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INDONESIA
Indonesian Journal of Innovation Studies
Published by Universitas Muhammadiyah Sidoarjo
ISSN : -     EISSN : 25989936     DOI : https://doi.org/10.21070/ijins.v17i
Core Subject : Science, Education, Social, Engineering,
Computer Science & IT Education Engineering Law, Crime, Criminology & Criminal Justice
Indonesian Journal of Innovation Studies (IJINS) is a peer-reviewed journal published by Universitas Muhammadiyah Sidoarjo four times a year. This journal provides immediate open access to its content on the principle that making research freely available to the public supports a greater global exchange of knowledge.This journal aims is to provide a place for academics and practitioners to publish original research and review articles. The articles basically contains any topics concerning new innovation on all aspects. IJINS is available in online version. Language used in this journal is Indonesia or English.
Arjuna Subject : Umum - Umum
Articles 981 Documents
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Revolutionizing Welding Ergonomics to Mitigate Musculoskeletal Risks: Merevolusi Ergonomi Pengelasan untuk Mengurangi Risiko Muskuloskeletal Isma Putra, Boy; Khatamy, Mohammad Reza
Indonesian Journal of Innovation Studies Vol. 25 No. 4 (2024): October
Publisher : Universitas Muhammadiyah Sidoarjo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21070/ijins.v25i4.1187

Abstract

This study examines ergonomic challenges faced by welders at CV. Frontec Agritama Engineering, focusing on catwalk welding. Using Rapid Entire Body Assessment (REBA) and Quick Exposure Check (QEC), ergonomic risks were evaluated. Results showed high-risk levels, urging immediate interventions. Proposed solutions include ergonomic workstations to reduce musculoskeletal injuries. This research contributes to workplace safety and productivity in manufacturing. Highlight: REBA and QEC methods assess ergonomic risks comprehensively. Welding activities pose significant musculoskeletal risks. Proposed ergonomic workstations enhance safety and productivity. Keywoard: Ergonomics, Welding, Manufacturing, Musculoskeletal Risks, Workplace Safety
Overcoming Quality Control Challenges in Car Exhaust Manufacturing: Mengatasi Tantangan Kontrol Kualitas dalam Pembuatan Knalpot Mobil Setiono, Moch. Agung; Cahyana , Atikha Sidhi
Indonesian Journal of Innovation Studies Vol. 25 No. 4 (2024): October
Publisher : Universitas Muhammadiyah Sidoarjo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21070/ijins.v25i4.1188

Abstract

PT. XYZ, a manufacturer of car exhaust components, faces significant defect-related challenges, impacting productivity and market competitiveness, particularly in Europe. Over six months, 3.18% of 184,708 produced components were defective. This study aims to determine the sigma level of quality control and identify root causes of defects using the Six Sigma DMAIC method and Root Cause Analysis (RCA). Observations and interviews revealed human error, machine issues, improper methods, substandard materials, and environmental factors as key contributors to defects. The sigma level was found to be 4, indicating suboptimal quality control. Recommendations for improvement include SOP development, operator training, standardized production methods, regular machine maintenance, and 5S organizational practices. Implementing these could reduce defects and improve productivity. Highlight: Defect Rate: 3.18% in 184,708 components. Sigma Level: Evaluated at level 4. Improvements: Implement SOPs, training, maintenance, 5S practices. Keyword: Quality Control, Six Sigma, Root Cause Analysis, Manufacturing, Car Exhaust Components
Reducing Production Defects in Indonesian Furniture Using Seven Tools and 5W+1H: Mengurangi Cacat Produksi pada Furnitur Indonesia dengan Menggunakan Tujuh Alat dan 5W+1H Burhanudin, Asrul; Cahyana, Atikha Sidhi
Indonesian Journal of Innovation Studies Vol. 25 No. 4 (2024): October
Publisher : Universitas Muhammadiyah Sidoarjo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21070/ijins.v25i4.1189

Abstract

PT. Romi Violeta, an Indonesian furniture company specializing in rattan and wood products, faces frequent production defects. This study aims to identify and reduce these defects using the Seven Tools and 5W+1H methods. Qualitative data were obtained through field observations and interviews, while quantitative data were gathered using the Seven Tools approach. From February to June 2022, color variation was the most frequent defect, with the highest defect rate in March at 26.5%. Root causes included factors related to man, material, machine, method, and environment. The proposed corrective actions aim to minimize these defects, enhancing overall product quality. Future research should explore additional defect causes using different methodologies. Highlight: Defect Analysis: Identified color variation as the most frequent defect. Root Causes: Man, material, machine, method, and environment factors. Corrective Actions: Proposed solutions to minimize defects and enhance quality. Keywoard: Production defects, Seven Tools, 5W+1H, quality improvement, furniture manufacturing
Prioritizing Maintenance Strategies for Efficient Forklift Performance Through Failure Analysis: Memprioritaskan Strategi Perawatan untuk Kinerja Forklift yang Efisien Melalui Analisis Kegagalan Rizky, Naufal; Sulistiyowati, Wiwik
Indonesian Journal of Innovation Studies Vol. 25 No. 4 (2024): October
Publisher : Universitas Muhammadiyah Sidoarjo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21070/ijins.v25i4.1190

Abstract

This study addresses forklift maintenance challenges at PT. Karya Mitra Teknik, focusing on undisciplined operators and overuse issues. Using Failure Mode And Effect Analysis (FMEA) and Fault Tree Analysis (FTA), it identifies root causes and suggests improvements. Data collected through observations, interviews, and flow diagrams pinpoint three priority failure modes: radiator, starter dynamo, and oil flow failure. Recommendations emphasize regular maintenance, cleanliness, and enhanced operational practices for effective issue mitigation. Highlight: Root Cause Analysis with FMEA and FTA. Prioritizing Critical Failure Modes. Recommend Disciplined Maintenance for Operational Enhancements. Keyword: Forklift Maintenance, Root Cause Analysis, Improvement Recommendations, FMEA, FTA
Transforming Tablet Production in Indonesia with 66% Faster Manufacturing: Mengubah Produksi Tablet di Indonesia dengan Manufaktur 66% Lebih Cepat Yus’Ady, Tiva Hendra; Sulistiyowati, Wiwik
Indonesian Journal of Innovation Studies Vol. 25 No. 4 (2024): October
Publisher : Universitas Muhammadiyah Sidoarjo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21070/ijins.v25i4.1191

Abstract

This study addresses the high production costs of tablet products at PT. XYZ, a pharmaceutical company in Indonesia, due to long cycle and takt times. Using Causal Branching and KATA methods, data were collected over eight months through observations, interviews, and quantitative analysis. The study achieved a 43% reduction in reject foils from destripping, a 40% decrease in total cycle time, and a 66% reduction in takt time. These results highlight effective strategies for optimizing manufacturing processes and reducing costs in the pharmaceutical industry. Highlights: Cost Reduction: 43% reject foils, 40% cycle time reduction. Methodology: Used Causal Branching and KATA for problem-solving. Data Collection: Eight-month study with observations, interviews, quantitative analysis. Keywords: Tablet production, Cycle time reduction, Takt time optimization, Causal Branching, KATA method
Seamless Solar-Powered Hydroponics Revolutionizes Urban Farming in Indonesia: Hidroponik Bertenaga Surya Tanpa Batas Merevolusi Pertanian Perkotaan di Indonesia Muchtarom, Alfin; Jamaluddin, Jamaluddin
Indonesian Journal of Innovation Studies Vol. 25 No. 4 (2024): October
Publisher : Universitas Muhammadiyah Sidoarjo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21070/ijins.v25i4.1192

Abstract

This study explores the use of PLTS (solar power) as an alternative energy source for urban hydroponic systems. Due to PLTS's limited capacity, an automatic transfer switch (ATS) is utilized to seamlessly switch between PLTS and PLN (public electricity) based on sensor readings. The system uses an INA219 sensor to monitor PLTS voltage, a TDS sensor for water quality, and a NodeMCU microcontroller, with data displayed on an LCD and Blynk for remote monitoring. Testing showed a PLTS voltage of 12.0V, with sensor accuracies of 96% (INA219) and 98.59% (TDS). Overall, the system demonstrated reliable and optimal performance, providing a sustainable solution for urban hydroponic farming. Highlights: 1. PLTS and PLN integration ensures reliable power for urban hydroponics.2. High sensor accuracy supports precise system monitoring.3. Remote monitoring via LCD and Blynk enhances control and sustainability. Keywords: PLTS, hydroponic systems, automatic transfer switch, NodeMCU, sustainability
Unveiling the Potential of Friction Stir Welding for Seamless Metal Joining: Mengungkap Potensi Pengelasan Aduk Gesekan untuk Penyambungan Logam Tanpa Batas Rahmadan, Dicky Fajar; Mulyadi
Indonesian Journal of Innovation Studies Vol. 25 No. 4 (2024): October
Publisher : Universitas Muhammadiyah Sidoarjo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21070/ijins.v25i4.1194

Abstract

Friction Stir Welding (FSW) has revolutionized metal joining in manufacturing by offering robust joints without defects. This study examines FSW using specific parameters and evaluates its impact on mechanical properties and microstructure. Through rotational speed (2192 RPM), welding speed (36.3 mm/minute), tool tilt (3.4°), and concave shoulder angle (9°), FSW was applied to predetermined metal materials. Impact and Vickers tests were conducted post-welding to assess toughness, surface hardness, and microstructural changes. Results highlight the significant influence of FSW parameters on material properties, providing insights for optimizing efficiency and quality in the manufacturing industry. The study's findings contribute to addressing knowledge gaps and advancing FSW applications in industrial settings. Highlight: Precise Parameters: Control for strong joints in manufacturing. Toughness Evaluation: Assessing joint resilience under dynamic loads. Industry Optimization: Enhancing efficiency and quality in metal joining processes. Keywoard: FSW, Manufacturing, Mechanical Properties, Optimization, Impact Testing
Arduino Sensors Reveal Temperature-Driven Compression Fluctuations in Vehicle Engines: Sensor Arduino Mengungkap Fluktuasi Kompresi yang Didorong oleh Suhu pada Mesin Kendaraan Fikroh, Ubaidillah; Syahrorini , Syamsudduha
Indonesian Journal of Innovation Studies Vol. 25 No. 4 (2024): October
Publisher : Universitas Muhammadiyah Sidoarjo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21070/ijins.v25i4.1195

Abstract

Many modern vehicles suffer from engine trouble due to decreased compression pressure, necessitating a simple and efficient measurement tool. This study develops an Arduino-based device to measure engine compression and temperature using a pressure sensor in the spark plug location and a temperature sensor in the oil gauge, with results displayed on a 16x2 I2C LCD. Testing each engine cylinder before and after heating shows that compression pressure is strongly influenced by temperature (over 80%). The tool enhances engine diagnostics, offering precise, real-time monitoring to improve vehicle maintenance and longevity. Highlight: Real-time Monitoring: Provides precise, real-time engine diagnostics. Temperature Influence: Compression pressure is 80% influenced by temperature. Enhanced Maintenance: Offers accurate compression and temperature measurements. Keywoard: Engine trouble, Compression pressure, Arduino, Pressure sensor, Temperature sensor
Multi-Factor Evaluation of RHL Success in Neniari Village, Indonesia Lumapuy, Elvira; Matinahoru, Jhon. M.; Latumahina, Fransina
Indonesian Journal of Innovation Studies Vol. 25 No. 3 (2024): July
Publisher : Universitas Muhammadiyah Sidoarjo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21070/ijins.v25i3.1196

Abstract

General Background: Forest and land rehabilitation (RHL) is essential for addressing critical land conditions, aiming to transform unproductive lands into areas that can enhance community living standards through increased productivity. Specific Background: In Neniari Village, the RHL program has been implemented with mixed success, utilizing agroforestry systems and involving various species, including both timber and non-timber plants. Knowledge Gap: Existing studies often lack detailed analysis of the factors influencing RHL success at a community and ecological level. Aims: This study seeks to evaluate the overall success of the RHL program in Neniari Village by considering plant survival rates, environmental factors, and community participation. Results: The survival rate of plants averaged 70%, indicating a moderate level of rehabilitation success, which did not meet the targeted benchmarks. Novelty: This research uniquely combines biotic and abiotic factor analyses with community engagement levels to assess RHL outcomes. Implications: The findings highlight the need for enhanced community involvement and improved environmental condition management to boost RHL success rates, suggesting adjustments to future rehabilitation strategies. Highlights: Community Involvement: Higher levels of community participation are directly linked to the success of rehabilitation efforts, indicating the need for more focused engagement strategies. Plant Survival: An average survival rate of 70% among various plant species underlines the challenges of RHL in achieving its goals, pointing towards the necessity for improved environmental management. Agroforestry Benefits: Utilizing agroforestry systems has shown potential benefits in enhancing ecological diversity and economic returns, suggesting its suitability for RHL practices. Keywords: Forest Rehabilitation, Community Participation, Agroforestry Systems, Plant Survival Rates, Environmental Factors
Designing Foundations on Natural Soil for Specified (Uniform) Settlement: Merancang Pondasi di Atas Tanah Alami untuk Pemukiman Tertentu (Seragam) Salomovich, Tulakov Elmurad; Shavkatovna, Mamatkulova Zebinisso
Indonesian Journal of Innovation Studies Vol. 25 No. 4 (2024): October
Publisher : Universitas Muhammadiyah Sidoarjo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21070/ijins.v25i4.1197

Abstract

This study addresses the critical issue of differential settlement and long-term fracture prevention in building foundations. Mistakes in designing strip and column foundations on natural soil often lead to cracks due to uneven settlements, as traditional methods prioritize matching foundation base pressure to soil bearing resistance, often neglecting settlement calculations. This research highlights the importance of incorporating settlement analysis into foundation design. A comparative review of existing methods and field data reveals significant disparities between standard design approaches and those considering settlement. Findings show that foundations designed with consistent settlement criteria exhibit better structural strength and reduced crack formation. The study underscores the need for a fundamental shift in foundation design procedures to include settlement analysis, ensuring the long-term durability and safety of buildings. Highlights: Traditional foundation design often neglects settlement calculations, leading to structural issues. Incorporating settlement analysis results in stronger, more durable foundations. Comparative review highlights the need for updated design procedures to prevent cracks. Keywords: Foundation Design, Settlement Analysis, Structural Strength, Differential Settlement, Crack Prevention

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