Using State Diagrams for Modeling Maintenance of Deteriorating Systems

Welte, Thomas Michael

doi:10.1109/tpwrs.2008.2005711

Cited by 59 publications

(35 citation statements)

References 17 publications

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“…Similar results can also be found in many other areas [9][10][11]. In [12,13], the authors point out that the classical maintenance model may be inaccurate compared to the real world especially when the inspection rates are non-periodic, and a new Markov state diagram is proposed to solve the problem, the basic idea of which is to divide the original deterioration process into several sub deterioration processes. Beside the Markov models, there are also other outage models which demonstrate the deterioration and repair process of equipment in different ways, for instance, the Kijima I and II models [14][15][16][17], with much more amount of calculation.…”

Section: Introductionsupporting

confidence: 57%

“…After PM, the equipment will return to working state. Figure 4 shows a simple example of state transition diagram considering the inspection and maintenance in long term [12][13] . Here the meanings of 1 * N?1, k ij , and l are the same as before.…”

Section: Markov-based Equipment Outage Model Considering Corrective Amentioning

confidence: 99%

“…Here the meanings of 1 * N?1, k ij , and l are the same as before. The meanings of other symbols are the same as literature [12,13]. I k and M k means the inspection state and maintenance state respectively.…”

Section: Markov-based Equipment Outage Model Considering Corrective Amentioning

confidence: 99%

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Transient outage model considering corrective and preventive maintenance

Zhang

et al. 2016

J. Mod. Power Syst. Clean Energy

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Traditional outage model for the power equipment usually focus on the behavior of the equipment under random factors, and the availability of the power equipment in system analysis is usually confined to the steady value. However, this model may be inaccurate in the short term analysis, where the transient process of availability has not ended yet. Furthermore, the power equipment in the short term analysis might be influenced by both random factors and deterministic factors, yet the impact of deterministic factors cannot be completely reflected in the traditional outage model. Based on the above issues, a Markov-based transient outage model is proposed in this paper, which describes the deterioration and repair process of an equipment. Both the corrective maintenance and preventive maintenance are concerned in the model. The preventive maintenance in the model is considered as deterministic event, in which the start time and duration are both scheduled. Meanwhile the corrective maintenance and the unexpected failure are modeled as random events. The transient state probability and availability of equipment under preventive maintenance is derived. The effect of deterministic events on the availability of equipment is analyzed on numerical tests. The proposed model can be used in the short-term reliability assessment and maintenance scheduling in actual systems.

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Section: Introductionsupporting

confidence: 57%

Section: Markov-based Equipment Outage Model Considering Corrective Amentioning

confidence: 99%

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Transient outage model considering corrective and preventive maintenance

Zhang

et al. 2016

J. Mod. Power Syst. Clean Energy

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“…The equipment conditions transmit among every condition according to certain probability distribution, and the future conditions cannot be ensured. The literature [14] introduces the application of state diagram in the overhaul model. The state diagram contains the state of degradation, failure and overhaul.…”

Section: Relevant Researchesmentioning

confidence: 99%

Research and Application of Birth-death of Equipment in Overhaul Plan for Distribution Grid

Xu-sheng

2014

SHS Web of Conferences

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Abstract. Overhaul of distribution grid plays a decisive role in the operation and dispatch of power grid. With the increasingly expansion of power grid scale, its structure tends to be complicated as well. The traditional overhaul plan mode is currently not able to meet the development demand of power grid enterprises. Through establishment of construction goal for overhaul plan of distribution grid, this article has designed an optimization system for overhaul plan of distribution grid and introduces relevant functions of the system in detail, for the purpose of settling the problems, namely repeated power failure, low work efficiency and the reasonable distribution of resources including time, manpower, materials, etc., so as to make the arrangement of overhaul plan more scientific, reliable, economic, efficient, reasonable, simple and convenient.

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“…Fraser [10] has presented a approach for finding the length of the test cases generated from the software code. Welte [11] has presented state diagrams approach for the work of maintenance modeling and maintenance strategies. Kulakowski et al [12] have also explained UML state diagrams which are used as a business rules for formulation and visual modeling.…”

Section: Introductionmentioning

confidence: 99%

A Validation Technique for UML Activity Model

Singh¹,

Zaidi²,

Saxena³

2015

IJCA

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In the current scenario of modeling, object-oriented modeling has completely replaced the structured modeling approach. Software industries are slowly-slowly shifting their old structured based softwares into the object-oriented based softwares, for e.g. Foxpro has been changed into the Visual Foxpro. From the literature, it is observed that various researchers are proposing the software models based on the object-oriented technology. It is a big challenge whether the proposed design is correct or reliable for a long time. For solution of this problem, the present work deals with a proposal of Unified Modeling Language (UML) model for a real case study of Mobile Bill Deposit System (MBDS) By the use of UML, class and activity models are designed for static and dynamic representation of the problem. For validation purpose the activity model is validated by the use of Finite State Machine (FSM) technique and results are presented in the form of test cases. When the size of the model becomes complex then presented technique shall help for validation of the complex model.

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Using State Diagrams for Modeling Maintenance of Deteriorating Systems

Cited by 59 publications

References 17 publications

Transient outage model considering corrective and preventive maintenance

Transient outage model considering corrective and preventive maintenance

Research and Application of Birth-death of Equipment in Overhaul Plan for Distribution Grid

A Validation Technique for UML Activity Model

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