技术注解 Archives

Select link analysis for schemes

Tessa Hayman explains that when appraising schemes, it can be useful to understand how different schemes may interact with each other. This can help you understand any potential synergy between schemes and identify a subset of scenarios to test with fully detailed modelling.

How to get matrix development outputs for UK Department for Transport standards (TAG).

Tessa Hayman explains how you can use the new functionalities in Aimsun Next 23 to create outputs for monitoring changes during matrix development as outlined in the UK’s Transport Appraisal Guidance (TAG).

用Aimsun Next创建可达性地图

高级产品专家Marga Delgado详述了如何运用Aimsun Next中的等时线工具(Isochrones)为不同交通模式并根据不同标准(如距离或出行时间等)创建可达性地图，并且讲解了可达性地图如何协助评估新道路或新公共交通服务的影响。

Using space-time diagrams for calibration

Dimitris Triantafyllos explains how to create speed contour plots in Aimsun Next to show the time, location, and subsequent propagation and dispersal of congestion on the highway.

交通模型中的随机种子

本技术注解将解释Aimsun Next中微观和中观仿真中不同的随机性来源以及如何控制它们。

低排放区：评估它们的环境影响

仿真是支持有效排放政策制定的一个宝贵工具。 Aimsun可以帮助你比较不同措施的有效性并评估相关影响，因此你可以在管理交通的同时，将空气污染控制在法律允许的数值范围内。

Checking Real Data Sets for Consistency

Mohammad Saifuzzaman shows how the Aimsun Real Data Set Checker makes it quicker and easier to create clean datasets and examines some different use cases.

在Aimsun Next中仿真SCATSim

Dimitris Triantafyllos分享如何在Aimsun Next中运行与SCATSim连接的微观或中观仿真，SCATSim是一套用于仿真SCATS自适应交通控制系统的软件模块。

我的模型在大西洋里

“我的模型在大西洋里！”

Tessa Hayman分享如何在Aimsun Next模型中正确设置坐标参考系统。

Automatic model file management

Dimitris Triantafyllos explains how to use the Aimsun Next project folder structure to automatically manage model files.

Side-lane merging in an Aimsun Next mesoscopic model

June 2022: Aimsun Next has a specific mesoscopic merging behavior model that is controlled by the cooperation gap and merging gap parameters. Mohammad Saifuzzaman explains how to use these parameters to control merging behavior and match observed traffic flow and congestion.

Reversible lanes and alternating one-way lanes

May, 2022: In transport networks, the available infrastructure may vary through the day. In this technical note we will review how to close lanes temporarily in one direction so that the other direction can use them

MFC和电池消耗模型

2022年4月：新的微观自由流加速（MFC）和电池消耗模型可以进行更准确的燃料和能源消耗分析。本技术注解将引导你了解模型的细节以及每个参数如何影响车辆行为。

公交路线变更的交通管理行动

2022年3月：Next 22中引入的一个新功能，公交路线变更的交通管理行动。本技术注解将介绍如何实施该行动以及可以使用该行动的方式。

将SCATS交通信号控制数据导入Aimsun Next

2022年2月：SCATS交通控制系统目的是为了优化交通。 Dimitris Triantafyllos解释了SCATS ITS接口如何从SCATS ITS导入数据到Aimsun Next网络中。

Empower the Aimsun Next simulation with Aimsun Advanced Programming Interface (API)

December 2021: The Aimsun Next API is a collection of functions, in Python or C++, that allow users to read information and perform actions during the mesoscopic, microscopic or hybrid mesoscopic-microscopic simulation.