Method and control system for recognizing a fault when...

Details Method and control system for recognizing a fault when... Method and control system for recognizing a fault when...

2006-10-18

2009-10-20

Iqbal, Nadeem (Department: 2114)

Error detection/correction and fault detection/recovery

Data processing system error or fault handling

Reliability and availability

Reexamination Certificate

active

07607050

ABSTRACT:
The invention relates to a method for recognizing a fault when processing input data in a processing system to form a data packet which contains output data and a test data item, the test data item being formed in order to confirm the validity of the output data. The following method steps are executed serially: The output data ascertained on the basis of the input data in line with a first processing method. The test data item is ascertained on the basis of the input data in line with a second processing method, with intermediate output data being ascertained on the basis of the input data in line with a third processing method, and a test data item is determined from the ascertained intermediate output data in line with a fourth processing method, wherein the first processing method and the third processing method implement the same function by different routes. A fault is recognized in the processing system if the validity of the output data cannot be confirmed by the test data item.

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