Abstract
Security systems are necessary everywhere especially in Banks, houses, offices etc. An RFID, GSM and Keypad Lock System is a multiprotocol device designed, constructed and customized to combine the security feature in RFID, Global System for Mobile communication (GSM) and password for the three components of access control which are identification, authentication, and authorization. The device was a series system (a failure of a unit result into failure of the system), therefore reliability analysis was conducted to reduce the failure rate using Failure Mode and Effects and criticality Analysis (FMECA). The aim of this paper is to present the reliability analysis of this security system. Each component/unit will be analyzed, depending on the degree; numbers were allotted for severity, occurrence and detection, and subsequently, the risk priority number (RPN) will be obtained for each unit and subsequently for the system before and after an action to increase its reliability. With the reliability measures, The result obtain shows that the severance of the system reduces by ~16.4, occurrence by 50% and detection by ~11%. The RPN also reduces by ~ 68%.
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