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All Journal Bulletin of Electrical Engineering and Informatics JUPITER (Jurnal Pendidikan Teknik Elektro) DIKEMAS (Jurnal Pengabdian Kepada Masyarakat) Journal of Robotics and Control (JRC) Jurnal E-Komtek Indonesian Community Journal Emitor: Jurnal Teknik Elektro Journal of Evrimata: Engineering and Physics
Rendi Pambudi Wicaksono
Politeknik Negeri Madiun
Aerospace Engineering Agriculture, Biological Sciences & Forestry Automotive Engineering Chemical Engineering, Chemistry & Bioengineering Chemistry Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Economics, Econometrics & Finance Education Electrical & Electronics Engineering Engineering Environmental Science Mechanical Engineering Public Health Social Sciences Other

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Linear quadratic regulator and pole placement for stabilizing a cart inverted pendulum system Mila Fauziyah; Zakiyah Amalia; Indrazno Siradjuddin; Denda Dewatama; Rendi Pambudi Wicaksono; Erni Yudaningtyas
Bulletin of Electrical Engineering and Informatics Vol 9, No 3: June 2020
Publisher : Institute of Advanced Engineering and Science

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1060.219 KB) | DOI: 10.11591/eei.v9i3.2017

Abstract

The system of a cart inverted pendulum has many problems such as  nonlinearity, complexity, unstable, and underactuated system. It makes this system be a benchmark for testing many control algorithm. This paper  presents a comparison between 2 conventional control methods consist of a linear quadratic regulator (LQR) and pole placement. The comparison  indicated by the most optimal steps and results in the system performance  that obtained from each method for stabilizing a cart inverted pendulum system. A mathematical model of DC motor and mechanical transmission are included in a mathematical model to minimize the realtime implementation problem. From the simulation, the obtained system performance shows that each method has its advantages, and the desired pendulum angle and cart position reached.
Rancang Bangun Large Format CoreXY 3D Printer Dengan Sistem Hot-swap Printhead Rendi Pambudi Wicaksono; Dirvi Eko Juliando Sudirman; Tio Prima Aditya; Salsabilaturrohmatin Nazida Ulfa; Much Kevin Fauzi Muqorrobin
JUPITER (JURNAL PENDIDIKAN TEKNIK ELEKTRO) Vol 8, No 2 (2023)
Publisher : Universitas PGRI Madiun

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25273/jupiter.v8i2.17674

Abstract

Dalam beberapa dekade terakhir, teknologi 3D Printer telah mengalami kemajuan signifikan, mengubah paradigma  proses manufaktur dan kreativitas. Salah satu tantangan terbesar yang terus dihadapi  dunia 3D Printer adalah ukuran cetakan yang dapat dihasilkan. Ukuran cetak yang lebih besar memungkinkan objek dicetak tanpa membaginya menjadi komponen-komponen yang lebih kecil, sehingga meningkatkan efisiensi produksi dan kualitas objek akhir. Selain itu, untuk meningkatkan fleksibilitas dan efisiensi saat menggunakan 3D Printer, integrasi sistem hot-swap printhead juga sangat penting. Sistem hot-swap printhead memungkinkan pengguna mengganti kepala cetak dengan mudah  tanpa perlu melakukan kalibrasi ulang. Pada penelitian ini, 3D Printer tipe CoreXY dipilih karena kualitas hasil cetak dan efisien waktu dalam pembuatan 3D modelling yang di hasilkan lebih efektif dan optimal. Kualitas obyek yang dihasilkan mesin ini cukup baik. Mesin dapat melakukan pencetakan dengan baik pada setiap sisi dari bidang cetak, dan juga dengan kecepatan yang bervariasi. Hasil pada percetakan dengan sistem hot-swap nozzle menggunkan nozzle 0,5mm dan 0,8mm sudah mendapatkan tingkat presisi ukuran yang sama menggunakan objek kubus kalibrasi dengan ukuran 40mm x 40mm x 40mm. Sistem hot-swap printhead dapat berjalan sesuai dengan yang diharapkan.
Inovasi Alat Otomatisasi Packing Produksi Temulawak untuk Meningkatkan Efisiensi dan Kapasitas di UMKM Sekar Temulawak Annisa Maulidia Damayanti; Dinda Ayu Permatasari; Donny Radianto; Qonitatul Hasanah; Rendi Pambudi Wicaksono; Zakiyah Amalia
I-Com: Indonesian Community Journal Vol 4 No 4 (2024): I-Com: Indonesian Community Journal (Desember 2024)
Publisher : Fakultas Sains Dan Teknologi, Universitas Raden Rahmat Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.70609/icom.v4i4.5793

Abstract

In an effort to enhance production efficiency and digital marketing at UMKM Sekar Temulawak, an innovation was introduced in the form of an automatic filtering and packaging machine alongside the application of digital marketing strategies. The machine was designed based on the partner's specific needs and tested on a limited scale, resulting in a 40% increase in packaging efficiency. Additionally, the research team collaborated with the partner to develop a website for digital marketing, which has been registered for Intellectual Property Rights (IPR). A Focus Group Discussion (FGD) was conducted to prepare the machine and draft the usage procedures and digital marketing strategy. This project provides a technology-based solution to help UMKM expand their market reach
An Infrared Emitter Driver Circuit of SAT for MILES Application Siradjuddin, Indrazno; Wahyu Aulia Nurwicaksana; Septyana Riskitasari; Gillang Al Azhar; Arief Rahman Hidayat; Rendi Pambudi Wicaksono
Journal of Evrímata: Engineering and Physics Vol. 02 No. 02, 2024
Publisher : PT. ELSHAD TECHNOLOGY INDONESIA

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.70822/journalofevrmata.v2i02.64

Abstract

This paper presents the design and simulation of an infrared emitter driver circuit for the MILES (Multiple Integrated Laser Engagement System) application. The circuit aims to efficiently drive a high-power IR emitter, maximizing output power while maintaining compatibility with low-power embedded systems (e.g., ESP32). Key design considerations include the selection of an appropriate IR diode emitter, driver circuit topology (utilizing a push-pull amplifier and low-side MOSFET driver for fast switching), pulse shaping techniques to optimize rise and fall times, and thermal management strategies. Simulation results demonstrate the effectiveness of the proposed design in achieving high power output (4.5W) with fast switching speeds and minimal ringing, suitable for MILES applications requiring precise and rapid IR LED control.
Pelatihan Penggunaan Mesin Hybrid 3D Printer dan Laser Engraving pada CV. Ayyasy Multi Usaha Wicaksono, Rendi Pambudi; Widyadharma, Andhika Putra; Sudirman, Dirvi Eko Juliando; Setyawan, Sulfan Bagus; Shahab, Dahris; Sartika, Dyah Anggun
DIKEMAS (Jurnal Pengabdian Kepada Masyarakat) Vol 9 No 1 (2025)
Publisher : Politeknik Negeri Madiun

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32486/dikemas.v9i1.843

Abstract

Industri manufaktur lokal menghadapi tantangan untuk terus berinovasi dan meningkatkan efisiensi guna bersaing dengan produk impor. Teknologi mesin hybrid 3D printer dan laser engraving memiliki potensi besar untuk mendukung upaya ini, dengan kemampuan meningkatkan produktivitas, akurasi, dan fleksibilitas produksi. Program pelatihan ini bertujuan untuk memperkenalkan dan melatih penggunaan mesin hybrid 3D printer dan laser engraving kepada CV. Ayyasy Multi Usaha, sebuah perusahaan manufaktur di Madiun. Melalui pelatihan ini, karyawan diharapkan dapat mengoperasikan mesin secara optimal, meningkatkan efisiensi dan kualitas produk, serta memperkuat daya saing perusahaan di pasar. Metode pelatihan meliputi pengenalan alat, praktik langsung penggunaan mesin, dan perawatan mesin. Hasil pelatihan menunjukkan peningkatan keterampilan teknis peserta dan potensi peningkatan efisiensi produksi di perusahaan. Program ini diharapkan dapat menjadi contoh untuk adopsi teknologi modern oleh usaha kecil dan menengah (UKM) dalam meningkatkan daya saing mereka di era industri 4.0..
Modeling and Control of an 8-Legged Stewart Platform Using Null-Space Control for Precise Motion Under Actuator Constraints Siradjuddin, Indrazno; Fitria, Ida Lailatul; Al Azhar, Gillang; Riskitasari, Septyana; Ronilaya, Ferdian; Wicaksono, Rendi Pambudi
Journal of Robotics and Control (JRC) Vol. 6 No. 4 (2025)
Publisher : Universitas Muhammadiyah Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.18196/jrc.v6i4.25920

Abstract

This paper investigates the modeling, control, and redundancy resolution of an 8-legged Stewart platform, emphasizing the use of null-space control to achieve precise trajectory tracking while adhering to actuator constraints. The proposed control framework combines a Proportional-Integral-Derivative (PID) controller with null-space projection to exploit the platform’s inherent redundancy for secondary objectives, such as singularity avoidance, energy optimization, and enhanced fault tolerance. A clamping strategy ensures that actuator lengths remain within operational limits, thereby preventing mechanical failures. Simulation results demonstrate significant error reduction in both position and orientation, even under strict actuator constraints. Specifically, the system achieved exponential convergence to the desired pose within 3 s, with a maximum position error of less than 1 × 10−3 m and orientation error below 5 × 10−4 rad. Actuator efficiency was also enhanced, as the algorithm dynamically redistributed efforts among actuators to avoid overloading any single leg. While energy consumption was not explicitly optimized in this study, the framework provides a foundation for future work in minimizing energy usage through advanced secondary objectives. Stability is analyzed rigorously using Lyapunov’s direct method. Compared to traditional six-legged platforms, the 8- legged design offers superior flexibility and adaptability, making it particularly suitable for applications in flight simulators, robotic surgery, and industrial automation where precision and reliability are critical. However, the proposed approach has certain limitations. For instance, the current implementation assumes ideal actuator dynamics and does not account for uncertainties such as friction, backlash, or external disturbances. Additionally, the clamping strategy may introduce computational overhead, potentially impacting real-time performance in highly dynamic scenarios. Future research could address these limitations by incorporating adaptive or robust control techniques and optimizing computational efficiency. This work advances the design and control of redundant parallel manipulators, offering practical insights into dealing with physical limitations and providing a foundation for future innovations in high-performance motion control systems.
Design and Performance Evaluation of an Energy Efficient Manure Shredder Pulverizer for Organic Fertilizer Production Damayanti, Annisa Maulidia; Amalia, Zakiyah; Permatasari, Dinda Ayu; Wicaksono, Rendi Pambudi; Hasanah, Qonitatul; Puspitasari, Etik
Emitor: Jurnal Teknik Elektro Vol 25, No 3: November 2025
Publisher : Universitas Muhammadiyah Surakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23917/emitor.v25i3.12977

Abstract

The growing demand for organic fertilizer calls for innovations in manure processing technology to enhance production efficiency and product quality. This study presents the design, fabrication, and performance evaluation of a prototype manure shredder–pulverizer that integrates dual shredding and pulverizing functions to accelerate the composting process and produce uniform particle sizes. The machine is powered by a 6.5 HP gasoline engine and tested using fresh goat manure with an average moisture content of approximately 70%. Performance evaluation focused on processing capacity, particle size distribution, specific energy consumption, and output homogeneity. The prototype achieved an average processing capacity of 96.4 kg/h, with more than 82.5% of the processed material passing through a 4 mm sieve and a dominant fraction of 2–4 mm (54.0%), which is ideal for composting. The specific energy consumption averaged 0.050 kWh/kg, lower than reported values for comparable small-scale biomass shredders. The homogeneity index consistently rated as Good, indicating stable particle size distribution across repeated trials. These findings demonstrate that the developed prototype provides a practical, energy-efficient, and low-cost solution for small-scale organic fertilizer production, supporting sustainable agricultural practices and reducing reliance on chemical fertilizers.
Modeling and Optimization of PET Filament Making Machine Control System Based on Response Surface Methodology Fauzi, Deni Nur; Kurniawan, Pradhana; Junaedi, Imam; Wicaksono, Rendi Pambudi; Mahardi, Nabila Bilqis
Jurnal E-Komtek (Elektro-Komputer-Teknik) Vol 9 No 2 (2025): (In Press)
Publisher : Politeknik Piksi Ganesha Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37339/e-komtek.v9i2.3017

Abstract

This study aims to model and optimize the control system of a PET filament making machine using Response Surface Methodology (RSM). Two main variables, namely extrusion temperature and winding speed, were analyzed through the Central Composite Design experimental design with the help of Design-Expert 13 software. A quadratic model was developed to predict the filament diameter, and the results of the analysis of variance showed that the model was statistically significant and able to represent the nonlinear relationship between variables. Optimization based on the desirability function produced optimum operating conditions at a medium temperature and winding speed range. Experiments showed that the combination of a temperature of 240–245 °C and a speed of 9–12 rpm produced a consistent filament diameter of 1.7 mm with 70–80% flexibility and a smooth surface.
Co-Authors Al Azhar, Gillang Amalia, Zakiyah Annisa Maulidia Damayanti Arief Rahman Hidayat Damayanti, Annisa Maulidia Deni Nur Fauzi Dewatama, Denda Dirvi Eko Juliando Sudirman Donny Radianto Erni Yudaningtyas Etik Puspitasari, Etik Fitria, Ida Lailatul Gillang Al Azhar Indrazno Siradjuddin Junaedi, Imam Kurniawan, Pradhana Mahardi, Nabila Bilqis Mila Fauziyah Much Kevin Fauzi Muqorrobin PERMATASARI, DINDA AYU Qonitatul Hasanah Qonitatul Hasanah Riskitasari, Septyana Ronilaya, Ferdian Salsabilaturrohmatin Nazida Ulfa Sartika, Dyah Anggun Sembiring, Rinawati Septyana Riskitasari Shahab, Dahris Sidik Nurcahyo Siradjuddin, Indrazno Sulfan Bagus Setyawan Tio Prima Aditya Wahyu Aulia Nurwicaksana Winarno, Totok Zakiyah Amalia Zakiyah Amalia