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According to controllability theory of nonlinear coordinated control with multi-agent, this paper proposes a coordinative optimization method based on the model predictive control (MPC) to achieve the coordination control of energy allocation. Between the micro sources with the incremental cost of consistency algorithm for leader-follower, using an interactive algorithm to achieve the exact optimal...
This paper proposes a simplified model predictive control (MPC) for open-winding permanent magnet synchronous motor (OW-PMSM) system with two isolated power sources. According to the relationship between the torque and flux in PMSM, the two control constraints, torque and flux, in conventional MPC are converted into an equivalent flux vector, which eliminates the weighting factor in the cost function...
This paper presents an approach to completely eliminate common-mode voltage (CMV) of an AC motor fed by a three-level neutral point clamped (NPC) inverter. CMV is produced at the star point of an AC machine fed from the inverter. Its parasitic coupling with the motor frame has a negative effect on the motor itself and other equipment, particularly in underground environment. The proposed approach...
The paper proposes a moving average filter (MAF)-based model predictive control (MPC) for the electric vehicles (EVs) bidirectional chargers. Grid virtual flux is used to estimate the grid voltage through a low pass filter (LPF). An MAF, which acts as an ideal LPF, can eliminate the effect of unbalanced/distorted grid voltage and unknown characteristic harmonics. Both the two-cascaded LPF-based and...
The semi-controlled open-winding permanent magnet synchronous generation system with a common dc bus provides a flowing path for zero sequence current, which will decrease the efficiency of the whole control system. To solve zero-sequence current of the semi-controlled open winding PMSG system, a model predictive current control (MPCC) method is proposed based on the analysis of the working principle...
This paper presents predictive control for single phase multi-module UPS inverters with output LC filter modeling. In the previously proposed current predictive control, it has finite dynamic response of transient time by voltage PI control. To complement this problem, voltage and current predictive control are proposed to substitute voltage PI control with output LC filter modeling. Multi-module...
In this paper, voltage vector selection for the direct torque control (DTC) for surface permanent magnet synchronous motor (SPMSM) based on predictive control is proposed. Firstly, based on increasing or decreasing effects of the applying voltage vector on the amplitude of stator flux and torque of SPMSM, the proper voltage vector selection area of the DTC for SPMSM is given. Then predictive control...
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