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The Big data analytics gives new chances to the enterprises to enhance their management and manufacturing levels. A solution with case study is proposed to accomplish deep-level quality management based on big data analytics. First, the implementation of big data analytics based on industrial process data is illustrated with case study illustration. Through the analysis and feature extraction of off-line...
Feature extraction is very important in the fault detection of rolling bearing for wind turbine. More features don't mean good performance. Data analysis and experiment based on real wind turbine samples are carried out to achieve efficient fault detection. Firstly, the original signal is decomposed with improved Empirical Mode Decomposition(EMD) to get a finite number of stationary intrinsic mode...
Bearings are widely used in industrial equipment, and their fault detections have tight relationship with the safety production and economic operation. Its running state can influence the performance of the whole machine directly, and the fault of bearing is one of the main factors that lead to the fault of machinery equipment during the running process. Instead of using traditional measures based...
Fuzzy vault can be used as an encryption framework to protect the user's identity key using the biometric. This framework can provide a balance between fuzzy biometric and the accuracy of cryptography system. In this paper, we propose a method to fuse multi-biometrics and encrypt the key of users based on fuzzy vault. We test this method using the multibiometrics from the same source database made...
Classification has been used for modeling many kinds of data sets, including sets of items, text documents, graphs, and networks. However, there is a lack of study on a new kind of data, trajectories on road networks. Modeling such data is useful with the emerging GPS and RFID technologies and is important for effective transportation and traffic planning. In this work, we study methods for classifying...
The Chinese HJ saterllite CCD sensor is similar to Landsat-5 TM with the same spatial resolution, but there are enormous advantages in space coverage and frequency of repeated observations. This paper focuses on the image quality evaluation of the four HJ CCD sensors by reference to Landsat TM data from near-synchronous images. The results are as follows: Mainly due to limited evel of radiation acceptance...
This paper proposes a new approach to detect the fall of the elderly. The detection system is composed of a PC server and distributed cameras. The distributed cameras are used to capture images of different place in a house, and the PC server is used for fall recognition. In the fall recognition process, we extracted a new feature using for distinguishing lying down normally and behavior of falling...
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