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For the prediction of ship structural vibration and noise, it is important to measure exciting forces transferred to ship hull from machinery. For resiliently-mounted machine, indirect estimation based on impedances of the isolator and direct measurement based on transducer for force were discussed. Test validated the proposed method by small diesel engine, and direct force measured by PCB transducer...
The estimation of battery state-of-charge (SOC) is crucial for the safety and reliability of electric vehicles. This paper develops an auxiliary particle filter based on a Markov-chain Monte-Carlo (MCMC) method. Compared with the standard particle filter, it improves the estimation accuracy by incorporating auxiliary sampling and enhances its robustness by using MCMC resampling. Simulation results...
High-speed I/O link plays an important role in modern computer systems. In order to accurately estimate a small BER value in the order of 10−12, a large number of bits need to be transmitted, which results in expensive testing cost. In this paper, we exploit the correlation between the performance of high-speed I/O link under different corners/configurations to improve the accuracy of the estimated...
Competition results are traditionally decided based on referees' rating scores. However, due to the inconsistent evaluation standard and the different subjective wishes of referees, the evaluation results will be affected to some extent. Thus, the objectivity of competition results will be reduced. We propose a method by using referees' preference ordering for players instead of traditional scores...
According to the aero-engines' flight hours and the speed cycle number, we can obtain the relationship between the load spectrum and the life of its main components; According to the analysis of actual measured load spectrum and the fatigue damage model, this paper adopts the S-N curve and Miner's rule to estimate the fatigue life of engine's first stage turbine disk.
Aiming at the difficulty of dependent data analysis in data measurement field and the application limitation of traditional variance analysis for the processing of correlation data, the principle of mixed model and the corresponding design for the unequal variance data sets were discussed. The fixed effects and random effects were combined with the mixed model which realized the analysis of dependent...
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