Abstract: Simulating the movements of passengers on service systems has always been an interesting business problem. Unlike manufacturing systems, where processes and the movement of personnel follow ...

Q: I’m getting back into model railroading after a 50 year hiatus. I’m having trouble with knuckle couplers that won’t ...

Abstract: We consider a large-scale multi-robot path planning problem in a cluttered environment. Our approach achieves real-time replanning by dividing the workspace into cells and utilizing a ...

Ukrainian president Volodymyr Zelensky has said that Russia is planning a “large-scale attack” in the coming days, and called on the population to remain “extremely vigilant”. “In the coming days, we ...

Many of us dream of a model railroad empire on a massive scale. While the time, space and resources required usually dictate whether or not that dream becomes a reality, it never hurts to be inspired.