AIAA Infotech@Aerospace 2007 Conference and Exhibit 2007
DOI: 10.2514/6.2007-2849
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Sensor Selection and Optimization for Health Assessment of Aerospace Systems

Abstract: Available electronically at http://gltrs.grc.nasa.gov Level of Review: This material has been technically reviewed by technical management.

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Cited by 16 publications
(14 citation statements)
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“…Other authors, such as Maul et al [6], introduce penalty factors in their sensor valuation methods, which are used to devalue the sensor suite if the number of sensors in the suite exceeds the set amount. Whilst this is a way of preventing sensor suites that have more sensors than desired being selected, it also introduces subjectivity into the methodology, potentially resulting in a different selection of sensors if the sensor selection process is repeated by multiple analysts.…”
Section: Introductionmentioning
confidence: 99%
“…Other authors, such as Maul et al [6], introduce penalty factors in their sensor valuation methods, which are used to devalue the sensor suite if the number of sensors in the suite exceeds the set amount. Whilst this is a way of preventing sensor suites that have more sensors than desired being selected, it also introduces subjectivity into the methodology, potentially resulting in a different selection of sensors if the sensor selection process is repeated by multiple analysts.…”
Section: Introductionmentioning
confidence: 99%
“…A performance metric for aircraft systems was developed by Maul et al, 5 which was demonstrated using a subsystem of a space shuttle main engine. This method considers whether the sensors can detect enough of the failures, whether the sensor selection can discriminate between the component failures in order to be able to diagnose them and whether the sensor selection can account for sensor failures.…”
Section: Introductionmentioning
confidence: 99%
“…The method consists of a sensor coverage index and a diagnosability index. However, like Maul et al, 5 the diagnosability index includes a weighting factor which represents the relative importance of different fault types. This requires the importance of each type of fault to be determined and may introduce some subjectivity into the method.…”
Section: Introductionmentioning
confidence: 99%
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“…Genetic algorithms that have been developed by John Holland [51] are search algorithm based on the mechanics of natural selection and natural genetics. Several researchers have proposed methods to select locations of sensors for structural health monitoring [43], health assessment of aerospace systems [73] or leak detection and calibration [152].…”
Section: Future Workmentioning
confidence: 99%