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In this paper, the challenging issue of estimating virtual unmodeled dynamics is addressed. A novel estimation algorithm based on historical data and the output of low-order approximation models for virtual un-modeled dynamics is presented. In particular, the virtual un-modeled dynamics are decomposed into known and unknown parts, where only the unknown part is to be estimated. The method effectively...
Land subsidence due to ground water withdrawal is a serious problem all over the world. However, in most of the analyzing methods deal with the pumping aquifers as an isolated system and no groundwater recharging happens during pumping. This paper presents a new method based on the water balance theory to calculate water head change due to water recharge. We use viscoelasticity diffusion equation...
In this paper, an adaptive generalized predictive control method based on adaptive-network-based fuzzy inference system (ANFIS) and switching control is proposed for a class of discrete-time nonlinear systems with unstable zero-dynamics. ANFIS is used to estimate and compensate the unmodeled dynamics, which overcomes the uncertainty of neural network and avoids the possibility that the network becomes...
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