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In this paper, a direct torque control (DTC) of encoderless Synchronous Reluctance Motor (SynRM) drives is proposed based on emotional controller and space vector modulation. The proposed modern controller is called brain emotional learning based intelligent controller (BELBIC). The utilization of BELBIC is based on the emotion processing mechanism in brain, and is essentially an action, which is...
Based on the rebuilt of control rule base, a modified type PI-like fuzzy logic controller (FLC) with output scaling factor (SF) self-tuning mechanism is proposed in this paper for application in the switched reluctance motor (SRM) drive system. This paper intends to simplify the construction hierarchy and computational complexity of the controller by trimming the number of fuzzy sets in the membership...
A so-called bridged-T controller, which combines both open-loop and closed-loop control components is proposed for speed control of a switched reluctance motor. The open-loop controller provides a fast dynamic response and the closed-loop controller assures zero steady-state speed error by feedback of the error between the ideal open-loop response and the actual machine response. The bridged-T controller...
Based on the redevelopment of control rule base, a modified type PI-like fuzzy logic controller with output scaling factor (SF) self-tuning mechanism is proposed and experimentally testified in this paper for application in the switched reluctance motor (SRM) drive system. This paper aims to simplify the structure hierarchy and computational complexity of the controller by reducing the number of fuzzy...
In this paper, a modern intelligent control based on computational model of mammalian limbic system and emotional processes (BELBIC) is presented for speed control of switched reluctance motor with attention to torque ripple reduction. In this work, a novel and simple model of SRM drives control plant is achieved by using the intelligent control system, which controls motor speed accurately and directly,...
This paper presents a novel control scheme for a two-phase synchronous reluctance motor (TPSynRM) . A three-leg two-phase inverter is used to drive the TPSynRM. The torque of the TPSynRM is controlled with a direct torque control (DTC) method. DTC uses the space vectors of the three-leg inverter. The speed controller has a two-degree of freedom (TDOF) structure. A pole-zero cancellation (PZC) method...
A four-phase 8/6 pole and 75 kW switched reluctance motor drive based on 32-bit digital signal processor TMS320F2812 is designed. The details of the controller design and analysis are discussed. In addition, aiming at solving the nonlinear problems of the switched reluctance motor, fuzzy-PI hybrid algorithm is presented to control the motor speed and the phase current. Experimental results show that...
This paper presents a fuzzy sliding mode speed control design procedure for robust stabilization and disturbance rejection of the synchronous reluctance motor (SynRM) drive system. In general, the conventional sliding mode control design is assumed that the upper boundary of parameter variations and external disturbances is known and the sign function is used. Therefore, it causes high frequency chattering...
This paper presents the a adaptive sliding mode speed control design procedure for robust stabilization and disturbance rejection of the current sensorless synchronous reluctance motor (SynRM) drive system. In this paper, we proposed a novel adaptive sliding mode control to avoid the conventional sliding mode control, which causes high frequency chattering and high gain phenomenon drawbacks due to...
A nonlinear adaptive robust speed tracking controller is presented for a three-phase synchronous reluctance motor (SynRm) considering the control strategy of maximum torque control (MTC) related to this motor. Ignoring the motor iron losses, the proposed controller is designed based on combination of input-output feedback linearization (IOFL) control and adaptive sliding mode technique. The proposed...
In this paper a torque compensation technique for switched reluctance motor (SRM) is proposed. The conventional torque control with a simple current control loop usually causes large torque ripples and affects the speed response and overall performance of the drive system. The proposed torque compensation method is based on a torque estimation technique using the inductance profile and squared value...
In this paper, a robust switched reluctance motor (SRM) drive using the speed closed-loop with the discrete time reaching law control and the current closed-loop with nonlinear conversion function from torque to average current is proposed. Firstly, the current closed-loop is implemented by employing the average value of three phase-currents and the digital proportion and integrator, which greatly...
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