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All Journal Electrices : Jurnal Otomasi Kelistrikan dan Energi Terbarukan Jurnal Inkofar
Nuralam
Politeknik Negeri Jakarta
Control & Systems Engineering Electrical & Electronics Engineering Energy

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IMPLEMENTASI FISHBONE DIAGRAM DALAM ANALISIS BREAKDOWN DIVISI MAINTENANCE LISTRIK PADA PRODUKSI BAJA DI PT X Rizdam Firly Muzakki; Nuralam; Sri Lestari Kusumastuti
INKOFAR Vol. 9 No. 1 (2025)
Publisher : Politeknik META Industri Cikarang

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Abstract

Breakdown time is one of the events that must be minimized, even eliminated in every production process in the manufacture sector. PT X as one of the national steel producers also strives to optimize the production process, considering that the capital needed to produce steel is relatively high. Breakdown time needs to be analysed properly to get the right and accurate solution. One of the tools that can be used is fishbone diagram. Based on the data obtained, it is known that the two most dominant obstacles that occurred during the December - May period occurred in the Crop Shear and Flying Shear areas. In the Crop Shear area, it is known that the motor trips due to indications of overspeed, while in the Flying Shear area the motor works abnormally due to indications of a dead oil pump. Maintenance and repair actions are then designed based on the results of the analysis obtained to anticipate the original occurrence in the future through corrective and preventive maintenance.
Analisis Tuning PID untuk Sistem Shaking Table Berbasis Mikrokontroler ESP32 dan LabVIEW Hariyanto Hariyanto; Nuralam; Adil Mustaghfir; Fatih Rizqi Santoso
Electrices Vol 7 No 2 (2025): Volume 7 Nomor 2 Tahun 2025
Publisher : Jurusan Teknik Elektro, Politeknik Negeri Jakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32722/ees.v7i2.7731

Abstract

Penelitian ini bertujuan untuk merancang dan mengimplementasikan sistem kendali PID pada shaking table satu sumbu berbasis mikrokontroler ESP32 dan antarmuka LabVIEW dengan dukungan sensor ADXL345 sebagai pembaca percepatan serta sensor ultrasonik sebagai deteksi deformasi. Identifikasi sistem dilakukan dengan metode system identification menggunakan MATLAB, sehingga diperoleh model fungsi transfer dengan tingkat kecocokan (best fit) sebesar 53,93%. Parameter PID ditentukan melalui metode trial and error dengan kriteria steady-state error (SSE) dan Root Mean Square Error (RMSE). Pengujian dilakukan menggunakan tiga variasi parameter PID, dan hasil terbaik diperoleh pada kombinasi Kc = 8, Ti = 1, Td = 3 yang menghasilkan SSE sebesar 0,000128–0,000057 dan RMSE sebesar 0,047049–0,066629. Hasil ini menunjukkan bahwa sistem mampu mereplikasi respon gempa dengan akurasi dan kestabilan yang baik. Secara keseluruhan, penelitian ini membuktikan bahwa sistem shaking table berbasis ESP32 dan LabVIEW dapat berfungsi sebagai sarana uji eksperimental skala laboratorium untuk bidang teknik sipil dan mitigasi bencana.
Co-Authors Adil Mustaghfir Fatih Rizqi Santoso Hariyanto Hariyanto Rizdam Firly Muzakki Sri Lestari Kusumastuti