Online dynamic working-state recognition through uncertain data classification
نویسندگان
چکیده
The satellite must continue working properly under different environments and loads. power system is an essential component. Due to tasks, loads, attitudes, a has many diverse states. Therefore, it necessary accurately recognize the state online for fault diagnostics health management. However, measurement errors, environmental noise, interference, other uncertain factors, output voltage value of levels uncertainties. If these uncertainties various states are not considered, recognition results can be low quality. To address this problem uncertainty we present dynamic working-state systems based on data classification . In system, first explore uncertain-data clustering center model state. Then, with slide-window processing strategy, compute distances between cluster centers online. Thus, obtain more accurate results. evaluation real demonstrate that presented valid applied system.
منابع مشابه
Dynamic Cost-sensitive Naive Bayes Classification for Uncertain Data
The uncertain data as an important aspect of data mining, has received considerable attention, due to its importance in many applications, but little study has been paid to the cost-sensitive classification on uncertain data, so this paper proposes the dynamic costsensitive Naive Bayes classification for mining uncertain data (DCSUNB). Firstly, we apply the probability density to dispose uncert...
متن کامل“abc” Classification with Uncertain Data
abbreviate title: " ABC " classification with uncertain data 2 " ABC " CLASSIFICATION WITH UNCERTAIN DATA. This study presents an alternative way of classifying the different productive items of a company. A fuzzy model for the magnitudes involved (demand and cost) is described. This model contrasts with the classic Pareto classification (ABC), which ranks productive items according to their im...
متن کاملDYNG: Dynamic Online Growing Neural Gas for stream data classification
In this paper we introduce Dynamic Online Growing Neural Gas (DYNG), a novel online stream data classification approach based on Online Growing Neural Gas (OGNG). DYNG exploits labelled data during processing to adapt the network structure as well as the speed of growth of the network to the requirements of the classification task. It thus speeds up learning for new classes/labels and dampens g...
متن کاملOnline Unsupervised State Recognition in Sensor Data (Supplementary Materials)
Smart sensors, such as smart meters or smart phones, are nowadays ubiquitous. To be “smart”, however, they need to process their input data with limited storage and computational resources. In this paper, we convert the stream of sensor data into a stream of symbols, and further, to higher level symbols in such a way that common analytical tasks such as anomaly detection, forecasting or state r...
متن کاملA Bayesian mixture model for classification of certain and uncertain data
There are different types of classification methods for classifying the certain data. All the time the value of the variables is not certain and they may belong to the interval that is called uncertain data. In recent years, by assuming the distribution of the uncertain data is normal, there are several estimation for the mean and variance of this distribution. In this paper, we co...
متن کاملذخیره در منابع من
با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید
ژورنال
عنوان ژورنال: Information Sciences
سال: 2021
ISSN: ['0020-0255', '1872-6291']
DOI: https://doi.org/10.1016/j.ins.2020.11.022