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All Journal Sinergi Journal of Applied Information, Communication and Technology (JAICT) FaST : Jurnal Sains dan Teknologi Bhakti Persada Jurnal Aplikasi IPTEKS ABSYARA: Jurnal Pengabdian Pada Masyarakat AMMA : Jurnal Pengabdian Masyarakat
Bambang Supriyo
Politeknik Negeri Semarang
Agriculture, Biological Sciences & Forestry Humanities Chemistry Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Earth & Planetary Sciences Education Electrical & Electronics Engineering Engineering Environmental Science Industrial & Manufacturing Engineering Law, Crime, Criminology & Criminal Justice Library & Information Science Materials Science & Nanotechnology Mathematics Nursing Other

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THE ABILITY OF THE CONTINUOUSLY VARIABLE TRANSMISSION TO CONTROL THE ENGINE AT MAXIMUM POWER: LITERATURE REVIEW Sugeng Ariyono; Bambang Supriyo; Indra Feriadi; Dedy Ramdhani Harahab; Nurul Akmar Akmar Abu Husain
SINERGI Vol 25, No 3 (2021)
Publisher : Universitas Mercu Buana

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22441/sinergi.2021.3.011

Abstract

Good ride performance is one of the most important key attributes of a passenger vehicle. One of the methods to achieve this is by using Continuously Variable Transmission (CVT). This is because a CVT can provide an almost infinite ratio within its limits smoothly and continuously. The flexibility of a CVT allows the driving shaft to maintain a constant angular velocity over a range of output velocities. New developments in gear reduction and manufacturing have led to ever more robust CVTs, allowing them to be applied in more diverse automotive applications. As CVT development continues, costs will be reduced further, and the performance will continue to improve, making further development and application of the CVT technology desirable. This cycle of improvement will offer CVT a solid foundation in the world's automotive infrastructure. This paper aims to provide some background and relevant information that is necessary for this study. Specifically, a brief description of CVT, advantages and their brief history is presented. This paper also evaluates the current state of CVT, investigate the technology frontline of drivetrain control and the development of CVT. The stepless transmission is able to maintain the engine running at its maximum power.
Alat Peraga Kendali Pemanas Udara Berbasis Arduino Uno Sebagai Penunjang Praktikum Laboratorium Kendali Politeknik Negeri Semarang [A Demonstration Tool of Arduino Based Air Heater Controller to Support Control Laboratory of Politeknik Negeri Semarang] Bambang Supriyo; Samuel Beta Kuntardjo; Sihono Sihono
FaST - Jurnal Sains dan Teknologi (Journal of Science and Technology) Vol 1, No 1 (2017): November
Publisher : Universitas Pelita Harapan

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Abstract

The objective of this research is to develop and test the demonstration tool of Arduino based air heater controller with Proportional Integral Derivative (PID) based control methods for the temperature range between 50ºC and 70ºC.   Arduino Uno was programmed using C-language to do control tasks and to transfer control data serially to computer via USB port. The selection of the initial PID  parameters are determined using the combination of Relay Feedback method and Ziegler-Nichols  formula.  The control methods were focused on proportional (P), proportional derivative (PD) dan Proportional Integral Derivative (PID) with the performance criteria based on overshoot  dan steady state error.  The experimental results show that the PID controllers give best output responses in terms of zero steady state errors, while P and PD controllers still result in steady state errors of about 3ºC. In addition, P controllers still give about 2,5ºC-4ºC fluctuative output values below set points, while the PD and PID have very small fluctuative values and even very close to zero. This laboratory demonstration tool has shown very good PID based controller performance, so it is feasible to be used as a supporting demonstration tool for control system laboratory in Politeknik Negeri Semarang or even other universities.
Penerapan Sistem Informasi dan Manajemen Perpustakaan Berbasis IoT untuk Meningkatkan Literasi di SD N Kramas, Tembalang, Kota Semarang Eni Dwi Wardihani; Bambang Supriyo; Ilham Sayekti
Bhakti Persada Jurnal Aplikasi IPTEKS Vol 7 No 1 (2021): Mei 2021
Publisher : P3M Politeknik Negeri Bali

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31940/bp.v7i1.2160

Abstract

Tuntutan kemampuan literasi bagi usia sekolah menjadi landasan Gerakan Literasi Sekolah. Berdasarkan survei yang telah dilakukan oleh Politeknik Negeri Semarang di SDN Kramas didapati bahwa permasalahan dilatarbelakangi oleh kekurangan sarana dan prasarana pendukung Gerakan Literasi Sekolah, di mana salah satu komponennya adalah perpustakaan. Pengabdian masyarakat ini bertujuan untuk membantu kegiatan Gerakan Literasi Sekolah SDN Kramas. Metode yang dilaksanakan adalah pada aspek Non ASN dengan membuat sistem informasi dan manajemen perpustakaan database berbasis IoT (Internet of Things) Library Management System. Selain itu, adalah pada aspek ASN dengan memberikan pelatihan kepada tenaga perpustakaan agar dapat mengoperasikan sistem informasi dan manajemen perpustakaan. Hasil yang dicapai adalah terimplementasinya website perpustakaan dengan nama domain perpustakaan.sdnkramas.sch.id dan keterampilan pustakawan dalam mengeola website tersebut. Integrasi sistem tersebut diharapkan dapat membuat manajemen di perpustakaan SDN Kramas menjadi lebih baik dan terkelola.
Peningkatan Ketersediaan Air Bersih Melalui Penerapan Teknologi Tepat Guna Di Sekolah Dasar Sri Kusumastuti; Vinda Setya Kartika; Ilham Sayekti; Bambang Supriyo; Septiantar Tebe Nursaputro; Sidiq Syamsul Hidayat; Sheilla Nadia Valina; Devi Yesitasari; Faizah
AMMA : Jurnal Pengabdian Masyarakat Vol. 5 No. 2 : Maret (2026): AMMA : Jurnal Pengabdian Masyarakat
Publisher : CV. Multi Kreasi Media

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Abstract

Clean water availability is a fundamental need that plays an important role in supporting educational activities, environmental hygiene, and the implementation of religious activities in schools. SD Islam Fitra Bhakti faced limited clean water supply caused by insufficient water tank capacity and an inadequately managed water distribution system. This condition disrupted sanitation activities and routine worship practices of students and teachers, particularly during peak water usage periods. This Community Service Program aimed to improve the availability and reliability of clean water supply through the application of appropriate technology that is simple, effective, and suitable for partner conditions. The implementation methods included needs assessment and analysis, technical solution design, installation of the water supply system, as well as training and assistance for school staff. The implemented solution consisted of adding water storage tanks, installing a PDAM-based water supply system, and applying an automatic stop valve to control water flow into the tank. The results indicate that the implemented system successfully increased water storage capacity and ensured a more stable continuity of clean water supply. In addition, school staff demonstrated improved understanding and independence in operating and maintaining the system after the training was conducted. The application of this appropriate technology had a positive impact on water management efficiency and supported the long-term sustainability of school operations.
Design and Development of Gain Scheduling PID and Fuzzy-PID Control for DC Motor Speed Based on MATLAB Simulink Bambang Supriyo; Marshanda Aprilian Nisha; Keisya Djenar Dinda Lestari; Vinda Setya Kartika
JAICT Vol. 12 No. 1 (2026): JAICT
Publisher : Politeknik Negeri Semarang

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Abstract

Speed control of DC motors plays an important role in industrial applications because it directly affects system performance and efficiency. Conventional PID controllers are widely used; however, they have limitations in handling setpoint changes and varying system dynamics. Previous studies have shown that adaptive methods such as Gain Scheduling PID and Fuzzy-PID can improve control performance, but comparative studies under varying setpoints remain limited. Therefore, this research aims to design and analyze the performance of Gain Scheduling PID and Mamdani-based Fuzzy-PID controllers for DC motor speed control using MATLAB Simulink. The research method includes DC motor modeling, controller design, simulation under setpoint variations from 2000 to 8000 RPM, and performance analysis based on rise time, overshoot, settling time, and steady-state error. The results indicate that both controllers are capable of regulating DC motor speed effectively; however, the Fuzzy-PID controller provides a more adaptive transient response with lower overshoot and steady-state error at certain operating conditions compared to the Gain Scheduling PID controller.
Pendampingan penerapan teknologi sistem monitoring dan penyiraman berbasis IoT pada budidaya tanaman obat keluarga Ilham Sayekti; Bambang Supriyo; Sri Kusumastuti; Bangun Krishna; Vinda Setya Kartika; Kusno Utomo; Dadi Dadi; Samuel Beta; Tulus Pramuji; Achmad Fahrul Aji
ABSYARA: Jurnal Pengabdian Pada Masayarakat Vol 3 No 1 (2022): ABSYARA: Jurnal Pengabdian Pada Masyarakat
Publisher : Universitas Hamzanwadi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29408/ab.v3i1.5616

Abstract

Assistance in the application of IoT-based monitoring and watering system technology in the cultivation of family medicinal plants (Toga) for the PKK group managing the Tosabu garden, Kramas Sub-district, Tembalang District, Semarang, aims to assist park managers, namely the Kramas Village PKK administrator, in caring for and cultivating various types of medicinal plants in a mini greenhouse with an area of 40 m2. Watering plants is a significant problem during the dry season. In addition, the restrictions on activities during the COVID-19 pandemic have also become an obstacle for park managers to take care of plants intensively. This happens because there is no regular system for watering plants due to the busyness of the gardeners. The implementation method in service starts from site surveys and problem inventory, system design and manufacture, installation, training for managers, and evaluation. Technology was designed and built using Arduino Uno and Nodemcu ESP8266 as the central controller and the Blynk application to monitor and control the system using a smartphone. The system is equipped with several sensors, including DHT11 as a temperature and humidity sensor, a soil moisture sensor, and a rain sensor. Twenty-four mini sprinkler sprayer nozzles are used as plant sprinklers installed on each side and top of the greenhouse. The sprinkler and plant monitoring system that has been made has been successfully tested and works well. The plant watering system created can operate automatically using a smartphone and manual operation. The results of the application of this technology can be used by partners and can overcome the problems faced in treating and cultivating family medicinal plants efficiently
Co-Authors Achmad Fahrul Aji Agus Susanta Bangun Krishna Dadi Dadi Dedy Ramdhani Harahap Devi Yesitasari Eni Dwi Wardihani Faizah Ilham Sayekti Keisya Djenar Dinda Lestari Kusno Utomo Marshanda Aprilian Nisha Nurul Akmar Akmar Abu Husain Samuel BETA Samuel Beta Kuntardjo Septiantar Tebe Nursaputro Sheilla Nadia Valina Sidiq Syamsul Hidayat, Sidiq Syamsul Sihono Sihono Sri Kusumastuti Sugeng Ariyono, Sugeng Tulus Pramuji Vinda Setya Kartika