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The paper deals with the problem of robust speed control of electrical servodrives. A robust controller is developed using a nonlinear IP controller. The controller nonlinear characteristic is obtained due to fuzzy logic technique application. An original method of controller settings adjustment is presented. The use of this adjustment procedure ensures robust speed control against the variations...
In order to deal with the uncertainties of permanent magnet synchronous motor, the moment of inertia, viscous damping coefficient and load torque are online identified simultaneously based on recursive least-square (RLS) estimator, which is composed of RLS estimator and a torque observer. Then, a novel self-tuning PI controller is real-time designed according to the identified parameter based on pole...
This paper presents hybrid PI (HBPI) controller of IPMSM drive using fuzzy adaptive mechanism control. In general, PI controller in computer numerically controlled machine process fixed gain. They may perform well under some operating conditions, but not all. To increase the robustness, fixed gain PI controller. HBPI controller proposes a new method based self tuning PI controller. HBPI controller...
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