Approach to determining a remaining useful life of a system

    公开(公告)号:US12130616B2

    公开(公告)日:2024-10-29

    申请号:US17358260

    申请日:2021-06-25

    Abstract: Systems and methods for determining a remaining useful life of a system. The system and method include one or more processors; a memory coupled to the one or more processors; a data acquisition unit configured to receive run-to-failure time series data; a neural network training unit configured to train a neural network model to determine a point in time that a health index changes from a healthy stage to a degradation stage; a remaining useful life estimation unit configured to estimate a first remaining useful life of the system based on the point in time; estimate a second remaining useful life of the system by converting a feature representation output by the second neural network; minimize the difference between the first remaining useful life and the second remaining useful life; classify the health stage based on a probability; and an output unit configured to send a warning to a user.

    FRAUD DETECTION USING TIME-SERIES TRANSACTION DATA

    公开(公告)号:US20240354767A1

    公开(公告)日:2024-10-24

    申请号:US18760398

    申请日:2024-07-01

    CPC classification number: G06Q20/4016 G06N3/045 G06N3/10

    Abstract: Disclosed are various embodiments for leveraging deep learning-based recurrent neural networks (RNNs) using time-series data to evaluate fraud risk for an incoming transaction associated with a user account. Time-series attributes can be extracted from historical transaction data and the incoming transaction data. The time-series attributes can be defined as an array of sequential events that are inputted into an RNN-based machine-learning framework to predict whether an incoming or otherwise pending transaction is fraudulent given the spending sequence. An RNN-based time-series prediction model can be trained to understand and predict patterns associated with a user's spending history according to the inputted time-series data in order to predict whether the transaction is fraudulent.

    SYSTEMS AND METHODS FOR GENERATING MODEL ARCHITECTURES FOR TASK-SPECIFIC MODELS IN ACCELERATED TRANSFER LEARNING

    公开(公告)号:US20240354588A1

    公开(公告)日:2024-10-24

    申请号:US18303525

    申请日:2023-04-19

    CPC classification number: G06N3/096 G06N3/045

    Abstract: A system for generating one or more task-specific machine learning models for use in conjunction with one or more accelerated machine learning models is configurable to (i) identify a selected search space from a plurality of pre-defined search spaces; (ii) determine a set of candidate model architectures from the selected search space utilizing model architecture search; (iii) train a set of task-specific machine learning models based upon the set of candidate model architectures using a set of training data comprising input data comprising at least a set of embeddings generated by one or more accelerated machine learning models and task-specific ground truth output; and (iv) output one or more task-specific machine learning models from the set of task-specific machine learning models based upon an evaluation of performance of each task-specific machine learning model.

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