2015
DOI: 10.1002/asjc.1086
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Robust Fault Detection Using Subspace Aided Data Driven Design

Abstract: The paper deals with the design of robust fault detection system using subspace aided data driven techniques. Because of unavailability of system matrices for the complex processes, a new algorithm has been proposed to identify a robust parity vector directly from the process data. The identified parity vector is used to construct a residual generator having robustness against the process and sensor noises and increased sensitivity to actuator and sensor faults. The performance of the proposed fault detection … Show more

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Cited by 12 publications
(10 citation statements)
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“…where • † denotes the Moore Penrose pseudo-inverse of the matrix •. ξ/ψis a shorthand for the projection of the row space of matrix ξ∈R p×σ on the row space of matrix ψ∈R q×σ [27] ξ/ψ = def ξ × Π ψ = ξψ T × (ψψ T ) † × ψ (27) Π ψ ⊥ is the geometric operator that projects the row space of a matrix onto the orthogonal complement of the row space of matrix ψ∈R q×σ :…”
Section: Data-driven Residual Generationmentioning
confidence: 99%
See 1 more Smart Citation
“…where • † denotes the Moore Penrose pseudo-inverse of the matrix •. ξ/ψis a shorthand for the projection of the row space of matrix ξ∈R p×σ on the row space of matrix ψ∈R q×σ [27] ξ/ψ = def ξ × Π ψ = ξψ T × (ψψ T ) † × ψ (27) Π ψ ⊥ is the geometric operator that projects the row space of a matrix onto the orthogonal complement of the row space of matrix ψ∈R q×σ :…”
Section: Data-driven Residual Generationmentioning
confidence: 99%
“…ξ / ψ is a shorthand for the projection of the row space of matrix ξ ∈ R p×N on the row space of matrix ψ ∈ R q×N [27]bold-italicξ/bold-italicψ=defbold-italicξ×Πψ=ξψT×false(ψψTfalse)×bold-italicψ Π ψ ⊥ is the geometric operator that projects the row space of a matrix onto the orthogonal complement of the row space of matrix ψ ∈ R q×N :bold-italicξ/ψ=defbold-italicξ×Πψ where Π ψ ⊥ = I N − Π ψ .…”
Section: Robust Fault‐detection Design Of Wind Turbinesmentioning
confidence: 99%
“…in the process industry. The interested reader is referred to Ding et al (2009), Qin (2009), Wang et al (2011), Yin et al (2012a, 2012b), Hussain et al (2016), Jamil et al (2016), Yin et al (2017) and Tariq et al (2019) for some recent developments in this area.…”
Section: Introductionmentioning
confidence: 99%
“…Fault diagnosis techniques deal with the problem of detecting and isolating failures occurring in physical components and in the instrumentation of a system. There are essentially two approaches to fault diagnosis: the model-based [1,2] and the data-based approach [3,4]. Model-based approaches exploit measured inputoutput signals and a mathematical model of the system to derive diagnostic indicators, known as residuals, that are sensitive to faults.…”
Section: Introductionmentioning
confidence: 99%
“…Data-based approaches use residual generators that are derived directly from experimental data using system identification techniques [5]. Data-based approaches are preferable where a physical knowledge of the system is not available or when the system input-output relations are too complex [4,6]. Today, fault diagnosis is a mature research area, the main research directions of which can be categorized as parity-equations, state-observers (or state estimators), parameter estimation, and statistical process control [7].…”
Section: Introductionmentioning
confidence: 99%