Sensorless Rotor-Field Oriented Controlled Induction Motor Drive with Particle Swarm Optimization Algorithm Speed Controller Design Strategy

Figure 17

Simulated responses of MRAS sensorless RFOC IM dive with PSO algorithm speed controller design strategy with loading 2 N-m at reversible steady-state speed command 1800 rpm. (a) Command speed (blue line) and actual shaft speed (red line), (b) command speed (blue line) and estimated shaft speed (red line), (c) rotor flux linkage locus, (d) estimated electromagnetic torque.

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