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The adaptive autopilots are based on velocity scheduling, a self-tuning regulator for steady state course keeping, a high gain turning regulator with variable structure, and a Kalman filter. Results from simulations and full-scale experiments on three different tankers are presented. The autopilots are shown to work excellently under different loads, speed and weather conditions.
Introduction: Heterogeneity in cognitive outcomes and response to treatment has been described in Alzheimer’s disease (AD). Using the method of mixed models, higher resolution can be obtained to identify potential predictors of long-term outcomes. Aims: To analyse the impact of the APOE genotype, non-steroidal anti-inflammatory drug (NSAID) therapy and cholinesterase inhibitor treatment (ChEI) on
Comments as an expert and member of COST A5: Ageing and Technology Network, on a working paper for the European Commission
In this paper transient electromagnetic wave propagation in a stratified, anisotropic, dispersive medium is considered. Specifically, the direct scattering problem is addressed. The dispersive, anisotropic medium is modeled by constitutive relations (a 3 × 3 matrix-valued susceptibility operator)con taining time convolution integrals. In the general case, nine different susceptibility kernels char
A theory of viscoplasticity is formulated within a thermodynamic concept. The key point is the postulate of a dynamic yield surface, which allows us to take advantage of the postulate of maximum dissipation to derive an associated formulation of the evolutions laws for the internal variables without using penalty techniques that only hold in the limit it when viscoplasticity degenerates to invisci
This paper examines the impact of mutual inductance and parasitic capacitance on the phase-error performance for a class of CMOS quadrature voltage-controlled oscillators (QVCOs). Good agreement is found between theory, post-layout simulations, and measurement results. The QVCOs were implemented in a standard 0.35/spl mu/m CMOS process. All QVCOs display a center frequency of 2 GHz and a tuning ra
