Rajendra, Ryan Hafiz (2025) Studi Numerik Pengaruh Kecepatan Kendaraan Dengan Variasi SoC Aktivasi Hybrid Dan Kecepatan Putaran ICE Terhadap SoH Baterai PHEV ITS Pada PROFIL HCU Eco. Other thesis, Institut Teknologi Sepuluh Nopember.
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Abstract
Hybrid electric vehicle (HEV) adalah solusi atas tingginya kontribusi emisi green house gasses (GHG) global dari sektor transportasi. Harga baterai yang sangat tinggi pada HEV membuat depresiasi akibat penuaan baterai bernilai signifikan. Pada umumnya, baterai dikategorikan telah mencapai End of Life (EoL) ketika State of Health (SoH) baterai telah turun menjadi 80%. Penelitian ini bertujuan untuk menganalisis pengaruh dari variasi parameter program hybrid control unit (HCU) pada profil ECO terhadap SoH baterai di PHEV ITS. Hal ini dicapai dengan melakukan analisis numerik menggunakan Generic Cycle Life Model pada MATLAB Simulink. Parameter input model adalah data sekunder berupa profil arus dan temperatur baterai yang didapat dari hasil dynotest PHEV ITS. Dynotest dilakukan pada 24 program HCU, yang terdiri dari kombinasi parameter kecepatan kendaraan (10, 20, dan 30 km/jam), State of Charge (SoC) aktivasi hybrid (40% dan 50%), dan kecepatan putaran Internal Combustion Engine (ICE) (7000 RPM dan 7500 RPM) mulai SoC baterai 100% dan berakhir saat SoC baterai 20% atau konsumsi bahan bakar ICE 1,5 liter. Generic Cycle Life Model menghitung pengaruh variasi parameter program HCU terhadap SoH baterai berdasarkan akumulasi faktor stres C-rate/arus, temperatur, dan depth of discharge (DoD). Perhitungan dilakukan dengan menyimulasikan profil arus baterai dari tiap program secara berulang mulai Beginning of Life (BoL) baterai (SoH 100%) hingga EoL baterai (SOH 80%), sehingga menghasilkan masa operasi baterai yang selanjutnya disebut waktu EoL baterai. Waktu EoL baterai yang paling lama (5,93 tahun) didapat pada program P4 dengan kecepatan input 10 km/jam, kecepatan output 10 km/jam, kecepatan putaran ICE 7500 RPM, dan SoC aktivasi hybrid 50%. Biaya operasi (termasuk depresiasi baterai) paling rendah (574,36 Rp/km) didapat pada program P24.
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Hybrid electric vehicles (HEVs) are the solution to the high contribution of global green house gasses (GHG) emissions from the transportation sector. The very high price of batteries in HEVs makes depreciation due to battery aging significant. In general, batteries are categorized as having reached End of Life (EoL) when the State of Health (SoH) of the battery has dropped to 80%. This research aims to analyze the effect of variations in hybrid control unit (HCU) program parameters in the ECO profile on the battery SoH in PHEV ITS. This is achieved by performing numerical analysis using the Generic Cycle Life Model in MATLAB Simulink. The model input parameters are secondary data in the form of battery current and temperature profiles obtained from the PHEV ITS dynotest results. Dynotests were conducted on 24 HCU programs, consisting of a combination of vehicle speed parameters (10, 20, and 30 km/h), hybrid activation State of Charge (SoC) (40% and 50%), and Internal Combustion Engine (ICE) rotation speed (7000 RPM and 7500 RPM) starting at 100% battery SoC and ending at 20% battery SoC or 1.5 liters of ICE fuel consumption. The Generic Cycle Life Model calculates the effect of HCU program parameter variations on battery SoH based on the accumulated stress factors of C-rate/current, temperature, and depth of discharge (DoD). The calculation is done by simulating the battery current profile of each program repeatedly from the Beginning of Life (BoL) of the battery (SoH 100%) to the EoL of the battery (SOH 80%), resulting in the battery operating life which is called the battery EoL time. The longest battery EoL time (5.93 years) was obtained in program P4 with an input speed of 10 km/h, an output speed of 10 km/h, an ICE rotation speed of 7500 RPM, and a hybrid activation SoC of 50%. The lowest operating cost (including battery depreciation) (574.36 Rp/km) was obtained in program P24.
| Item Type: | Thesis (Other) |
|---|---|
| Uncontrolled Keywords: | Kendaraan Hybrid, Penuaan Baterai, State of Health, Battery Aging, Hybrid Electric Vehicle |
| Subjects: | T Technology > TL Motor vehicles. Aeronautics. Astronautics > TL220 Electric vehicles and their batteries, etc. T Technology > TL Motor vehicles. Aeronautics. Astronautics > TL221.5 Hybrid Vehicles. Hybrid cars |
| Divisions: | Faculty of Industrial Technology and Systems Engineering (INDSYS) > Mechanical Engineering > 21201-(S1) Undergraduate Thesis |
| Depositing User: | Ryan Hafiz Rajendra |
| Date Deposited: | 01 Aug 2025 09:09 |
| Last Modified: | 01 Aug 2025 09:09 |
| URI: | http://repository.its.ac.id/id/eprint/125679 |
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