ABSTRACT

The state-of-the-art of mobility services among large-scale agent-based travel demand models has focused predominantly on the demand side, whereas complexities of the supply side have been given much less attention. Conventional definitions must be revisited to establish solid foundations for model implementations. First, several mobility services are characterized from abstract attributes, by all agents involved, and by operational tasks involved in service provision. Then, a high-level generic service provision process is developed to allow instantiation of various services. Extensions for conventional travel demand model systems are also developed, including: a mobility services component containing service provider agentsand their operational tasks integrated logically into service provision processes; a fleet component containing vehicle agents of each service and a driver activity model when human-driven; a MaaS component containing mobility provider agents that coordinate and integrate mobility services. Generic modeling issues are also discussed, including treatment of time, data structures, and computational efficiency.

摘要

大规模基于代理的旅行需求模型中最先进的移动服务主要集中在需求方面，而供应方面的复杂性却很少受到关注。必须重新审视传统定义，以便为模型实施奠定坚实的基础。首先，一些移动服务的特征是抽象属性、所有参与的代理以及服务提供中涉及的操作任务。然后，开发了一个高级通用服务提供过程以允许各种服务的实例化。还开发了传统旅行需求模型系统的扩展，包括：包含服务提供商代理的移动服务组件并将其运营任务逻辑整合到服务提供流程中；车队 组件，包含每个服务的车辆代理和人工驾驶时的驾驶员活动模型；一个MaaS组件，包含协调和集成移动服务的移动提供商代理。还讨论了通用建模问题，包括时间处理、数据结构和计算效率。