The dream of a real lightsaber has always sounded like a physics joke, not an engineering brief. Yet a retractable plasma ...

Abstract: Design parameters optimization is regarded as an effective way to reduce energy consumption of a machine tool, which are contributed by several subsystems with coupling relationships ...

Abstract: To improve the transmission efficiency of the toroidal worm gear pairs in robotic joints and to enhance the accuracy of the toroidal worm wheel hob in cutting worm wheels, a method is ...