Pengembangan Mesin Polarity Tester Dengan Sistem Single Cell Dan Kemampuan Pengecekan Plate Lembab Menggunakan Metode Fuzzy Logic

Alrasyid, Fadillah Ridlo (2025) Pengembangan Mesin Polarity Tester Dengan Sistem Single Cell Dan Kemampuan Pengecekan Plate Lembab Menggunakan Metode Fuzzy Logic. Other thesis, Institut Teknologi Sepuluh Nopember.

Text 2040211108-Undergraduate_Thesis.pdf - Accepted Version Restricted to Repository staff only Download (5MB) | Request a copy

Abstract

Pada proses produksi baterai di PT. GS Battery Semarang Plant, pengecekan polaritas dan short circuit merupakan tahapan krusial dalam menjamin kualitas element sebelum lanjut ke tahap perakitan. Mesin Polarity Tester konvensional yang digunakan sebelumnya memiliki keterbatasan, yaitu hanya mampu melakukan pengecekan pada level keseluruhan baterai dan tidak mampu melakukan pengecekan kondisi tiap cell secara individu, serta hanya dapat memverifikasi element dengan kelembapan <1%. Hal ini sering menyebabkan false reject pada baterai yang sebenarnya masih layak, serta memperpanjang waktu produksi akibat perlunya proses tambahan pada aging room. Untuk mengatasi permasalahan tersebut, proyek ini mengembangkan sistem Polarity Slaughter Tester, yaitu alat pengecekan polaritas dan short circuit berbasis battery tester STS Instruments 1657 yang dilengkapi sistem single cell check dan metode fuzzy logic untuk menentukan parameter setting low level trip dan high level trip. Sistem ini mampu memverifikasi element baterai dengan kelembapan hingga 5%, sesuai standar internal perusahaan, serta mengidentifikasi polaritas terbalik dan hubungan pendek pada masing-masing cell secara otomatis. Hasil implementasi menunjukkan bahwa mesin ini dapat bekerja dengan akurat dalam mendeteksi NG cell, baik karena polaritas terbalik, short circuit. Sistem fuzzy berhasil menetapkan parameter optimal, yaitu low level trip pada nilai 660 dan high level trip pada nilai 1042, yang divalidasi melalui metode centroid dan pengujian manual. Selain itu, mesin ini berhasil mengeliminasi kebutuhan proses aging room, sehingga dapat menunjang efisiensi dana, dan menunjang produktivitas karena menghilangkan proses aging room yang kurang lebih menghabiskan 5 jam /29 rak. Dengan demikian, pengembangan Polarity Slaughter Tester tidak hanya meningkatkan kualitas proses pengecekan, tetapi juga berkontribusi langsung terhadap efisiensi proses produksi dan pengurangan false reject dalam sistem kontrol kualitas baterai.
==========================================================================================================================================
In the battery production process at PT. GS Battery Semarang Plant, polarity and short circuit testing are critical stages in ensuring the quality of battery elements before proceeding to the assembly stage. The conventional Polarity Tester previously used had limitations, as it could only perform testing at the full battery level and was unable to check the condition of each cell individually. Moreover, it could only verify elements with moisture content below 1%. This often resulted in false rejects of batteries that were actually acceptable, and extended production time due to the need for additional processing in the aging room. To address these issues, this project developed the Polarity Slaughter Tester, a polarity and short-circuit testing system based on the STS Instruments 1657 battery tester, equipped with a single cell check system and fuzzy logic to determine optimal low level trip and high level trip parameters. This system is capable of verifying battery elements with moisture content up to 5%, in accordance with the company's internal standards, and can automatically identify reversed polarity and short circuits in each individual cell. The implementation results show that the machine operates accurately in detecting NG (Not Good) cells due to reversed polarity or short circuit. The fuzzy system successfully determined the optimal parameters, with a low level trip set at 660 and a high level trip at 1042, validated through the centroid method and manual testing. Furthermore, the machine successfully eliminates the need for the aging room process, thus improving cost efficiency and productivity by removing a process that previously consumed approximately 5 hours per 29 racks. In conclusion, the development of the Polarity Slaughter Tester not only improves the quality of the inspection process but also directly contributes to production efficiency and the reduction of false rejects in the battery quality control system.

Item Type:	Thesis (Other)
Uncontrolled Keywords:	Aging Room, Battery Cell, Fuzzy Logic, PLC, Polarity Tester, Short Circuit, Single Cell Check, STS 1657
Subjects:	Q Science > QA Mathematics > QA39.3 Fuzzy mathematics Q Science > QA Mathematics > QA9.64 Fuzzy logic Q Science > QA Mathematics > QA248_Fuzzy Sets T Technology > TK Electrical engineering. Electronics Nuclear engineering > TK2861 Electric relays. Protective relays--Security measures. T Technology > TK Electrical engineering. Electronics Nuclear engineering > TK2945 Lead-acid batteries. T Technology > TK Electrical engineering. Electronics Nuclear engineering > TK3070 Automatic control
Divisions:	Faculty of Vocational > 36304-Automation Electronic Engineering
Depositing User:	Fadillah Ridlo Alrasyid
Date Deposited:	04 Aug 2025 09:35
Last Modified:	04 Aug 2025 09:35
URI:	http://repository.its.ac.id/id/eprint/125294

Actions (login required)

View Item