Development of dual control theoretic active safety technology

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The aim of this research is to propose and develop an active safety system of a dual control type for preventing lane departure incidents and accidents. The developed system has the following features:If the driver initiates his/her steering control immediately after the system’s steering control of the first stage, the system determines that the driver’s situation awareness is maintained at an appropriate level and it does not intervene into the driver’s control.The steering control of the first stage has two purposes; (a) to judge whether the driver’s situation awareness is appropriate or not, and (b) to prevent the host vehiclefrom departing from the current lane. Thus the steering control has dual control theoretic characteristics. This study has developed a method to implement such a dual control theoretic active safety technology for lane departure prevention.