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There are two major problems that people usually have to face when they carry out optimal control designs in state space system or descriptor system. One is no state derivative considered in cost functional, the other is that some systems cannot easily design optimal control in either state space system or generalized system frameworks. To overcome the problems, a novel state derivative space system...
This paper addresses the need of the novel reciprocal state space (RSS) framework to be the supplement of standard state space system in control designs. A model following design based on variable structure control design approach utilizing direct state derivative measurement for an RSS system with nonlinear dead-zone input is proposed. Simulations for both nonlinear dead-zone input and nonlinear...
This paper investigates the novel variable structure control (VSC) designs with state derivative feedback in nontraditional reciprocal state space (RSS) framework. Novel switching functions based on the derivative of sliding surface satisfying the approaching condition of sliding mode are introduced. In addition, algorithm of finding upper bound of system uncertainty is developed for robustness analysis...
This paper introduces novel tracking control algorithms for step command utilizing state derivative output feedback and feedforward in reciprocal state space framework. Linear quadratic regulator (LQR) design of deviation system is used to find state derivative output feedback gain and two methods are developed to find feedforward gain to construct tracking controller in reciprocal state space framework...
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