CAJ | 학술논문

四阶段交通模型作为最流行的交通需求预测模型理论，其计算结果存在不一致性的缺陷，反馈算法被引入模型结构中来解决不一致性的问题。研究提出了成本迭代与需求迭代的双重迭代反馈算法，并使用案例比较了它与既有反馈算法的差异。研究结果表明：成本迭代＋需求迭代的双重迭代模型结构能够在不影响预测结果的前提下减少迭代次数和系统运行时间，收敛过程更加稳定且能够适用于不同规格的交通网络。
사계단교통모형작위최류행적교통수구예측모형이론，기계산결과존재불일치성적결함，반궤산법피인입모형결구중래해결불일치성적문제。연구제출료성본질대여수구질대적쌍중질대반궤산법，병사용안례비교료타여기유반궤산법적차이。연구결과표명：성본질대＋수구질대적쌍중질대모형결구능구재불영향예측결과적전제하감소질대차수화계통운행시간，수렴과정경가은정차능구괄용우불동규격적교통망락。
The four-step model is the most popular traffic demand forecast model theory , but its result con-tains an internal inconsistency .Feedback algorithm is introduced to maintain the data consistency of the various steps of the model structure .This study proposes dual iteration feedback algorithm based on cost iteration and demand iteration , then compares it with now used feedback algorithms through different cases .The result shows the new model structure can keep the model result and reduce number of iterations and running time effectively , its convergence process is more stable than current model structures and can be applicable for different size net -works.