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All Journal JURNAL DINAMIKA VOKASIONAL TEKNIK MESIN Jurnal Konversi Energi dan Manufaktur
Yulianti, Dinda
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Aerospace Engineering Automotive Engineering Education Industrial & Manufacturing Engineering Materials Science & Nanotechnology Mechanical Engineering Social Sciences

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DESAIN SISTEM MONITORING FLOWMETER KOMUNIKASI RS 232 MENGGUNAKAN SOFTWARE NODE-RED PADA FUEL CELL ELECTRIC VEHICLE: Design of RS 232 Communication Flowmeter Monitoring System using Node-Red Software for Fuel Cell Electric Vehicle Yulianti, Dinda; Ifa Fauziah; Hamid Abdillah; Kurniawan; Irma Yulianti
Jurnal Konversi Energi dan Manufaktur Vol. 8 No. 2 (2023)
Publisher : Universitas Negeri Jakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21009/JKEM.8.2.5

Abstract

One of the applications of fuel cells is Fuel Cell Electric Vehicles (FCEV). FCEV is more efficient and produces no carbon emissions than conventional internal combustion engine vehicles. FCEV emitting only water vapor and warm air. This research hoped will provide new knowledge regarding the monitoring system for hydrogen output in FCEVs using the Node-RED software application, as well as regarding flowmeters with RS 232 output. The design of this serial flowmeter monitoring system was carried out in the fuel cell laboratory, the Energy Conversion and Conservation Research Center (PRKKE). This research was carried out by direct observation of the laboratory where fuel cell electric cars were studied, and collected data directly in the laboratory. The Node-RED flow design begins by providing a timestamp every 10 seconds when FCEV is operated, debugging to determine how the results of trials and failures occur. When FCEV is operated, a tenth of a second of data from the flowmeter enters the Moxa Nport device server. This monitoring design combines the Moxa NPort 5230 device server, battery supply, flowmeter with RS232 communication, and several electronic circuits. The flowmeter testing experiment for hydrogen output data on Fuel Cell Electric Vehicles obtained 1.38 with a speed of 1.46 l/min.
IMPLEMENTATION EVALUATION OF THE STUDENT'S FIELD WORK PRACTICE PROGRAM IN THE VOCATIONAL SCHOOL 7 SERANG, USING THE COUNTENANCE STAKE MODEL Yulianti, Dinda; Abizar, Haris; Abdillah, Hamid
Jurnal Dinamika Vokasional Teknik Mesin Vol. 9 No. 2 (2024)
Publisher : Department of Mechanical Engineering Education

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21831/dinamika.v9i2.78226

Abstract

The Field Work Practice Program is prepared by educational institutions and the industrial sector. This program is designed to contribute to the vocational school students' development. However, the implementation of Field Work Practices faces several problems that affect its effectiveness. This research was conducted to evaluate the Field Work Practices in the Department of Mechanical Engineering at State Vocational High School 7 Serang City in terms of the Preparation (Antecedent), Implementation (Transaction), and Results (Outcomes) stages. This research is a mixed method evaluative research (combination method), using an explanatory sequential approach. In this study, the student population was 68, so the sample size was 68 students and 4 teachers. All Field Work Practice Student preparation consists of Regular Learning and debriefing which resulted in 82% being in the very good category, then 68 students found that 84.02% were in the very good category. The entire implementation of Field Work Practice (Transaction) which consists of the Work Orientation and Competency Period, from the teacher's perception, obtained results of 84% in the very good category and from student perception 33% in the sufficient category. After implementing the Field Work Practice (Outcomes) there was a School Assessment and Industrial Assessment, from the teacher's perception the results were 88% in the good category and from the students' perceptions the results were 81% in the sufficient category. All indicators of the Field Work Practice preparation stages (Antecedents) are considered sufficient. The implementation stages (Transactions) are considered good, but there are still shortcomings where when carrying out Field Work Practice students are still not disciplined which causes the school to be blacklisted for more than 1 year from several industries. The results of the Field Work Practice (Outcomes) evaluation were declared good.
Co-Authors Hamid Abdillah Haris Abizar, Haris Ifa Fauziah Irma Yulianti Kurniawan