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This paper proposes a control method for torque response improvement in permanent magnet synchronous motors. In general, the torque response can be improved by using the inverter overmodulation range. However, in the overmodulation range, the performance of the auto current regulator (ACR) deteriorates significantly because disturbance components, which consist of low-order components, are fed back...
In this paper, a new feedback type flux-weakening control method for current control of interior permanent magnet synchronous motors using values of voltage saturation, which is the difference between the output value of the auto current regulator (ACR) and the actual output value, and voltage margin, which is the difference between the output value of the ACR and its limit value, has been proposed...
In synchronous reluctance motors (SynRMs), it is difficult to achieve the wide speed drive because the conventional flux-weakening control is affected greatly by the magnetic saturation. In this paper, a new flux-weakening control method using the value of the voltage saturation for SynRMs has been proposed.
In this paper, a novel flux-weakening control method for robust position sensorless control to magnetic saturation of interior permanent synchronous motors has been proposed. The proposed method can achieve the fast torque response and construct the robust control system to magnetic saturation.
In this paper, a novel anti-windup and flux-weakening control method for current control of interior permanent synchronous motors using the current and the current phase operation has been proposed. This method does not use the motor parameters directly; therefore, it is possible to achieve the robust control system. The proposed method is possible to achieve the fast torque response and to construct...
This paper proposes a novel position sensorless control system utilizing an inverter over-modulation range for IPMSMs with magnetic-nonlinearity by simple algorithms. Both position sensorless control and drive within inverter over-modulation range contribute cost reduction, however these schemes could destabilize closed loop current control system especially in high torque region because of (1) variation...
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