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Data drifted low

Danish translation: data drev mod for lave/høje værdier

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GLOSSARY ENTRY (DERIVED FROM QUESTION BELOW)

English term or phrase:	Data drifted low
Danish translation:	data drev mod for lave/høje værdier
Entered by:	Andreas S

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18:54 May 17, 2011

English to Danish translations [PRO]
Tech/Engineering - Electronics / Elect Eng

English term or phrase: Data drifted low

Er der nogen, der har et bud på, hvordan ovenstående skal oversættes?
Det indgår i flg. kontekst:

Fuel Pressure Sensor - Before Fuel Filter : Data Drifted Low

Har fundet en forklaring på det her:

The J1939 Subcommittee has defined FMI 20 and FMI 21 as 'Data Drifted High' and 'Data Drifted Low', respectively. These new FMIs (Failure Mode Indicators) complement FMI 2 for ' Data Erratic, Intermittent or Incorrect'. The new FMIs are established to communicate the parameter information is within a defined acceptable and valid range but the real world condition is above/below what would be considered normal when compared to other measurements. This may include sensor drifts, measurements that do not seem possible when compared with other data, measurements that change at a rate that is not considered possible in the real world or whose values themselves do not seem possible in the real world. FMI 2 should be used by applications that do not distinguish the high and low data conditions separately.

Kilde: http://www.scribd.com/doc/19032682/Failure-Mode

Andreas S KudoZ activity Questions: 9 (none open) (1 closed without grading) Answers: 0 Denmark
Local time: 00:09

data drev mod for lave/høje værdier

Explanation:
Eller forenklet: Data drev højt/lavt

Min lidt kluntede sætning er nok dækkende. Der er tale om måleværdier som er korrekte når de står alene, men som ikke passer i sammenhængen.

Man kunne måske forestille sig at din tryk-sensor før brændstoffilteret havde en "bror" efter brændstoffilteret, således at trykket kan måles på begge sider af filteret. Man vil forvente at trykket efter filteret er lavere end trykket før filteret. Hvis målingen viser at trykket er højere efter filteret end før filteret, så er der tale om en fejltilstand, selv om signalerne fra begge sensorer er inden for de tilladte grænser. Man kan så sige at data fra sensor før filteret drev mod for lave værdier.

Jeg er godt klar over, at der kan indvendes noget mod mit lille eksempel, men jeg tror det illustrerer problemstillingen.