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Alegerea unui autovehicul
Coordonator
Acad. Dr. Florin Filip
Student
Hanu Razvan
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Introducere
• Dl. X este angajat la o firma ce are sediul la o
distanta de 10 kilometrii fata de domiciliul
sau. Cum firma nu poate sa ofere angajatilor
autovehicule pentru a se deplasa, dl. X doreste
sa achizitioneze o masina cu care sa se poata
deplasa la locul de munca si sa o foloseasca in
scopuri personale.
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Structurarea modelului
• Stabilirea criteriilor:
– Pretul;
– Fiabilitatea;
– Consumul;
– Siguranta;
– Dotarile de serie;
• Stabilirea alternativelor: -Dacia;
-Opel;
-Hyundai;
-Ford;
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Tabela consecintelor
Alternativa
A(i)
CE(1) ▼
Pretul €
CE(2) ▲
Fiabilitatea
CE(3) ▼
Consumul
L/100 km
CE(4) ▲
Siguranta
CE(5) ▲
Dotarile de
serie
Dacia 5.000 2 6 2 2
Opel 8.000 4 5 5 3
Hyundai 5.500 3 5.5 3 5
Ford 6.000 5 4.5 4 4
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Tabela consecintelor normalizate
Alternativa
A(i)
CE(1) ▲
Pretul €
∆ = .
CE(2) ▲
Fiabilitatea
∆ =
CE(3) ▲
Consumul
L/100 km
∆ = .
CE(4) ▲
Siguranta
∆ =
CE(5) ▲
Dotarile de
serie
∆ =
Dacia 1 0 0 0 0
Opel 0 0.75 0.66 1 0.25
Hyundai 0.85 0.25 0.33 0.25 1
Ford 0.5 1 1 0.75 0.75
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Stabilirea ponderilor criteriilor
• Ponderile criteriilor se stabilesc in functie de importanta fiecarui criteriu suma acestora fiind 1.
– Pretul w(1)=0.5
– Fiabilitatea w(2)=0.1
– Consumul w(3)=0.3
– Siguranta w(4)=0.05
– Dotarile de serie w(5)=0.05
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Tabela consecintelor normalizate cu
criterii ponderate
Alternativa
A(i)
CE(1) ▲
Pretul €
∆ = .
W(1)=0.5
CE(2) ▲
Fiabilitatea
∆ =
W(2)0.1
CE(3) ▲
Consumul
L/100 km
∆ = .
W(3)=0.3
CE(4) ▲
Siguranta
∆ =
W(4)=0.05
CE(5) ▲
Dotarile de
serie
∆ =
W(5)=0.05
Dacia 1 0 0 0 0
Opel 0 0.75 0.66 1 0.25
Hyundai 0.85 0.25 0.33 0.25 1
Ford 0.5 1 1 0.75 0.75
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Tabela deciziilor cu valori agregate
Alternativa
A(i)
CE(1) ▲
Pretul €
∆ = .
W(1)=0.5
CE(2) ▲
Fiabilitatea
∆ =
W(2)0.1
CE(3) ▲
Consumul
L/100 km
∆ = .
W(3)=0.3
CE(4) ▲
Siguranta
∆ =
W(4)=0.05
CE(5) ▲
Dotarile de
serie
∆ =
W(5)=0.05
J(i)
Dacia 1 0 0 0 0 0.5
Opel 0 0.75 0.66 1 0.25 0.3
Hyundai 0.85 0.25 0.33 0.25 1 0.6
Ford 0.5 1 1 0.75 0.75 0.7
J(i)= w’ v(i)=∑w(j) v(i,j) ; i= , . …, na
unde: v(i)=[v(i,1), …,v(i,nc)] este vectorul scorurilor scalate.
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Prezentarea rezultatelor
0.5
0.3
0.7
0.6
A(1) A(2) A(3) A(4)
A(1) - DACIA
A(2) - OPEL
A(3) - HYUNDAI
A(4) - FORD
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Bibliografie
Filip F.G. (2005). Decizie asistata de calculator: decizii , decidenti, metode de baza si instrumente informatice asociate. Ed. TEHNICA, Bucuresti;
Filip, F.G. (2002). Decizie asistata de calculator: decizii, decidenti , metode si instrumente de baza. Ed. TEHNICA, Bucuresti;
Filip, F.G. (2004). Sisteme suport pentru decizii. Ed. TEHNICA, Bucuresti;
Filip F.G. (2007). Sisteme suport pentru decizii. Ed. TEHNICA, Bucuresti;
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Va multumesc!