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This paper proposes a novel integrated power system for electric vehicles (EVs) to improve the power density and efficiency at a less cost. It integrates the on-board charger (OBC) and the low-voltage DC/DC converter (LDC) by common use of semiconductor devices, capacitors and magnetic components. Therefore, the volume and cost of the integrated system is reduced compared with the conventional two...
Research of mathematical model is an important work in control field. According as the abstract concept of the Hammerstein model, this paper studies modelling method based on balance points of controlled object, taking objects of thermal control field as research background, establishes corresponding mathematical models of coordinate controlled object for boiler-turbine generator units whose boilers...
The fuzzy-control usually takes the error and the error derivative between the output and the set point of the system as the input of the controller. But from the pure mathematical point of view, the variable and itpsilas every rank derivative of the system can be seen as the each state of the system. This paper shows some limitation of the classical fuzzy-control and brings forward the concept of...
The validity of mathematical model as basis to research the boiler-turbine coordinated control system will direct impact the research result. Based on the energy conversation law, the Bell- Astrom model has deeply analyzed in this paper. The mathematical deducing offer a method applied to analyze and distinguish a mathematical model. Moreover it has provide that the mathematical model much more accord...
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