ANALISIS KEANDALAN ACTUATOR AUTOMATIC FLIGHT CONTROL SYSTEM AFCS PADA HELIKOPTER SIKORSKY S-76 DENGAN METODE WEIBULL

Dwi Puspita, Aryanti (2020) ANALISIS KEANDALAN ACTUATOR AUTOMATIC FLIGHT CONTROL SYSTEM AFCS PADA HELIKOPTER SIKORSKY S-76 DENGAN METODE WEIBULL. Skripsi thesis, Institut Teknologi Dirgantara Adisutjipto.

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Abstract

The use of helicopters is very useful for Indonesia's natural conditions which is in the form of islands. In order to support the helicopter's capabilities, an AFCS actuator or automatic flight control system actuator is needed to make the flight automatically. Therefore, the author tries to conduct a reliability analysis to determine the level of reliability of the AFCS Actuator component in S-76 helicopter. The method used to conduct the analysis is the Weibull distribution method, which is one of several methods that are often used. The main objective is to determine the level of reliability and characteristics of the failure modes that often occur in these components. By analyzing at the results of calculations and types of failures, it can be seen the types of effective treatments to be applied to the AFCS Actuator component. From calculations, it is known that AFCS actuator had increased failure at the beginning of their use. Based on the β score obtained, it is 0.8099 which means that the β < 1 is categorized as preliminary failure. The b score on the AFCS actuator component is 1.235 in which the probability of failure is 1.2 %, indicates that the component is experiencing bagin failure. Effective treatment policies for applying those AFCS actuators are component modifications.

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