xxii
List of Figures
Figure 3.9
Classification of machine states according to time
and optimization aspects . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
53
Figure 3.10 Measured consumption profile of a production profile
of a machine . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
54
Figure 3.11 Representation of exact consumption profiles
and consumption profiles of a machine determined
by mean value formation . . . . . . . . . . . . . . . . . . . . . . . . . . . .
55
Figure 3.12 Coherence of operational machine and energy state . . . . . .
56
Figure 3.13 Application of the LPC methodology . . . . . . . . . . . . . . . . . .
58
Figure 3.14 Example of electricity composition and sample load
profile . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
60
Figure 4.1
Convergence of disciplines in the context of energy
efficiency in producing companies . . . . . . . . . . . . . . . . . . . . .
69
Figure 5.1
Conceptual framework of the simulation-based
optimization and interfaces to the real production
system . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
95
Figure 5.2
Overview of the hybrid simulation approach
for the energy consumption model of a production . . . . . . .
96
Figure 5.3
Specification of the module structure . . . . . . . . . . . . . . . . . .
98
Figure 5.4
Example visualization of a production flow
in AnyLogic . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
99
Figure 5.5
Production flow and planning parameters . . . . . . . . . . . . . . .
99
Figure 5.6
Production flow component . . . . . . . . . . . . . . . . . . . . . . . . . . 100
Figure 5.7
Different complexity types of the machine logic . . . . . . . . . 101
Figure 5.8
Machine logic and power consumption profile
with varying production quantities . . . . . . . . . . . . . . . . . . . . . 102
Figure 5.9
Production process parameters . . . . . . . . . . . . . . . . . . . . . . . . 103
Figure 5.10 Machine component . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 103
Figure 5.11 Machine-state dependent summation of single energy
states to a total energy consumption . . . . . . . . . . . . . . . . . . . 104
Figure 5.12 Energy Component . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 106
Figure 5.13 Energy profile creation depending on the events
in the material flow and the resulting machine behavior . . . 107
Figure 5.14 Effects of events triggered in the machine component
on the material flow . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 109
Figure 5.15 Effect of machine failures triggered in the machine
component on the material flow . . . . . . . . . . . . . . . . . . . . . . . 110
Figure 5.16 Conceptual structure of the simulation module . . . . . . . . . . 111