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All Journal Mechatronics, Electrical Power, and Vehicular Technology Majalah Ilmiah Pengkajian Industri
Dyah Kusuma Dewi
Directorate of Technology for Manufacturing Industry, Agency for Assessment and Application of Technology, Gedung Teknologi 2 Puspitek Serpong, Tangerang
Aerospace Engineering Chemical Engineering, Chemistry & Bioengineering Electrical & Electronics Engineering Engineering Industrial & Manufacturing Engineering Transportation

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TURBINE BLADE REVERSE WITH CATIA SOFTWARE USING BEZIER CURVE Dewi, Dyah Kusuma
Majalah Ilmiah Pengkajian Industri Vol 12, No 1 (2018): Majalah Ilmiah Pengkajian Industri
Publisher : BPPT

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (578.498 KB) | DOI: 10.29122/mipi.v12i1.151

Abstract

Metode reverse engineering salah satunya digunakan untuk menduplikasi komponen-komponen yang akan dikembangkan dan diproduksi di dalam negeri, sehingga dapat mengurangi nilai impor dan mengurangi waktu tunggu pemesanan komponen. Komponen yang sering mengalami kerusakan adalah sudu turbin, baik pada turbin uap maupun turbin gas. Proses reverse engineering dilakukan dengan mengambil foto dari komponen tersebut menggunakan peralatan photo scanning. Hasil dari proses photo scaning tersebut berupa file dengan ekstensi .stl yang merupakan kumpulan point cloud. Selama ini banyak kesulitan yang ditemui dalam pemrosesan dari point cloud menjadi file CAD, terutama untuk komponen yang memerlukan presisi yang tinggi. CATIA merupakan perangkat lunak CAD yang digunakan untuk mengolah file .stl ini menjadi file CAD. Dalam penelitian ini metode pendekatan kurva bezier dipilih untuk teknik pemodelan dari point cloud. Dari pendekatan tersebut deviasi yang ditimbulkan dari hasil permodelan CAD dan  komponen aktual menjadi lebih kecil dan dapat ditingkatkan sesuai dengan toleransi yang diinginkan.
Analytical and Numerical Deflection Study on the Structure of 10 kW Low Speed Permanent Magnet Generator Alam, Hilman Syaeful; Irasari, Pudji; Dewi, Dyah Kusuma
Journal of Mechatronics, Electrical Power and Vehicular Technology Vol 3, No 2 (2012)
Publisher : Research Centre for Electrical Power and Mechatronics, Indonesian Istitutes of Sciences

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (622.23 KB) | DOI: 10.14203/j.mev.2012.v3.87-94

Abstract

Analytical and numerical studies of the deflection in the structure of 10 kW low speed permanent magnet generator (PMG) have been discussed in this paper. This study is intended to prevent failure of the structure when the prototype is made. Numerical analysis was performed with the finite-element method (FEM). Flux density, weight and temperature of the components are the required input parameters. Deflection observed were the movements of the two main rotor components, namely the rim and shaft, where the maximum deflection allowed at the air gap between rotor and stator should be between 10% to 20% of the air gap clearance or 0.1000 mm to 0.2000 mm. Base on the analysis, total deflection of the analytic calculation was 0.0553 mm, and numerical simulation was 0.0314 mm. Both values were in the acceptable level because it was still below the maximum allowed deflection. These results indicate that the structure of a permanent magnet generator (rim and shaft) can be used safely.
TURBINE BLADE REVERSE WITH CATIA SOFTWARE USING BEZIER CURVE Dewi, Dyah Kusuma
Majalah Ilmiah Pengkajian Industri Vol 12, No 1 (2018): Majalah Ilmiah Pengkajian Industri
Publisher : BPPT

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (578.498 KB) | DOI: 10.29122/mipi.v12i1.151

Abstract

Metode reverse engineering salah satunya digunakan untuk menduplikasi komponen-komponen yang akan dikembangkan dan diproduksi di dalam negeri, sehingga dapat mengurangi nilai impor dan mengurangi waktu tunggu pemesanan komponen. Komponen yang sering mengalami kerusakan adalah sudu turbin, baik pada turbin uap maupun turbin gas. Proses reverse engineering dilakukan dengan mengambil foto dari komponen tersebut menggunakan peralatan photo scanning. Hasil dari proses photo scaning tersebut berupa file dengan ekstensi .stl yang merupakan kumpulan point cloud. Selama ini banyak kesulitan yang ditemui dalam pemrosesan dari point cloud menjadi file CAD, terutama untuk komponen yang memerlukan presisi yang tinggi. CATIA merupakan perangkat lunak CAD yang digunakan untuk mengolah file .stl ini menjadi file CAD. Dalam penelitian ini metode pendekatan kurva bezier dipilih untuk teknik pemodelan dari point cloud. Dari pendekatan tersebut deviasi yang ditimbulkan dari hasil permodelan CAD dan  komponen aktual menjadi lebih kecil dan dapat ditingkatkan sesuai dengan toleransi yang diinginkan.
Non-linear model predictive control with single-shooting method for autonomous personal mobility vehicle Pratama, Rakha Rahmadani; Baskoro, Catur Hilman Adritya Haryo Bhakti; Setiawan, Joga Dharma; Dewi, Dyah Kusuma; Paryanto, Paryanto; Ariyanto, Mochammad; Saputra, Roni Permana
Journal of Mechatronics, Electrical Power, and Vehicular Technology Vol 15, No 2 (2024)
Publisher : National Research and Innovation Agency

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55981/j.mev.2024.1105

Abstract

The advancement of autonomous vehicle technology has markedly evolved during the last decades. Reliable vehicle control is one of the essential technologies in this domain. This study aims to develop a proposed method for controlling an autonomous personal mobility vehicle called SEATER (Single-passenger Electric Autonomous Transporter), using Non-linear Model Predictive Control (NMPC). We propose a single-shooting technique to solve the optimal control problem (OCP) via non-linear programming (NLP). The NMPC is applied to a non-holonomic vehicle with a differential drive setup. The vehicle utilizes odometry data as feedback to help guide it to its target position while complying with constraints, such as vehicle constraints and avoiding obstacles. To evaluate the method's performance, we have developed the SEATER model and testing environment in the Gazebo Simulation and implemented the NMPC via the Robot Operating System (ROS) framework. Several simulations have been done in both obstacle-free and obstacle-filled areas. Based on the simulation results, the NMPC approach effectively directed the vehicle to the desired pose while satisfying the set constraints. In addition, the results from this study have also pointed out the reliability and real-time performance of NMPC with a single-shooting method for controlling SEATER in the various tested scenarios.
Co-Authors Baskoro, Catur Hilman Adritya Haryo Bhakti Hilman Syaeful Alam Joga Dharma Setiawan Mochammad Ariyanto Paryanto Pratama, Rakha Rahmadani Pudji Irasari Roni Permana Saputra