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The excitation and vibration triggered by the long-term operation of railway vehicles inevitably result in defective states of catenary support devices. With the massive construction of high-speed ...
The overhead catenary system of high-speed railway, usually supported by viaducts, attracts more direct strikes than the conventional railway. However, there are ten thousands of slender steel rods in ...
Wide-band vibration is abundant in various industrial equipment, but extracting low frequency energy is challenging. Here, we demonstrated a trapezoidal cantilever-structure triboelectric ...
The project, one of TriMet’s most ambitious in a decade, expanded the MAX Red light rail line to 10 additional stations and eliminated long-standing bottlenecks to improve system-wide reliability.
CHESTERTON, Ind. — The start of service on South Shore Line’s new West Lake Corridor, the 9-mile spur between Hammond and Dyer, Ind., has slipped back further, and now is not likely until at least the ...