IEEE Electrification Magazine - March 2020 - 66

gr 03.1

0.073 V

8.03 A

1
C8
2
0.236 V

13.607 V

8.03 A

Proper results were attained in the
case study given a simplified network. Furthermore, the proposed
simulation strategy is able to individually analyze the different harnesses in the onboard EDS. In
addition, the described methodology may also serve as a referential
framework to begin including
other functionalities and ongoing
trends procuring the development
of smart vehicular EDSs, some of
which are described in the following sections.

3A

0.424 V

3A

1A

1
C7
2
0.843 V

13.480 V
1
C10
2

1
2 C9
13.649 V
3
0.775 V

2A
1A
13.746 V

Figure 6. A sample network showing different node voltages and branch currents.

gr 01.1
0V

I E E E E l e c t r i f i cati o n M agaz ine / MARCH 2020

gr 02.1
gr 00.1

0.069 V

0.068 V

27.57 A

0.415 V
Sp m01

0.579 V

3A
4A

1
C5
2

1
C3
2
0.096 V
1
C4
2
0.131 V

13.476 V
13.355 V

0.420 V
16.02 A 0.52 A
13.307 V
3A
4A
BATT

+

14 V

F4A

13.423 V

1
3 E1
4

13.402 V

16.54 A
Sp 01
31.57 A

13.512 V
F4
42.60 A

4A

F1A
A1
13.935 V
13.619 V

Thermal Studies

7.03 A

1
3 K2

13.449 V

1
K6 3

7.03 A 7.03 A

13.40 V

1A

13.492 V

F53

13.844 V

F51

F50

1A

7.03 A

0.438 V

66

Future Research and Trends
Toward Smart EDS

4.10 A

F3A

13.846 V 3.93 A
13.793 V Sp 03

C1
F2A
F5A

13.905 V
13.894 V
3A
Sp apr 13.883 V

3.93 A
13.931 V

F3

the calculated branch currents
are consistent all along the circuit.

The inclusion of heat thermal analysis is of high relevance and may
allow the study of the thermal
behavior of automobile cable harnesses in the steady and transient
states, given certain environmental
and driving conditions. As a result,
more trustworthy electrical simu-
lations would be achieved, as the
wiring physical properties would
be updated according to predefined
scenarios. In this regard, some
advances have been proposed by
Rius, although, in that case, the
modeling is limited to the simulation of single wires or bundles but
not applied to the entire EDS.

HiL
The role of HiL is becoming more
significant in the automotive in--
dustry, as it provides an efficient
alternative for performing trustworthy simulations and developing robust control strategies for
complex and challenging applications, such as autonomous driving
or electrical-mechanical traction
shift in hybrid electric vehicles. For
the case of onboard EDSs, the use
of HiL would permit the development of accurate dynamic models
and analysis of the real-time transient and steady-state responses
of the electrical network when



IEEE Electrification Magazine - March 2020

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