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To assure the stability and dynamic performance of the sensorless induction motor drives, the design strategy of both feedback gains and adaptation gains for an adaptive full-order observer (AFO) is a necessary issue. In this paper, to accomplish both requirements, a simplified design of feedback gains of AFO is studied, and the selection method of the optimal value for feedback gains is discussed...
To assure the stability performance of the speed estimation in the speed sensorless induction motor drives, the design strategy of feedback gain matrix for an adaptive full-order observer is a necessary issue. In this paper, the major cause of instability phenomenon based on adaptive full-order observer is analyzed, and a novel design of observer's feedback gain matrix is proposed to achieve the stability...
With more and more Voltage Source Converter based HVDC (VSC-HVDC) projects including in power grid, it is of practical significance to develop a simplified and pertinent model of the VSC-HVDC for the electromechanical dynamic simulation. By proposing an equivalent voltage controlled source and full consideration of the control blocks, a quasi steady state model of the VSC-HVDC is proposed in the present...
In this paper, we establish the input-output predictive models containing time delays for a class of dual-rate systems that the control is applied at a slower rate than the available measurements of the plant output signal, and a new dual-rate predictive control algorithm for the system with time delays is presented. Furthermore, the robust stability of the closed-loop system is analyzed using linear...
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