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1.发明公开
公开(公告)号：EP2456067A2
公开(公告)日：2012-05-23
申请号：EP11009234.3
申请日：2011-11-22
IPC分类号： H02P29/02
CPC分类号： B62D5/0481 , B62D15/021 , B62D15/0235 , H02P29/0241
摘要： A diagnostic system and method for an electric power steering system are provided. The diagnostic system includes a first microprocessor that determines a first relative position value indicating the relative rotational position of the rotatable shaft at the first time based on the signals from first and second position sensors. A second microprocessor determines a second relative position value indicating the relative rotational position of the rotatable shaft at the first time based on the signals from third and fourth position sensors. The first microprocessor determines whether the first relative position value is an acceptable value based on a difference between the first relative position value and the second relative position value.
摘要翻译： 提供了一种用于电动助力转向系统的诊断系统和方法。 诊断系统包括第一微处理器，其基于来自第一和第二位置传感器的信号，确定第一相对位置值，该第一相对位置值指示可旋转轴在第一时间的相对旋转位置。 第二微处理器基于来自第三和第四位置传感器的信号确定第一相对位置值，其指示第一时间处的可旋转轴的相对旋转位置。 第一微处理器基于第一相对位置值和第二相对位置值之间的差异来确定第一相对位置值是否为可接受值。
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2.发明公开System and method for determining an absolute position of a motor shaft in an electric steering system 有权系统和方法，用于确定在电动动力转向电动机轴的绝对位置
公开(公告)号：EP2386465A2
公开(公告)日：2011-11-16
申请号：EP11004000.3
申请日：2011-05-13
IPC分类号： B62D15/02
CPC分类号： B62D15/021 , B62D5/0418 , B62D5/0481 , B62D15/0235
摘要： A system and a method for determining an absolute position of a motor shaft (42) in an electric power steering system (24) during an ignition off state are provided. The system includes a microprocessor (66) that energizes first and second position sensors (60,62) to generate first and second signals, respectively, at a first time, and third and fourth signals, respectively, at a second time. The microprocessor (66) determines a first relative position value based on the first and second signals, and a second relative position value based on the third and fourth signals. The microprocessor (66) determines an amount of relative rotation of the shaft (42) during the ignition off state based on the first and second relative position values, and determines a current absolute position value based on a previously stored absolute position value and the amount of relative rotation of the rotatable shaft (42).
摘要翻译： 一种系统，并且设置在电动助力转向系统（24）的马达轴（42）的在点火关闭状态的绝对位置确定性采矿的方法。 该系统包括一个微处理器（66）做了分别激励第一和第二位置传感器（60,62），以产生第一和第二信号，分别在第一时间，以及第三和第四信号，在第二时间。 微处理器（66）bestimmt基于所述第一和第二信号的第一相对位置值，以及基于所述第三和第四信号的第二位置相对值。 微处理器（66）点火开关基于所述第一和第二相对位置值状态期间在所述轴（42）的相对转动的量bestimmt，和bestimmt基于先前存储的绝对位置值和所述量的当前的绝对位置值 的可旋转基轴（42）的相对旋转。
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3.发明公开System and method for determining an absolute position of a motor shaft in an electric steering system 有权系统和方法，用于确定在电动动力转向电动机轴的绝对位置
公开(公告)号：EP2386465A3
公开(公告)日：2012-10-10
申请号：EP11004000.3
申请日：2011-05-13
CPC分类号： B62D15/021 , B62D5/0418 , B62D5/0481 , B62D15/0235
摘要： A system and a method for determining an absolute position of a motor shaft (42) in an electric power steering system (24) during an ignition off state are provided. The system includes a microprocessor (66) that energizes first and second position sensors (60,62) to generate first and second signals, respectively, at a first time, and third and fourth signals, respectively, at a second time. The microprocessor (66) determines a first relative position value based on the first and second signals, and a second relative position value based on the third and fourth signals. The microprocessor (66) determines an amount of relative rotation of the shaft (42) during the ignition off state based on the first and second relative position values, and determines a current absolute position value based on a previously stored absolute position value and the amount of relative rotation of the rotatable shaft (42).
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