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All Journal Jurnal Litbang Kota Pekalongan Teknika Sains : Jurnal Ilmu Teknik Muria Jurnal Layanan Masyarakat Journal of Community Empowerment Jurnal Pengabdian KOLABORATIF Journal of Community Empowerment TEKNOSAINS: Jurnal Sains, Teknologi dan Informatika
Satria Pinandita
Universitas Semarang
Agriculture, Biological Sciences & Forestry Humanities Civil Engineering, Building, Construction & Architecture Computer Science & IT Education Electrical & Electronics Engineering Engineering Environmental Science Mechanical Engineering Public Health Social Sciences Transportation

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STUDI PENANGANAN GENANGAN BANJIR DAN ROB SUNGAI MEDURI-BREMI KOTA PEKALONGAN Edy Susilo; Hani Purwanti; Satria Pinandita
JURNAL LITBANG KOTA PEKALONGAN Vol. 20 No. 2 (2022)
Publisher : Badan Perencanaan Pembangunan, Penelitian dan Pengembangan Daerah (Bappeda) Kota Pekalongan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.54911/litbang.v20i2.224

Abstract

Floods and droughts are a problem in most parts of Indonesia. The cause is suspected to be due to changes in land use from an open green land to land covered by buildings. As a result, water infiltration into the soil decreases, and runoff increases. This condition will be overcome by increasing the infiltration of water into the soil. Various attempts have been made using recharge wells and biopores. However, due to the small capacity of the infiltration equipment, it has not been able to overcome the problem of inundation and flooding. Horizontal Recharge Pipe (HRP) with perforated walls has a very large infiltration. The watersheds of the Meduri and Bremi Rivers, which are located in the western part of Pekalongan, are areas that frequently experience inundation and flooding. The results of the analysis of rain data showed that the planned return periods of 2 years, 5 years, 10 years, 25 years, and 50 years respectively for the Meduri watershed were 106.33 mm, 146.98 mm, 172.05 mm, 200.40 mm, and 219.73 mm. As for the Bremi DAS, it is 104.84 mm, 147.62 mm, 173.11 mm, 200.38 mm, 217.98 mm, 233.47 mm, and 247.93 mm. The design flood is calculated using the Gama-1, ITB-1, ITB-2, and Nakayasu methods. With a flow coefficient of 0.455 for the Meduri watershed and 0.439 for the Bremi watershed, the flood discharge plan for the Gama-1 method with return periods of 2 years, 5 years, 10 years, 25 years, and 50 years respectively for the Meduri River is 34.36 m3/sec, 47.49 m3/s, 55.59 m3/s, 64.75 m3/s, and 71.00 m3/s. While the planned discharge of the Gama-1 method for the Bremi River is 49.97 m3/s, 70.36 m3/s, 82.51 m3/s, 95.51 m3/s, 103.61 m3/s, 111.28 m3/s, and 118.17 m3/s. In the LWL condition, it does not rain, and the capacity of the river is sufficient while in the LWL condition and it rains some of the river sections overflows. There are several options for handling this flood, namely A. Motion weirs, ponds, and parapet normalization; B. Dams, ponds, parapet normalization, pumps, and HRP; C. Normalization, parapet, and HRP. Of the three options, it is recommended to choose option C depending on budget availability with the following considerations: low cost, environmentally friendly, increasing groundwater availability, reducing land subsidence, and preventing seawater intrusion, as well as lower operational costs.  Keywords: Flood, horizontal recharge pipe, reduction, pump, land use change
Analisa Efisiensi Alat Pendingin Bermesin Dual Energi Untuk Penanganan Pasca Panen Satria Pinandita; Supari Supari; Diah Aryati Puji Lestari; Andhy Tri Adriyanto; Jonathan Anugrah Lase
TEKNIKA SAINS Vol 8, No 1 (2023): TEKNIKA SAINS
Publisher : Universitas Sang Bumi Ruwa Jurai

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24967/teksis.v8i1.2132

Abstract

Energi listrik dikatakan sebagai kebutuhan pokok bagi masyarakat pada zaman globalisasi sekarang. Akan tetapi tingkat kebutuhan Energi listrik masyarakat yang semakin tinggi ini nampaknya menimbulkan berbagai permasalahan baru seperti efisiensi biaya tagihan listrik. Pada penelitian ini bertujuan menganalisa efisiensi generator flywheel dual energi berbeban. Alat dan bahan yang dibutuhkan dalam penelitian ini : 2 buah Generator 1kW, Motor listrik 3 phase 1 Hp, Inverter 220 V To 380 V, Automatic Transfer Switch (ATS), Flywheel 60 Kg, Fanbelt, dan Pulley. Hasil dari penelitian ini yaitu pembangkit dual energi terdiri dari motor listrik sebagai penggerak dengan spesifikasi daya 1 HP, tegangan 380 V, arus 2 A, dan kecepatan putaran 1390 rpm,  flywheel yang berfungsi sebagai penyimpanan energi dengan massa 60 kg dan diameter 50 cm dan generator berfungsi sebagai penghasil energi listrik dengan spesifikasi  daya 1 kW, tegangan 220 volt, arus 4,8 A, dan kecepatan putaran 2890 rpm. Generator dapat menghasilkan tegangan sesuai spesifik 226 volt dengan menggunakan diameter pulley pada flywheel sebesar 50 cm. Selain itu, generator dapat menghasilkan momen inersia sebesar 7,5 Kg m2. Daya yang dapat dihasilkan generator dalam kondisi stabil atau tidak ada perubahan adalah sebesar 2.990 Watt atau 2,9 kW dengan efisiensi dari generator dual energi sebesar 20%, dengan beban.
Pelatihan Pengolahan Limbah Minyak Jelantah Menjadi Produk Bernilai Ekonomis Guna Mendukung Zero Waste Satria Pinandita; Supari Supari; Andhy Tri Adriyanto; Yuliyanto Budi Setiawan
Journal of Community Empowerment Vol 3 No 2 (2023): Journal of Community Empowerment
Publisher : Universitas Negeri Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15294/jce.v3i2.74915

Abstract

Abstrak. Penggunaan minyak goreng masyarakat desa Pertaharjo Kelurahan Tambakharjo terus meningkat. Namun pada saat ini harga minyak goreng melambung tinggi dan mengakibatkan adanya keinginan untuk menggunakan minyak goreng bekas (minyak jelantah) secara terus menurus. Padahal penggunaan minyak jelantah kurang baik bagi kesehatan. Sedangkan pembuangan minyak jelantah menyebabkan pencemaran lingkungan. Oleh karena itu diperlukan penanganan limbah minyak jelantah dengan baik. Salah satunya mengolah limbah minyak jelantah menjadi produk bernilai tinggi untuk mendukung zero waste. Tujuan kegiatan pengabdian kepada masyarakat ini yaitu memberikan pemahaman dan pelatihan pengolahan limbah minyak jelantah menjadi produk bernilai tinggi guna mendukung zero waste di Dapur Pertaharjo Kelurahan Tambakharjo. Sasaran dari kegiatan ini adalah 30 ibu-ibu kelompok UMKM. Adapun kegiatan pengabdian kepada masyarakat menggunakan metode diskusi, pelatihan dan pendampingan langsung (praktik). Diharapkan pelatihan-pelatihan dalam pengolahan limbah rumah tangga terutama minyak jelantah dapat menambah pengetahuan, wawasan, kreativitas dan menambah kesadaran akan kebersihan serta dapat mengetahui bahaya penggunaan minyak jelantah bagi kesehatan dan lingkungan. Berdasarkan hasil kegiatan pengabdian yang telah dilakukan, menunjukkan mayoritas peserta memberikan respons yang baik dan berpartisipasi secara langsung dalam pembuatan lilin aroma terapi, lilin, cetakan lilin dari semen putih, pupuk organik dan sabun padat, serta menghasilkan produk yang dapat bernilai ekonomi dan bernilai jual tinggi. Abstract. The use of cooking oil in Pertaharjo village, Tambakharjo Village, continues to increase. However, at this time the price of cooking oil soared and resulted in the desire to use used cooking oil (used cooking oil) continuously decreased. Though the use of used cooking oil is not good for health. While the disposal of used cooking oil causes environmental pollution. Therefore, it is necessary to handle used cooking oil waste properly. One of them is processing used cooking oil waste into high-value products to support zero waste. The purpose of this community service activity is to provide understanding and training on processing used cooking oil waste into high-value products to support zero waste in Dapur Pertaharjo, Tambakharjo Village. The target of this activity is 30 mothers of MSME groups. The community service activities use discussion, training and direct mentoring methods (practice). It is hoped that trainings in household waste treatment, especially used cooking oil, can increase knowledge, insight, creativity and increase awareness of cleanliness and can find out the dangers of using used cooking oil for health and the environment. Based on the results of the service activities that have been carried out, it shows that the majority of participants gave a good response and participated directly in making aroma therapy candles, candles, wax molds from white cement, organic fertilizer and solid soap, as well as producing products that can be of economic value and high selling value.
Analysis of speed using optocoupler sensors on electric boats in Sayung Demak Aisa Fitriani Dwi Maharani; Supari; Satria Pinandita
TEKNOSAINS : Jurnal Sains, Teknologi dan Informatika Vol 11 No 2 (2024): TEKNOSAINS: Jurnal Sains, Teknologi dan Informatika
Publisher : LPPMPK- Universitas Muhammadiyah Cileungsi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37373/tekno.v11i2.1028

Abstract

In the Indonesian archipelago, boats play a major role in people's daily mobility. In the realm of transportation, especially on sea vessels, it is crucial to keep an eye on the circumstances and state of affairs when traveling long distances. The objective of this study is to use an optocoupler sensor based on the Internet of Things (IoT) and a real-time monitoring technique to track the speed of an electric boat. This instrument can be tested using three different treatments: low-level gas, medium-level gas, and high-level gas with five repetitions. Motor speed was measured at 938 Rpm with a Knot difference of 0.7 utilizing XSpeed and an optocoupler sensor for low-speed measurements. Using an optocoupler sensor and XSpeed, the medium speed tests yielded a motor speed of 1205.6 Rpm and a Knot difference of 1.7. Using an optocoupler sensor and XSpeed, high-speed measurements yielded a motor speed of 1985.4 Rpm and a Knot difference of 1.2. Because the Blynk application may display data of both boat speed and motor rotational speed, readings obtained from the optocoupler sensor yield higher accuracy than those obtained from the comparison application XSpeed
Penerapan BMS pada Baterai Lithium-ion Sebagai Balancing Pengisian dari Panel Surya pada Siswa SMKN 1 Tengaran Yusuf Nurul Hilal; Satria Pinandita; Ery Sadewa
Muria Jurnal Layanan Masyarakat Vol. 6 No. 1 (2024): Maret 2024
Publisher : Universitas Muria Kudus

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24176/mjlm.v6i1.12356

Abstract

The 18650 type lithium-ion battery is the type of battery most widely used in today's era, such as in electric cars, electric saws, electric drills and many more. This battery was chosen because it has stable performance, is more environmentally friendly and has a longer service life compared to other types of batteries. However, in use, lithium-ion batteries cannot stand alone, these batteries require an additional circuit, namely the BMS (battery management system), which functions to protect the battery from over charging, over discharging, short and over temperature, so that it is safe to use. Community service was carried out at SMKN 1 Tengaran, Semarang Regency, by providing material and training regarding the use of BMS on lithium-ion batteries by charging them using solar panels. This training was carried out for 3 hours with a total of 30 students, starting from delivering the material to direct practice.
SmartHydra Twin Flow Maintenance Training for Sustainable Clean Water Supply in Tlahap Village, Temanggung, Indonesia Satria Pinandita; Putra Anas Ashari; Erwin Erlangga; Yani Aji Susilo
Journal of Community Empowerment Vol. 6 No. 1 (2026): Journal of Community Empowerment
Publisher : Universitas Negeri Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15294/jce.v6i1.59315

Abstract

Tlahap Village in Temanggung Regency continues to experience clean water shortages, particularly in higher-elevation areas inhabited by approximately 280 households. The SmartHydra Twin Flow system, comprising two hydraulic ram pumps and a stabilizer tube, was developed to lift water up to 190 meters without electricity or fuel. This community service program aimed to strengthen residents’ knowledge and practical skills in operating, maintaining, and repairing the system. Hybrid training was conducted on July 3, 2026, using actual discharge measurements recorded in June 2025 (133 L/s) and October 2025 (34.3 L/s at the principal intake and 1.72 L/s at the overflow). Following theoretical instruction and hands-on practice, participants could distinguish mechanical faults from seasonal reductions in water availability, select appropriate pump configurations, and perform routine maintenance and minor repairs. A local management team was also established. These outcomes strengthened community capacity to operate the system independently and support a sustainable clean water supply in Tlahap Village.
Pelatihan Instalasi dan Troubleshooting Sistem Audio untuk Pengurus Mushola Aljabbar Desa Tawangrejo Winong Kabupaten Pati Fahrudin Ahmad; Supari; Agus Margiantono; Satria Pinandita
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.v4i1.13262

Abstract

This community service program was conducted to enhance the technical abilities of the management team of Mushola Aljabbar, Tawangrejo, Pati regency, in operating and maintaining the audio system used for religious and social activities. The main problems identified include limited knowledge of audio installation, insufficient understanding of maintenance procedures, and difficulties in handling minor technical issues. The program employed a participatory training method that consisted of theoretical sessions, hands-on installation practice, maintenance activities, and troubleshooting simulations. Participants also took pre-test and post-test evaluations. The results indicate a significant improvement in participants’ competencies, demonstrated by an average score increase of 39.16%. Participants were able to perform basic installation, conduct routine maintenance, and independently solve common technical problems. This program had a positive impact on improving audio quality in the mushola and increasing the management’s self-reliance. Continuous training is recommended to ensure adaptability to technological developments in audio systems.
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.
Co-Authors Agus Margiantono Aisa Fitriani Dwi Maharani Andhy Tri Adriyanto Andhy Tri Adriyanto Diah Aryati P.L Edy Susilo Erwin Erlangga Ery Sadewa Fahrudin Ahmad Hani Purwanti Jonathan Anugrah Lase Putra Anas Ashari Supari Supari, Supari Yani Aji Susilo Yuliyanto Budi Setiawan Yusuf Nurul Hilal