ANALISIS KEANDALAN KOMPONEN BATTERY PADA MEDIUM EV BUS MENGGUNAKAN METODE RELIABILITY BLOCK DIAGRAM DAN FAULT TREE ANALYSIS

*Muhammad Andhika Anargya Tamzil  -  Department of Mechanical Engineering, Universitas Diponegoro, Jl. Prof. Sudarto, SH, Tembalang, Semarang, Indonesia 50275, Indonesia
Gunawan Dwi Haryadi  -  Department of Mechanical Engineering, Universitas Diponegoro, Jl. Prof. Sudarto, SH, Tembalang, Semarang, Indonesia 50275, Indonesia
Yusuf Umardani  -  Department of Mechanical Engineering, Universitas Diponegoro, Jl. Prof. Sudarto, SH, Tembalang, Semarang, Indonesia 50275, Indonesia

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Abstract

Transisi menuju elektrifikasi transportasi publik, khususnya bus listrik, menjadi langkah penting dalam upaya mengurangi emisi gas rumah kaca dan meningkatkan keberlanjutan lingkungan di perkotaan. Penelitian ini menggabungkan tiga metode utama, yaitu Reliability Block Diagram (RBD), Fault Tree Analysis (FTA), dan Risk-Based Inspection (RBI) untuk menganalisis keandalan sistem baterai pada bus listrik medium. RBD digunakan untuk memodelkan keandalan komponen utama dalam Battery Management System (BMS), sementara FTA membantu mengidentifikasi penyebab kegagalan potensial, seperti kecacatan pada baterai. RBI, yang mengutamakan inspeksi berbasis probabilitas kegagalan (PoF), digunakan untuk memprioritaskan komponen yang perlu diperiksa lebih sering. Hasil penelitian menunjukkan bahwa komponen dengan PoF tinggi, seperti fuse dan relay serta sistem pendingin, membutuhkan inspeksi lebih sering untuk mencegah kegagalan kritis. Pendekatan ini membantu mengoptimalkan biaya pemeliharaan, meningkatkan efisiensi operasional, dan mendukung keberlanjutan sistem baterai pada bus listrik.

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Keywords: bus listrik; emisi karbon; fault tree analysis; keandalan; reliability block diagram; risk-based inspection; sistem baterai
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