President Trump has tightened the U.S. grip on the Americas by rewarding allies and punishing rivals. That has upended the region’s politics. By Jack Nicas The chief executive of a Saudi firm says a ...
Abstract: The estimation of the frictional and clamping forces is one of the key issues in the design and implementation of the electromechanical brake (EMB) system. In this paper, a clamping-force ...
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