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FAULT TREE ANALYSIS OF ADVANCED VEHICLE CONTROL SYSTEMS.
| 题名： | FAULT TREE ANALYSIS OF ADVANCED VEHICLE CONTROL SYSTEMS. |
| 作者： | Segal-AC; Chan-C-Y; Michael-JB |
| 关键词： | FAULT-TREE-ANALYSIS; AUTOMATED-VEHICLE-CONTROL-SYSTEMS; VEHICLE-CONTROL; AUTOMATED-HIGHWAY-SYSTEMS; HIGHWAY-SAFETY; FAILURE-MODE; MALFUNCTIONS-; MODELS-; LONGITUDINAL-CONTROL; LATERAL-CONTROL; AUTOMATED-CONTROL-SYSTEMS |
| 摘要： | In order to evaluate the safety benefits of automated highway systems (AHS), it is essential to thoroughly examine potential failure modes and malfunctions events. A fault-tree analysis, with consideration given to the critical subsystems and operational parameters, provides a characterization of the safety-critical system components and events. This research is aimed at establishing a structured approach, with the use of fault-tree modeling tools, to evaluate safety issues for AHS operations. In this paper, the authors demonstrate the use of the tools by building a fault tree model for automated vehicle control systems (AVCS), including longitudinal and lateral control. Longitudinal control involves the regulation of vehicle speed, following distance, and obstacle avoidance. Lateral control serves to maintain vehicles in a designated lane or path. The integration of both control systems guides the motion of vehicles over the range of maneuvers. The authors conducted an analysis of the critical variables in AVCS operations, the product of which forms the basis from which to derive system safety requirements for vehicle following operations. Their fault-tree model of AVCS can be extended to incorporate specific system requirements and designs of AHS concepts. |
| 总页数： | Conference Title: Merging the Transportation and Communications Revolutions. Abstracts for ITS America Seventh Annual Meeting and Exposition. Location: Washington, D.C. Sponsored by: ITS America. Held: 19970602-19970605. 1997. pp10 |
| 报告类型： | 科技报告 |
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