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The world modelling newswire

What is happening worldwide in digital twins, mathematical modelling and the management of large-scale systems: research, press releases, product news. From the US, China, ASEAN and Africa — translated and summarised.

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128 items

Digital twinUS & West

Streaming Sparse Cholesky for Derivative-Informed Gaussian Process Surrogates in Digital Twins

The paper presents an end-to-end digital twin solution for predicting the state of an aircraft structure. The method extends Gaussian processes to include derivative data for improved accuracy and uses a streaming sparse Cholesky factorization for efficient updating with in-service data. This enables real-time high-fidelity forecasting.

Digital twinUS & West

A Pragmatic Guide to Building Conservative Discrete Abstractions of Cyber-Physical Systems

The tutorial addresses common pitfalls in building discrete abstractions of cyber-physical systems for verification: under-approximating state space, transitions, unsound pruning of degenerate behaviors, and improper specification lifting. It offers a pragmatic workflow that guarantees conservativeness while balancing pessimism and tractability.

Digital twinUS & West

Multisource Human-in-the-Loop Digital Twin Testbed for Connected and Autonomous Vehicles in Mixed Traffic Flow

The MSH-MCCT testbed for CAVs integrates physical, virtual, and mixed platforms with multi-source control inputs. Using the Mixed Digital Twin concept (combining mixed reality and digital twin), it allows human drivers and CAV algorithms to interact in mixed traffic. The approach supports testing in realistic scenarios.

ForecastingUS & West

Information-Aware Model Predictive Control for Satellite Inspection

A MPC framework for autonomous satellite inspection incorporates estimation covariance into the control objective, merging control and state estimation. The covariance evolves via a linear Kalman filter, and the measurement model depends on relative geometry. This optimizes trajectories for informative data collection while satisfying safety constraints.

Digital twinInternational

Weir's Kenneth Ulrich on AI and Digital Twins

In an interview, a representative from Weir discusses the application of AI and digital twins in the mining industry. He talks about how these technologies help optimize processes, improve safety, and efficiency. Few specific details are provided.