A survey of technical efficiency in crane systems using POET structure
نویسندگان
چکیده
منابع مشابه
assessment of the efficiency of s.p.g.c refineries using network dea
data envelopment analysis (dea) is a powerful tool for measuring relative efficiency of organizational units referred to as decision making units (dmus). in most cases dmus have network structures with internal linking activities. traditional dea models, however, consider dmus as black boxes with no regard to their linking activities and therefore do not provide decision makers with the reasons...
Alignment of Crane Rails Using a Survey Network
Alignment surveys have been carried out by various means and for a variety of applications for decades. Although optical offset and photogrammetric methods are successfully used in many cases, triangulation using theodolites or total stations is preferred for most alignment surveys carried out by surveyors. This paper describes a novel alignment survey which required 300m long crane rails to be...
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ژورنال
عنوان ژورنال: Journal of Physics: Conference Series
سال: 2020
ISSN: 1742-6588,1742-6596
DOI: 10.1088/1742-6596/1577/1/012037