ ์„ฑ๋Šฅ ๋ฐ ์—๋„ˆ์ง€ ํšจ์œจ ์ธก๋ฉด์—์„œ ๊ฐœ์„ ์˜ ์—ฌ์ง€๊ฐ€ ์žˆ์Œ์„ ์‹œ์‚ฌํ•œ๋‹ค.

Fig. 2 System operation characteristics under conventional control.

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3.2 ์ตœ์  ์ œ์–ด ์šด์ „ ์‹คํ—˜

์ตœ์  ์ œ์–ด ์šด์ „ ์‹คํ—˜์€ 8์›” 18์ผ๋ถ€ํ„ฐ 8์›” 19์ผ๊นŒ์ง€ ์ถ•์—ด์กฐ ํ™œ์šฉ ๋ƒ‰๋ฐฉ ์šด์ „์œผ๋กœ ์ˆ˜ํ–‰๋˜์—ˆ์œผ๋ฉฐ, ์™ธ๊ธฐ ํ‰๊ท  ์˜จ๋„๋Š” 32.33โ„ƒ, ํžˆํŠธํŽŒํ”„ ์ž…์ˆ˜ ์˜จ๋„๋Š” 11.80โ„ƒ๋กœ ์ธก์ •๋˜์—ˆ๋‹ค. ์ตœ์  ์ œ์–ด ๋ชจ๋ธ์„ ์ ์šฉํ•œ ๊ฒฐ๊ณผ, ์ˆœํ™˜์ˆ˜ ์œ ๋Ÿ‰์€ 48 ~ 51 L/min ๋ฒ”์œ„์—์„œ ์™ธ๊ธฐ ์กฐ๊ฑด ๋ณ€ํ™”์— ๋”ฐ๋ผ ์‹ค์‹œ๊ฐ„์œผ๋กœ ์œ ๋Ÿ‰์„ ์ ์ ˆํžˆ ์กฐ์ •ํ•˜์˜€๋‹ค. ์ˆœํ™˜ํŽŒํ”„๋Š” ์ฃผ๋กœ Y3 ์šด์ „ ์กฐ๊ฑด์—์„œ ์ž‘๋™ํ•˜์˜€์œผ๋ฉฐ, ์‹ค๋‚ด ํ‰๊ท  ์˜จ๋„๋Š” 28.41โ„ƒ๋กœ ์„ค์ •๋œ ๋ชฉํ‘œ ์˜จ๋„๋ฅผ ๋งŒ์กฑํ•˜์˜€๋‹ค. ์ด๋•Œ ์ถ•์—ด์กฐ์˜ ํ‰๊ท  ์˜จ๋„๋Š” 9.79โ„ƒ๋กœ ์œ ์ง€๋˜์—ˆ์œผ๋ฉฐ, ์ด๋Š” ๊ธฐ์กด ์ œ์–ด ๋ฐฉ์‹๊ณผ ๋น„๊ตํ•˜์˜€์„ ๋•Œ ์œ ์‚ฌํ•œ ์˜จ๋„ ์ˆ˜์ค€์„ ์œ ์ง€ํ•œ ๊ฒƒ์œผ๋กœ ํ™•์ธ๋˜์—ˆ๋‹ค. Fig. 3(a)์™€ (b)๋Š” ์ตœ์  ์ œ์–ด ๋ฐฉ์‹์—์„œ์˜ ๊ณต๊ธฐ์—ด์› ํžˆํŠธํŽŒํ”„์˜ ์ž…์ˆ˜ ์˜จ๋„ ๋ณ€ํ™”, ์ˆœํ™˜์ˆ˜ ์œ ๋Ÿ‰ ์กฐ์ • ๊ณผ์ • ๋ฐ ํžˆํŠธํŽŒํ”„์˜ ์—ด๊ตํ™˜์œจ๊ณผ ์†Œ๋น„์ „๋ ฅ ํŒจํ„ด์„ ๋‚˜ํƒ€๋‚ธ๋‹ค. ์‹คํ—˜ ๊ฒฐ๊ณผ, ๊ธฐ์กด ์ œ์–ด ๋ฐฉ์‹๊ณผ ๋‹ฌ๋ฆฌ ์œ ๋Ÿ‰์ด ์™ธ๊ธฐ ์กฐ๊ฑด์„ ๋ฐ˜์˜ํ•˜์—ฌ ๋Šฅ๋™์ ์œผ๋กœ ์กฐ์ •๋˜์—ˆ๋‹ค.

ํ•˜์ง€๋งŒ ํ•ด๋‹น ๊ฒฐ๊ณผ๋Š” ์ตœ์  ์ œ์–ด๋ฅผ ํ†ตํ•ด ์‹ค์‹œ๊ฐ„ ๋ฐ˜์‘์ด ์ด๋ฃจ์–ด์กŒ์Œ์—๋„ ๋ถˆ๊ตฌํ•˜๊ณ , ๊ณ ๋ถ€ํ•˜ ์šด์ „ ์กฐ๊ฑด์—์„œ๋Š” ์ •๊ฒฉ ์œ ๋Ÿ‰์— ๊ทผ์ ‘ํ•œ ์ˆ˜์ค€์œผ๋กœ ์ง€์† ์šด์ „๋˜๋Š” ๊ฒฝํ–ฅ์œผ๋กœ ์ธํ•ด ์œ ๋Ÿ‰ ์กฐ์ ˆ ํšจ๊ณผ๊ฐ€ ์ œํ•œ์ ์œผ๋กœ ๋‚˜ํƒ€๋‚ฌ๋‹ค. ํŠนํžˆ, ์œ ๋Ÿ‰ ๋ณ€ํ™” ํญ(49~51 L/min)๊ณผ ์ถ•์—ด์กฐ ํ‰๊ท  ์˜จ๋„ ์ฐจ์ด(0.03โ„ƒ)๊ฐ€ ์ž‘๊ฒŒ ๋‚˜ํƒ€๋‚œ ๊ฒƒ์€ ์‹คํ—˜ ๋‹น์‹œ ๋†’์€ ๋ถ€ํ•˜์œจ์ด ์˜ํ–ฅ์„ ๋ฏธ์นœ ๊ฒƒ์œผ๋กœ ํ•ด์„๋œ๋‹ค. ๋”ฐ๋ผ์„œ ๋ณธ ์‹คํ—˜์€ ์ตœ์  ์œ ๋Ÿ‰ ์ œ์–ด์˜ ์ ์šฉ ๊ฐ€๋Šฅ์„ฑ์€ ํ™•์ธํ•˜์˜€์œผ๋‚˜, ์œ ๋Ÿ‰ ๋ณ€๋™์ด๋‚˜ ์—๋„ˆ์ง€ ์ €๊ฐ ํšจ๊ณผ๊ฐ€ ์ถฉ๋ถ„ํžˆ ๋ฐœํœ˜๋  ์ˆ˜ ์žˆ๋Š” ๋‹ค์–‘ํ•œ ๋ถ€ํ•˜ ์กฐ๊ฑด์—์„œ ์ถ”๊ฐ€์ ์ธ ๊ฒ€ํ† ๊ฐ€ ํ•„์š”ํ•˜๋‹ค.

Fig. 3 System operation characteristics under AI-based optimal control

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3.3 ์‹คํ—˜ ๊ฒฐ๊ณผ

๊ธฐ์กด ์ œ์–ด ์‹คํ—˜๊ณผ ์ตœ์  ์ œ์–ด ์‹คํ—˜ ๊ฐ„์˜ ์œ ๋Ÿ‰ ๋ฐ ์ˆœํ™˜ํŽŒํ”„ ์†Œ๋น„์ „๋ ฅ ๋ณ€ํ™” ์–‘์ƒ, ๊ทธ๋ฆฌ๊ณ  ๋ƒ‰๋ฐฉ ์„ฑ๋Šฅ๊ณ„์ˆ˜(COP)๋ฅผ ์ค‘์‹ฌ์œผ๋กœ ์‹คํ—˜ ๊ฒฐ๊ณผ๋ฅผ ๋น„๊ตํ•˜๊ณ  ๋ถ„์„ํ•˜์˜€๋‹ค. ๊ธฐ์กด ์ œ์–ด ๋ฐฉ์‹์€ ์œ ๋Ÿ‰์„ 50 L/min์œผ๋กœ ๊ณ ์ •ํ•˜์—ฌ ์šด์ „ํ•˜์˜€์œผ๋‚˜, ์ตœ์  ์ œ์–ด๋Š” ์™ธ๊ธฐ ์กฐ๊ฑด ๋ณ€ํ™”์— ๋”ฐ๋ผ ์œ ๋Ÿ‰์„ ์‹ค์‹œ๊ฐ„์œผ๋กœ ์กฐ์ ˆํ•˜์˜€๋‹ค. ํŠนํžˆ ๋ถ€ํ•˜๊ฐ€ ๊ฐ์†Œํ•œ ๊ตฌ๊ฐ„์—์„œ๋Š” ์œ ๋Ÿ‰์ด ์•ฝ 48 L/min๊นŒ์ง€ ์ €ํ•˜๋˜๋ฉฐ, ์ด์— ๋”ฐ๋ผ ์ˆœํ™˜ํŽŒํ”„ ์†Œ๋น„์ „๋ ฅ๋„ ํ•จ๊ป˜ ๊ฐ์†Œํ•˜๋Š” ๊ฒฝํ–ฅ์ด ๊ด€์ฐฐ๋˜์—ˆ๋‹ค.

๋˜ํ•œ, ์ˆœ์‹œ ์œ ๋Ÿ‰ ๋ฐ์ดํ„ฐ๋ฅผ ๊ธฐ์ค€์œผ๋กœ ์œ ๋Ÿ‰ ๊ตฌ๊ฐ„๋ณ„๋กœ ๋‚˜๋ˆ„์–ด ํ‰๊ท  ์†Œ๋น„์ „๋ ฅ์„ ๋น„๊ตํ•œ ๊ฒฐ๊ณผ, 50 L/min ์กฐ๊ฑด ๋Œ€๋น„ 48 L/min ์กฐ๊ฑด์—์„œ ์•ฝ 0.47%์˜ ์†Œ๋น„์ „๋ ฅ ๊ฐ์†Œ๊ฐ€ ๋‚˜ํƒ€๋‚ฌ์œผ๋ฉฐ, ๋ถ€ํ•˜๊ฐ€ ์ ์€ ์กฐ๊ฑด์—์„œ๋Š” 4%์˜ ์œ ๋Ÿ‰ ๊ฐ์†Œ ์‹œ ์ตœ๋Œ€ 25%์˜ ์†Œ๋น„์ „๋ ฅ ์ ˆ๊ฐ ํšจ๊ณผ๊ฐ€ ๋‚˜ํƒ€๋‚ฌ๋‹ค. Fig. 4(a)๋Š” ๊ฐ ์ œ์–ด ๋ณ„ ๋ถ€ํ•˜๊ฐ€ ์ ์€ ์‹œ๊ฐ„๋Œ€์˜ ์ˆœํ™˜ํŽŒํ”„์˜ ์œ ๋Ÿ‰๊ณผ ์†Œ๋น„์ „๋ ฅ์˜ ์‹œ๊ฐ„ ๋ณ€ํ™”๋ฅผ ๋‚˜ํƒ€๋‚ธ๋‹ค.

์ตœ์  ์ œ์–ด์™€ ๊ธฐ์กด ์ œ์–ด์˜ ๋ƒ‰๋ฐฉ ์„ฑ๋Šฅ์„ ๋น„๊ตํ•˜๊ธฐ ์œ„ํ•ด ํžˆํŠธํŽŒํ”„($COP_{HP}$) ๋ฐ ์‹œ์Šคํ…œ($COP_{SYS}$)์˜ ๋ƒ‰๋ฐฉ ์„ฑ๋Šฅ๊ณ„์ˆ˜๋ฅผ ๋ถ„์„ํ•˜์˜€์œผ๋ฉฐ, Fig. 4(b)์— ๋‘ ์ œ์–ด ๋ฐฉ์‹์˜ ๋ƒ‰๋ฐฉ ์„ฑ๋Šฅ๊ณ„์ˆ˜๋ฅผ ๋น„๊ตํ•˜์—ฌ ๋‚˜ํƒ€๋‚ด์—ˆ๋‹ค. ์ตœ์  ์ œ์–ด ์ ์šฉ ์‹œ, ํžˆํŠธํŽŒํ”„์˜ ํ‰๊ท  ์„ฑ๋Šฅ๊ณ„์ˆ˜($COP_{HP}$)๋Š” 2.97๋กœ ๊ธฐ์กด ์ œ์–ด ๋ฐฉ์‹(2.59) ๋Œ€๋น„ 14.67% ํ–ฅ์ƒ๋˜์—ˆ์œผ๋ฉฐ, ์ด๋Š” ์‹ค์‹œ๊ฐ„ ์ˆœํ™˜์ˆ˜ ์œ ๋Ÿ‰ ์กฐ์ •์„ ํ†ตํ•ด ํžˆํŠธํŽŒํ”„์˜ ํšจ์œจ์ ์ธ ์šด์ „์„ ์œ ๋„ํ•œ ๊ฒฐ๊ณผ๋กœ ํ•ด์„๋œ๋‹ค. ์‹œ์Šคํ…œ ํ‰๊ท  ์„ฑ๋Šฅ๊ณ„์ˆ˜($COP_{SYS}$) ๋˜ํ•œ 2.23์œผ๋กœ ๊ธฐ์กด ์ œ์–ด ๋ฐฉ์‹(1.98) ๋Œ€๋น„ 12.62% ํ–ฅ์ƒ๋˜์—ˆ์œผ๋ฉฐ, ์ตœ์  ์ œ์–ด ์šด์ „์ด ๊ธฐ์กด ์ œ์–ด ์šด์ „๊ณผ ๋น„๊ตํ•˜์—ฌ ์—๋„ˆ์ง€ ํšจ์œจ์„ฑ๊ณผ ์‹œ์Šคํ…œ ์„ฑ๋Šฅ ๋ฉด์—์„œ ์šฐ์ˆ˜ํ•œ ๊ฒฐ๊ณผ๋ฅผ ๋‚˜ํƒ€๋ƒˆ๋‹ค.

์ข…ํ•ฉ์ ์œผ๋กœ, AI ๊ธฐ๋ฐ˜ ์ตœ์  ์ œ์–ด ๋ฐฉ์‹์€ ๊ธฐ์กด ์ œ์–ด ๋ฐฉ์‹ ๋Œ€๋น„ ์—๋„ˆ์ง€ ์ ˆ๊ฐ๊ณผ ์„ฑ๋Šฅ ํ–ฅ์ƒ์˜ ํšจ๊ณผ๋ฅผ ๋™์‹œ์— ์ œ๊ณตํ•  ๋ฟ๋งŒ ์•„๋‹ˆ๋ผ ๋ƒ‰๋ฐฉ ๋ถ€ํ•˜ ๋ณ€ํ™”๊ฐ€ ํฐ ํ™˜๊ฒฝ์—์„œ๋„ ์‹œ์Šคํ…œ์˜ ์•ˆ์ •์ ์ธ ์šด์ „์ด ๊ฐ€๋Šฅํ•จ์„ ํ™•์ธํ•  ์ˆ˜ ์žˆ์—ˆ๋‹ค.

Fig. 4 Comparison of flow control between optimal and conventional control.

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4. ๊ฒฐ ๋ก 

๋ณธ ์—ฐ๊ตฌ๋Š” ํƒœ์–‘๊ด‘์—ด-๊ณต๊ธฐ์—ด์› ํžˆํŠธํŽŒํ”„ ์œต๋ณตํ•ฉ ์‹œ์Šคํ…œ์— AI ๊ธฐ๋ฐ˜ ์ตœ์  ์œ ๋Ÿ‰ ์ œ์–ด ๊ธฐ์ˆ ์„ ์ ์šฉํ•˜์—ฌ ๋ƒ‰๋ฐฉ ์„ฑ๋Šฅ์„ ๊ฐœ์„ ํ•˜๊ณ ์ž ํ•˜์˜€์œผ๋ฉฐ, ์‹ค์ œ ๊ฑด์ถ•๋ฌผ ํ™˜๊ฒฝ์—์„œ ๊ธฐ์กด ์ œ์–ด ๋ฐฉ์‹๊ณผ์˜ ์„ฑ๋Šฅ ์ฐจ์ด๋ฅผ ์‹ค์ฆ์ ์œผ๋กœ ๋น„๊ตํ•˜์˜€๋‹ค. ํ•˜๊ณ„ ๋ƒ‰๋ฐฉ ์‹คํ—˜์„ ํ†ตํ•ด ๋„์ถœํ•œ ์ฃผ์š” ๊ฒฐ๊ณผ๋Š” ๋‹ค์Œ๊ณผ ๊ฐ™๋‹ค.

(1) ๊ธฐ์กด ์ œ์–ด ๋ฐฉ์‹์€ ์œ ๋Ÿ‰์„ ์ผ์ •ํ•˜๊ฒŒ ์œ ์ง€(50 L/min)ํ•œ ๋ฐ˜๋ฉด, ์ตœ์  ์ œ์–ด ๋ฐฉ์‹์€ ๋ถ€ํ•˜์— ๋”ฐ๋ผ 48~51 L/min ๋ฒ”์œ„์—์„œ ์œ ๋Ÿ‰์„ ์กฐ์ ˆํ•˜์—ฌ ๋ถˆํ•„์š”ํ•œ ์—๋„ˆ์ง€ ์†Œ๋น„๋ฅผ ์ค„์˜€๋‹ค.

(2) ํžˆํŠธํŽŒํ”„์˜ ํ‰๊ท  COP๋Š” ๊ธฐ์กด ์ œ์–ด 2.59์—์„œ ์ตœ์  ์ œ์–ด 2.97๋กœ 14.7% ํ–ฅ์ƒ๋˜์—ˆ๊ณ , ์‹œ์Šคํ…œ ์ „์ฒด COP๋Š” 1.98์—์„œ 2.23์œผ๋กœ 12.6% ํ–ฅ์ƒ๋˜์—ˆ๋‹ค. ์ด๋Š” ์‹ค์‹œ๊ฐ„ ์œ ๋Ÿ‰ ์กฐ์ ˆ์„ ํ†ตํ•ด ํžˆํŠธํŽŒํ”„๊ฐ€ ๋”์šฑ ์ตœ์ ์˜ ์กฐ๊ฑด์—์„œ ์ž‘๋™ํ•  ์ˆ˜ ์žˆ์Œ์„ ํ™•์ธํ•˜์˜€๋‹ค.

๋ณธ ์—ฐ๊ตฌ๋Š” AI ๊ธฐ๋ฐ˜ ์ตœ์ ์ œ์–ด๊ฐ€ ์—๋„ˆ์ง€ํšจ์œจ์ ์ด๋ผ๋Š” ๊ฒƒ์„ ์‹ค์ฆ์„ ํ†ตํ•ด ํ™•์ธํ•˜์˜€๋‹ค๋Š” ์ ์—์„œ ์˜์˜๋ฅผ ๊ฐ€์งˆ ์ˆ˜ ์žˆ์œผ๋‚˜, ๊ณ„์ ˆ์  ์š”์ธ์ด๋‚˜ ์žฅ๊ธฐ๊ฐ„์˜ ์šด์ „ ๊ฒฐ๊ณผ๋ฅผ ์ถฉ๋ถ„ํžˆ ๋ฐ˜์˜ํ•˜์ง€ ๋ชปํ–ˆ๋‹ค๋Š” ์ ์—์„œ ํ•œ๊ณ„๊ฐ€ ์žˆ๋‹ค. ํ–ฅํ›„, 1๊ฐœ์›” ์ด์ƒ์˜ ์žฅ๊ธฐ ์šด์ „์„ ์ˆ˜ํ–‰ํ•˜์—ฌ ์„ฑ๋Šฅ ํ‰๊ฐ€์˜ ์‹ ๋ขฐ์„ฑ์„ ํ™•๋ณดํ•  ๊ณ„ํš์ด๋‹ค.

ํ›„ ๊ธฐ

๋ณธ ์—ฐ๊ตฌ๋Š” 2023๋…„๋„ ์ค‘์†Œ๋ฒค์ฒ˜๊ธฐ์—…๋ถ€์˜ ๊ธฐ์ˆ ๊ฐœ๋ฐœ์‚ฌ์—… ์ง€์›์— ์˜ํ•œ ์—ฐ๊ตฌ์ž„(RS-2023-00223971). ๋˜ํ•œ, ์ด ๋…ผ๋ฌธ์€ ์ •๋ถ€(๊ณผํ•™๊ธฐ์ˆ ์ •๋ณดํ†ต์‹ ๋ถ€)์˜ ์žฌ์›์œผ๋กœ ํ•œ๊ตญ์—ฐ๊ตฌ์žฌ๋‹จ์˜ ์ง€์›์„ ๋ฐ›์•„ ์ˆ˜ํ–‰๋œ ์—ฐ๊ตฌ์ž„(RS-2025-00512834 and No. 2021R1A2C2014259).

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