Availability, MTBF and MTTR for Repairable M out of N System

Kullstam, P.

doi:10.1109/tr.1981.5221134

Cited by 49 publications

(8 citation statements)

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“…The reliability of incomplete k-out-of-n:G systems is analyzed by Behr [5] and formulas for computing the reliability is given by the author. Kullstam [37] have given availability, MTBF and MTTR of repairable m -out-of-n system. Xiaohu Li et al [78] analyzed the reliability of a repairable k-out-of-n system with some components being suspended when the system is down.…”

Section: K-out-of-n System With Different Types Of Componentsmentioning

confidence: 99%

Reliability Analysis of k-out-of-n: G System: A Short Review

Krishnan¹

2020

IJEAS

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Section: K-out-of-n System With Different Types Of Componentsmentioning

confidence: 99%

Reliability Analysis of k-out-of-n: G System: A Short Review

Krishnan¹

2020

IJEAS

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“…e reliability of the master station system can be represented by the availability R of the system [36,37]:…”

Section: 22mentioning

confidence: 99%

A WeChat-Based System of Real-Time Monitoring and Alarming for Power Grid Operation Status under Virtual Private Cloud Environment

et al. 2020

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The existing power grid alarm system using SMS (SMSAS) is complex and suffers some problems such as high latency in data transmission, low reliability, and poor economy. For solving these problems, this paper proposes a WeChat-based system under the virtual private cloud environment to achieve real-time monitoring and alarming for the power grid operation status (WMAS). For WMAS, the WeChat mini program (WMP) is adopted, and it has the dedicated data channel using the Https protocol, which is set up in the WMP and the web API to encrypt the data content to ensure the integrity of the data. Combined with virtual private cloud technology, the hardware resources are virtualized, and the proposed system has strong disaster recovery capability, which significantly improves the flexibility and reliability of the system. Compared with SMSAS, our simulation shows that the time from sending to receiving the information in the proposed system is reduced from 4.9 seconds to 172 milliseconds, with the latency reduced by 28 times. On the contrary, the reliability of the proposed system is as high as 99.9971%, and the annual failure time is 15.24 minutes, which is 380 times lower than 96.51 hours of the SMSAS. The proposed system has been implemented in the Lipu power system in Guangxi, China. More than one year of stable operation indicates that the proposed system is safe, reliable, flexible, and convenient with a bright prospect for future applications.

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“…Quality control agent QCA analyzes the reliability of equipment and checks safety issues depending on AD and SB. Kullstam (1981) proposed a few reliability indicators like Algorithm 3: Maintenance tasks sequence optimization input : messagesList, tempMessagesList, aircraftTechniciansList, constraint[], interval. // The index represents the number of scheduled aircraft to be maintained.…”

Section: Service Strategy Agentmentioning

confidence: 99%

The design and simulation of an autonomous system for aircraft maintenance scheduling

Liu

Wang

Zhang

et al. 2019

Computers & Industrial Engineering

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Operational support is a key issue for aircraft maintenance, which aims to improve operational efficiency and reduce operating costs under the premise of ensuring flight safety. Although many works have emerged to achieve this aim, they mostly address the concept of maintenance systems, the relationship between stakeholders and the loop of maintenance information separately. Hence, the cooperation between stakeholders could be impeded especially when urgent decisions should be made, relying on historical data and real-time data. In this

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Availability, MTBF and MTTR for Repairable M out of N System

Cited by 49 publications

References 0 publications

Reliability Analysis of k-out-of-n: G System: A Short Review

Reliability Analysis of k-out-of-n: G System: A Short Review

A WeChat-Based System of Real-Time Monitoring and Alarming for Power Grid Operation Status under Virtual Private Cloud Environment

The design and simulation of an autonomous system for aircraft maintenance scheduling

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