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J-ENSITEC (Journal of Engineering and Sustainable Technology)
Published by Universitas Majalengka
ISSN : 24076007     EISSN : 2477359X     DOI : http://dx.doi.org/10.31949/j-ensitec
Core Subject : Science, Engineering,
Civil Engineering, Building, Construction & Architecture Computer Science & IT Engineering Industrial & Manufacturing Engineering Mechanical Engineering
J-ENSITEC (Journal Of Engineering and Sustainable Technology) terbit 2 (dua) kali dalam setahun. Sejak 2014, J-ENSITEC (Journal Of Engineering and Sustainable Technology) terbit pada bulan Desember dan Mei. Isi jurnal membahas hasil penelitian di bidang Teknik Informatika, Teknik Sipil, Teknik Industri, Teknik Mesin.
Arjuna Subject : Teknik (semua kategori) - Teknik (Lain-Lain)
Articles 132 Documents
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IMPLEMENTASI STOP KONTAK PINTAR PADA LAMPU TAMAN DENGAN MENGGUNAKAN MIKROKONTROLLER WEMOS D1 R1 BERBASIS IOT: Indonesia Sujadi, Harun; Wahyuni, Tantri
J-ENSITEC (Journal of Engineering and Sustainable Technology) Vol. 8 No. 01 (2021): December 2021
Publisher : Universitas Majalengka

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31949/jensitec.v8i01.1908

Abstract

The socket is an electrical installation that functions as a liaison between electric current and electrical equipment, one example is a garden lamp. To be able to turn on, you need a power outlet, but manual sockets are considered less effective due to the development of human habits leaving the house with the lights still on. With current technological developments, namely utilizing internet of things (IoT) technology, a smart socket is made that can be controlled remotely via a smartphone. The smart socket is made using Wemos D1 R1 as the microcontroller and is equipped with a raindrop sensor as a safety where the system will turn off the electricity automatically when the sensor detects water and a notification will appear on the smartphone as if water has been detected, so users don't have to worry about leaving the house. with a state of forgetting not to turn off the garden lights.
DETEKSI KEPITING MOLTING MENGGUNAKAN TEKNIK KLASIFIKASI MACHINE LEARNING: Indonesia rezkiawan , runal; Niswar, Muhammad; Ahmad Ilham, Amil
J-ENSITEC (Journal of Engineering and Sustainable Technology) Vol. 8 No. 01 (2021): December 2021
Publisher : Universitas Majalengka

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31949/jensitec.v8i01.1909

Abstract

Soft crab is an export product where foreign demand is much higher than production. In the production of soft crabs, it is done by keeping the crabs individually in a crab box which is placed in the pond until they molt. Molting is a natural process of molting, i.e. removing the old tough skin for growth purposes. Shortly after molting, the new crab shells are still very soft and will harden again after water absorption occurs. Therefore it is important to monitor molting crabs to help farmers in the cultivation of soft shell crabs. The number of crab datasets is 1060 which consists of 1000 training data and 60 testing data. There are several popular image classification algorithms, namely K-Nearest Neighbors (KNN), Support Vector Machine (SVM), and Random Forest Classifier (RFC). KNN, SVM, and RFC are classification algorithms from Machine Learning. This study aims to compare the performance of the three algorithms so that the performance of the three algorithms is known. Several parameters are used to configure the KNN, SVM, and RFC algorithms. From the results of the trials conducted, KNN has the best performance with 98.33% accuracy, 98.33% precision, 98.38% recall, and 98.38% F1 Score.
STUDI EVALUASI PENGENDALIAN BIAYA (COST CONTROL) DAN JADWAL PELAKSANAAN (SCHEDULING) PADA PROYEK PEMBANGUNAN GEDUNG RAWAT JALAN DAN BASSEMENT RSUD MAJALENGKA MENGGUNAKAN METODE EARNED VALUE DAN SOFTWARE MS. PROJECT : Indonesia Arief Rijaluddin
J-ENSITEC (Journal of Engineering and Sustainable Technology) Vol. 8 No. 01 (2021): December 2021
Publisher : Universitas Majalengka

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31949/jensitec.v8i01.1910

Abstract

Planning and controlling costs and time is part of the overall construction project management. In addition to the assessment in terms of quality, the achievement of a project can also be assessed in terms of cost and time. The costs that have been incurred and the time spent in completing a job must be measured continuously for deviations from the plan. The presence of significant cost and time deviations indicates poor project management. With the existence of project performance indicators in terms of cost and time this allows preventive actions so that project implementation goes according to plan. The concept of "Earned Value" is one of the tools used in project management that integrates cost and time and by using Ms. Projects. Ms. Project is a project management software product and is developed and sold by Microsoft. It is designed to assist a project manager in developing plans, assigning resources and tasks, tracking progress, managing budgets and analyzing workloads. From the results of the evaluation of cost control and project schedules on outpatient and basement building construction projects using the earned value method, it can be concluded that the CV (Cost Variant) in this project results in 0 which means the Zero Number on the Cost Variant indicates that the cost is within the budget, SV (Schedule). Variant ) the value shows a negative number, this means that the completion of the work is delayed, the CPI (Cost Performance Index) is 1, meaning that the expenditure is in accordance with the project budget
PENINGKATAN NILAI KUAT TEKAN DAN PERBAIKAN RETAK-RETAK PADA BETON DENGAN MENGGUNAKAN FIBER KAWAT BENDRAT BENTUK “Z” DENGAN 3 (TIGA) VARIASI CAMPURAN: Indonesia Juanita, Juanita
J-ENSITEC (Journal of Engineering and Sustainable Technology) Vol. 8 No. 01 (2021): December 2021
Publisher : Universitas Majalengka

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31949/jensitec.v8i01.1982

Abstract

Concrete is the main basic material used for the planning and design of widely used structures. This is because concrete has a very high compressive strength value when compared to other materials. However, concrete also has weaknesses, one of which is its brittle nature. Therefore, in this study, the use of Z-shaped bendrat wire will be carried out to increase the value of the compressive strength of concrete while improving the brittle nature of the concrete.In this study, bendrat wire fiber in the form of Z was used with a mixed variation of 0.5%, 0.75% and 1%. The number of test objects made is 12 pieces. The test was carried out when the specimen was 28 days old by using a Compression Testing Machine (CTM). From the results of the study, the average compressive strength value for normal concrete (SN) was 26.46 MPa, for Z-shaped bendrat wire fiber concrete with a mixed variation of 0.5% (SF1) the average compressive strength value was 27.27 MPa, for fiber concrete bendrat wire Z shape with a mixed variation of 0.75% (SF2) the average compressive strength value is 28.03 MPa, and for fiber concrete wire bendrat Z shape with a mixed variation of 1% (SF3) the average compressive strength value is 28.21 MPa. The more Z-shaped bendrat wire fibers added to the concrete mix, the higher the compressive strength value and the smaller the cracks that occur in the concrete.
PERANCANGAN SISTEM APLIKASI DESKTOP PRODUKTIVITAS TIM VALIDASI PADA PERUSAHAAN MARKETING RESEARCH INDONESIA: Indonesia Nur Ardhillah Zuhdi, Aisyah; Sonny, Michael; Fazrie, Mohammad
J-ENSITEC (Journal of Engineering and Sustainable Technology) Vol. 8 No. 01 (2021): December 2021
Publisher : Universitas Majalengka

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31949/jensitec.v8i01.2001

Abstract

Work productivity is the ability of employees to produce compared to the input used, an employee can be said to be productive if he is able to produce services in accordance with the expected time. The purpose of this study is to analyze the system that is running on the Validation Team. The research method used is the waterfall method to describe the running system and the design to be built. The method of analysis that the researcher uses is by conducting direct observations at the company, conducting research on problems, documentation by studying existing documents, and interviews with several parties involved in the Validation Team. Researchers get research results that the productivity management system is beneficial for companies, especially in the Validation Team. As for the benefits of increasing the performance of the Validation Team, the results of the information work produced will be more structured, accurate, and processing time becomes more effective. The conclusion of this research is the implementation of a productivity application system on the Validation Team, providing convenience in the work system, solving problems in recapitulating team work productivity data, and providing convenience in making the final productivity report..
PENERAPAN METODE SINGLE EXPONENTIAL SMOOTHING DALAM PENGEMBANGAN APLIKASI PREDIKSI JUMLAH SISWA BARU: Indonesia nurfitriani, Nurfitriani; Murniati, Wafiah; Ashari, Maulana Ashari; Fadli, Sofiansyah Fadli
J-ENSITEC (Journal of Engineering and Sustainable Technology) Vol. 8 No. 02 (2022): June 2022
Publisher : Universitas Majalengka

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31949/jensitec.v8i02.2058

Abstract

The vocational Forecasting process is an important thing for the Forecasting process to determine new students to obtain data and information on the number of prospective new students who will register. Darussalam Islamic Vocational School does not yet have a Forecasting application so predicting the number of students is still conventional which causes school to be unable to plan for future needs. Therefore the Forecasting applications are needed. The purpose of this study is to produce an application to make it easier for schools to predict the number of new students in the future. This research method uses the Single Exponential Smoothing method, while the development method uses the Waterfall. method. In this study, Testing. will be carried out using a Black-Box involving users, namely the principal and of school study program. The test consists of 4 aspects of Testing, namely the login process, the import process, the process of adding data, the process of Forecasting the number of new students. With the Forecasting application. the number of new students that have been MAD can predict the number of students who will register in the following year based on previous data.
APLIKASI PENILAIAN KINERJA DOSEN MENGGUNAKAN METODE ADDITIVE RATIO ASSESSMENT ( ARAS ): Indonesia khairunnisa, Baiq; Murniati, Wafiah; Hamdi, Saeful; Fadli, Sofiansyah
J-ENSITEC (Journal of Engineering and Sustainable Technology) Vol. 8 No. 02 (2022): June 2022
Publisher : Universitas Majalengka

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31949/jensitec.v8i02.2059

Abstract

STMIK Lombok is one of the Private Universities that regularly conduct assessments of lecturers every semester. This is done in order to motivate lecturers in improving service to students. Although in its implementation, the performance assessment of this lecturer runs smoothly but has not reached optimal because it still uses Microsoft Excel in the calculation process so it takes a long time in the process of calculating values and reporting process. so it still needs improvements, especially in the assessment process using the application. This research aims to build an assessment information system and evaluate the performance of STMIK Lombok lecturers. The ARAS (Additive Ratio Assessment) method is one of the multicryteria decision-making methods based on the concept of combat using a utility degree, namely by comparing the overall index value of each alternatife to the optimal alternative overall index value. This decision support system can provide selected alternative decisions that can later be used as a reference to determine the best Lecturer Performance. The system development method used is Waterfall, PHP as a programming language and uses data flow diagram (DFD) system modeling. The testing process used in this application is the Black Box. The results of this built Application can speed up the process of calculating the performance assessment of lecturers and the reporting process more effectively and efficiently.
MODELING STUDY OF NATURAL AIR CIRCULATION IN HOTEL & RESORT BUILDING: Indonesia Arief Rijaluddin
J-ENSITEC (Journal of Engineering and Sustainable Technology) Vol. 8 No. 02 (2022): June 2022
Publisher : Universitas Majalengka

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31949/jensitec.v8i02.2107

Abstract

The planning and design of a Hotel & Resort should be in accordance with the climate and location of the construction. In Indonesia, especially in areas that have cool air and are far from air pollution and noise pollution, they have a tropical climate, so Tropical Architecture is very suitable for planning and designing Hotels & Resorts, but it is possible to plan and design Hotels & Resorts with other architectural characteristics. Modeling studies can also be called modeling design and information about buildings, which is a field of science that examines development planning, development implementation, and maintaining and repairing if there is damage in a building. Activities from these fields of science are studying design drawings of houses, offices, buildings, and so on. In addition, this field of science does not only study building design, but this field of science will learn how to calculate the cost budget plan which is often referred to as RAB. Air circulation modeling has several sub-specifics, namely Planning Plan, building view, section view, Air Flow Scheme, and air circulation calculation. The building modeling method here uses an application called Autocad and SketchUp, then for the calculation of the natural air circulation using the ACPH (Hourly Air Exchange System) method. . Building 1 has a building area of ​​approximately 1486.7 M2 2 floors, building 2 has a building area of ​​461 M2 1 floor, and the hotel room area has a building area of ​​940.56 M2.
PENINGKATAN NILAI KUAT GESER BETON DENGAN MENGGUNAKAN FIBER LOKAL KAWAT BENDRAT BENTUK “U” DAN “Z” DENGAN 3 VARIASI CAMPURAN: indonesia Juanita, Juanita
J-ENSITEC (Journal of Engineering and Sustainable Technology) Vol. 8 No. 02 (2022): June 2022
Publisher : Universitas Majalengka

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31949/jensitec.v8i02.2460

Abstract

Concrete is the main basic material used for planning and designing building structures and is widely used as a building material. One of the efforts to improve the unfavorable properties of the concrete in this case is to add bendrat wire fiber to the concrete mix. In this study, bendrat wire fibers in the shape of "U" and "Z" were used with variations in the addition of fiber in the concrete mix of 0.5%, 0.75% and 1% of the cement weight. The bendrat wire used has a length of 60 mm and a diameter of 1 mm. The test specimens were made in the form of a double-L beam with dimensions (200 x 150 x 300) mm as many as 21 pieces. Double-L beam testing was carried out at the age of 28 days using a Compression Testing Machine (CTM). From the results of the research, the highest shear strength of concrete was obtained in "U" shape bentrat wire fiber concrete with 1% bendrat wire percentage (BF3) with an average value of 6.00 MPa or an increase in concrete shear strength of 46.33% compared to Normal Concrete (BN). The value of the shear strength of the double-L beam with "U" shape bendrat wire fiber is higher than the value of the double-L shear strength beam with "Z" shape bendrat wire fiber although the difference in the shear strength value is not too significant. The addition of "U" and "Z" bentrat wire fibers can reduce cracks in the concrete.
ANALISIS KEKERINGAN MENGGUNAKAN METODE PALMER DROUGHT SEVERITY INDEX (PDSI) SERTA DAMPAKNYA TERHADAP SISTEM IRIGASI SUBAK PADA DAERAH ALIRAN SUNGAI (DAS) PALUNG LOMBOK : indonesia Syakirin
J-ENSITEC (Journal of Engineering and Sustainable Technology) Vol. 8 No. 02 (2022): June 2022
Publisher : Universitas Majalengka

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31949/jensitec.v8i02.2461

Abstract

Drought is a natural event that is very influential on the availability of water reserves in the soil, both needed for agricultural purposes and human needs. The Irrigation Areas (DI) conducted by the study are Pandanduri-Swangi, Rutus, Terara and Temusik which are located in the Palung River Basin. This Drought Analysis includes Analysis of Rainfall, Regional Rainfall, Evaporation, calculation of the drought of the Palmer Severity Index (PDSI) method. Then do a comparative study of the Planting Pattern, water management and water turn schedule. In this study, the calculation of drought was carried out at 17 Rainfall Stations (ARR) with input data coming from 6 Climate Stations (CR) conducted by Thiessen Polygon analysis. The results of the drought index for each Rainfall Station (ARR) are then analyzed using the ArcGIS Software isohyet method with the Inverse Distance Weighted (IDW) interepolation to obtain the drought value of the area in each Irrigation Area (DI) analyzed. In this study it was found that: i) Pandanduri-Swangi Irrigation Area which has an area of ​​4,593 hectares of irrigation has a fairly long level of drought between July and October. ii) The relationship between the drought index to the existing Planting Area where the correlation obtained is for the Pandanduri-Swangi, Rutus, Temusik and Terara Irrigation Areas (48%, 61%, 72%, and 73%). iii) Drought index for Debits The availability of existing water correlations is: i) For Pandanduri-Swangi, Rutus, Temusik and Terara Irrigation Areas are 40%, 48%, 71%, and 30%.

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