Abstract: Health status assessment and health indicator (HI) construction for coal mine rotary machinery are pivotal in realizing failure prediction and preventive maintenance for such equipment.

The head of Lisbon's municipal transport operator and its entire board resigned Wednesday, two days after an inquiry pointed to a faulty cable in a deadly funicular crash last month. The Barron's news ...

Copyright: © 2024 The Author(s). Published by Elsevier Ltd.

Abstract: In this paper, the stability analysis and estimator design issues are addressed for positive switched time-delay systems with reverse timer. Firstly, based on the reverse-timer-dependent ...

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Large iron gyroid (1.3 x 1.0 cm). Credit: ALCHEMY EPFL CC BY SA EPFL scientists have created a breakthrough 3D printing method that uses hydrogels as templates to produce ultra-dense, durable metals ...