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INDONESIA
Jurnal Pengabdian KOLABORATIF
Published by Universitas Semarang
ISSN : -     EISSN : 29859026     DOI : http://dx.doi.org/10.26623/jpk
Core Subject : Social, Engineering,
Civil Engineering, Building, Construction & Architecture Electrical & Electronics Engineering Environmental Science Social Sciences
Jurnal Pengabdian KOLABORATIF aims to disseminate the conceptual thoughts or ideas and research results that have been achieved in the area of community services, especially those focused on the field of engineering, information technology, economy, business, entrepreneurship, law, politics, religion, culture, energy, environment, science, and education in empowering the community and also community service activities by students.
Arjuna Subject : Ilmu Sosial - Ilmu Sosial (Lain-Lain)
Articles 92 Documents
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Integrated Modeling of Renewable Energy Penetration in Nigeria’s Power Grid: Technical, Economic, and Infrastructural Pathways for System Flexibility and Stability Hyginus Chidiebere Onyekachi Unegbu; Danjuma YAWAS
Jurnal Pengabdian KOLABORATIF Vol. 4 No. 2 (2026): July
Publisher : Faculty of Engineering, Universitas Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26623/kolaboratif.v4i2.12795

Abstract

Nigeria’s electricity sector faces growing challenges in meeting rising energy demand while advancing climate commitments and ensuring long-term energy security. This study develops an integrated modeling framework to assess the technical, economic, and infrastructural implications of high renewable energy penetration in Nigeria’s power grid. Combining long-term energy planning using the Long-range Energy Alternatives Planning (LEAP) system, short-term economic dispatch modeling via PLEXOS, and power flow simulations through OpenDSS, the analysis evaluates three grid development scenarios: Business-As-Usual (BAU), Intermediate Renewable Energy (RE), and High Renewable Energy (RE) integration. The results demonstrate that increasing the share of solar and wind generation to 60% significantly lowers total generation costs, from $3.1 billion under BAU to $2.18 billion in the High RE scenario, while reducing CO₂ emissions by over 60%. Battery energy storage systems (BESS) and demand-side management (DSM) were found to be essential enablers of system flexibility, reducing curtailment and unserved energy, and improving peak load balancing. Voltage stability improved markedly with the deployment of inverter-based control and distributed storage, achieving over 97% compliance with voltage limits in the High RE scenario. Regional integration through the West African Power Pool (WAPP) further enhanced system performance and delivered net trade benefits. The study concludes that Nigeria’s grid can accommodate high renewable energy shares without compromising technical reliability or economic efficiency. These findings offer critical insights for policymakers and energy planners, emphasizing the need for regulatory reform, targeted infrastructure investments, and regional cooperation to achieve a sustainable and resilient energy future.
Implementation of Horizontal Infiltration Pipes System for Sustainable Drainage at Demakan Village Office, Banyubiru, Semarang Regency Lindawati; Fitria Maya Lestari; Etika Herdiarti; Yonikha Rivani; Hendra Masvika
Jurnal Pengabdian KOLABORATIF Vol. 4 No. 2 (2026): July
Publisher : Faculty of Engineering, Universitas Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26623/kolaboratif.v4i2.13542

Abstract

The primary issue in Demakan Village, Banyubiru, Semarang Regency, is the high volume of rainwater runoff that frequently causes puddles in public areas. This community service aims to implement Horizontal Infiltration Pipe (HIP) technology as an eco-friendly drainage solution. The implementation method consisted of coordination and socialization with village officials and residents, site surveys, system design, and installation of a perforated horizontal infiltration pipe network at the Demakan Village Office on 15 November 2025. The implementation resulted in the successful establishment of a functional HIP system that reduced localized ponding around the office area, facilitated rainwater infiltration into the surrounding soil, and served as a practical demonstration of sustainable drainage technology for the community. The activity also strengthened the understanding of village stakeholders regarding environmentally sound drainage management and groundwater conservation. In conclusion, the HIP system proved to be a feasible alternative to conventional vertical infiltration structures, particularly in areas with limited space and specific soil conditions. The installed system can serve as a pilot model for sustainable drainage management in Banyubiru, while routine maintenance and periodic monitoring are recommended to ensure long-term system performance and support groundwater recharge.
Pelatihan Branding dan Pemasaran Digital UMKM Kopi Kopisari di Desa Plaosan Kabupaten Malang Nur Elif; Justita Dura; Fadilla Cahyaningtyas; Lussia Mariesti Andriany; Agus Purnomo Sidi; Ahmad Nizar Yogatama; Nicholaus Wayong Kabelen; Khairul Anuar bin Ishak; Mohd. Sahran @ Awang Bin Mohidin; Isyati Binti Suparman; Mime Azrina Jaafar; Nur Farhana Binti Mustahidin
Jurnal Pengabdian KOLABORATIF Vol. 4 No. 2 (2026): July
Publisher : Faculty of Engineering, Universitas Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26623/kolaboratif.v4i2.13789

Abstract

Kopisari Farmer Group manages a 0.29-ha coffee MSME in Plaosan Village with 360 BP 308 coffee trees planted since 2008. The main problems are the lack of clear brand identity, structured product narratives, and consistent digital marketing channel management. This community service program aims to improve the partner's branding and digital marketing capacity through hands-on training and mentoring. The method used is participatory training, including needs assessment, positioning-storytelling workshops, social media optimization practice, and content calendar development. The program was evaluated using pre-test and post-test methods. The results showed an 85% increase in partner understanding, with average scores rising from 40 to 85. Practically, the partner successfully produced a positioning document, brand identity draft, farm storytelling script, and content calendar. The partner also optimized their digital storefront and activated customer reviews as social proof. In conclusion, practice-based mentoring effectively accelerates digital marketing adoption for farmer-group-based coffee MSMEs
Road Safety Go to School: Sosialisasi Keselamatan Berlalu Lintas pada Siswa SMA Witama Srikandi Pekanbaru Muthia Anggraini; Virgo Trisep Haris; Wati Masrul
Jurnal Pengabdian KOLABORATIF Vol. 4 No. 2 (2026): July
Publisher : Faculty of Engineering, Universitas Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26623/kolaboratif.v4i2.13792

Abstract

Road traffic safety is a fundamental aspect that should be instilled from an early age, particularly among senior high school students, many of whom are already active road users. The Road Safety Go to School program was implemented as an educational initiative to enhance students' knowledge, awareness, and compliance with traffic safety regulations. The program was conducted at Witama Srikandi Senior High School, Pekanbaru, using educational lectures, awareness campaigns, and interactive discussions. The learning materials covered the importance of road traffic safety, recognition of traffic signs and traffic signal lights (APILL), safe road-use practices, and safe riding principles. The results indicated a substantial improvement in students' understanding of road traffic safety. Based on the post-program questionnaire, all 80 participants (100%) demonstrated an adequate understanding of the topics presented. Prior to the educational intervention, 58.75% of participants were unfamiliar with the concept of safe riding, 56.26% lacked knowledge of road traffic safety, and 40.00% were unable to recognize traffic signs and traffic signal lights. Following the program, all participants showed improved knowledge and understanding of these topics. These findings demonstrate that the Road Safety Go to School program was effective in increasing students' awareness and knowledge of road traffic safety, thereby supporting the development of safer traffic behavior among young road users.
Pengembangan Kemandirian Pengurus Musholla SMA Negeri 1 Jakenan Pati melalui Pelatihan Instalasi Audio Fahrudin Ahmad; Supari Supari; Agus Margiantono; Satria Pinandita
Jurnal Pengabdian KOLABORATIF Vol. 4 No. 2 (2026): July
Publisher : Faculty of Engineering, Universitas Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26623/kolaboratif.v4i2.13875

Abstract

Sub-optimal management of musholla audio systems is often caused by limited technical competence among administrators and the absence of structured standard operating procedures (SOPs). This Community Service program aimed to enhance the self-reliance of musholla administrators at SMA Negeri 1 Jakenan Pati through practice-based training in audio installation and maintenance. The implementation methods included needs-assessment surveys, technical planning, hands-on training, pre- and post-test evaluations, and the development of SOPs for installation, troubleshooting, and periodic maintenance. A total of 20 participants, consisting of musholla administrators and school technical staff, took part in the program. Evaluation results showed an improvement in scores from a range of 40–70 in the pre-test to 62–95 in the post-test. In addition, the quality of the audio installation improved through cable reorganization, signal level adjustment, and equalizer tuning according to room characteristics. The program also produced practical outputs in the form of training modules and operational SOPs. Overall, the results indicate that practice-based training is effective in enhancing technical competence while simultaneously fostering partner self-reliance in managing musholla audio systems.
Peningkatan Literasi Remaja Karang Taruna terhadap Risiko Intrusi Air Laut pada Air Sumur di Kota Semarang melalui Edukasi Partisipatif Muhammad Abrian Surya Putra
Jurnal Pengabdian KOLABORATIF Vol. 4 No. 1 (2026): January
Publisher : Faculty of Engineering, Universitas Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26623/kolaboratif.v4i1.13978

Abstract

Seawater intrusion is one of the major environmental issues in the coastal area of Semarang City, affecting the quality of groundwater used by local communities, particularly from shallow wells. Low environmental literacy, especially among adolescents, may hinder early detection and risk mitigation efforts related to this problem. From a civil and environmental engineering perspective, limited public understanding of groundwater dynamics and coastal hydrogeology can exacerbate the overexploitation of aquifers and accelerate saline water intrusion. This community engagement program aimed to enhance the environmental literacy of youth community members regarding the risks of seawater intrusion through participatory education. The method employed an interactive training approach, including material presentations on coastal hydrogeology, groundwater management, and saline intrusion mechanisms, followed by group discussions and evaluation through pre-test and post-test assessments involving 15 participants. The results demonstrated an improvement in participants’ understanding by 31 points, equivalent to a 57% increase compared to the baseline condition. After the program, participants were able to explain more systematically the causes of seawater intrusion, such as excessive groundwater extraction, land subsidence, and reduced recharge areas, its impact on well water quality, and the importance of sustainable groundwater management practices. During the discussion sessions, several participants began relating the material to local environmental conditions, including the phenomenon of increased salinity in well water during the dry season. These findings indicate that participatory educational approaches are effective in strengthening environmental literacy within a civil and environmental context. The program concludes that participatory education can serve as a relevant strategy to empower youth as agents of environmental awareness, supporting sustainable groundwater management and coastal resilience efforts.
Pendampingan Pelaksanaan Pekerjaan Pondasi Beton Sumuran dengan Metode Pengeboran Semi-Mekanik Di Kelurahan Katonsari Kecamatan Demak Kabupaten Demak Dhamang Budi Cahyono; Kukuh Wisnuaji Widiatmoko; Faizal Mahmud; Bagus Acung Billahi
Jurnal Pengabdian KOLABORATIF Vol. 4 No. 2 (2026): July
Publisher : Faculty of Engineering, Universitas Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26623/kolaboratif.v4i2.14306

Abstract

This community service activity aims to improve the technical and managerial competencies of construction workers in implementing drilled shaft (bored pile) foundations using a semi-mechanical drilling method. The activity was conducted at the BULOG warehouse construction project in Demak Regency, involving 30 workers from PT. Mitra Wardhana. The methods employed included training, demonstrations, direct on-site assistance, and evaluation through pre-test and post-test. The materials delivered covered the stages of drilled shaft construction, semi-mechanical drilling techniques, quality control, and the implementation of occupational health and safety (OHS). The results indicated an average increase of 29.7% in participants’ understanding, demonstrating the effectiveness of practice-based mentoring in enhancing workforce competence. In addition, the activity produced outputs in the form of Standard Operating Procedures (SOP) and technical documentation as sustainable work guidelines. Increased awareness of OHS was also observed through improved work behavior that is more disciplined and safety-oriented. Overall, this activity successfully addressed the partner’s problems and contributed to improving the quality of drilled shaft construction in a more effective, safe, and standardized manner.
Sosialisasi Potensi Longsor Di Kecamatan Gunungpati Kota Semarang Sebagai Upaya Peningkatan Kesiapsiagaan Masyarakat Adolf Situmorang; Anik Kustirini; Kusrin Kusrin; Agus Muldiyanto; Kukuh Wisnuaji Widiatmoko
Jurnal Pengabdian KOLABORATIF Vol. 4 No. 2 (2026): July
Publisher : Faculty of Engineering, Universitas Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26623/kolaboratif.v4i2.14390

Abstract

Gunungpati District is characterized by geomorphological conditions dominated by hilly terrain with moderate to steep slopes. These topographic features, combined with the local geological and hydrological conditions, increase the area's susceptibility to landslides. This Community Service Program (PKM) aimed to enhance community knowledge and preparedness regarding potential landslide hazards in Gunungpati District through a community-based awareness and education program. The program employed educational lectures, interactive discussions, and the distribution of educational materials to residents. The activities were held at the village hall and involved 30 participants from several villages in Gunungpati District. The results demonstrated a significant improvement in participants' understanding of the primary causes of landslides, early warning indicators, and appropriate mitigation measures that can be implemented at the community level. The participants' average knowledge score increased by 52%, rising from 33.75% before the program to 85.75% after its completion. These findings indicate that integrating public awareness sessions with interactive discussions, case study presentations, and visual learning media effectively enhances community understanding of landslide hazards and corresponding mitigation strategies. Consequently, this program provides a practical foundation for strengthening community resilience to landslide disasters in Gunungpati District.
Pengenalan dan Pelatihan Komponen Robot Transporter bagi Siswa Siswi SMA Kesatrian 2 Semarang Isya' Aryan Sulistyo; Yusuf Nurul Hilal; Derman Derman; Indri Suryawani
Jurnal Pengabdian KOLABORATIF Vol. 4 No. 2 (2026): July
Publisher : Faculty of Engineering, Universitas Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26623/kolaboratif.v4i2.14706

Abstract

In the current era of Industry 4.0, technological and robotics advancements are proceeding rapidly, particularly in the fields of science, technology, and mathematics; however, knowledge and literacy among high school students regarding the identification and use of robotic components remain very limited. An introductory training session on transporter robot components was conducted for students at SMA Kesatrian 2 Semarang with the aim of enhancing their understanding of robotics fundamentals. The activity involved the presentation of material, demonstrations, and hands-on practice in identifying the parts of a transporter robot. Assessment was carried out using pre-tests and post-tests administered to 20 participants. The results demonstrated a significant improvement in understanding across all areas, including robot components, power sources, drive systems, control systems, and the functions of the transporter robot. The average percentage of correct answers rose from 24% in the pre-test to 85% in the post-test. These results indicate that the training successfully improved student understanding and fostered greater interest in robotics technology.
Pelatihan Karya Tulis Ilmiah Berbasis AI untuk Meningkatkan Literasi Ilmiah Siswa SMA Negeri 1 Mranggen Talitha Zhafira; Nur Fithriani Fatma Cholida; Iryan Dwi Handayani; Widya Ayu Prawesthi
Jurnal Pengabdian KOLABORATIF Vol. 4 No. 2 (2026): July
Publisher : Faculty of Engineering, Universitas Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26623/kolaboratif.v4i2.14743

Abstract

Scientific literacy is a fundamental competency that should be developed among students to enable them to adapt to the evolving learning environment in the digital era. Nevertheless, students' competence in producing scientific papers still requires significant improvement. In addition, the use of Artificial Intelligence (AI) as a supporting tool in the learning process has not yet been optimally implemented. This community service program aimed to enhance students' scientific literacy at SMA Negeri 1 Mranggen through AI-assisted training in scientific writing and to introduce the ethical use of digital technology in academic writing. The program was implemented through several stages, including the delivery of instructional materials, demonstrations of AI applications, interactive discussions, hands-on scientific writing practice, and learning outcome assessments using pre-tests and post-tests. A total of 60 students from SMA Negeri 1 Mranggen participated in the program. The analysis of learning outcomes revealed that the participants' average score increased from 52.73 before the training to 91.73 after the training. Furthermore, the calculated N-Gain value of 0.825 indicates a high level of improvement. These findings demonstrate that the training was effective in improving students' understanding of the structure of scientific papers, the use of AI as a writing support tool, and scientific literacy in general. The integration of AI technology into scientific writing training has the potential to become an innovative instructional approach for strengthening students' academic competencies in the digital era. The outcomes of this program help accelerate the adoption of digital technology in schools while encouraging the educational community to use AI ethically.

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