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1. 发明公开

EP1870293A1 Capacitive occupant classification system operating method 审中-公开
标题翻译： Kapazitives Insassenklassifikationssystem-Betriebsverfahren
公开(公告)号：EP1870293A1
公开(公告)日：2007-12-26
申请号：EP06115667.5
申请日：2006-06-19
申请人： IEE INTERNATIONAL ELECTRONICS & ENGINEERING S.A.
发明人： Hirsche, Torsten , Gales, Marc , Wendt, Christoph , Schleeh, Thomas , Scheckenbach, Ingrid
IPC分类号： B60R21/015
CPC分类号： B60R21/01532 , B60R21/0152
摘要： The method concerns operating a capacitive occupant classification system that comprises a sensing electrode and a shielding electrode arranged in a vehicle seat. The method comprises a measurement routine for classifying an occupancy state of the vehicle seat and a system check routine. In particular, the system check routine includes applying a first DC voltage difference between the sensing electrode and the shielding electrode and determining a leakage current caused by this first voltage difference between the sensing and shielding electrodes. Applying of the first voltage difference is terminated as soon as the testing indicates that the determined leakage current is not comprised in the predefined range of acceptable values, e.g. if the leakage current exceeds a certain reference value that indicates the highest tolerable leakage current.
摘要翻译：该方法涉及操作电容式乘员分类系统，其包括布置在车辆座椅中的感测电极和屏蔽电极。该方法包括用于对车辆座椅的占用状态进行分类的测量程序和系统检查程序。特别地，系统检查程序包括在检测电极和屏蔽电极之间施加第一DC电压差，并确定由感测屏蔽电极和第一电压差之间的该第一电压差引起的漏电流。一旦测试指示所确定的泄漏电流不包括在可接受值的预定范围内，则应用第一电压差终止。如果泄漏电流超过指定最高可容忍漏电流的特定参考值。

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