Stochastic Filtering Approach for Condition-Based Maintenance Considering Sensor Degradation

Liu, Bin; Van, Phuc Do; Iung, Benoît; Xie, Min

doi:10.1109/tase.2019.2918734

Cited by 63 publications

(28 citation statements)

References 49 publications

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“…We focus on the control limit policy as it is most commonly used in maintenance practice. The control limit policy works in such a way that the system is preventively replaced whenever the inspected degradation level exceeds a preventive replacement threshold [21], [51], [52]. Although both corrective replacement and preventive replacement restore the system to the as-good-as-new state, they differ in nature as corrective replacement is often implemented at an unplanned time and at a more deteriorated state; as a result, additional cost may be incurred for the potential damages caused by failure.…”

Section: Cbm Policy With Monotone Preventive Maintenance Thresholdsmentioning

confidence: 99%

Condition-Based Maintenance Policy for Systems With a Non-Homogeneous Degradation Process

Jia

Liu

et al. 2020

IEEE Access

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This paper investigates a condition-based maintenance policy for systems subject to a nonhomogeneous degradation process. A nonhomogeneous degradation process occurs as a result of deterioration nature and the environmental effect. In the first step, it develops two maintenance models, which consider the constant inspection interval and non-periodic inspection interval. The paper then optimizes a maintenance policy with monotone preventive replacement thresholds. The optimal maintenance decision is shown as a control-limit policy, where the optimal preventive replacement threshold is monotonically decreasing with system age. An illustrative example is presented to show the effectiveness of the proposed maintenance models. The result indicates that preventive replacement can significantly improve the effectiveness of the maintenance policy and sustain system operation. INDEX TERMS Condition-based maintenance, non-homogeneous degradation, control-limit policy, preventive replacement, time-dependent drift.

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Section: Cbm Policy With Monotone Preventive Maintenance Thresholdsmentioning

confidence: 99%

Condition-Based Maintenance Policy for Systems With a Non-Homogeneous Degradation Process

Jia

Liu

et al. 2020

IEEE Access

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“…Interdependent failures are also called "interactive failure" and can be categorized into two types based on the consequences of failure of a component in the system: immediate failure dependence and gradual degradation dependence [18]. Life cycle cost and reliability were analyzed considering interdependent degradation [19,20].…”

Section: Introductionmentioning

confidence: 99%

Protection Mechanism in Reliability Evaluation Approach to Multistate System with Common Cause Failure

2021

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Except the two types of state, complete failure and perfect functioning, some intermediate states also existed between those two states. This characteristic enables multistate system (MSS) whose components are often of more than two states. Moreover, because of dependence between components, common cause failure (CCF) enhances the failure risk of components during the operating period of MSS. A protection mechanism needs to be adopted because of the importance of certain components. For a MSS with CCF and protection mechanism, its reliability can be evaluated by a proposed approach. Certain components not only can cause failure at one state, but also can cause failure to other components because of the CCF. Under the impact of one type of CCF, those components can constitute a specific group that can overlap with certain components. Universal generating function (UGF) is adopted to incorporate the CCF and protection mechanism of a component. Consequently, reliability indices of a MSS can be evaluated by the proposed approach based on UGF. Examples and comparisons illustrate and validate this method. This method can also help engineers prioritize elements that require protection mechanism under various resource limitations.

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“…Safety barriers are necessary to be installed against CAFs to avoid accidents. 37 In the accidental risk assessment methodology for industries (ARAMIS) project report, safety barriers have been considered in risk assessment of domino effect, including identification, frequency assessment, consequence assessment, and risk calculation. 44,45 Similar efforts have also been devoted to introduce safety barriers in cascading control and mitigation in complex networks.…”

Section: Introductionmentioning

confidence: 99%

“…Recently, some approaches like stochastic filtering and fault tree analysis have been proposed to address stochastic dependency issues including degradation dependencies and structural redundancy. 36,37 In addition, CAFs in multistate or network systems are paid more attention. Levitin and Xing have analyzed the performance of discrete multistate systems considering the global and selective effects of CAFs.…”

Section: Introductionmentioning

confidence: 99%

Reliability and barrier assessment of series–parallel systems subject to cascading failures

Xie

Lundteigen

Liu

2020

Proceedings of the Institution of Mechanical Engineers, Part O:

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Cascading failures can occur in many technical systems where the components are organized as in series–parallel structures. The failures in these systems may propagate from one component to the other, not only within the same parallel sub-structure but also between different sub-structures. This article presents a recursive aggregation method based on the extended models of reliability block diagram, for analyzing the impacts of cascading failures on the reliability of series–parallel systems. Based on the reliability analysis, the effects of safety barriers on preventing cascading failures are studied, and the importance of safety barriers at different locations is evaluated. One simple example of three components and one practical case from an oil production system are presented. The findings in these case studies illustrate how system designers and safety managers can identify the effective and reasonable ways of installing safety barriers by using the proposed approaches, for the mitigation of cascading failures in series–parallel technical systems.

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Stochastic Filtering Approach for Condition-Based Maintenance Considering Sensor Degradation

Cited by 63 publications

References 49 publications

Condition-Based Maintenance Policy for Systems With a Non-Homogeneous Degradation Process

Condition-Based Maintenance Policy for Systems With a Non-Homogeneous Degradation Process

Protection Mechanism in Reliability Evaluation Approach to Multistate System with Common Cause Failure

Reliability and barrier assessment of series–parallel systems subject to cascading failures

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