碩士 / 國立成功大學 / 交通管理學系 / 87 / Kaohsiung Harbour, as the biggest port in Taiwan, is now placed third in the world. The number of inbound and outbound vessels has grown up to 35.4% from 1993 to 1998. Vessels in port include container ships, bulk carriers, general cargo ships, and liquid ships. Each owns different cha-racters in approaching time, working time, and ship-tons. Moreover, pi-lots, channels, and tugboats are the necessary facilities to all ships. We can see that with the increasing number of arriving ships, there won’t be enough facilities, especially during peak period. This increases inbound and outbound time of a ship. In order to lessen the impact, in this study we focus on pilots and tugboats and try to seek for the optimal parameter allocation.
This thesis first review related literature and understand how vessels sail in and out Kaohsiung Harbour and the present principles pilots or tugboat follow. After that, we find the optimal faci-lities allocation and are concluded as follows:
1. Most of the arriving ships will dock at rented berths, and others will
use public or specialized ones. Among different ship types, container
ships are the most at rented berth and bulk carriers and general cargo
ships at public berth. Their arriving time interval will follow an nega-
tive exponential distribution.
2. As for the performance indexes, ships using rented or specialized
berths must wait for a longer time outside the harbour than those using
public ones. As for the public berth, the using rate of general cargo,
bulks and liquid cargo berths are higher than that of container berths.
As for the facilities, the using rate of tugboats with 2,400 hp and that
with 1,800 hp are the highest. Following those are pilots and tugboats
with 3,200 hp.
3. On the optimal parameter distribution, we discuss two cases and find
the optimal allocation to improve ships’ waiting time inside and out-
side Kaohsiung Harbour as follows:
Case 1. Re-allocate the resource and no new resource is added: 6 tub-
boats with 3200 hp, 7 tugboats with 2,400 hp, 6 tugboats with 1,800
hp and present pilots.
Case 2. Re-allocate the resource and the least new resource is added: 7
tugboats with 3,200 hp, 7 tugboats with 2,400 hp, 1 new tugboats with
1,800 hp is bought and the present pilots.
| Identifer | oai:union.ndltd.org:TW/087NCKU0119022 |
| Date | January 1999 |
| Creators | DAVID WANG, 王大維 |
| Contributors | KUO-LIANG, 丁國樑 |
| Source Sets | National Digital Library of Theses and Dissertations in Taiwan |
| Language | zh-TW |
| Detected Language | English |
| Type | 學位論文 ; thesis |
| Format | 105 |
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