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Simulation is a key issue in the design of control electrical systems. Simulation packages using component library, such as PSIM®, are very useful to achieve this goal. The simulation model is thus easily built from the system topology (structural model). But the deduction of the control scheme is more difficult, because a functional model is more suitable. Some graphical descriptions, such as EMR...
Using different approaches, modeling for different HEVs has been studied. Generally, considering the different combinations of components, each architecture has its own modeling. The modeling and control design of different HEVs could be achieved in a general way, despite the fact that HEVs can be very different from each other in terms of structure. If the modeling and control design of different...
Nowadays in the automobile sector, seeking reductions in emission and fuel consumption in hybrid electric vehicles (HEVs) is an increased focus. In different architectures of HEVs the most favourable architecture is a series-parallel HEV, because of its high operation modes and performance as it joins the advantages of both series and parallel HEVs. In spite of its advantages, this system is more...
Hardware-in-the-loop (HIL) simulations are more and more used to assess performances of electric drives before their insertion on a whole system. But HIL simulation requires a lot of subsystems and control parts. A graphical description is used in this paper in order to organise HIL simulation. Two examples are given with experimental results: an electric vehicle traction system and a wind generator.
Within the framework of force feedback for human computer interface, piezoelectric actuators present interests thanks to their simplicity of implementation and high forces. This paper deals with a standing wave ultrasonic motor used to obtain an adjustable brake, able to oppose a resistance force to the user. First of all, the ultrasonic actuator and its principle are introduced. The ability to produce...
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