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This paper offers a model-based fault detection and isolation (FDI) scheme for a rudder servo system (RSS) that manages ship navigation. Inherent nonlinearities and unknown external disturbances present great challenges in applying FDI technologies to RSS in practice. This paper presents the derivation of the state equations and commonly encountered fault types of RSS from physical laws, and the design...
Unlike classical floorplanning that usually only handles block packing to minimize silicon area, modern VLSI floorplanning typically needs to pack blocks within a fixed die(outline) with various user defined constraints. Many algorithms of floorplanning now are with fixed-outline constraint, and these algorithms handle this constraint in the process of stochastic iterative optimization. But the process...
In this paper, a method of Gaussian approximation (GA) in a formulated manner is proposed to model inter-cell interference for OFDMA systems with beamforming. It is based on the parameters of 3GPP spatial channel model (SCM). For single-antenna OFDMA systems, the WINNER project proposed that the inter-cell interference can be modeled as white Gaussian noise. However, as indicated by itself, the validity...
This paper presents a novel voice morphing system which reproduces high quality speech while maintaining the majority of the target characteristics. Bi-GMM is named for using GMM technique to estimate mapping functions as well as a codebook generated by GMM either. Compared with the traditional GMM technique, a maximum likelihood estimation framework combined with codebook compensation technique is...
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