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Ship maneuverability requires speed control system for electric propulsion with wide speed range and fast dynamic response. Therefore, nonlinear optimal control design method of permanent magnet synchronous motor for electric propulsion is proposed based on differential geometry in this paper. The nonlinear system model is linearized into double-input and double-output linear Brunovsky form via multi-input...
Two different nonlinear dynamic control algorithms are presented for synchronous motors with damping windings: (i) an adaptive speed-sensorless controller for rotor position tracking in the presence of unknown constant load torque, on the basis of rotor angle, stator and field windings currents measurements; (ii) an adaptive control law for rotor speed tracking in the presence of uncertain constant...
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