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In this paper, a function approximation technique (FAT) based adaptive controller is proposed for tracking control of a piezoelectric-actuated X-Y table. Due to nonlinear hysteretic behaviors associated with the system, control problems involving piezoelectric actuator (PA) are challenging. Moreover, universal and effective hysteresis model for the PA is difficult if not impossible to obtain. Thus,...
In this paper, two robust adaptive control schemes are proposed for a class of uncertain nonlinear systems in a Brunovsky form with unknown dead-zone and sector nonlinearity. The design is based on the principle of sliding mode control and the use of Nussbaum-type function in solving the problem of the completely unknown control gain. The novel description of input nonlinearity which makes the control...
A new approach about design for supersonic anti-ship missiles guidance laws (GLs) was proposed in this study. Firstly, the normal form of the fourth order state equation for integrated guidance and control loop about the yaw plane was formulated considering target uncertainties and control loop dynamics. Next the proposed GLs adopts the sliding mode control approach with adaptation for known bound...
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