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All Journal International Journal of Power Electronics and Drive Systems (IJPEDS) JURNAL BISNIS STRATEGI PROtek : Jurnal Ilmiah Teknik Elektro Elektrika Indonesian Journal of Community Services
Jati, Budi Pramono
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Humanities Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Electrical & Electronics Engineering Energy Social Sciences

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MEMBANGUN HUBUNGAN JANGKA PANJANG MELALUI RASA PERCAYA DAN KOMITMEN PENGARUHNYA PADA KEUNGGULAN BERSAING (Studi Pada Outlet Selular PT Mobile-8 Telecom Tbk di Semarang) Jati, Budi Pramono
JURNAL BISNIS STRATEGI Vol 17, No 2 (2008): Desember
Publisher : Magister Manajemen, Fakultas Ekonomika dan Bisnis Undip

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (182.923 KB) | DOI: 10.14710/jbs.17.2.160-176

Abstract

Penelitian ini menganalisis strategi membangun hubungan jangka panjang dari rasa percaya melalui komitmen serta pengaruhnya pada keunggulan bersaing. Obyek penelitian ini adalah para pemilik outlet yang menjual produk PT Mobile-8 Tbk di Semarang. Permasalahan penelitian merujuk pada fenomena bisnis PT Mobile-8 Tbk Semarang. Permasalahan yang adalah : Bagaimana membangun hubungan jangka panjang melalui rasa percaya dan komitmen pengaruhnya pada keunggulan bersaing? Tujuan umum penelitian ini adalah untuk menganalisis proses membangun hubungan jangka panjang dari rasa percaya melalui komitmen serta pengaruhnya pada keunggulan bersaingVariabel yang digunakan adalah komunikasi, reputasi, rasa percaya, komitmen, hubungan jangka panjang, keunggulan bersaing. Selain sebuah kerangka pemikiran teoritis, penelitian ini merumuskan enam hipotesis. Penelitian ini menggunakan 175 responden dari kurang lebih 1740 outlet aktif. Analisis data menggunakan Structural Equation Model (SEM) dengan program Amos 16.Hasil penelitian menunjukkan bahwa komunikasi berpengaruh positip terhadap rasa percaya, reputasi berpengaruh positip terhadap rasa percaya, rasa percaya berpengaruh positip terhadap komitmen, komitmen berpengaruh positip terhadap hubungan jangka panjang, rasa percaya berpengaruh positip terhadap hubungan jangka panjang, hubungan jangka panjang berpengaruh positip terhadap keunggulan bersaing. Untuk meningkatkan keunggulan bersaing, hal yang perlu mendapat perhatian PT Mobile-8 Tbk Semarang adalah: frekuensi komunikasi, rasa percaya terhadap kewajiban yang dijanjikan perusahaan, keterbukaan perusahaan, reputasi yang baik, rasa percaya terhadap kewajiban yang dijanjikan perusahaan, keterbukaan perusahaan, kesetiaan penyalur pada perusahaan, fokus (kesamaan) tujuan jangka panjang.
Pemberdayaan Kelompok Tani Green House Desa Manggihan Getasan melalui Penerapan Smart Farming Menggunakan Energi Terbarukan Ismail, Munaf; Arifin, Bustanul; Nugroho, Agus Adi; Jati, Budi Pramono; Hapsari, Jenny Putri
Indonesian Journal of Community Services Vol 6, No 1 (2024): May 2024
Publisher : LPPM Universitas Islam Sultan Agung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30659/ijocs.6.1.8-15

Abstract

Mendasarkan kondisi objektif di daerah dan desa masih menunjukan banyaknya masalah dan tantangan dalam pelaksanaan pembangunan Desa Manggihan. Isue startegis yang harus segera diatasi adalah rendahnya produktivitas pertanian, infrastruktur desa belum memadai salah satunya penerangan listrik jalan umum belum menerangi semua jalan utama. Pendampingan dan penerapan teknologi smart green house perlu di disosialisaikan kepada masyarakat setempat, khususnya kelompok petani diberikan dalam bentuk workshop yang dilakukan bersama dosen dan mahasiswa untuk memberikan penjelasan lebih detil. Pendampingan dan penerapan teknologi  penyiraman otomatis dan sumber tenaga listrik dari energi terbarukan matahari (photovoltaic) akan meningkatkan kemandirian dan kesejahteraan Desa Manggihan masyarakat umum, masyarakat yang bergerak dalam bidang pertanian. Tim pengabdian masyarakat UNISSULA bekerjasama dengan mitra kelompok tani Mulyo Langgeng Desa Manggihan kabupaten Semarang, telah berhasil mengurangi pengeluaran operasional kelompok tani sebesar 50%. Selain itu juga meningkatkan hasil pertanian masyarakat Desa Manggihan dengan penerapan teknologi photovoltaic.Based on objective conditions in the regions and villages, there are still many problems and challenges in implementing the development of Manggihan village. Strategic problems that must be addressed immediately include low agricultural productivity, inadequate village infrastructure, one of which is that electric lighting on public roads does not illuminate all main roads. Assistance and application of smart green-house technology needs to be socialized to the local community, especially farmer groups in the form of workshops conducted with lecturers and students to provide more detailed explanations. Assistance and application of automatic watering technology and electrical power sources from renewable solar energy (photovoltaic) will increase the independence and welfare of the Manggihan village community in general, communities engaged in agriculture. The UNISSULA community service team in collaboration with partner farmer group Mulyo Langgeng, Manggihan village, Semarang district, succeeded in reducing the farmer group's operational costs by 50%. Apart from that, it also increases the agricultural output of the Manggihan village community by implementing photovoltaic technology.
Literasi Sistem Audio melalui Revitalisasi, Pembenahan dan Optimisasi Audio di Masjid At-Taqwa Srondol Bumi Indah Jati, Budi Pramono; Nugroho, Dedi; Widihastuti, Ida
Indonesian Journal of Community Services Vol 6, No 2 (2024): November 2024
Publisher : LPPM Universitas Islam Sultan Agung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30659/ijocs.6.2.108-118

Abstract

Masjid merupakan bangunan yang penting bagi umat Muslim. Bangunan ini digunakan sebagai sarana bagi umat muslim untuk beribadah sehari-hari. Kebutuhan dalam masjid dapat dirangkum dalam tiga bagian, yaitu bagaimana suara Imam sholat dapat terdengar oleh jamaah (audibility), khutbah dapat dikenali dengan baik, dan mendengarkan bacaan Al Qur’an, meskipun terkadang juga digunakan untuk keperluan yang berkaitan dengan audio. Masjid At-Taqwa RW 05 di perumahan Srondol Bumi Indah yang sudah  digunakan selama 28 tahun tentunya juga sudah mengalami peningkatan/ renovasi fasilitas bangunan hal ini berdampak  untuk system Audionya juga ingin ditingkatakn kualitasnya. Penelitian pengabdian Masyarakat melakukan kegiatan penataan system Audio dalam kegiatan Revitalisasi, Pembenahan dan Optimalisasi Sistem Audio untuk meningkatkan pelayanan dan kenyamanan kepada jamaah masjid. Adapun kegiatan yang dilakukan Penataan kembali letak, ketinggian, arah, kemiringan speaker supaya lebih optimal, menggunakan  simulasi level coverage suara.serta merepair beberapa peralatan yang rusak serta mengganti peralatan jika sudah tidak dapat diperbaiki.The mosque is an important building for Muslims. This building is used as a place for Muslims to worship on a daily basis. The needs in the mosque can be summarized in three parts, namely how the voice of the prayer leader (Imam) can be heard by the congregation (audibility), the sermon can be clearly understood, and listening to the recitation of the Quran, although sometimes it is also used for audio-related purposes. Masjid At-Taqwa RW 05 in the Srondol Bumi Indah housing complex, which has been in use for 28 years, has certainly undergone improvements/renovations to the building facilities, which has also impacted its audio system and there is a desire to improve its quality. The Community Service research involves activities to arrange the audio system in the Revitalization, Improvement, and Optimization of the Audio System to enhance the service and comfort for the mosque's congregation. The activities include rearranging the placement, height, direction, and tilt of the speakers for optimal performance, using simulations to determine the sound coverage level, as well as repairing some damaged equipment and replacing equipment that can no longer be repaired.
Arduino Nano Based SPWM (Sine Pulse Wide Modulation) Single Phase DC to AC Inverter jati, budi pramono; Hapsari, Jenny Putri
PROtek : Jurnal Ilmiah Teknik Elektro Vol 12, No 3 (2025): Protek : Jurnal Ilmiah Teknik Elektro
Publisher : Program Studi Teknik Elektro Universitas Khairun

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33387/protk.v12i3.8615

Abstract

In off grid photovoltaic systems, the DC voltage from PV or batteries must be converted into a sinusoidal AC voltage that matches the AC voltage at home. The problem is that inverters available on the market are expensive. The problem can be solved by making your own SPWM (Sine Pulse Wide Modulation) inverter. This paper discusses the solution to this problem is with making a single-phase SPWM DC to AC inverter with Arduino nano, MOSFET driver IR2110, with full bridge MOSFET with LC filter and step up transformer. Existing Research Objectives, when compared with previous researchers, the existing research gap is that they use half bridge switching, while our research uses full bridge switching. The method used is a single-phase SPWM inverter with a full-bridge MOSFET in the form of design (hardware and software) and testing of AC output voltage, output power, frequency, calculating efficiency. The SPWM inverter section consists of: SPWM signal generator with Arduino nano, Arduino sketch software, MOSFET driver, full-bridge MOSFET switching inverter, LC filter, step up transformer, feedback transformer, SMPS variable voltage power supply. This single phase SPWM inverter is made using 8 pieces of 171A 150V MOSFET, the test results show that when the dc voltage is changed between 21Vdc to 30Vdc the output ac voltage is around 219 Vac to 228Vac, the frequency of the inverter is also stable at 50 Hz, with an average efficiency of 88.36%.
Variable frequency drive based on full-bridge class D for single-phase induction motor Jati, Budi Pramono; Hapsari, Jenny Putri; Haddin, Muhamad; Prasetyowati, Sri Arttini Dwi
International Journal of Power Electronics and Drive Systems (IJPEDS) Vol 16, No 3: September 2025
Publisher : Institute of Advanced Engineering and Science

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.11591/ijpeds.v16.i3.pp1701-1710

Abstract

The issue with induction motors lies in speed regulation, which can be addressed by adjusting the motor voltage; however, this affects torque. In contrast, a variable frequency drive (VFD) changes the motor frequency while maintaining a constant voltage. A VFD controller with constant sinusoidal voltage and adjustable frequency can be implemented using an Arduino and a class D full-bridge MOSFET amplifier inverter. This paper discusses the electronic speed control (ESC) of induction motors using VFD regulation, demonstrating how changes in frequency affect motor speed. The system involves an induction motor controlled by a VFD comprising three main components: an AC-to-DC converter, a class-D full-bridge MOSFET inverter, and a variable-frequency sinusoidal signal source. VFDs operate with constant voltage and variable frequency. This method includes the design and testing of VFD hardware and software. The VFD components include: a class-D full-bridge switching inverter, a sinusoidal signal frequency generator (30–70 Hz), an Arduino with custom software, an SMPS power supply, and a step-up transformer. The results indicate that the class-D full-bridge inverter can effectively regulate motor speed through VFD control. The motor speed is almost directly proportional to the frequency: at 30 Hz, the speed is 860 RPM; at 50 Hz, 1472 RPM; and at 70 Hz, 2035 RPM.
ESC PWM Fullbridge Motor DC Berbasis Arduino jati, budi pramono; Hapsari, Jenny Putri
PROtek : Jurnal Ilmiah Teknik Elektro Vol 12, No 1 (2025): Protek : Jurnal Ilmiah Teknik Elektro
Publisher : Program Studi Teknik Elektro Universitas Khairun

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33387/protk.v12i1.5374

Abstract

The problem with DC motors is speed regulation, adjusted to the needs in the field. The speed of a DC motor can be changed by adjusting the motor voltage. To overcome this, the motor voltage is regulated using Pulse Wide Modulation (PWM). PWM works by changing the duty cycle of the voltage in the form of pulses so that the average voltage can be changed. The solution is to use an Electronic Speed Control (ESC) controller where the pulse voltage duty cycle is realized using a variable PWM generator using an Arduino which is fed to a fullbridge MOSFET inverter. This paper discusses a DC motor ESC using PWM with a full bridge which is used for the inverter process, the aim is to prove the effect of voltage changes on the speed of a DC motor. The model is specified as a DC motor controlled with a fullbridge PWM inverter. PWM ESC consists of three main parts, namely AC to DC converter, fullbridge mosfet inverter, PWM variable signal source. The parameters determined are: change in duty cycle of the square wave signal. The method used is fullbridge PWM in the form of manufacturing design (hardware and software) and testing of DC motor speed controllers with PWM. The ESC parts consist of: fullbridge switching inverter, PWM signal generator, Arduino, Arduino sketch software, SMPS power supply. The ESC is built using 8 130A 200V MOSFETs, with a duty cycle varying from 0 -100%. 
Optimasi Kualitas Jaringan WLAN Berdasarkan Coverage Area dan Jumlah Pengguna di Fakultas Teknologi Industri UNISSULA Jatmiko, Destra Kurniatama; Jati, Budi Pramono; Hapsari, Jenny Putri
Elektrika Vol. 13 No. 1 (2021): April 2021
Publisher : Universitas Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26623/elektrika.v13i1.2989

Abstract

WLAN is a wireless telecommunications network in the process of distributing data or information. This network is easier and economical to build because without having to do the design of cable lines and no need for cables as devices. In the main building of the Faculty of Industrial Technology UNISSULA already has a WLAN network, but there are blankspots in several areas. The layout and number of Access Points (AP) greatly affect the quality of the WLAN signal, besides the number of users. Optimization is done by comparing the number of AP exiting with the number of APs based on the coverage area and number of users. The parameters used for network quality are signal strength more than -75 dBm and Signal to Noise Ratio (SNR) of more than 25 dB. Retrieval of existing network quality data with walktest method using the Ekahau Site Survey software. The quality of signal strength and SNR based on the coverage area is calculated using the COST 231 Multiwall method, while those based on the number of users are calculated using the ratio of Airtime per Device (APD) to Number of Device (NoD). The next step, simulating the AP layout using the Ekahau Site Survey software. The research concluded that each floor only requires 2 pieces AP. The percentage value of signal strength> -75 dBm after optimization is 86%, 89.8%, and 87.4% for floors 1, 2, and 3 respectively. While the SNR percentage values> 25 dB after optimization are 81.1%, 86.3%, and 84.5% for floors 1, 2, and 3 respectively.  
Co-Authors Bustanul Arifin Dedi Nugroho Hapsari, Jenny Putri Ida Widihastuti Jatmiko, Destra Kurniatama Muhamad Haddin Munaf Ismail, Munaf Nugroho, Agus Adi Sri Arttini Dwi Prasetyawati