A few silly hiccups marred the arrival of 'Mad Men' on HBO Max, including mislabeled episodes and visible crew members in one scene.
Abstract: To improve the starting performance of a permanent-magnet traction machine without a weight transducer in a gearless elevator, an adaptive starting torque compensation strategy is proposed ...
FAA Statement The Federal Aviation Administration issued an Emergency Airworthiness Directive (EAD) for certain Airbus A319 ...
Abstract: High buildings in cities need elevators to transport people in daily life. Therefore, early to detect the occurrence of elevator failures by developing the diagnosis method is significant to ...
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