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A nonlinear control strategy for controlling a motion system with mechanical resonance is presented in this paper. A mathematical model of the servo system is derived according to the parameters of an actual system. By using two Tracking-Differentiators, reference input and system output are tracked and their differential signals are given simultaneously. A nonlinear PD control law in velocity loop...
It is always a hard work to optimize the parameters of auto disturbance rejection controller (ADRC) because of its too many parameters. An optimization method for designing the submarine course ADRC based on the Nonlinear Control Design (NCD) block set of Matlab was proposed. The chief algorithm of ADRC and characters of the NCD block set were referred in briefly too. It was pointed out that there...
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...
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