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Irza Sukmana
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Jalan Nunyai Indah Block C no. 6A, Rajabasa, Bandar Lampung 35143, Indonesia
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Journal of Applied Science, Engineering and Technology (J. ASET)
Published by INSTEP Publishing
ISSN : 27228371     EISSN : 27228363     DOI : https://doi.org/10.47355/aset
Core Subject : Engineering,
Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Control & Systems Engineering Electrical & Electronics Engineering Industrial & Manufacturing Engineering
J.ASET is published by INSTEP Publishing Indonesia and it focuses on all subjects in engineering, applied sciences, and vocational studies, they are including but not limited to: Mechanical and Manufacturing Industrial Engineering Chemical and Environmental Engineering Computer and Information Technology Electrical and Telecommunication Material and Mining Civil Engineering Architecture and Urban Planning Geophysics and Geodetic Engineering Vocational Engineering Studies Mathematics and Applied Sciences Medical Science and Biomedical Engineering Agricultural Engineering and Technology Interdisciplinary research
Arjuna Subject : Teknik (semua kategori) - Teknik Mesin
Articles 5 Documents
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Search results for , issue "Vol. 2 No. 2 (2022): December 2022" : 5 Documents clear
APPLICATION OF FAILURE MODE AND EFFECT ANALYSIS (FMEA) AND ISHIKAWA DIAGRAM IN DETERMINING THE DAMAGE ASPECTS AND MAINTENANCE PLAN OF SCREW FEEDER OF STEAM POWER PLANT COMPANY Riszal, Ahmad; Yohanes, Eko; Risano, A Yudi Eka; Ibrahim, Fauzi; Supriadi, Harnowo; Zulhanif
Journal of Applied Science, Engineering and Technology Vol. 2 No. 2 (2022): December 2022
Publisher : INSTEP Network

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Abstract

Screw feeder is a type of material transporter that is widely used in various industrial sectors, where its function is very helpful in facilitating work, such as transporting very large amounts of material and this screw feeder has the advantage of long or sustainable tool operation. In industry, damage often occurs erratically and must undergo component replacement that is not in accordance with the routine maintenance schedule. In designing this maintenance machine, Ishikawa diagrams are used to analyze the causes and effects of component damage to the screw coal feeder, while to analyze other damage parameters and scheduling maintenance and planned component replacements, the Failure Mode and Effect Analysis (FMEA) method can be used. The results of this study indicate that the cause of the damage consists of several factors including humans, machines, materials, and methods. The actions that must be taken on the components include checking for wear and lubrication so that these components are always in good use. Based on the results of the calculation of the reliability of the screw coal feeder machine, the reliability of the screw feeder leaf component is 95.3% and the screw feeder casing component is 94.6%. This can also be seen from the mean time between failure (MBTF) for the leaf screw feeder component of 116.66 hours and the MBTF for the casing screw feeder component of 142.85 hours. With the application of the Ishikawa diagram and FMEA on the screw coal feeder maintenance system at steam power plant company (PLTU) PT XYZ in Indonesia. The maintenance implementation aims for a better planned. The actions that must be taken on the components include checking for wear and lubrication so that these components are always in good use. Based on the results of the calculation of the reliability of the screw coal feeder machine, the reliability of the screw feeder leaf component is 95.3% and the screw feeder casing component is 94.6%. This can also be seen from the mean time between failure (MBTF) for the leaf screw feeder component of 116.66 hours and the MBTF for the casing screw feeder component of 142.85 hours. With the application of the Ishikawa diagram and FMEA on the screw coal feeder maintenance system at PLTU PT XYZ, the maintenance implementation becomes better planned. The actions that must be taken on the components include checking for wear and lubrication so that these components are always in good use. Based on the results of the calculation of the reliability of the screw coal feeder machine, the reliability of the screw feeder leaf component is 95.3% and the screw feeder casing component is 94.6%. This can also be seen from the mean time between failure (MBTF) for the leaf screw feeder component of 116.66 hours and the MBTF for the casing screw feeder component of 142.85 hours. With the application of the Ishikawa diagram and FMEA on the screw coal feeder maintenance system at PT XYZ, the maintenance implementation becomes better planned. the reliability of the screw feeder leaf component is 95.3% and the screw feeder casing component is 94.6%. This can also be seen from the mean time between failure (MBTF) for the leaf screw feeder component of 116.66 hours and the MBTF for the casing screw feeder component of 142.85 hours. With the application of the Ishikawa diagram and FMEA on the screw coal feeder maintenance system at PT XYZ, the maintenance implementation becomes better planned. the reliability of the screw feeder leaf component is 95.3% and the screw feeder casing component is 94.6%. This can also be seen from the mean time between failure (MBTF) for the leaf screw feeder component of 116.66 hours and the MBTF for the casing screw feeder component of 142.85 hours. With the application of the Ishikawa diagram and FMEA on the screw coal feeder maintenance system at PT XYZ, the maintenance implementation becomes better planned.
Bridge Structure Study on the Dome of the Boarding School’s Mosque at Pringsewu District in Bandar Lampung Wijaya, Angga; Kurniawan, Panji; Nafrizal; Risano, A Yudi Eka
Journal of Applied Science, Engineering and Technology Vol. 2 No. 2 (2022): December 2022
Publisher : INSTEP Network

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Abstract

Islamic architecture as a foundation in building Muslim worship facilities in the form of mosques has developed its meaning along with advances in science and technology. One of the concepts in designing a mosque is to ensure that the congregation can close the rows of rows. Based on the verses of the Qur'an regarding the priority of rows in congregational prayers, effort (rashshus shufūf) in congregational prayers is something that is ordered in the Qur'an and hadith.It thenmanifested in the Islamic architectural design of the Klangenan Insan Mulia Boarding School Mosque in the form of providing a center column so that the prayer halls are not interrupted due to the presence of middle columns. As a consequence of the design, the structure of the mosque required several adjustments which were well planned and efficient. This research was conducted using a qualitative method with descriptive analysis supported by modeling simulation and load strength analysis using ETAB V. 16 software, so that the results obtained in the form of structural calculations for steel rafter roof construction using the bridge structure model. The steel rafter roof construction with the bridge structure model was chosen due to several factors including: strength, practicality, and design flexibility.
A Implementation of the Support Vector Machine Algorithm in the Student Thesis Subject Classification System at the University of Lampung Hadi, Rizky
Journal of Applied Science, Engineering and Technology Vol. 2 No. 2 (2022): December 2022
Publisher : INSTEP Network

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Abstract

The Technical Implementation Unit (UPT) of the University of Lampung Library is responsible for archiving student scientific work (thesis). Filing is done manually, using the DDC or Dewey Decimal Classification system, thus allowing for the tendency of inaccurate Subject selection and long grouping durations. This study aims to apply the Support Vector Machine (SVM) algorithm in classifying thesis subjects stored in the Unila student scientific article repository. The application of the SVM algorithm uses the machine learning life cycle method which includes the data collection process, data pre-processing, data splitting, model training, to the model evaluation process. The data used are Unila student thesis titles totaling 1707 data. The results of this study are a thesis subject classification model based on the title with the SVM model where the accuracy of the training data in the model training process is 0.95, and the evaluation model process with an accuracy rate of 0.65.
STUDY OF XCEPTION MACHINE LEARNING ARCHITECTURE IN WASTE CLASSIFICATION SYSTEM Mulyani, Yessi; Budi Wintoro, Puput; Komarudin, M.; Kurniawan, Rian
Journal of Applied Science, Engineering and Technology Vol. 2 No. 2 (2022): December 2022
Publisher : INSTEP Network

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Abstract

Garbage generated every day can be a problem because some types of waste are difficult to decompose so they can pollute the environment. Waste that can potentially be recycled and has a selling value is inorganic waste, especially cardboard, metal, paper, glass, plastic, rubber and other waste such as product packaging. Various types of waste can be classified using machine learning models. The machine learning model used for classification of waste systems is a model with the Convolutional Neural Network (CNN) method. The selection of the CNN architecture takes into account the required accuracy and computational costs. This study aims to determine the best architecture, optimizer, and learning rate in the waste classification system. The model designed using the Xception architecture with the Adam optimizer and a learning rate of 0.001 has an accuracy of 87.81%.
USABILITY ANALYSIS OF VISUAL NOVEL GAMES USING THE USABILITY TESTING METHOD Kurniawan Adi Perdana
Journal of Applied Science, Engineering and Technology Vol. 2 No. 2 (2022): December 2022
Publisher : INSTEP Network

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Abstract

Visual novel games are interactive fiction games featuring static images. Visual novel games focus on the story of one of the visual novel games that game lovers often play, namely the game The Sun Shine Over Us. This game tells about mental health among teenagers. The purpose of this research is to analyze the “The Sun Shine Over Us” game based on several criteria and the satisfaction of using the application by users. This study uses the system usability scale method to determine the level of satisfaction of this visual novel game player. The data used are players who have played and have never played a visual novel game totaling 17 people with the age category of 17-28 years. Based on the reviews from players who have played visual novel games, the results of this study can be concluded that the visual game "The Sun Shine Over Us" is interesting to play in terms of appearance, monetization and UI assessment.

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