Nugraha, Rio Novianto Wira (2021) Desain Dan Analisis Statis, Dinamis Velg Pada In Wheel Motor (IWM) 2 Kilowatt Untuk Skuter Listrik Menggunakan Metode Elemen Hingga. Undergraduate thesis, Institut Teknologi Sepuluh Nopember.
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Abstract
Electric scooter pada dasarnya merupakan moda transportasi ramah lingkungan yang dapat dijadikan solusi untuk mengurangi penggunaan bahan bakar minyak. Dengan menggunakan electric scooter, masyarakat sudah berkontribusi dalam mengurangi polusi udara dan menjaga kondisi lingkungan. Dalam pembuatan electric scooter ada hal paling penting yang harus diperhatikan adalah komponen penyusunnya . Velg itu sendiri merupakan tempat di mana motor electric scooter terpasang. Namun desain velg akan sedikit berbeda dibanding velg konvensional khususnya jika skuter tersebut menggunakan penggerak dengan jenis IWM (In-Wheel Motor) yang terkopel dengan velg.
Penelitian ini bertujuan untuk melakukan redesign dari komponen velg dan memilih jenis material yang baik dan mudah didapat. Setelah proses desain velg menggunakan Solidwork selesai dilakukan selanjutnya mensimulasikan pembebanan statis dan dinamis menggunakan metode finite element analysis pada software ANSYS . Pada simulasi pembebanan statis menggunakan analisa static structural dengan pemberian beban maksimal pada velg berupa berat electric scooter dan penumpang kendaraan. Pada simulasi pembebanan dinamis dilakukan analisa modal untuk menentukan frekuensi natural sistem In wheel motor (IWM) kemudian dilakukan analisa harmonic reponse dengan mevariasikan massa unbalans pada velg sebesar 0,05 kg, 0,06 kg, dan 0,07 kg serta pembebanan akibat base excitation dari kontur jalan untuk melihat repon getara berupa defleksi serta stress yang diterima.
Hasil yang didapatkan dari simulasi ini adalah nilai equivalent stress dan total deformasi dari sistem velg in wheel motor 2 killowatt. Nilai yang didapatkan dari simulasi static dengan material Aluminium Alloy 2024 sebesar 8,4 MPa dan 0,02 mm serta untuk material Magnesium Alloy sebesar 8,4 MPa dam 0,03 mm. Untuk simulasi dinamis base eksitasi di kondisi jalan dengan standar International Roughness Index (IRI) tipe 3 didapatkan nilai untuk Aluminium alloy 2024 dan Magnesium Alloy sebesar 10,625 MPa dan 9,67 Mpa. Serta simulasi unbalance mass didapatkan nilai equivalent stress terbesar pada Aluminium alloy 2024 dengan masa 0,07kg sebesar 6,3 MPa. Secara keseluruhan hasil simulasi berada dibawah di bawah yield strength material. Dari hasil tersebut dapat disimpulkan bahwa velg in wheel motor 2 kilowatt aman untuk digunakan.
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Electric scooter is basically an environmentally friendly mode of transportation that can be used as a solution to reduce the use of fuel oil. By using electric scooters, people have contributed to reducing air pollution and maintaining environmental conditions. In making an electric scooter, the most important thing that must be considered is the constituent components. The wheel itself is the place where the electric scooter motor is attached. However, the design of the wheels will be slightly different from conventional wheels, especially if the scooter uses an IWM (driveIn-Wheel Motor)which is coupled to the wheels.
This study aims to redesign the wheel components and choose the type of material that is good and easy to obtain. After the wheel design process using Solidwork is completed, the next step is to simulate static and dynamic loading using themethod finite element analysis in software ANSYS. In the simulation of static loading usinganalysis static structural by giving the maximum load on the wheels in the form of the weight of the electric scooter and vehicle passengers. In the dynamic loading simulation,analysis is carried out modal to determine the natural frequency of the In wheel motor (IWM) system, the analysis is carried harmonic response out by varying the unbalance mass on the wheels by 0.05 kg, 0.06 kg, and 0.07 kg and loading due to base excitation. from the road contour to see the vibration response in the form of deflection and stress received.
The results obtained from this simulation are the value equivalent stress and the total deformation of the in-wheel motor 2 killowatt system. The values obtained from thesimulation static with 2024 Aluminum Alloy material are 8.4 MPa and 0.02 mm and for Magnesium Alloy material are 8.4 MPa and 0.03 mm. For dynamic simulation of base excitation in road conditions with International Roughness Index (IRI) type 3 standards, the values for Aluminum alloy 2024 and Magnesium Alloy are 10,625 MPa and 9,67 MPa. As well as the simulation of unbalance mass, the value is found equivalent stress largest in Aluminum alloy 2024 with a mass of 0.07kg of 6.3 MPa. Overall the simulation results are below the yield strength of the material. From these results it can be concluded that thein-wheel motor wheels are 2 kilowatt safe to use.
| Item Type: | Thesis (Undergraduate) |
|---|---|
| Uncontrolled Keywords: | In Wheel Motor, Massa Unbalance, Frekuensi Natural Harmonic Response, Modal Analysis, Static Structural Analysis. |
| Subjects: | H Social Sciences > HE Transportation and Communications > HE311.I4 Urban transportation T Technology > TA Engineering (General). Civil engineering (General) > TA347 Finite Element Method |
| Divisions: | Faculty of Industrial Technology and Systems Engineering (INDSYS) > Mechanical Engineering > 21201-(S1) Undergraduate Thesis |
| Depositing User: | Rio Novianto Wira Nugraha |
| Date Deposited: | 24 Aug 2021 12:30 |
| Last Modified: | 24 Aug 2021 12:30 |
| URI: | http://repository.its.ac.id/id/eprint/89325 |
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