Relative Degree Of Plant Research Articles

구동기 동역학이 존재하는 잡음감쇠-외란관측기의 안정성

In this paper, we study the robust stability of closed-loop system with noise reduction-disturbance observer (NR-DOB) when the relative degree of plant is greater than that of nominal model. Compared with the case where the relative degree of plant is the same as that of nominal model, it is shown that the nominal model for NR-DOB controller should be carefully chosen in order to achieve the robust stability. Computer simulation results to confirm the proposed condition are also included.

Adaptive control design of linear system with unknown parameters via output

The work is devoted to a known and popular problem of synthesis of a stabilizing control law for a linear system with unknown parameters. Assuming that the plant of control is given in the form of input - output and has a Hurwitz numerator, in a class of robust control algorithms, the new approach permitting to decide the task of stabilization of a linear uncertain system only on measurements of an output variable is offered. The offered control algorithm is simple in realization, and regulator has a unit less dimensionality than the relative degree of plant.