Integrated Individualized Modeling towards Cognitive Control of Human-Machine Systems

本课题的研究目标是整合人的因素与控制，以建立协同人机系统的模型。具体来说，在人车系统中，驾驶员的认知状态和行为可能成为影响系统整体性能的重要因素。本研究旨在研究一种集成驾驶员认知状态和行为以及车辆状态和行为作为输入的驾驶辅助系统（DAS）。驾驶员的认知状态包括情绪状态、精神负荷状态和注意力状态。该方法主要包括三个方面：(1)研究动态人机环境（HME）中驾驶员认知状态和行为的建模方法；(2)将HME模型作为一种反馈控制形式纳入DAS；(3)通过DAS仿真对上述理论进行验证。该研究对人类状态和行为建模以及人机系统的认知控制领域做出了重大贡献。驾驶员辅助系统与交通安全密切相关，这项研究的一个重要成果包括减少汽车事故。这个DAS是一个更通用的人类辅助系统（HAS）的特定测试平台。测试平台的结果可用于对更通用的HAS进行建模，然后将其应用于各种领域的人机系统，如医药、制造和空间应用。这项工作将通过提供教育活动来支持k-12教育，为学生和教师提供经验。研究生和本科生将受益于与课程和高级设计项目的研究整合。这项工作预计将吸引少数民族和代表性不足的群体，特别是妇女。这项工作还将涉及专业协会和国际合作，以广泛传播研究成果。

The research objective of this project is to integrate human factors and control for modeling of collaborative human-machine systems. Specifically, in a driver-vehicle system, the driver's cognitive state and behavior may become significant factors to the overall system performance. This work is to study a driver assistance system (DAS) that integrates the driver's cognitive state and behavior, as well as the vehicle state and behavior, as inputs. Driver's cognitive state includes emotion, mental workload and attention. The approach has three main aspects: (1) investigate a method to model a driver's cognitive state and behavior while controlling a vehicle in a dynamic human-machine environment (HME); (2) incorporate the HME model into a DAS as a form of feedback control; (3) test and validate the above theories through the DAS simulation.The research makes significant contributions to the areas of human state and behavior modeling, as well as cognitive control of human-machine systems. Driver assistance systems have a strong relevance to transportation safety, and one large deliverable from this research includes a reduction in automobile accidents. This DAS is a specific test bed for a more general Human Assistance System (HAS). The test bed results can be used to model a more generic HAS, which can then be applied to human-machine systems in a variety of domains such as medicine, manufacturing, and space applications. This work will provide experience to students and teachers by providing educational activities to support k-12 education. Graduate and undergraduate students will benefit through research integration with curriculums and senior design projects. This work expects to attract minorities and underrepresented groups, especially women. The work will also reach out towards professional societies and international collaboration for a wide dissemination of the research outcome.