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Functional Evolution of Automated Highway System for Incremental Deployment
| 题名： | Functional Evolution of Automated Highway System for Incremental Deployment |
| 作者： | Bayouth-M; Koopman-P |
| 关键词： | Automated highway systems; Deployment; Functions (Mathematics); Driving; Infrastructure; Strategic planning; Incremental deployment; Functional models; Vehicle handling; Obstacles; Priorities; Strategies |
| 摘要： | A combination of market forces, cost constraints, and other factors necessitates incremental evolution of a fully automated highway system (AHS) rather than instantaneous deployment. Thus, an understanding of the interdependencies among required AHS functional capabilities is essential for planning. In this paper a set of three AHS functional evolution reference models is proposed that include essential as well as supplemental functions. The reference models include lateral motion handling, longitudinal motion handling, obstacle handling, and selected infrastructure support functions. This family of three models is used to present the needs of baseline autonomous tactical vehicle operation, the benefits of adding inter-vehicle communications, and the benefits of adding infrastructure support. The reference models reveal a critical need for vehicle motion prediction capability and suggest that both communications and infrastructure support are beneficial but not mandatory for achieving an AHS. Furthermore, there appear to be a number of safety and efficiency benefits that can be realized with only partial automation and in some cases no automation. These results could help set priorities and guide strategies for incremental introduction of AHS technology into vehicles and roadways. |
| 总页数： | Transportation Research Record.1998. pp 80-88 (FIGS: 3 Fig. REFS: 7 Ref.) |
| 报告类型： | 科技报告 |
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