Driven by green port initiatives, container terminal operators have been substituting environmentally and economically inefficient diesel-powered rubber-tyred gantry cranes (RTGs) with new or retrofitted electric ones. Such an investment is closely related to operational activities, the process of retrofitting should be carried out under premise satisfying yard handling requirement. An integer ...

Sea port container terminals play an important role in the national and regional economy. The integrated scheduling of handling equipment has been recently investigated in literature to improve the performance of the container terminals. In this paper, an integrated scheduling of quay cranes and automated guided vehicles is formulated as a mixed integer linear programming model. This model mini...

Habitat loss is one of the key factors underlying the decline of many waterbird species, including Siberian Crane (Grus leucogeranus), a threatened species worldwide. Wetlands are the primary stopover for many waterbirds and restoration of these wetlands involves both hydrological restoration and water resource management. To protect the stopover sites of Siberian Cranes, we collected Siberian ...

among investments in different sections of economy, investment in agriculture is great importance. in addition to increasing production and job opportunities in agriculture, investment in this section will help to increase these in other sections as well, due to back and front relations with other economic activities. due to the fact that investment does not yield rapidly, and it takes some tim...

For antiswing control of underactuated cranes, how to guarantee the converging speed cranes through design is essential but still remains unsolved. In this article, adaptive for gantry with guaranteed transient performance under unmodeled dynamics and external disturbances investigated. To sovle problem, a set filters are proposed make backstepping technique applicable crane systems. Then varia...

The complex, dynamic, and continually changing nature of construction work has been recognized as an important contributor to the high rates of injuries and fatalities in the industry. Cranes are a central component of many construction operations and are associated with a large fraction of construction deaths; in fact, estimates suggest that cranes are involved in up to one-third of all constr...

We present a dynamical modeling of integrated (end-to-end) container terminal operations using finite state machine (FSM) framework where each is represented by discrete-event system (DES) formulation. The hybrid model incorporates the quay cranes (QC), internal trucks (IT), and yard (YC) also selection storage positions in (CY) vessel bays. QC YC are connected IT our models. As opposed to comm...