This paper presents the hardware implementation of 12/24V closed loop boost converter using dSPACE 1104 controller board for lamp load. The proposed system consists of 12V battery, closed loop boost converter and 24V lamp load .The closed loop boost converter is used to boost the 12V input DC voltage to 24V DC output. To regulate the output of the converter, feedback voltage is given to dSPACE controller. Using control desk and MATLAB, voltage from dSPACE is amplified and compared with reference voltage which in turn generates PWM signal that controls the switching of IGBT. Initially simulation is carried out using PI controller in MA TLAB. The experimental results for closed loop boost converter obtained in software and hardware are presented here and verified with theoretical results.
Abstract:In this Paper, an Intelligent Direct Torque Control (DTC) method is proposed for controlling induction motor using Multilevel inverter with space Vector Modulation (SVM).A stage of Artificial Neural Network (ANN) is utilised for predicting the target parameters with the corresponding input parameters change in motor torque and flux. The change in motor torque and flux parameters are extracted from the behaviour of the system with PI controller. The back propagation learning method is used to learn the ANN. By using the ANN output and PI controller outputs, PWM control signal are generated from the SVM technique and control the multilevel inverter. Then the proposed intelligent control technique is implemented in the MATLAB/Simulink and the effectiveness are analysed with five level cascaded inverter and comparing the results with PI cont roller and the proposed case. The comparison results shows that the proposed method have good speed control response.
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