نتایج جستجو برای: yard crane
تعداد نتایج: 5733 فیلتر نتایج به سال:
In highly competitive shipping market environment, container network operators-Freight forwarders, companies etc. are concerned about design, development and deployment of optimized allocation model to achieve cost savings through improved storage yard operations, crane productivity, outbound allocation/distribution seaport terminals hence reduction in ships’ waiting times. this paper, we devel...
BACKGROUND The International Crane Foundation (ICF) / Endangered Wildlife Trust's (EWT) African Crane Conservation Programme has recorded 26 403 crane sightings in its database from 1978 to 2014. This sightings collection is currently ongoing and records are continuously added to the database by the EWT field staff, ICF/EWT Partnership staff, various partner organizations and private individual...
The paper studied a multi-machine and multi-task warehouse crane scheduling problem. The collision between adjacent cranes needs to be avoided in the scheduling problem. Considering the involved operation requirement and condition, a process simulation model was formulated to evaluate a candidate crane schedule through rehearsing the crane operation process. Based on the process simulation, an ...
Three species of cranes are distributed widely throughout southern Africa, but little is known about how they respond to the changes in land-use that have occurred in this region. This study assessed habitat preference of the two crane species across land-use categories of the self contained small scale commercial farms of 30 to 40 ha per household (A1), large scale commercial agriculture farms...
In order to improve the operating efficiency of mixture storage yard, the problem of multiple yard cranes scheduling (MYCS) must to be solved. The paper develops a multiple yard cranes scheduling MIP model in order to minimize the sum of trucks’ waiting cost and yard cranes’ moving cost. An important feature is that the future has to be taken into account: the interference between two yard cran...
the present study focuses on the formation of various types of yards in mosques and the elements that contribute to the respective process. the significance of the issue lies in that certain scholars have associated the yard in mosques with the concept of garden, and have not taken into account the elements that contribute to the development of mosque yards of various types. the theoretical fin...
A gantry crane at the Savannah River Technology Center was retrofitted with an Input Shaping controller. The controller intercepts the operator’s pendant commands and modifies them in real time so that the crane is moved without residual sway in the suspended load. Mechanical components on the crane were modified to make the crane suitable for the anti-sway algorithm. This paper will describe t...
Many procedures in the development process of crane cabins today are still based on the specific experience of manufacturers and historical guidelines. It is not surprising that they fail to meet the needs of a large proportion of operators. Accordingly, the need for more objective, theoretically justified and consistent models, that will minimize crane operators’ biomechanical and visual probl...
KvYr, E. 1976. Whooping Cranes: The long road back. Nature Canada 5(2):2-8. KvYr, E. 1981a. Clutch size, hatch success, and survival of Whooping Crane chicks, Wood Buffalo National Park, Canada. Pages 126-129 in Crane research around the world (J. C. Lewis and H. Masatomi, Eds.). International Crane Foundation, Baraboo, Wisconsin. KvYr, E. 1981b. Population status, nest fidelity, and breeding h...
As part of the research conducted at The University of Texas at Austin on the implementation of priority systems at container ports, a simulation system was developed. This simulation system, PRIOR, has the unique capability of performing micro-simulations of port operations considering different operational schemes depending on the container's priority. This report focuses on describing the ca...
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