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Compensation of batch variation in the travel due to variations in the layer thickness or number of layers in multi-layer piezoelectric elements
Compensation of batch variation in the travel due to variations in the layer thickness or number of layers in multi-layer piezoelectric elements
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机译:补偿由于多层压电元件中的层厚或层数变化而引起的行程批量变化
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摘要
The invention describes a method and an apparatus for charging a piezoelectric element, for example, used as an actuator in a fuel injection system of an internal combustion engine. The method and apparatus are characterized in that the piezoelectric element is activated by an activation voltage having a value set as a function of manufacturing characteristics of the particular piezoelectric element and based upon, for example, a correction value for injected fuel volume.
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