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Greenation International Journal of Engineering Science

GIJES
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Published by Greenation Research

ISSN : 2986089X EISSN : 29860326 DOI : https://doi.org/10.38035/gijes

Aerospace Engineering Automotive Engineering Civil Engineering, Building, Construction & Architecture Electrical & Electronics Engineering Mechanical Engineering

Greenation International Journal of Engineering Science (GIJES) is a peer-reviewed journal managed and published by Greenation Research & Yayasan Global Resarch National. GIJES is published four times a year, in March, June, September, and December. GIJES provides a platform for academics, researchers, and practitioners to publish scientific articles. The scope of articles listed in this journal is related to various topics such as Engineering Education, Civil Engineering, Electrical Engineering, Informatics Engineering, Craft Engineering, Architectural Engineering, Industrial Engineering, Mechanical Engineering, Environmental and Safety Technology, Basic Chemical Engineering, and Applied Chemistry, Transportation Engineering, Geology & Mining Engineering, Marine & Naval Engineering, and other related engineering fields.

Arjuna Subject : Teknik (semua kategori) - Teknik (Lain-Lain)

Articles 131 Documents

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Mobile-Based Physician Information System Integrated with Hospital Information System at TK III Ciremai Hospital Sunanto; Sani Fitriyani; Rini Suwartika Kusumadiarti
Greenation International Journal of Engineering Science Vol. 4 No. 3 (2026): (GIJES) Greenation International Journal of Engineering Science (September - No
Publisher : Greenation Research

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.38035/gijes.v4i3.1306

The rapid advancement of health information technology has encouraged hospitals to provide fast, accurate, and integrated healthcare services that support physicians' clinical decision-making. At TK III Ciremai Hospital, access to patient information and electronic medical records is currently limited to desktop- and web-based Hospital Information Systems (HIS), restricting physicians' mobility and reducing the efficiency of healthcare service delivery. This study aims to design a mobile-based Physician Information System integrated with the Hospital Information System (HIS) to enable physicians to securely access clinical information through Android smartphones. A qualitative research approach was employed using observation, semi-structured interviews, and document analysis to identify system requirements. The system was designed using the Waterfall software development model, while Java, MySQL, RESTful APIs with JSON data exchange, and Unified Modeling Language (UML), including Use Case Diagrams and Entity Relationship Diagrams (ERD), were utilized to develop the system architecture and database design. The scope of this study is limited to the system design phase and does not include system implementation or performance evaluation. The study produced a prototype design of a mobile-based Physician Information System that provides access to patient demographic information, electronic medical records, laboratory and diagnostic examination results, and physicians' practice schedules while emphasizing data security and usability. The proposed design is expected to serve as a reference for developing integrated mobile physician information systems that improve healthcare service efficiency, enhance physicians' mobility, and support evidence-based clinical decision-making in hospitals.

Optimization of Time and Cost For Work Barge Repair Project Using Crashing Method With Trade-Off Cost At Pt Pasifik Karyasindo Perkasa Jeff wilson Andrian Bao; Eko Hadi Saputro; Edi Sumarya
Greenation International Journal of Engineering Science Vol. 4 No. 3 (2026): (GIJES) Greenation International Journal of Engineering Science (September - No
Publisher : Greenation Research

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.38035/gijes.v4i3.1318

Ship repair projects are characterized by complex activities, interdependent work processes, and strict completion schedules. Delays in ship repair projects may result in increased operational costs, additional labor costs, and disruptions to the vessel's operational schedule. Therefore, an appropriate scheduling method is required to identify critical activities and determine efficient acceleration alternatives from both time and cost perspectives. This study aims to optimize the time and cost of a Work Barge repair project at PT Pasifik Karyasindo Perkasa by applying the Critical Path Method (CPM), Program Evaluation and Review Technique (PERT), and the crashing method using the Time-Cost Trade-Off approach. The study focuses on accelerating the repair project through additional working hours or overtime without causing disproportionate increases in the project budget. CPM is applied to determine the project network, project duration, and critical activities, while PERT is used to estimate the expected project duration based on optimistic, most likely, and pessimistic time estimates and to determine the probability of project completion. Furthermore, crashing analysis is conducted by comparing normal and crash durations as well as normal and additional overtime costs. The efficiency of each acceleration alternative is determined based on the additional cost required for each unit of time reduction using the cost slope approach. The final analysis is intended to identify the optimal combination of project duration and cost, enabling project acceleration while maintaining cost efficiency and avoiding excessive budget increases.

Analysis of Clean Water Demand and Water Availability at PDAM Water Treatment Plant (Case Study: Nagari Aur Kuning, Pasaman District, West Pasaman District) Imam Aidil Amri; Melda Fajra; Elly Marni
Greenation International Journal of Engineering Science Vol. 1 No. 1 (2023): (GIJES) Greenation International Journal of Engineering Science (March 2023)
Publisher : Greenation Research

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.38035/gijes.v1i1.4

Water is an absolute need for living things, especially humans. The availability of clean water must be evenly distributed by making the most of clean water sources. This study aims to determine the estimated population and plan the amount of water demand up to 2030 or the next 15 years . Analysis of projected population growth data and predictions of clean water needs in 2030 or the next 15 years is by using the geometric method. The results of this study indicate that the predicted population in 2030 or the next 15 years is 22,044 people and the prediction of water demand until 2030 or the next 15 years is 78.93 l/s.

Analysis Capacity And Cost Tool Heavy To Production Work (Study Case : Building Construction New SMAN 2 Bukittinggi) Bima Prasetya Yoanda; Rijal Abdullah
Greenation International Journal of Engineering Science Vol. 1 No. 1 (2023): (GIJES) Greenation International Journal of Engineering Science (March 2023)
Publisher : Greenation Research

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.38035/gijes.v1i1.5

In the implementation of quality work work very needed And will reflect production Work That alone. However, in the Building Construction project New SMAN 2 Bukittinggi does not use heavy equipment properly what have planned. Heavy equipment used produce low production so that raises impact negative for results production And cost on implementation project That alone. After do analysis calculation about capacity And cost usage tool heavy on building construction project New SMAN 2 Bukittinggi this, for can finish work in accordance with those who have planned on project, must know capacity productive in the field. Because with know capacity productivity in the field, will easy determine work in accordance with capacity And the cost. The need use capacity more production big on tool heavy, will determine production quality work.

Planning The Layout of Production Facilities (Case Study of Diera Mutiara Internasional in Yogyakarta) Nana Trisolvena
Greenation International Journal of Engineering Science Vol. 1 No. 1 (2023): (GIJES) Greenation International Journal of Engineering Science (March 2023)
Publisher : Greenation Research

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.38035/gijes.v1i1.23

The layout of production facilities is one of the important factors in a company because it has an impact on optimizing the efficiency of the production process. The greater the efficiency, the production process time will be faster and the idle time will be less. This research was conducted to find out what production facility layout was applied by Diera Mutiara International. The method used in this research is by analyzing the layout of production facilities applied by Diera in completing the skincare production process and whether it is efficient. The results obtained from this study state that Diera uses a qualitative flow measurement layout where the movement between departments aims to bring locations that have high displacement rates closer. The conclusion of this study shows that Diera Mutiara International have met BPOM standards in designing the layout of their facilities in a very small factory size.

Design of Population Information System based on WEB In Pasirkaliki Village, Cimahi City Suhana Minah Jaya
Greenation International Journal of Engineering Science Vol. 1 No. 1 (2023): (GIJES) Greenation International Journal of Engineering Science (March 2023)
Publisher : Greenation Research

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.38035/gijes.v1i1.26

Pasirkaliki Village is one of the government agencies located in North Cimahi District, Cimahi City, that requires an information system for the right solution in disseminating information both for the Pasirkaliki community itself and for other wider communities. One of the information that must be conveyed to the Pasirkaliki community is information about population data, especially in terms of the number of residents, number of births, number of deaths, number of residents who moved, number of migrants, and the number of low-income families living in Pasirkaliki sub-district., While the information that can be conveyed to other wider communities is about the number of residents, the number of disadvantaged residents, and data about the population of Pasirkaliki sub- district. The information system in Pasirkaliki Village has been manually, namely through handwriting, and stored in a book so that it has the risk of being lost, forgotten, and damaged. Data handling like this makes the level of data security less, and time processing data are inefficient. With the information system, it will make it easier for village employees to store population data so that existing risks can be minimized. And with a population information system, Pasirkaliki Village can convey information about population data to the community and agencies that need it.

Analysis Of Ergonomic Lecturer Work Chair Design With Anthropometric Method Nana Trisolvena
Greenation International Journal of Engineering Science Vol. 1 No. 1 (2023): (GIJES) Greenation International Journal of Engineering Science (March 2023)
Publisher : Greenation Research

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.38035/gijes.v1i1.27

Ergonomic lecturer chairs following the dimensions of the lecturer's body need to be designed so that lecturers can be healthy and comfortable in carrying out the duties of education, research, and community service. Body dimensions that can be used to design lecturer chairs are upright sitting height (TDT), front hand reach (JTD), shoulder width (LB), and hand length (PT). The research was conducted to analyze lecturer complaints during work and design ergonomic work chairs. The method used in this study is the anthropometric method. The results showed that the most complaints on the neck, shoulders, legs (calves), and ankles were 15.58% respectively followed by knees 11, 69%, and thighs 7.79%. From the measurement of the body, dimensions obtained ? TDT 84 cm, ? 3,117; ? JDT 69.5 cm, ? 4.89; ? LB 42.75 cm, ? 2.915 and ? PT 40.86 cm, ? 4.357 with normally distributed data. 5th percentile TDT 80 cm, 50th TDT 84 cm, 95th TDT 90.65 cm. 5th percentile JTD 63.15 cm, le-50 JTD 72 cm, 95th KTD 77.85 cm. 5th percentile LB 38.9 cm, 50th LB 43.5 cm and 95th LB 47 cm. 5th percentile PT 34.9 cm, 50th PT 43 cm and 95th PT 16.55 cm. The conclusion of designing ergonomic lecturer chairs is following the percentile value obtained using body dimensions.

Engineering Mechanics Learning Model Planning Arif Nurudin
Greenation International Journal of Engineering Science Vol. 1 No. 2 (2023): (GIJES) Greenation International Journal of Engineering Science (June 2023)
Publisher : Greenation Research

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.38035/gijes.v1i1.28

Engineering Mechanics is a branch of the branch of mechanics with the stem of physics. The ability of students in the Engineering Mechanics course is low on average, so various learning models are needed to improve students' ability to achieve their competency standards. This research was conducted to make a plan for the learning model of Engineering mechanics at the Faculty of Engineering, University of Muhammadiyah Cirebon, which was based on the results of research in various educational institutions with various learning models, the purpose of this research is so that students can follow the Engineering mechanics course comfortably and enjoyably. The method used in this study is a literature review from various sources. The results showed that planning the learning model of Engineering mechanics needs to involve sharing dimensions of human life, not limited to cognitive, affective, and psychomotor, but also cooperation, collaboration, the friendship between friends, play, and the active role of lecturers to unite in student activities to do assignments both in groups and individually. Several models can be applied together including NHT, HOTS, STAD, Expository, innovative learning, social relations, and pair-check models.

Production Process of Jamu Nano Teknologi PT AICI Cirebon. West Java, Indonesia Arif Nurudin
Greenation International Journal of Engineering Science Vol. 1 No. 2 (2023): (GIJES) Greenation International Journal of Engineering Science (June 2023)
Publisher : Greenation Research

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.38035/gijes.v1i2.31

PT. Autoimmune Care Indonesia (AICI) is an MSME engaged in the production of herbal medicines with nanotechnology formula particle size. Starting with the results of the lecturers' research inventory that failed to convince BPOM to issue its distribution permit, then a new formula was prepared according to BPOM standards and finally succeeded in obtaining its distribution permit. This study aims to determine the production process of nanotechnology herbs at AICI using observation methods. The results showed that the production process of PT Autoimmune Care Indonesia's nano technology herbal medicine with products in the form of capsules consists of the processing of raw materials and the processing of herbal medicine. The raw material processing process includes raw material handling, compounding, size reduction, sieving, and drying. The herbal medicine processing process includes IPC inspection, final products, quality control, and sanitation. Quality control consists of checking no batch/production code, degree of fineness (< 1000 nanometers), and weight uniformity. Sanitation consists of sanitation of rooms and equipment, sanitation of employees, and waste treatment. Guidance and supervision are carried out by BPOM West Java Province intensively.

Analysis of Damage to Exhaust Valve in Auxiliary Engine Number 3 For Smooth Operation n The Mt. Kurau Muhammad Ofianda R; Desamen Simatupang; Nurinda Dwiyani; Fahmi Umasan Gadji
Greenation International Journal of Engineering Science Vol. 2 No. 1 (2024): (GIJES) Greenation International Journal of Engineering Science (March 2024)
Publisher : Greenation Research

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.38035/gijes.v1i3.50

The exhaust valve is a component that functions apart from being a way out for combustion residue in the combustion chamber, it also plays a role so that the combustion chamber remains airtight during the compression stroke and the effort stroke. The performance of the exhaust valve greatly affects the power generated by the auxiliary engine. A tight exhaust valve is very important so that the combustion products in the cylinder do not leak into the exhaust manifold so that the performance of the auxiliary engine becomes optimal and the role of the auxiliary engine as the heart of a ship can supply electricity on board properly. The research method used is qualitative with qualitative descriptive data analysis techniques and data collection techniques through observation, interviews, and documentation studies. An indication of damage to the exhaust gas valve is the high temperature of the exhaust gas, as well as abnormal engine sound. After analysis, several causes were found, namely the use of inappropriate spare parts, fatigue in the exhaust gas valve, incomplete combustion in the combustion chamber. Then solve the problem which results in optimal exhaust valve performance so that the performance of the auxiliary engine is good.

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Home Page

OAI Link

Editorial Team

Contact

Reviewer

Google Scholar

Contact Name M. Rizky Mahaputra

Contact Email greenation.info@gmail.com

Phone +6281210467572

Journal Mail Official greenation.info@gmail.com

Editorial Address Jl. Kapten. A. Hasan, Telanaipura, Kota Jambi, Jambi 36361, Indonesia

Location Kota jambi, Jambi INDONESIA

Abstract

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Abstract

Contact Name
M. Rizky Mahaputra

Contact Email
greenation.info@gmail.com

Phone
+6281210467572

Journal Mail Official
greenation.info@gmail.com

Editorial Address
Jl. Kapten. A. Hasan, Telanaipura, Kota Jambi, Jambi 36361, Indonesia

Location
Kota jambi,

Jambi

INDONESIA