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81. 发明授权

US06286365B1 Method for determining segment times between detections of equally spaced markings on a rotating body connected with a camshaft of an internal combustion engine 有权
标题翻译：用于确定与内燃机的凸轮轴连接的旋转体上等间隔的标记的检测之间的段时间的方法
公开(公告)号：US06286365B1
公开(公告)日：2001-09-11
申请号：US09284116
申请日：1999-06-14
申请人： Tobias Lang , Michael Zimmermann
发明人： Tobias Lang , Michael Zimmermann
IPC分类号： G01L326
CPC分类号： H03M1/06 , F02D41/009 , H03M1/143
摘要： The method for determining segment times (Tk) required for controlling an internal combustion engine includes providing a transducer disk (17) connected to a camshaft of the engine with a plurality of markings equally spaced from each other on the transducer disk; measuring respective segment times (Tk) between detection of corresponding pairs of markings on the transducer disk (17) by means of a camshaft sensor (21); triggering fuel injection events and combustion events in order to trip acceleration events at a substantially constant camshaft rotation speed; determining a resulting acceleration quotient (Qk) for a current segment time as a quotient of the current segment time divided by a preceding segment time and correcting a following segment time by means of the acceleration quotient (Qk) for the current segment time. The method is not performed when the internal combustion engine has a crankshaft with a properly working crankshaft sensor for measuring crankshaft rotation speed.
摘要翻译：用于确定控制内燃机所需的段时间（Tk）的方法包括：在换能器盘上提供与发动机的凸轮轴相连的多个标记相互间隔开的换能器盘（17）; 通过凸轮轴传感器（21）在传感器盘（17）上检测相应的标记对之间测量各段时间（Tk）; 触发燃料喷射事件和燃烧事件，以便在基本恒定的凸轮轴转速下跳闸加速事件; 将当前段时间的结果加速度商（Qk）确定为当前段时间除以前一段时间的商，并借助于当前段时间的加速商（Qk）来校正后续段时间。当内燃机具有用于测量曲轴转速的具有适当工作的曲轴传感器的曲轴时，不执行该方法。

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