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All Journal IJOG : Indonesian Journal on Geoscience JST ( Jurnal Sains Terapan ) JTT (Jurnal Teknologi Terpadu) ComTech: Computer, Mathematics and Engineering Applications Abdimas Universal Journal Zetroem Jurnal Sibermas (Sinergi Pemberdayaan Masyarakat) Community Empowerment Jurnal Pengabdian pada Masyarakat Ilmu Pengetahuan dan Teknologi Terintegrasi Techno Nusantara Civil Engineering Journal Journal of Civil Engineering and Vocational Education
Totok Sulistyo
Politeknik Negeri Balikpapan
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The assistance and development of an online attendance system at Integrated Islamic School Ibnu Hajar, Balikpapan Totok Sulistyo; Karmila Achmad; Mariatul Kiptiah; Fatmawati Fatmawati; Desak Made Ristia Kartika
Community Empowerment Vol 7 No 1 (2022)
Publisher : Universitas Muhammadiyah Magelang

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (448.837 KB) | DOI: 10.31603/ce.5679

Abstract

The industrial Revolution 4.0 is the integration of cyber technology, and automation, to enhance the effectiveness and efficiency. Therefore, accessibility to the information can be done at any-time and anywhere through the availability of internet networks. The Integrated Islamic School Ibnu Hajar is the institution that manages early childhood education school, elementary school and junior high school. It needs information systems in managing employee and student presence record. The systems development processes are consisted of pre-development, system analysis, system design, system development, system training and testing, and system implementation. The results are multimedia based on information system and the application of presence (http://sim.ibnuhajarbpn.sch.id). The employee presence system using android and web app which can be done by displaying QR and scanning QR in e-billboard or displaying QR on the laser scanner.
Karateristik Distribusi Sedimen Suspensi pada Sungai Alami Menggunakan Persamaan Rouse Rahmat Bangun Giarto; Bambang Agus Kironoto; Bambang Yulistiyanto; Totok Sulistyo
Techno (Jurnal Fakultas Teknik, Universitas Muhammadiyah Purwokerto) Vol 21, No 1 (2020): Techno Volume 21 No.1 April 2020
Publisher : Universitas Muhammadiyah Purwokerto

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30595/techno.v21i1.6668

Abstract

Angkutan sedimen suspensi merupakan permasalah yang kerap terjadi pada sungai alami dan dapat mengakibatkan pendangkalan pada sungai. Aliran air yang tercampur dengan sedimen berbutir kasar (bed load) akan lebih cepat mengendap dibandingkan dengan sedimen berbutir halus (suspended load) yang akan terangkut mengikuti aliran sungai. Hal ini dapat mengakibatkan berkurangnya kualitas dan kuantitas dalam pemanfaatan air di sungai. Penelitian dilakukan dengan cara mengukur kecepatan dan konsentrasi sedimen suspensi menggunakan dua parameter yaitu pengukuran arah vertikal dan pengukuran arah transversal. Pengukuran menggunakan metode Point Itegrated Sampling (PIS). Opcon Probe digunakan untuk mengukur konsentrasi sedimen suspensi sedangkan propeller currentmeter digunakan untuk pengukuran kecepatan aliran. Pada saat pelaksanaan pengamatan kedua alat ukur tersebut dimasukkan kedalam air yang mengalir pada tampang melintang di sungai. Konsentrasi sedimen suspensi mengalami peningkatan saat  mendekati dasar sungai dan mengalami penurunan saat mendekati permukaan sungai. Persamaan Rouse dapat digunakan dalam mempredisksi distribusi sedimen suspensi pada tengah sungai, sedangkan untuk arah transversal atau posisi tidak ditengah sungai (0,5B) seperti di tepi sungai profil distribusi konsentrasi sedimen suspensi tidak cukup baik untuk memprediksi distribusi konsentrasi sedimen suspensi  dengan persamaan Rouse. Diperlukan faktor koreksi β untuk memprediksi distribusi konsentrasi sedimen suspensi pada tepi sungai dengan nilai faktor koreksi β > 1.Suspension sediment transportation is the problem which is frequently occurs in the bottom of natural rivers, and it sometimes causes rivers shallowing. The mixing between water and coarse grain sediment or bed load will settle down faster rather than finer grain sediment or suspended load that will be transported further by stream water. Due of those can reduce both quality and quantity of river water. This research was conducted by measurement of sediment suspension concentration using two parameters which are vertical and transversal measurement. Point Integrated Sampling was employed in the measurement processes. Opcon probe was used to measure suspended sediment concentration meanwhile the propeller current meter was used to measure water velocity. In the implementation and observation both of measurement tools was drowned in the flowing water, in position  the cross section of rivers. Closer to the rivers bottom, the sediment suspension concentration is increased in the contrary it is decreased in concentration close to the surface. Rouse equation is able to predict the distribution of sediment suspension in the middle of the river, and when the transversal direction or location is not in the middle of river (0.5B) such as in the river profile side, Rouse equation is not good enough to predict the distribution of sediment suspension concentration. The correction factor (β) is needed in predicting concentration  of sediment suspension in rivers side, where  β > 1.
Pendampingan dan Pelatihan Pengajaran Geomatika Menggunakan Perangkat Simusurveyx dan Stake Out Guide di Program Keahlian Geospasial dan Geologi Pertambangan SMKN 1 Balikpapan Mariatul Kiptiah; Totok Sulistyo; Karmila Achmad; Fatmawati Fatmawati; Desak Made Ristia Kartika
Abdimas Universal Vol. 4 No. 2 (2022): Oktober
Publisher : Lembaga Penelitian dan Pengabdian kepada Masyarakat Universitas Balikpapan (LPPM UNIBA)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36277/abdimasuniversal.v4i2.253

Abstract

The Geospatial and Mining Geology Expertise Program at SMKN 1 Balikpapan has limitations in terms of facilities and infrastructure, the workshop building uses a former automotive workshop building which is not sufficiently representative as other skill program workshops. In terms of Geomatics practice equipment, two skill programs with resource sharing with very minimal facilities, where the equipment owned are as follows: 3 units of PPD, 1 unit of Digital Theodholite, and 2 units of TS where 1 battery unit is damaged, not proportional to the number of students with geospatial skills as many as 165 people with 6 teachers and 248 skill students with 8 teachers being less than optimal during geomatics practice. The assistance and training of the simulation tool survey and stake out guide carried out by the PkM Poltekba team is an alternative tool for the teaching and learning process in the field of measurement, making it easier for teachers and students to facilitate basic measurements and surveys in the field and reduce the risk of using limited tools so that the teaching and learning process becomes more optimal.
Soil Infiltration Rate Prediction using Machine Learning Regression Model: A Case Study on Sepinggan River Basin, Balikpapan, Indonesia Totok Sulistyo; Rohmat Fauzi
Indonesian Journal on Geoscience Vol. 10 No. 3 (2023)
Publisher : Geological Agency

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.17014/ijog.10.3.335-347

Abstract

The infiltration rate of soil data is important in a wide range of planning, such as city planning, drainage design, landuse planning, flood prediction, flood disaster mitigation, etc. Collecting data of infiltration through in-site direct measurements is time consuming and costly. Indeed, inferring the infiltration rate using available parameters and the fittest model is needed. The model can shortcut the field measurement to get a predicted accurate infiltration rate that is worthy to support vital planning. This research aims to develop a model of infiltration rate based on initial water contents and grain size of soils. The results are three outstanding models based on the Multiple R Squared, Root Mean Square Error (RMSE), and Mean Average Error (MAE). The implication of the fittest model is reducing the cost and time to get the predicted infiltration rate. The field measurements can be skipped by sampling undisturbed soils and laboratory tests. Keywords: infiltration rate, initial water contents, grain size
Pengelolaan Peralatan Praktik Menggunakan Asset Inventory System Berbasis Ubiquitous dan Cloud Computing pada Program Keahlian Geologi Pertambangan dan Geospasial SMKN 1 Balikpapan Fatmawati Fatmawati; Totok Sulistyo; Karmila Achmad; Mariatul Kiptiah; Desak Made Ristia Kartika; Widodo Widodo
Abdimas Universal Vol. 5 No. 2 (2023): Oktober
Publisher : Lembaga Penelitian dan Pengabdian kepada Masyarakat Universitas Balikpapan (LPPM UNIBA)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36277/abdimasuniversal.v5i2.352

Abstract

In the Mining Geology and Geospatial expertise program, practical learning is mostly conducted outdoors or in the field. This means that there is a high flow of equipment in and out of use, and students' negligence can cause damage to the equipment. Additionally, manual management of practice tools can be inefficient and result in losses, which can hinder the learning process. To address these issues, an online tool management system based on ubiquitous computing is proposed. This system can be accessed on various devices such as computers, androids, and smart TVs. The research begins with a preparatory phase that involves surveying user requirements. The implementation phase involves data analysis, application design, testing, and software implementation, followed by maintenance and further development. By using this system, practical tools can be tracked, and the advantages of the application can be accessed anywhere and anytime. This facilitates the administration of borrowing and returning practice tools at the workshop for Mining Geology and Geospatial SMKN 1 Balikpapan.
Peningkatan Kompetensi dan Pembuatan Teknologi Terbaru Beton Porous di Jurusan Teknik Konstruksi dan Perumahan SMKN 1 Balikpapan Achmad, Karmila; Sulistyo, Totok; Sunarno, Sunarno; Kiptiah, Mariatul; M. Ain, Mohammad Isram
Abdimas Universal Vol. 7 No. 1 (2025): April
Publisher : Lembaga Penelitian dan Pengabdian kepada Masyarakat Universitas Balikpapan (LPPM UNIBA)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36277/abdimasuniversal.v7i1.512

Abstract

The city of Balikpapan has many flood points every year,.Flood events are a priority issue for the Balikpapan City Government, in 2017 there was an increase in flood events by 89 incidents. To solve this problem is to apply the construction with the latest environmentally friendly technology, namely porous concrete so that surface water can seep into the ground and can become a groundwater reserve. Porous concrete is the latest type of concrete technology with high porosity which is applied as a concrete plate which allows rainwater and water from other sources to pass through. Limited facilities and infrastructure, lack of teaching staff relevant to the Construction and Housing Study Program at SMKN 1 Balikpapan School so that they cannot carry out concrete manufacturing and testing because this is a basic competency that every student must have. The activity began by formulating a program that was relevant to the knowledge and research of the PkM team of the Civil Engineering Department of the Balikpapan State Polytechnic and the problems that exist around Balikpanan City. SMKN 1 Balikpapan to carry out follow-up activities or programs to be implemented, activity planning, activity schedules and activity output. The activities were carried out for 2 days which included socialization and practice of making porous concret.
Turning DIN 19682-7 Procedure of Infiltration Rate of Soils Test into the Mobile App for Cloud Storage Sulistyo, Totok; Kiptiah, Mariatul; Kusumayudha, Sari Bahagiarti; Cahyadi, Tedy Agung; Fajar, Reza Adhi
ComTech: Computer, Mathematics and Engineering Applications Vol. 16 No. 2 (2025): ComTech
Publisher : Bina Nusantara University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21512/comtech.v16i2.13000

Abstract

The in-situ soil infiltration test using A Double Ring Infiltrometer (DRI) apparatus can be conducted in the field according to DIN 19682-7 standards and procedures. As required by these standards, the traditional paper-based measurement form can be replaced with a new application developed to meet standard requirements. The DRI apparatus consists of two concentric rings placed in the soil, filled with water, while the outer ring maintains a constant water level. The water level drop in the inner ring is observed and recorded at regular intervals. The infiltration rate can be calculated for each interval by measuring the change in water height over time. This new application facilitates the automatic calculation of both the actual soil infiltration rate and the Horton soil infiltration model. Comparison tests between the application results and Excel calculations have yielded similar outcomes. The goal of this research is to develop a mobile web-based application for recording data and calculating soil infiltration measurements using the DRI method. The research methodology involves transforming the measurement procedure into a concept, designing the application, and then implementing that design. By replacing the paper-based process, this application will enhance the efficiency, accuracy, and flexibility of soil infiltration measurement projects in various locations. Furthermore, the data will be stored in the cloud, allowing for crowdsourced infiltration data collection and monitoring from any location, including the office.
Analisa Kestabilan dan Penurunan Tanah akibat Galian Sementara dengan menggunakan kombinasi Penahan Steel-Sheet-Pile dan Bambu di Simpang Joglo Kota Surakarta Rus, Tatag Yufitra; Sulistyo, Totok; Darmawan, Risky
CIVED Vol. 10 No. 2 (2023): June 2023
Publisher : Universitas Negeri Padang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24036/cived.v10i2.400

Abstract

Penelitian ini bertujuan untuk memprediksi nilai deformasi, penurunan dan angka keamanan pada galian tanah pada proyek pekerjaan jalur rel layang kereta api di Simpang Joglo Kota Surakarta. Analisa menggunakan analisa numerik 2D. Studi ini dapat bermanfaat sebagai bagian dari upaya mitigasi dan pencegahan terhadap resiko kelongsoran tanah yang terjadi akibat proyek galian sementara tersebut dengan permodelan tanah Hardening Soil (HS) dengan Undrained B. Pada sisi timur galian menggunakan konstruksi SSP (Steel-Sheet-Pile) dimana terdapat beban rel kereta api yang bekerja sedangkan pada sisi barat galian menggunakan penahan bambu dengan beban konstruksi jalan yang bekerja. Tanah dibagi kedalam dua lapisan dengan konsistensi lapisan lempung sedang (0-11 m) ke lempung keras (11-50 m). Dari hasil analisa didapatkan nilai maksimum perpindahan dari konstruksi penahan SSP adalah 10,82 mm dimana nilai perpindahan pada bambu hanya sebesar 6,85 mm. Hal ini selaras terhadap garis kelongsoran terbesar terjadi pada sisi timur galian yang menggunakan SSP dengan nilai SF sebesar 3,37 > 2 dimana dapat dikategorikan aman Selanjutnya, besaran nilai penurunan pada kedua sisi galian tidak lebih dari 10 mm. Hal dianggap aman terhadap dampak dari galian sementara pada proyek tersebut. Pada konstruksi penahan SSP memiliki nilai penurunan maksimum sebesar 10,09 mm pada jarak dari galian 3,41 m. Sedangkan pada konstruksi penahan berupa bambu diprediksi hanya sebesar 2,5 mm dengan jarak dari galian sekitar 3,12 m.
Pelatihan Rancang Bangun Smart home Berbasis IoT Untuk Siswa SMAIT Al Auliya Balikpapan Yanti, Nur; Rachman, Fathur Zaini; Lesmideyarti, Dwi; Ihsan, Ihsan; Prasetyo, Mikail Eko; Sulistyo, Totok; Dahlan, Basri
Jurnal Sibermas (Sinergi Pemberdayaan Masyarakat) Vol 14, No 3 (2025): Jurnal Sibermas (Sinergi Pemberdayaan Masyarakat)
Publisher : Universitas Negeri Gorontalo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37905/sibermas.v14i3.34987

Abstract

Students now frequently use smartphones to access the Internet, demonstrating their proficiency with technology. Students who collaborate in groups to develop innovative goods and Internet of Things (IoT)-based smart home systems benefit from the project-based learning method in the classroom. Students are trained and mentored to create new works, such as scientific publications in the form of scholarly articles and prototypes with remote control of electrical gadgets in residential houses over the internet. For students with a vocational education background, such as those attending Vocational High Schools (SMK), technology-based instruction is typically pertinent. However, SMAIT Al Auliya Balikpapan students who have a general education background and are used to science instruction like the National Science Olympiad (OSN) received IoT information technology training in this community service project. As a result, the training offered to SMAIT Al Auliya Balikpapan students is unique and highly engaging. Using the waterfall technique through phases of problem-solving and communication with partners, creating learning guide modules as instructional resources, putting training and student mentoring into practice, and evaluating. One of the outcomes is a house prototype with a smart home system that allows users to remotely manage doors, fans, and lights via an Android smartphone with an internet connection. With real-time smartphone monitoring of the room temperature, humidity, door access, and the on/off status of household electronics, the student-designed system improves home security. It is advised that Android devices be always connected to a reliable internet network in order to preserve the monitoring system's continuity and guarantee that it operates in real-time without any delays. Additionally, as a result of the creative product design and development, students have authored a scientific study on the subject of Android-based smart homes that will be published. Students should have access to trainings or extracurricular activities pertaining to emerging technologies in an attempt to enhance their knowledge, abilities, mastery, and technological updating.
IoT-Enabled Smart Farming System Based on Sugeno Fuzzy Logic for Land Monitoring, Automated Irrigation, and Fertilization Recommendation Nur Yanti; Syafruddin Syarif; Ihsan; Dwi Lesmideryati; Totok Sulistyo; Fathur Zaini Rachman
ZETROEM Vol 8 No 2 (2026): ZETROEM
Publisher : Prodi Teknik Elektro Universitas PGRI Banyuwangi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36526/ztr.v8i2.7567

Abstract

Conventional farming systems are widely practiced without considering field conditions, including temperature, soil moisture, and soil pH, leading to inaccurate irrigation, fertilization, and crop selection. This study designed and implemented an Artificial Intelligence and Internet of Things-based smart farming system using the Sugeno Fuzzy Logic method to support real-time land monitoring, fertilizer recommendations, and automatic watering control. An experimental method was applied through literature review, hardware and software design, multisensor integration, implementation, testing, and evaluation. The system integrates an ESP32 controller, a DHT11 sensor, a soil moisture sensor, a soil pH sensor, an ultrasonic water-level sensor, an ACS758 current sensor, an Android-based Blynk application, and solar panels as the energy source. The results show that the system displayed temperature, humidity, soil pH, reservoir water status, fertilization status, and watering status in real time via the Android app. Sensor testing showed reliable performance, with the DHT11 producing average differences of 0.675°C for temperature and 1.75% for humidity compared with BMKG reference data. The soil moisture sensor identified dry, normal, and wet soil conditions with average values of 23.73%, 47.50%, and 80.23%, respectively. The pH sensor recorded average values between 6.48 and 6.72, while the ultrasonic sensor achieved an average reservoir-level error of 0.62%. Solar panel testing produced average voltages of 13.89 V on the multimeter and 13.61 V on the solar charge controller. 
Co-Authors Ali Abrar Bambang Agus Kironoto Bambang Yulistiyanto Basri Basri Basri Dahlan, Basri Cahyadi, Tedy Agung Cairil Anwar Darmawan, Risky Desak Made Ristia Kartika Desak Made Ristia Kartika Dwi Idarto Dwi Lesmideryati Fathur Zaini Rachman Fatmawati Fatmawati Fatmawati Fatmawati Ferdian Adhi Nugraha Ida Bagus Irawan Purnama Ihsan Ihsan Ihsan Karmila Achmad Karmila Achmad Karmila Achmad Karmila Achmad Karmila Achmad Kusumayudha, Sari Bahagiarti Lesmideyarti, Dwi M. Ain, Mohammad Isram Mariatul Kiptiah Mariatul Kiptiah Mariatul Kiptiah Mikail Eko Prasetyo, Mikail Eko Mohamad Amin Musthofa Kamal Kurniawan Nur Yanti Nur Yanti, Nur Pongtuluran, Ezra Hartarto Rahmat Bangun Giarto Rahmat Bangun Giarto Randis Randis Reza Adhi Fajar Rohmat Fauzi SUNARNO Sunarno , Sunarno Sunarno Sunarno Sunarno Suprapto Suprapto Syaeful Akbar Syafruddin Syarif Tatag Yufitra Rus Widodo W Widodo Widodo