Abstract: FLOWSIM,a fuzzy logic based microscopic simulation model,was used as an example to present the applications of microscopic simulation models on technical studies and impacts assessment of intelligent transport system(ITS).The paper also introduced the main functions,and the methods and results of model calibrations and validations of FLOWSIM to emphases the importance of reality and of simulation results.

Key words: FLOWSIM, Simulation model, ITS, Impacts assessment

摘要： 本文以FLOWSIM模型为例子，主要介绍了微观交通模拟模型在智能交通系统（ITS）的技术研究和影响评估方面的应用。为了文章的系统性，对FLOWSIM模型的主要功能也作了简单介绍，文章还着重强调了模拟结果的真实性和精确性的重要行，并介绍了FLOWSIM模型的微观标定和检验主法及部分结果。

关键词: FLOWSIM, 模拟模型, 智能交通系统, 影响评估