Operational expenditures of the technical system are the third criterion (Fig.10).
Functional relation may be established once calculations applying formula (13)
are performed and displayed graphically as Fig.10):
T
T
T
E
D
Q
Z
=
−−
,
(13)
Figure 10. Functional relation between technical system’s operational condition
and operational expenditures
Each component is calculated applying appropriate formulae, as below,
1
0
T
t
t
T
D
D
Q
=
=
,
1
0
T
t
t
T
Z
Z
Q
=
=
,
(14)
Figure 11. Functional relation for technical system operational efficiency
-0,6
-0,4
-0,2
0
0,2
0,4
0,6
0,8
1
1,2
0
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
t
у.
е.
-1
0
1
2
3
4
5
6
7
8
9
0
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
t
y
.e
.
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