CROSS CHECK STRATEGY FOR SYSTEMATIC ERROR PROTECTION

A method for generating and verifying an output command for using in a power steering system (12) is provided. The method receives, by a module (40) having at least a primary processing path (130) and a secondary processing path (135) that is in parallel with the primary processing path, a set of in...

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Bibliographische Detailangaben
Hauptverfasser: CHANDY, Ashok, MILLSAP, Scott
Format: Patent
Sprache:eng ; fre ; ger
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Zusammenfassung:A method for generating and verifying an output command for using in a power steering system (12) is provided. The method receives, by a module (40) having at least a primary processing path (130) and a secondary processing path (135) that is in parallel with the primary processing path, a set of input signals(105). In the primary processing path, the method generates a primary output command (115) based on the set of input signals and sends the primary output command out of the module. In the secondary processing path, the method generates a first range of command values based on the set of input signals (105), determines whether the primary output command (115) falls within the range of command values, and generates a fault signal (125,470) based on determining that the primary output command does not fall within the first range of command values.