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High-Frequency Digital Twin of SWER Networks for Communication and Sensing
US & West ·
A digital twin of high-frequency characteristics (up to 300 kHz) of an operational Single-Wire Earth Return (SWER) network has been developed. The model integrates a segment-by-segment transmission line model with VNA measurements of physical hardware, providing a more accurate channel representation than uniform assumptions.
Why it matters
Accurate communication channel modeling in power grids is important for smart grid technologies and remote monitoring, enhancing reliability of energy system management.
Channel Modeling of Single Wire Earth Return Networks for Narrowband Power Line Communication and Sensing: A Field-Validated High-Frequency Digital Twin
Growing interest in in-space servicing, manufacturing, and assembly has renewed attention on reliable metal joining for modular construction and on-orbit repair. Robotic welding is promising, but reduced-gravity and low-pressure operation remains poorly characterised and flight-like tests are…
Digital twins (DTs) can generate dense synthetic fingerprints for localization via ray tracing, yet the sim-to-real domain gap limits their direct use, particularly in cell-free millimeter-wave (mmWave) deployments where distributed geometries and blockage-induced sparsity widen the mismatch.
Catheter obstruction is the commonest cause of shunt failure; freehand insertion at Keen's point leaves the tip free in cerebrospinal fluid in only one case in ten. We built a digital twin that reconstructs skull, scalp, ear and ventricles from preoperative CT by deterministic geometry, searches…
