2022
DOI: 10.3390/rs14194758
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A Novel Slow-Growing Gross Error Detection Method for GNSS/Accelerometer Integrated Deformation Monitoring Based on State Domain Consistency Theory

Abstract: The accuracy and integrity of structural deformation monitoring can be improved by the GNSS/accelerometer integrated system, and gross error detection is the key to further improving the reliability of GNSS/accelerometer monitoring. Traditional gross error detection methods assume that real-state information is known, and they need to establish state iterators, which leads to low computational efficiency. Meanwhile, in multi-sensor fusion, if the sampling rates are different, the change in the dimension of the… Show more

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Cited by 5 publications
(4 citation statements)
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“…These types of errors occur frequently when using a GPS. They are known in the related literature as slowly growing errors (SGE), see e.g., [4,7,8,5,18,14]. This is illustrated on Figure 2.…”
Section: Incipient Fault (Ramp Error)mentioning
confidence: 98%
See 1 more Smart Citation
“…These types of errors occur frequently when using a GPS. They are known in the related literature as slowly growing errors (SGE), see e.g., [4,7,8,5,18,14]. This is illustrated on Figure 2.…”
Section: Incipient Fault (Ramp Error)mentioning
confidence: 98%
“…These types of faults are more difficult to detect than outliers because they do not correspond to an abrupt change in the signal. Additive ramps on the outputs or "slowlygrowing errors" are a typical failure of the Gobal Positioning System (GPS), see [7,8,4,5], with recent further developments in [18,14], and arise also in process control [10].…”
Section: Introductionmentioning
confidence: 99%
“…The feasibility of this method was assessed through simulation experiments and the analysis of the measured data of Wilford Bridge in England [28]. At the same time, the world's first highly integrated GNSS/accelerometer receiver for bridge monitoring has been developed and used for monitoring the FRB in Scotland [29].…”
Section: Structural Health Monitoring Of Bridgesmentioning
confidence: 99%
“…The caveat is that outliers may be caused by real structural damages or simply due to sensor anomaly. Su et al (2022) proposed a state-domain robust autonomous integrity monitoring algorithm based on extrapolation to identify slow-growing gross errors of GNSS/accelerometers in a BSHM system [29]. Whereas this method can detect gross errors, it cannot be used to eliminate gross errors.…”
Section: Outlier Detectionmentioning
confidence: 99%