New digital speed limit signs are already active on some roads, changing the limit depending on numerous factors. Texas introduces variable speed limits using digital signs after a deadly 2021 pileup.
BBB CoreCap reinvents the tire valve. More airflow & durability than Presta. Better compatibility than Schrader. And no extra cap needed!
Abstract: The pump-as-turbine (PaT) system is a cost-effective alternative to harness hydropower from microscale water resources although its best efficiency point (BEP) is difficult to be estimated ...
Abstract: Designing an optimal tracking controller and system observer is a nonlinear problem in the variable-speed wind energy conversion system (WECS). In this paper, an adjusted feedforward and ...
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