Dian Sheng

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An observer-based fractional order anti-saturation adaptive backstepping control scheme is proposed for incommensurate fractional order systems with input saturation and partial measurable state in this paper. On the basis of stability analysis, a novel state observer is established first since the only information we could acquire is the system output. In(More)
This paper investigates the problem pertained to adaptive backstepping control for a class of incommensurate fractional order nonlinear systems. The controlled plant is of parametric strict-feedback form with unknown parameters, varying disturbance and partial measurable state. To solve this problem, a novel state observer is constructed first and then an(More)
This article aims at estimating the multi-variable commensurate fractional order systems based on the subspace identification method. By means of the properties of modulating function and integration by parts, the fractional order derivatives of input and output signals are converted into differentiation of modulating function. A new method via the nuclear(More)
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