Abstract: The transportation of large-scale objects in a narrow space is a challenging, but useful application for mobile robots. We have developed a three-mobile-robot system to cooperatively lift, support, and transport a large ...

Abstract: When adjacent foundation pits are excavated concurrently, the stress and deformation of the soil and structures are affected by their interactions. This paper investigates the performance of two adjacent deep foundation ...

Abstract: For hybrid power system composed of a fuel cell engine and a group of Ni-H batteries, a new control method with a bi-directional power converter is proposed. On the base of analyzing the output characteristic of the fuel ...