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This work presents a novel semi-supervised learning approach for data-driven modeling of asset failures when health status is only partially known in historical data. We combine a generative model parameterized by deep neural networks with…

机器学习 · 计算机科学 2017-09-05 Andre S. Yoon , Taehoon Lee , Yongsub Lim , Deokwoo Jung , Philgyun Kang , Dongwon Kim , Keuntae Park , Yongjin Choi

In Prognostics and Health Management (PHM) sufficient prior observed degradation data is usually critical for Remaining Useful Lifetime (RUL) prediction. Most previous data-driven prediction methods assume that training (source) and testing…

机器学习 · 计算机科学 2019-07-18 Paulo R. de O. da Costa , Alp Akcay , Yingqian Zhang , Uzay Kaymak

Encouraged by the success of deep learning in a variety of domains, we investigate the suitability and effectiveness of Recurrent Neural Networks (RNNs) in a domain where deep learning has not yet been used; namely detecting confusion from…

计算机视觉与模式识别 · 计算机科学 2019-06-27 Shane D. Sims , Vanessa Putnam , Cristina Conati

Radar sensors offer power-efficient solutions for always-on smart devices, but processing the data streams on resource-constrained embedded platforms remains challenging. This paper presents novel techniques that leverage the temporal…

机器学习 · 计算机科学 2023-09-13 Max Sponner , Julius Ott , Lorenzo Servadei , Bernd Waschneck , Robert Wille , Akash Kumar

This paper introduces a novel method for predicting tool wear in CNC turning operations, combining ultrasonic microphone arrays and convolutional neural networks (CNNs). High-frequency acoustic emissions between 0 kHz and 60 kHz are…

音频与语音处理 · 电气工程与系统科学 2024-06-14 Jan Steckel , Arne Aerts , Erik Verreycken , Dennis Laurijssen , Walter Daems

The memorization effect of deep neural networks (DNNs) plays a pivotal role in recent label noise learning methods. To exploit this effect, the model prediction-based methods have been widely adopted, which aim to exploit the outputs of…

机器学习 · 计算机科学 2022-06-28 Chuang Zhang , Li Shen , Jian Yang , Chen Gong

Detecting structure in noisy time series is a difficult task. One intuitive feature is the notion of trend. From theoretical hints and using simulated time series, we empirically investigate the efficiency of standard recurrent neural…

机器学习 · 计算机科学 2021-10-22 Alexandre Miot , Gilles Drigout

Radar pulse streams exhibit increasingly complex temporal patterns and can no longer rely on a purely value-based analysis of the pulse attributes for the purpose of emitter classification. In this paper, we employ Recurrent Neural Networks…

信号处理 · 电气工程与系统科学 2019-11-20 Paolo Notaro , Magdalini Paschali , Carsten Hopke , David Wittmann , Nassir Navab

In reverse osmosis desalination, ultrafiltration (UF) membranes degrade due to fouling, leading to performance loss and costly downtime. Most plants rely on scheduled preventive maintenance, since existing predictive maintenance models,…

人工智能 · 计算机科学 2026-02-03 Qusai Khaled , Laura Genga , Uzay Kaymak

Continual learning approaches help deep neural network models adapt and learn incrementally by trying to solve catastrophic forgetting. However, whether these existing approaches, applied traditionally to image-based tasks, work with the…

机器学习 · 计算机科学 2022-06-27 Young D. Kwon , Jagmohan Chauhan , Abhishek Kumar , Pan Hui , Cecilia Mascolo

Quantum Recurrent Neural Networks (QRNNs) are robust candidates for modelling and predicting future values in multivariate time series. However, the effective implementation of some QRNN models is limited by the need for mid-circuit…

量子物理 · 物理学 2025-01-31 José Daniel Viqueira , Daniel Faílde , Mariamo M. Juane , Andrés Gómez , David Mera

Time series are all around in real-world applications. However, unexpected accidents for example broken sensors or missing of the signals will cause missing values in time series, making the data hard to be utilized. It then does harm to…

机器学习 · 计算机科学 2020-11-24 Chenguang Fang , Chen Wang

The prediction of periodical time-series remains challenging due to various types of data distortions and misalignments. Here, we propose a novel model called Temporal embedding-enhanced convolutional neural Network (TeNet) to learn…

机器学习 · 计算机科学 2022-02-09 Jiajun Liu , Kun Zhao , Brano Kusy , Ji-rong Wen , Raja Jurdak

A hybrid approach, incorporating concepts of nonlinear dynamics in artificial neural networks (ANN), is proposed to model time series generated by complex dynamic systems. We introduce well known features used in the study of dynamic…

comp-gas · 物理学 2008-02-03 D. R. Kulkarni , A. S. Pandya , J. C. Parikh

While machine learning is traditionally a resource intensive task, embedded systems, autonomous navigation, and the vision of the Internet of Things fuel the interest in resource-efficient approaches. These approaches aim for a carefully…

Recent research demonstrate that prediction of time series by recurrent neural networks (RNNs) based on the noisy input generates a smooth anticipated trajectory. We examine the internal dynamics of RNNs and establish a set of conditions…

机器学习 · 计算机科学 2020-10-07 Boris Rubinstein

One of the key challenges in predictive maintenance is to predict the impending downtime of an equipment with a reasonable prediction horizon so that countermeasures can be put in place. Classically, this problem has been posed in two…

机器学习 · 计算机科学 2018-12-19 Karan Aggarwal , Onur Atan , Ahmed Farahat , Chi Zhang , Kosta Ristovski , Chetan Gupta

Encoder-decoder recurrent neural network models (RNN Seq2Seq) have achieved great success in ubiquitous areas of computation and applications. It was shown to be successful in modeling data with both temporal and spatial dependencies for…

机器学习 · 计算机科学 2020-02-03 Kun Su , Eli Shlizerman

In this work, a novel approach for the construction and training of time series models is presented that deals with the problem of learning on large time series with non-equispaced observations, which at the same time may possess features…

机器学习 · 计算机科学 2020-11-25 Charilaos Mylonas , Eleni Chatzi

Fault diagnosis of rotating machinery is an important engineering problem. In recent years, fault diagnosis methods based on the Convolutional Neural Network (CNN) and Recurrent Neural Network (RNN) have been mature, but Transformer has not…

计算工程、金融与科学 · 计算机科学 2021-08-31 Yuhong Jin , Lei Hou , Yushu Chen