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This study investigates the problem of global decentralised fault-tolerant control for a class of non-linear large-scale systems with unknown time-delayed interconnections. The authors propose a novel time-delay replacement technique. With this technique, a delay-assumption independent controller is then developed. In addition, the delayed input variables of the fuzzy approximator are replaced by...
A new optimal guidance algorithm for aeroassisted orbital transfer of reentry vehicle is presented. The complex aeroassisted orbital transfer guidance problem is translated into a trajectory optimization problem which is solved with optimal control theory. Based on the simplified dynamic equations, the Hamilton function and adjoint state equation for optimization is built. Sequentially, the problem...
Strapdown seeker scale factor error will degrade the performance of the seeker. In order to analyze the effect of seeker scale error on parasitical loop stability and effective navigation ratio, in this paper the strapdown seeker scale factor error is analyzed and the model of the scale factor error is constructed, meanwhile the concept of the strapdown seeker scale factor error parasitical loop is...
In this paper, adaptive fuzzy decentralized control for a class of uncertain large-scale time-delay nonlinear systems is presented. By employing fuzzy approximators and the technique of delay replacement, the decentralized dynamic surface control (DSC) design approach can be carried out with both unknown delay signals and interconnections. Furthermore, the designed fuzzy decentralized controller is...
In this paper, adaptive fuzzy decentralized control is presented for a class of uncertain large-scale time-delay nonlinear systems. By employing the fuzzy logic systems and the technique of delay replacement, the iterative backstep- ping design approach can be carried out, and the common restrictions of the unknown delay signals and the unknown interconnections are removed. Furthermore, the designed...
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