Nanda, Koko (2024) Perbandingan Variasi Panjang Kabel Busi Terhadap Performa Motor Bakar 4 Langkah Sohc Menggunakan Fuzzy Logic Tipe Mamdani. Undergraduate thesis, Politeknik Negeri Bengkalis.
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Abstract
In addition to the air-fuel mixture ratio (AFR) and the octane rating entering the combustion chamber, the ignition system also plays a significant role in the performance of a four-stroke internal combustion engine. One of the components of the ignition system is the coil, which functions to increase the voltage received from the battery to a higher voltage. This high voltage is then connected to the spark plug via a cable called the spark plug wire. The resistance in the spark plug wire is directly proportional to its length; the longer the wire, the greater the resistance. To address this, the spark plug wire is shortened to reduce resistance. In this study, a standard Yamaha Mio GT 115 cc motorcycle coil, brand Genuine, with a 20 cm spark plug wire was used. During testing, the spark plug wire length was varied into three lengths: initially at 100% (20 cm/standard), then reduced to 50% (10 cm), and 25% (5 cm). The performance data (torque and power) collected from the gasoline engine was processed using Mamdani-type Fuzzy Logic reasoning, with the output AFR_Simulation. The highest value was obtained from a spark plug wire length of 25% (5 cm), with an input torque of 12.30 and an input power of 5.2 at 3000 rpm, resulting in the highest output, 11 AFR_Simulation. This was also followed by the highest pure Air Fuel Ratio (AFR) of 13.04 and the lowest resistance at the spark plug wire length of 25% (5 cm) at 11.58 Ohms.
| Item Type: | Thesis (Undergraduate) | ||||||||
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| Uncontrolled Keywords: | Spark Plug Wire, Torque, Power, Air-Fuel Ratio (AFR), Fuzzy Logic | ||||||||
| Subjects: | 410 ILMU TEKNIK > 430 ILMU KETEKNIKAN INDUSTRI > 431 Teknik Mesin (dan Ilmu Permesinan Lain) 410 ILMU TEKNIK > 450 TEKNIK ELEKTRO DAN INFORMATIKA > 451 Teknik Elektro 410 ILMU TEKNIK > 450 TEKNIK ELEKTRO DAN INFORMATIKA > 458 Teknik Informatika |
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| Divisions: | Jurusan Teknik Mesin > Sarjana Terapan Teknik Mesin Produksi dan Perawatan > TUGAS AKHIR | ||||||||
| Depositing User: | TMPP TMPP | ||||||||
| Date Deposited: | 12 Aug 2024 09:01 | ||||||||
| Last Modified: | 12 Aug 2024 09:01 | ||||||||
| URI: | http://eprints.polbeng.ac.id/id/eprint/12894 |
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