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Using a set of fluid equations to describe the inertial dust grain component in dense collisionless unmagnetized quantum dusty plasmas, where the electrons and ions obey the Thomas–Fermi density distribution, the propagation characteristics of dust acoustic solitary waves (DASWs) are studied. First, a linear dispersion of dust acoustic wave (DAW) is obtained, and it is shown that the DAW is modified...
Based on the strong tracking filter (STF), a STF-LQR control approach is presented for the control of a ball and beam system (BBS). The simple linearized mathematical model of the BBS is first obtained according to physics laws. In order to model the BBS accurately, an additional control action is introduced as an augmented state variable to compensate for the unmodeled dynamics, such as friction,...
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