scholarly journals Evaluation of Reliability and Availability Characteristics of 2-out of -3 Standby System under a Perfect Repair Condition

2012 ◽  
Vol 2 (5) ◽  
pp. 114-119 ◽  
Author(s):  
Ibrahim Yusuf ◽  
Nafiu Hussaini
Keyword(s):  
Standby System ◽  
Reliability And Availability

scholarly journals Contribution to ECDIS Reliability using Markov Model

2014 ◽  
Vol 3 (2) ◽  
pp. 149-157 ◽  
Author(s):  
Dean Sumić ◽  
Dragan Peraković ◽  
Marinko Jurčević
Keyword(s):  
Information System ◽  
Markov Model ◽  
Simulation Model ◽  
System Reliability ◽  
Design Concept ◽  
Cold Standby ◽  
Electronic Chart ◽  
Standby System ◽  
Reliability And Availability ◽  
Bridge System

An Integrated Bridge System (IBS) contains a fully duplicated Electronic Chart Display and Information System (ECDIS). Although duplication should increase system reliability, reliability and availability are not improved. Proper ECDIS maintenance includes updating both: the information system and the provided chart system. This procedure, in practice, tends to decrease reliability and availability. A Markov ECDIS simulation model is given. A new design concept is presented and proposed. The entire ECDIS system is improved by adding a cold standby system preventing the occurrence of errors due to updating and upgrading of the system device.

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