SENSOR MODULE AND METHOD FOR MONITORING THE FUNCTI

专利名称：SENSOR MODULE AND METHOD FOR

MONITORING THE FUNCTION THEREOF

发明人：Dieter Baecher,David Muthers,Joerg Franke申请号：US13070090申请日：20110323

公开号：US20110234813A1公开日：20110929

专利附图：

摘要：In a method for monitoring the function of a sensor module, which has a sensor,by means of the sensor a measurement signal for a physical quantity to be determined isgenerated and applied to an output terminal in an unchanged form or in processed form

—after at least one linear signal processing step and/or at least one nonlinear signalprocessing step are performed. In addition, a test signal is generated whose spectrumlies substantially outside the spectrum of the measurement signal. The test signal issupplied at a place in the sensor from which it reaches the output terminal in unchangedform or in processed form—after the performance of the at least one linear signalprocessing step—only in the case of a functional sensor. An output signal present at theoutput terminal is compared with the test signal and a diagnosis signal is generated,which indicates whether the test signal is present at the output terminal. The test signalis filtered out of the output signal and the remaining signal is applied as themeasurement signal at a measurement signal output of the sensor module.

申请人：Dieter Baecher,David Muthers,Joerg Franke

地址：Sexau DE,Freiburg DE,Freiburg DE

国籍：DE,DE,DE

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