Modelling and cosimulation of an automotive power management system
for hybrid-electric power train vehicles
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This work describes the development of a system modelof a power management system for hybrid-electricvehicles. An extensive survey about hybrid-electricvehicles in general and their differences to commonvehicles is given. In addition, advantages ofmodel-based development are outlined and severalmodel-based approaches regarding power management inautomotive systems are presented and evaluated. The system model is modeled asa multi-level heterogeneous closed-loop, whichcontains a high level controller and a low levelcontrolled system. The controller corresponds tothe Electronic Control Unit, whi...
This work describes the development of a system model
of a power management system for hybrid-electric
vehicles. An extensive survey about hybrid-electric
vehicles in general and their differences to common
vehicles is given. In addition, advantages of
model-based development are outlined and several
model-based approaches regarding power management in
automotive systems are presented and evaluated.
The system model is modeled as
a multi-level heterogeneous closed-loop, which
contains a high level controller and a low level
controlled system. The controller corresponds to
the Electronic Control Unit, which is normally used
for power management. The controlled system
constitutes the vehicle electrical system of a
hybrid-electric vehicle. The heterogeneous system
property facilitates a high-level description of the
controller as a state chart by means of MATLAB s
Stateflow toolbox, whereas the controlled system
is completely modeled with the hardware description
language VHDL-AMS on lower level with high
accuracy.The simulation of the heterogeneous
structure is carried out by a cosimulation with
the tool SyAD.
Finally, the cosimulation results are
analyzed precisely.
of a power management system for hybrid-electric
vehicles. An extensive survey about hybrid-electric
vehicles in general and their differences to common
vehicles is given. In addition, advantages of
model-based development are outlined and several
model-based approaches regarding power management in
automotive systems are presented and evaluated.
The system model is modeled as
a multi-level heterogeneous closed-loop, which
contains a high level controller and a low level
controlled system. The controller corresponds to
the Electronic Control Unit, which is normally used
for power management. The controlled system
constitutes the vehicle electrical system of a
hybrid-electric vehicle. The heterogeneous system
property facilitates a high-level description of the
controller as a state chart by means of MATLAB s
Stateflow toolbox, whereas the controlled system
is completely modeled with the hardware description
language VHDL-AMS on lower level with high
accuracy.The simulation of the heterogeneous
structure is carried out by a cosimulation with
the tool SyAD.
Finally, the cosimulation results are
analyzed precisely.
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