Download Activities in Navigation: Marine Navigation and Safety of by Adam Weintrit PDF

By Adam Weintrit

Providing high-quality, scholarly examine, addressing improvement, program and implications, within the box of maritime schooling, maritime security administration, maritime coverage sciences, maritime industries, marine setting and effort expertise. Contents contain electronics, astronomy, arithmetic, cartography, command and keep an eye on, psychology, operational examine, chance research, theoretical physics, operation in adversarial environments, instrumentation, ergonomics, monetary making plans and law. Further, logistics, shipping and mobility are addressed n this quantity.
The book offers a discussion board for transportation researchers, engineers, navigators, ergonomists, and policy-makers with an curiosity in maritime researches.
Covering scientific, technological, political, fiscal, cultural and social facets of maritime delivery, transportation and navigation, this booh publishes leading edge, interdisciplinary and multidisciplinary examine on marine navigation topics and is decided to turn into the major overseas scholarly ebook specialising in dialogue and debate on maritime topics. The paintings is mainly involved to put maritime reports in a large overseas and comparative context and  is addressed to scientists and execs which will percentage event, professional wisdom and examine effects, on all facets of navigation and sea transportation.

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Extra resources for Activities in Navigation: Marine Navigation and Safety of Sea Transportation

Example text

Hasegawa (1997) and Im (2004) have proposed risk quantification methods that consider the DCPA (distance to the closest point of approach) and the TCPA (time to the closest point of approach). A risk quantification method that considers factors such as the distance between ships, the rates of change of the ships’ directions, and the approaching speed was developed by Hara (1995). These previous studies have shown that the risk associated with a navigational situation can be determined using a risk quantification method based on reasoning rules derived from fuzzy membership functions.

5 ship’s length for drifton circumstances. Usually time 10-15 minutes is given before moving into working position. This time allows DP operator to asses fully environmental conditions and to ensure that all station keeping arrangements are stable. 5 knots. All operations are documented by filling out pre-entry and pre-approach check lists. Vessel takes working position on lee side of installation whenever it is possible. If vessel is working on weather side of installation both parties should provide written risk assessment covering listed requirements.

Figure 1. The process of a navigator’s decision making in ship navigation # Crossing on starboard (give-way) Crossing on port (stand-on) Ship type Length of ship Relative speed Distance between ships Encounter situations - head to head - crossing (starboard/port) - overtaking Time Day where: h : average of numerical values for jth element of ith item R« : answer value for jth element of ith item (RSi =1-7) ' N : number of respondents 1 : item number of questionnaire (i =1 -8) j : element number of each item The results of the quantification of each element obtained using the questionnaire is shown in table 3.

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