Using OOP Simulation Technique to Create Demand-Tailored Timetables for MRT's Operation

以物件導向模擬技術產生大眾捷連系統營運適應性需求班表

游俊雄(Jinn-Shyong Yu) ； 丁國樑(Kuo-Liang Ting)

《興國學報》 2期 (2003/07) Pp. 1-16

https://doi.org/10.29950/JHKUM.200307.0001

摘要

對於大眾捷運系統而言，每一個車站在整日營運的旅運需求往往是高低起伏不定的，而對於如何整合各車站的需求，以作為系統列車指派依據，往往是一個棘手的問題。如今此一問題在物件導向模擬技術下已經變得相當可行與容易許多，在物件導向程式設計觀念下，每一個旅次在不同車站模擬產生的旅次可以被視為一個物件，並被賦予不同的屬性變數，而這些所有的旅次可以形成系統的需求環境。在本研究中，使用了物件導向程式模擬工具－AweSim以構建一個模擬模式，用以產生大眾捷運系統營運之適應需求班表。此模式可以在下列兩種準則下指派列車：一是列車容量限制，另一則是政策班距限制。如此則此班表可以滿足系統中的起伏性需求。此研究並以木柵線為例，進行了模式的實證測試以驗證模式的有效性。結果顯示，若維持雙對列車營運，則適應需求班表在成本上可以節省17%；若是調整為單雙對列車混合營運，則適應需求班表在成本上可以節省的43.66%。

關鍵字

物件導向程式 ； 模擬 ； 適應性需求班表

並列摘要

The transient demand always occurs at individual station during the entire operating time in mass rapid transits (MRT) system. It is also a tickler to integrate these demands for the dispatch of trains in the system. Now, the problem has been made feasible and relatively easy by the technique of OOP (Object-Oriented Programming) simulation. With the concept of OOP, every trip occurs at every station can be simulated as an object with attributes, and all trip objects can be formed as the system demand environment. In this study, employing the OOP simulation tool-AweSim we constructed a simulation model to create demand-tailored timetables for MRT system. The model can assign trains under two criteria: limitation of capacity and policy headway. Thus the timetable can be made to meet the transient demand in the system. An empirical test was enforced in this study for Muh-Cha line to verify the effectiveness of this model. The results of demand-tailored timetable reveal the cost will be reduced 17% if the train still coupled in 2 pair, or the cost even can be reduced 43.6% if the train operated in mixed fleet (2 pairs or 1pair train).

並列關鍵字

OOP ； Simulation ； Demand-tailored Timetables

參考文獻

Ceder, A.(1984).Bus Frequency Determination Using Passenger Count Data.Transportation Research A.18A,439-453.

Ceder, A.(1985).Computer Application for Determining Bus Headway and Timetables.Transportation Research Record.1011,76-87.

Ceder, A.(1986).Method For Creating Bus Timetables.Transportation Research A.21A(1),59-83.

Hurdle, V. F.(1973).Minimum Cost Schedules For a Public Transportation Route.Transportation Science.7,109-137.

Han, F. H.(1976)。The Study of Scheduling for Passenger Carries。Department of Civil Engineering, National Taiwan University。