This paper presents the speed control of a separately excited DC motor using Neural Network (NN)\ncontroller in field weakening region. In armature control, speed controller has been used in outer\nloop while current controller in inner loop is used. The function of NN is to predict the field current\nthat realizes the field weakening to drive the motor over rated speed. The parameters of NN\nare optimized by the Social Spider Optimization (SSO) algorithm. The system has been implemented\nusing MATLAB/SIMULINK software. The simulation results show that the proposed method gives a\ngood performance and is feasible to be applied instead of others conventional combined control\nmethods.
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