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相关论文: An Unsupervised Framework for Dynamic Health Indic…

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The cause-specific cumulative incidence function (CIF) quantifies the subject-specific disease risk with competing risk outcome. With longitudinally collected biomarker data, it is of interest to dynamically update the predicted CIF by…

定量方法 · 定量生物学 2019-06-14 Cai Wu , Liang Li , Ruosha Li

Delay embedding---a method for reconstructing dynamical systems by delay coordinates---is widely used to forecast nonlinear time series as a model-free approach. When multivariate time series are observed, several existing frameworks can be…

机器学习 · 统计学 2019-07-04 Shunya Okuno , Kazuyuki Aihara , Yoshito Hirata

The precision, stability, and performance of lightweight high-strength steel structures in heavy machinery is affected by their highly nonlinear dynamics. This, in turn, makes control more difficult, simulation more computationally…

系统与控制 · 电气工程与系统科学 2025-03-11 Qasim Khadim , Peter Manzl , Emil Kurvinen , Aki Mikkola , Grzegorz Orzechowski , Johannes Gerstmayr

Health-aware control (HAC) has emerged as one of the domains where control synthesis is sought based upon the failure prognostics of system/component or the Remaining Useful Life (RUL) predictions of critical components. The fact that…

人工智能 · 计算机科学 2020-10-20 Mayank Shekhar Jha , Philippe Weber , Didier Theilliol , Jean-Christophe Ponsart , Didier Maquin

Remaining useful life (RUL) prediction based on vibration signals is crucial for ensuring the safe operation and effective health management of rotating machinery. Existing studies often extract health indicators (HI) from time domain and…

信号处理 · 电气工程与系统科学 2024-06-26 Yunchong Long , Qinkang Pang , Guangjie Zhu , Junxian Cheng , Xiangshun Li

Condition monitoring of industrial systems is crucial for ensuring safety and maintenance planning, yet notable challenges arise in real-world settings due to the limited or non-existent availability of fault samples. This paper introduces…

信号处理 · 电气工程与系统科学 2024-10-28 Maryam Ahang , Mostafa Abbasi , Todd Charter , Homayoun Najjaran

Dynamic MRI suffers from limited spatiotemporal resolution due to long acquisition times. Undersampling k-space accelerates imaging but makes accurate reconstruction challenging. Supervised deep learning methods achieve impressive results…

图像与视频处理 · 电气工程与系统科学 2025-11-18 Yuanyuan Liu , Yuanbiao Yang , Jing Cheng , Zhuo-Xu Cui , Qingyong Zhu , Congcong Liu , Yuliang Zhu , Jingran Xu , Hairong Zheng , Dong Liang , Yanjie Zhu

Modern applications increasingly require unsupervised learning of latent dynamics from high-dimensional time-series. This presents a significant challenge of identifiability: many abstract latent representations may reconstruct…

机器学习 · 计算机科学 2024-03-14 Yubo Ye , Sumeet Vadhavkar , Xiajun Jiang , Ryan Missel , Huafeng Liu , Linwei Wang

Finding interpretable biomechanical models can provide insight into the functionality of organs with regard to physiology and disease. However, identifying broadly applicable dynamical models for in vivo tissue remains challenging. In this…

The Prognostics and Health Management Data Challenge (PHM) 2016 tracks the health state of components of a semiconductor wafer polishing process. The ultimate goal is to develop an ability to predict the measurement on the wafer surface…

人工智能 · 计算机科学 2025-03-04 Kart-Leong Lim , Rahul Dutta

Human-machine interfaces (HMI) play a pivotal role in the rehabilitation and daily assistance of lower-limb amputees. The brain of such interfaces is a control model that detects the user's intention using sensor input and generates…

计算工程、金融与科学 · 计算机科学 2021-10-08 Sharmita Dey , Takashi Yoshida , Robert H. Foerster , Michael Ernst , Thomas Schmalz , Rodrigo M. Carnier , Arndt F. Schilling

Automated medical report generation has demonstrated the potential to significantly reduce the workload associated with time-consuming medical reporting. Recent generative representation learning methods have shown promise in integrating…

计算机视觉与模式识别 · 计算机科学 2025-10-31 Shuchang Ye , Mingyuan Meng , Mingjian Li , Dagan Feng , Usman Naseem , Jinman Kim

We propose a reinforcement learning method for estimating an optimal dynamic treatment regime for survival outcomes with dependent censoring. The estimator allows the failure time to be conditionally independent of censoring and dependent…

统计方法学 · 统计学 2022-05-13 Hunyong Cho , Shannon T. Holloway , David J. Couper , Michael R. Kosorok

System outputs in Structural Health Monitoring (SHM), such as sensor measurements or extracted features like eigenfrequencies, are influenced not only by (potential) damage but also by environmental and operational variables (EOV).…

应用统计 · 统计学 2026-04-02 Lizzie Neumann , Philipp Wittenberg , Alexander Mendler , Jan Gertheiss

Safety is a central requirement for autonomous system operation across domains. Hamilton-Jacobi (HJ) reachability analysis can be used to construct "least-restrictive" safety filters that result in infrequent, but often extreme, control…

系统与控制 · 电气工程与系统科学 2024-02-15 Athindran Ramesh Kumar , Kai-Chieh Hsu , Peter J. Ramadge , Jaime F. Fisac

Semi-supervised learning has attracted significant attention due to the proliferation of applications featuring limited labeled data but abundant unlabeled data. In this paper, we examine the statistical inference problem in an…

统计方法学 · 统计学 2026-03-31 Chao Ying , Siyi Deng , Yang Ning , Jiwei Zhao , Heping Zhang

With the introduction of damage tolerance-based design philosophies, the demand for reliable and robust structural health monitoring (SHM) procedures for aerospace composite structures is increasing rapidly. The performance of supervised…

信号处理 · 电气工程与系统科学 2022-04-22 Mahindra Rautela , J. Senthilnath , Ernesto Monaco , S. Gopalakrishnan

Mathematical models are crucial for optimizing and controlling chemical processes, yet they often face significant limitations in terms of computational time, algorithm complexity, and development costs. Hybrid models, which combine…

Accurate models are essential for design, performance prediction, control, and diagnostics in complex engineering systems. Physics-based models excel during the design phase but often become outdated during system deployment due to changing…

机器学习 · 计算机科学 2025-01-22 Zihan Liu , Prashant N. Kambali , C. Nataraj

We study the modeling and forecasting of high-dimensional functional time series, which can be temporally dependent and cross-sectionally correlated. We implement a functional analysis of variance (FANOVA) to decompose high-dimensional…

统计方法学 · 统计学 2026-03-31 Han Lin Shang , Cristian F. Jiménez-Varón