Rapid Control Prototyping Platform for Real-Time Implementation of IM Speed Controllers

In this paper, a rapid control prototyping platform for Real-Time implementation of IM speed controllers is made. The sliding mode controller, the nonlinear PI controller and the classical PI controller are applied to control an induction motor. All controllers were successfully implemented in real-time using rapid control prototyping techniques based on the digital simulator OP5600 that simulate the vector control of induction motor technique with the real speed sensor. The model first developed under Matlab/Simulink on RT-LAB software then loaded on the target via network connections TCP/IP protocol. Each response is analyzed and explained by graphics considering the performance at different speeds and the response to compensate changes in load.  Experimental results demonstrate the high precision and the robustness of the sliding mode controller compared with the vector controller PI and NPI mainly in case of speed sense reverse and load changes.

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