Abstract: In this article, a new deep reinforcement learning (RL) method, called asynchronous advantage actor-critic (A3C) method, is developed to solve the optimal control problem of elevator group ...

Abstract: Physical modules are the basic functional units of industrial control systems, governed by Programmable Logic Controllers (PLCs) according to predefined control logic. Attackers can ...

MADRID, Sept. 30, 2025 /PRNewswire/ -- There are more than six million elevators in use in Europe today. In many European countries, more than half of these elevators are at least 25 years old.

The Ann Arbor Fire Department performs an average of 85 elevator rescues every year, but a recent rescue was different. Firefighters rappelled 30 feet down an elevator shaft at C.S. Mott Children’s ...