Journal of Korean Society of Transportation (대한교통학회지)

Korean Society of Transportation (대한교통학회)
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A Study on Data Preprocessing for the Activity-Travel Simulator: A Case of FEATHERS Seoul

활동기반 시뮬레이터 입력 자료의 전처리 방안에 대한 연구: FEATHERS Seoul을 사례로

  • Received : 2014.07.23
  • Accepted : 2014.10.14
  • Published : 2014.10.31
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Abstract

Research on activity-based travel demand forecasting and activity-travel simulator has received an international attention for the last two decades. Ways to develop the activity-based simulator may be manifold. It is obvious that importing an existing simulator that has been proven internationally likely reduces the development cost and the risk of failure. By definition of the activity-based approach, however, the details of an activity-based simulator inevitably relies on particular social, economic and cultural characteristics of the society where the simulator is developed. When importing such a simulator from overseas, the researcher should be aware of the importance of tuning the system for the society to which the imported system is applied. There are many potential works on this, including for example the tuning of data structure that is likely different form of the original system. The authors are yet aware of certain research on those. The current paper aims to report the result of transforming the input data for applying the existing activity-travel simulator to Seoul. The paper first introduces FEATHERS that was developed in Belgium having Albatross which is the core of system. FEATHERS Seoul that is under development and modified version of the original FEATHERS is briefly described and the related problems are discussed. The paper then explored to resolve and to alleviate such problems.

교통수요 예측을 위한 활동기반 이론과 그 실행을 위한 시뮬레이터에 대한 연구가 국내외적으로 활발하다. 활동기반 시뮬레이터의 개발 방법 중 다른 사회 경제 문화적 토대로부터 기 개발된 시뮬레이터를 새로운 연구지역에 전용하는 방법(model transferability)은 개발 비용이 저렴하고, 실패 확률이 적다는 장점이 있다. 하지만 활동기반 교통수요 이론의 정의로부터, 시뮬레이터 구축 자체는 연구지역의 사회 경제 문화적 특성에 특화되어 있으므로 먼저 시뮬레이터의 자료구조와 구성요소에 대한 맥락적 이해가 선행되어야 한다. 이 같은 중요성에도 불구하고 활동기반 시뮬레이터의 공간적 전용 시 발생하는 문제들에 대한 관련 연구는 아직까지 보고된 바 없다. 이 논문은 ALBATROSS 스케쥴 엔진을 핵심으로 하는 FEATHERS 활동-통행 시뮬레이터를 한국의 수도권에 적용하기 위해 필요한 입력 자료의 전처리 과정에 대한 연구 결과를 자료구조와 구성요소를 중심으로 보고한다. 이를 위해, FEATHERS 시스템과 입력 자료를 간략히 소개하고, FEATHERS Seoul 플랫폼의 개발 시 발생하는 문제를 조사하고, 그 해결책과 적용 결과를 제시한다.

Keywords

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