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Public support can aid invasive species control and thus reduce negative impacts. Scientific communication can help or hinder efforts when associated risk and uncertainty are exaggerated or neglected, creating fear or distrust. Review of 104 media articles about managing a devastating forest insect, the hemlock woolly adelgid (Adelges tsugae), revealed that uncertainties and value judgments associated...
The paper describes a mixed approach to the fault isolation on a winding machine. The first step is the generation of residuals, i.e. signals containing information about the faults. Based on a linear model of the winding machine, an observer based residual generation has been designed, however, measurements of the nonlinear system have been used for the calculation of the residuals. The second step...
This paper studies the problem of Η∞ detection filter design for state delayed linear continuous-time systems with parameter uncertainty, in which the effects of faults and disturbances cannot be de-coupled from each other. The detection filter gains are designed so that, if the fault of the system is absent, the filter is convergent for the admissible uncertainty conditions. The transfer function...
This paper addresses the problem of robust H ∞ state feedback control design for linear systems with state delay and parameter uncertainty. Based on a positive-definite solution of a modified algebraic Riccati equation, the proposed robust H ∞ static state feedback controller stabilizes uncertain time-delay systems independently of delays, and guarantees an H ∞ norm bound constraint...
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