نتایج جستجو برای: external disturbance

تعداد نتایج: 232375  

Journal: :International Journal of Aerospace Engineering 2022

Aimed at the flight control problem of a near-space vehicle (NSV) with uncertainties such as parameter perturbation and external disturbance, novel dynamic surface (DSC) method high-order linear extended state observer (HLESO) compensation is proposed in this paper. In method, tracking differentiator (TD) based on an inverse hyperbolic sine function firstly designed, convergence TD also analyse...

Journal: :CoRR 2017
Muhammad Zakiyullah Romdlony Bayu Jayawardhana

In this paper, we propose a new robustness notion that is applicable for certifying systems’ safety with respect to external disturbance signals. The proposed input-to-state safety (ISSf) notion allows us to certify systems’ safety in the presence of the disturbances which is analogous to the notion of input-to-state stability (ISS) for analyzing systems’ stability.

Journal: :Ecology 2013
A R E Sinclair Kristine L Metzger John M Fryxell Craig Packer Andrea E Byrom Meggan E Craft Katie Hampson Tiziana Lembo Sarah M Durant Guy J Forrester John Bukombe John Mchetto Jan Dempewolf Ray Hilborn Sarah Cleaveland Ally Nkwabi Anna Mosser Simon A R Mduma

Understanding how entire ecosystems maintain stability in the face of climatic and human disturbance is one of the most fundamental challenges in ecology. Theory suggests that a crucial factor determining the degree of ecosystem stability is simply the degree of synchrony with which different species in ecological food webs respond to environmental stochasticity. Ecosystems in which all food-we...

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