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Metal oxide and oxyhydroxide nanoparticles are important components of natural aqueous systems and have application in photocatalysis. Uncoated (oxyhydr)oxide nanoparticles can form charge-stabilized colloids in water, but the precise regimes of dispersion and aggregation have been determined for very few nanomaterials. We studied the colloidal behavior of(More)
mountain-scale UZ flow model (Wu et al., 2003), which is in turn based on the analysis and results of the aboveWe present a large-scale modeling study characterizing fluid flow referenced work (as well as many other studies). Buildand tracer transport in the unsaturated zone (UZ) of Yucca Mountain, Nevada, the proposed underground repository site for(More)
This note considers the generalized quadratic stability problem for continuous-time singular system with nonlinear perturbation. The perturbation is a function of time and system state and satisfies a Lipschitz constraint. In this work, a sufficient condition for the existence and uniqueness of solution to the singular system is firstly presented. Then by(More)
The second buffer method is put forward to deal with the wrong order of data packets. The Markov characteristic of delay in networked control systems is analyzed. The evaluation method of element in state transition matrix is given when the wrong order of data packet is considered. Jump linear systems methods arc used to analyze the stability of networked(More)
  • Guoping Lu
  • 2006 9th International Conference on Control…
  • 2006
In this paper, robust H<sub>infin</sub> observer design for a class of Lipschitz nonlinear discrete-time systems with time-delay and disturbance input are addressed, where the Lipschitz condition is expressed in a component-wise rather than aggregated manner. It has been shown that both full-order and reduced-order robust H<sub>infin</sub> observers can be(More)