TOI UU HOA (Lan 3)

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GII THIU CHUNG V TI U HA

THIT K TH NGHIM V X L S LIU: TNG QUAN

V D THC T

NI DUNG HC PHNNI DUNG HC PHN

A PROCESSReaction time: X1(30 40 mins)

Reaction temp: X2(150 160 0F)

Yield: Y

V D 1

AdministratorHighlight

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Tc gi tin hnh TUH vi 2 giai on

1. TN leo dc bng m hnh bc 1: local optimum

2. TN tm im ti u bng m hnh bc 2: global optimum




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Trnh t leo dc

1. Xy dng m hnh bc 1

2. Tnh ton ng dc nht

3. Tin hnh TN leo dc

4.

Trnh t leo dc




4.


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BinBin thc (Z) Bin m ha (X)

Thp Tm Cao Thp Tm Cao

Thi gian 30 35 40 -1 0 + 1

Nhit 150 155 160 -1 0 +1

PTHQ theo bin m ha Y = b0 + b1X1 + b2X2 + b12X1X2

Cc mc ca bin:

1Z1 2Z2

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Bc 3: Trnh t leo dc




4.


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ng dc nht

Chn nhn t c s (*):

bj*.Zj*=max|bj.Zj|

Chn di bc cho nhn t c s: hj*

Tnh di bc hj cho cc nhn t cn li:

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Time Temp

Tm (Zj0) 35 155

bj 0,775 0,325

Cn trn (Zjmax) 40 160

Cn di (Zjmin) 30 150

Zj = (Zjmax - Zjmin)/2 5 5

bj.Zj 0,775 5 0,325 5

Vy Time (X1) l nhn t c s. Chn h1 = 5

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Bc 3: Trnh t leo dc




4.


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Tip tc xy dng m hnh bc 1

khc vi tm: Z0 = 85 , Z0 = 175

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BinBin thc (Z) Bin m ha (X)

Thp Tm Cao Thp Tm Cao

Thi gian 80 85 170 -1 0 + 1

Nhit 150 175 180 -1 0 +1

PTHQ theo bin m ha Y = b0 + b1X1 + b2X2 + b12X1X2

Cc mc ca bin:

A PROCESSA PROCESSReaction time: X1(80 90 mins)

Reaction temp: X2(170 180 0F)

Yield: Y

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PP thit k TN c chn: CCD


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Sinh vin tnh ton bng JMP v bng tay

Cc h s ca PTHQ: b1, b2, b12, b11, b22.

Tnh ton bng ANOVA, R2, R2adj. Nhn xt kt qu.

Kim nh ngha ca cc h s bj.

Z = ? Z = ? th Y max

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D ON IU KIN TI U

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V D 2

NG DNG K THUT SIU M

TRONG SN XUT SA DA

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Sa daSa da hay cn gi l nc ct da, l sn phm dng nh tng mu trng sa nhn c khi p cm dati no nhuyn trong iu kin c hay khng b sung nc vi thnh phn ha hc c cha nhiu cht nh bo,protein, carbohydrate, khong,

Qui trnh sn xut sa da

Phng php lm bn h nh tngthng c s dng l phng phpng ha s dng p lc cao lm gimkch thc cc ht cht bo.

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ng dng k thut siu m nng cao tnh n

nh h nh tng, ko di thi gian bo qun

ca sn phm sa da.

Mc tiu ca ti:

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ng ha sa da bng siu m

Bin c lp:

Cng sut (W, max = 750W)

Thi gian (pht)

Nhit nhp liu (0C )

Hm mc tiu:

ng knh ht bo (m)

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Ni dung nghin cu

Kho st qu trnh siu m: xc nh vng cha

iu kin ti u

Ti u ha qu trnh siu m: xc nh iu kin

hiu qu ng ha bng siu m t cc i.

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Ni dung nghin cu


iu kin ti u




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KT QU KHO ST QU TRNH SIU M

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Ni dung nghin cu


iu kin ti u




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KT QU TUH QU TRNH SIU M

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Ymin = 1,78 (m)


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V D 3 M HNH HA & TI U HA QU TRNH CHIT TCHCHT MU ANTHOCYANIN T QU DU

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YU CU

Y1max = maxy1

y2max = maxy2

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TI U HA A MC TIU

A PROCESSA PROCESSX1

X2

Y1

Y2Y3

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Y1 max

Y2 max

xut phng php gii

Khng th c 1 nghim chung c 2 hmmc tiu t c Y1max, Y2max m ch tmc nghim tha hip cc gi tr Y1, Y2nm gn Y1max, Y2max.

Khng th c 1 nghim chung c 2 hmmc tiu t c Y1max, Y2max m ch tmc nghim tha hip cc gi tr Y1, Y2nm gn Y1max, Y2max.

Phng php chp tuyn tnh

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TI U HA A MC TIU CHO BI

ANTHOCYANIN BNG SOLVER

(SV t chn h s quan trng)

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TOI UU HOA (Lan 3)