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This work is to propose a new sliding mode observer (SMO) for systems described by continuous-time models but subject to discrete-time measurements. One of the important features of the SMOs is their robustness to disturbances and/or uncertainties in applications to control systems such that they are very important tools for robust system state estimation. For convenience of stability analysis, the...
The purpose of this paper is to improve the performance of MEMS parallel plate actuators and RF switches systems. Electrostatic micro actuators are normally driven by static open-loop voltage control schemes. A major problem in this control strategy is that at a distance of two-thirds of the zero-bias capacitive gap, the actuator position becomes unstable and collapses. This phenomenon is known as...
This paper presents a dynamical control of fuel cell and battery hybrid system to supply a suddenly changing load. Because of the voltage drop when PEM fuel cell current increases, in this hybrid system, the fuel cell is used to supply the rated power to the load, a Lithium battery will supply peak power that the load demands, meanwhile, the fuel cell will charge the battery when the battery voltage...
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