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This paper proposes a new soft-switching strategy for an isolated Three-Port bidirectional DC/DC Converter (TPC). Two inner phase shift angles will be introduced to two secondary inverters to make the modulation more flexible. Unlike published researches on TPC, this paper analyzes the converter in the frequency domain based on the fundamental harmonic approximation method. The simulation results...
Recently, researches on electric vehicle are focused on motion control and state estimation. These works require a model that imitate a real vehicle as close as possible. We propose in this paper a signal hardware-in-the-loop model of electric vehicles that includes driving system and vehicle model running in real-time in dSPACE-DS1103 control card. All the required states of the electric vehicle...
A new strategy for controlling single-phase dual-active-bridge converter is proposed in this paper. It is realized by employing dynamic control of the direct and quadrature current components, detached from the transferred current. The direct component Id is determined approximately from the terminal current, whereas, the quadrature one, Iq, is estimated by a reduced-order observer. All the models...
This paper proposes a simple and effective scheme for Direct Torque Control (DTC) of Brushless DC Motor. Unlike the traditional DTC where both the torque and flux must to be employed in order to deliver the switching table for the inverter, the proposed DTC scheme utilizes only the torque information. By considering the particular operating principle of the motor, the instantaneous torque can be estimated...
This paper presents real-time simulation results of a switched reluctance motor (SRM) drive with a novel Torque Distribution Function (TDF) for high-speed applications, in order to reduce torque ripple. The SRM is fed by a three-phase unidirectional power converter having three legs, each of which consist of two IGBTs and two free-wheeling diodes. The SRM model incorporates all non-linearities between...
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