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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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Queue Optimization Study for Retail Efficiency Enhancement: Studi Optimalisasi Antrian untuk Peningkatan Efisiensi Ritel Setiabudi, Edo; Cahyana, Atikha Sidhi
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.v25i3.1165

Abstract

Minimarkets face challenges of overcrowding and prolonged wait times, often due to suboptimal cashier staffing. This study aims to determine the optimal number of cashiers to minimize queues. Using a single-phase multi-channel queuing model, data was collected through direct observation and quantitative analysis. Initial findings with two cashiers revealed varying wait times, prompting simulation experiments. Results indicated that adding a third cashier significantly reduced wait times to 0.41-2.45 minutes, enhancing service efficiency and customer satisfaction. Future research may explore longer observation periods and assess cost-effectiveness in staffing adjustments. Highlight: Data Analysis: Direct observation, quantitative data, and Excel processing for insights. Simulation Test: Arena software simulates cashier scenarios for service optimization. Efficiency Boost: Adding a cashier reduces wait times, enhancing customer satisfaction. Keywoard: Minimarket, Queuing Model, Cashier Optimization, Service Efficiency, Customer Satisfaction.
Transforming Indonesian Washing Machines into Efficient Wind Generators: Mengubah Mesin Cuci Indonesia Menjadi Pembangkit Listrik Tenaga Angin yang Efisien Putra , Ahmad Nurwanda Bawono; Firdaus, Rachmat
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.v25i3.1166

Abstract

People's consumption of household electronic devices is increasing, leading to higher energy demand in Indonesia, with washing machines being a significant contributor. This study explores repurposing used washing machine dynamos into electricity generators for windmills. Researchers used an LG washing machine dynamo and N52 neo super magnets, testing pulley diameters of 12 cm, 15 cm, 18 cm, and 20 cm. Results showed that larger pulleys increased generator output, with a 20 cm pulley producing 26 volts, 1.3 amperes, and 2525 rpm. However, the efficiency was low at 8.69%, indicating a need for further optimization. This approach has potential for sustainable energy solutions and reducing electronic waste. Highlight: Repurpose Dynamos: Converts washing machines to windmill generators, reducing electronic waste. Efficiency Challenge: Larger pulleys improve output but efficiency is only 8.69%. Sustainable Impact: Offers potential for sustainable energy and lower household consumption. Keyword: household electronics, energy consumption, washing machine dynamo, windmill generator, sustainable energy
Innovation in Facility Layout Optimization through Heavy Equipment Repair revolution: Inovasi dalam Optimalisasi Tata Letak Fasilitas melalui revolusi Perbaikan Alat Berat Prediansyah, Mochamad Afan Wahyu; Cahyana , Atikha Sidhi
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.v25i3.1167

Abstract

This study addresses the challenge of prolonged forklift repair times at PT Karya Mitra Teknik, a heavy equipment repair company, attributed to inefficient facility layout. Through field observations and stakeholder interviews, Activity Relationship Chart (ARC) and Analysis Allocation Diagram (AAD) methods were applied to identify inefficiencies and propose layout improvements. Results show a significant reduction in total repair area distance from 110 meters to 55 meters, indicating enhanced operational efficiency. The findings underscore the importance of optimizing facility layout in heavy equipment repair workshops to streamline operations and reduce repair turnaround times, offering practical implications for similar industries seeking cost-effective solutions. Highlights: 1. Efficient facility layout reduces repair area distance.2. ARC and AAD methods streamline resource allocation.3. Optimal layout enhances operational efficiency, reduces turnaround times. Keywords: Facility Layout Optimization, Heavy Equipment Repair, Operational Efficiency, Activity Relationship Chart (ARC), Analysis Allocation Diagram (AAD)
Revolutionizing Project Resilience through Advanced Risk Mitigation Strategy Launched: Merevolusi Ketahanan Proyek melalui Strategi Mitigasi Risiko Tingkat Lanjut Diluncurkan Oktaviana, Hanifah; Jakaria, Ribangun Bamban
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.v25i3.1168

Abstract

This study examines the risks associated with project delays in the Mover Tram rail line repair project at TMII and proposes mitigation strategies using a combination of Risk Breakdown Structure (RBS), Analytical Network Process (ANP), and Bow Tie Analysis methodologies. Through expert interviews, questionnaires, and document analysis, key risks were identified and prioritized. Results indicate that construction management emerged as the dominant risk group, with specific risks including delays in critical path tasks and discrepancies between drawings and methods. Mitigation strategies were developed focusing on these dominant risks. The study underscores the importance of integrating diverse risk assessment techniques for effective project management and suggests avenues for future research to enhance risk management frameworks in construction projects. Highlights: 1. Integrated risk analysis enhances project resilience.2. Construction management pivotal for identifying and mitigating project risks.3. Future research: Explore cost-related risks for improved project outcomes. Keywords: Project delays, Risk management, Construction projects, Mitigation strategies, Analytical methodologies
Revolutionizing Crystal Guava Production through Six Sigma and Kaizen Insights: Merevolusi Produksi Jambu Kristal melalui Wawasan Six Sigma dan Kaizen Mauli, Fajar Dwi; Cahyana , Atikha Sidhi; Sukmono, Tedjo; Jakaria, Ribangun Bamban
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.v25i3.1169

Abstract

This study addresses the quality issues in crystal guava production at UD Bumiaji Sejahtera using the Six Sigma and Kaizen methodologies. By analyzing factors like non-uniform maturity, black spots, fruit rot, shape defects, and seed defects, this research aims to identify key areas for improvement. Results indicate that non-uniform maturity contributes significantly to defects, highlighting the need for improved pest control, efficient application methods, regular maintenance, material inspection, and enhanced standards for farmers and agricultural workers. These findings offer practical insights for enhancing crystal guava production quality and reducing defects at UD Bumiaji Sejahtera. Highlight: Six Sigma and Kaizen for Crystal Guava Quality Enhancement. Non-uniform Maturity Identified as Key Defect Contributor. Recommendations: Improved Pest Control, Application Methods, and Standards for Farmers. Keyword: Crystal Guava Production, Six Sigma, Kaizen, Quality Improvement, Defect Reduction
Optimized Smart Home Temperature Monitoring Using IoT: Pemantauan Suhu Rumah Pintar yang Dioptimalkan Menggunakan IoT Putra, Dandi Pratama; Ayuni , Shazana Dhiya
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.v25i3.1170

Abstract

This research aims to monitor residential home temperatures using the Internet of Things (IoT) and Google Sheets. By adopting a Research and Development (R&D) approach, the study designs and tests a temperature monitoring tool with DHT11 sensors, NodeMCU ESP8266, and LCD displays. Data is integrated into Google Sheets for real-time access. The results show improved service efficiency, reducing waiting times to 0.41-2.45 minutes, with fewer waiting customers and lower utilization rates. This system enhances living conditions by providing easy temperature monitoring, recommending future studies to extend data collection periods for comprehensive analysis. Highlight: Efficient Monitoring: Real-time temperature data via Google Sheets. Integrated System: Uses DHT11 sensors and NodeMCU ESP8266. Research Implications: Extend data collection for thorough analysis. Keywoard: Temperature Monitoring, Internet of Things, Google Sheets, DHT11 Sensors, NodeMCU ESP8266
Revolutionizing Warehouse Efficiency with Shared and Class-Based Storage: Merevolusi Efisiensi Gudang dengan Penyimpanan Bersama dan Berbasis Kelas Supriyadi, Deddy; 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.v25i4.1171

Abstract

This study addresses inefficiencies in the warehouse layout of a paper production company in Pasuruan, East Java, which led to delayed deliveries. By implementing shared storage (SS) using FIFO and class-based storage (CBS), the research aimed to optimize space and improve material handling efficiency. Data collection involved observation, interviews, and company records. The proposed layout reduced space usage from 59.45% to 16.95% and achieved significant time savings: 17.84% for brown paper, 8.84% for white paper, and 28.51% for custom-colored paper. The findings suggest that a systematic layout can greatly enhance warehouse efficiency. Future studies should consider the cost factors associated with these improvements. Highlights: Space Efficiency: Reduced usage from 59.45% to 16.95%. Time Savings: Up to 28.51% for custom-colored paper. Data-Driven: Used observations, interviews, and records for layout optimization Keywords: Warehouse layout, material handling, shared storage, class-based storage, efficiency improvement
Overcoming Boredom with a Better Work Environment in Indonesia: Mengatasi Kebosanan dengan Lingkungan Kerja yang Lebih Baik di Indonesia Afiyanto, Muhammad Alfin; Putra , Boy Isma
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.v25i3.1172

Abstract

CV. Lima Cahaya, a printing services company, faced a significant increase in employee-related complaints from 2021 to 2022, primarily due to lack of thoroughness linked to boredom. This study aimed to analyze the impact of physical and non-physical work environments and psychological conditions on employee boredom. Using a questionnaire completed by 20 employees and analyzed through multiple linear regression and Importance Performance Analysis (IPA), results showed that improvements in the work environment significantly reduce boredom (Y=0.721+0.547X1+0.339X2+0.088X3). The high satisfaction levels (above 80%) indicate that the current environment meets employee expectations, providing insights for management to enhance employee performance and reduce complaints. Highlight: Complaint Rise: 37% increase in employee complaints due to boredom. Influential Factors: Work environment and psychological conditions affect employee boredom. High Satisfaction: IPA shows over 80% satisfaction with current work conditions. Keyword: printing services, employee boredom, work environment, multiple linear regression, Importance Performance Analysis
Smart Stick Revolutionizes Mobility for the Visually Impaired: Tongkat Pintar Merevolusi Mobilitas bagi Tunanetra Alfian, Moh.; Ayuni, Shazana Dhiya
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.v25i4.1173

Abstract

Visual impairment significantly hinders daily activities, necessitating innovative solutions. This study develops and tests a smart walking stick using NodeMCU ESP-8266, HCSR-04 ultrasonic sensor, DFPlayer, and GPS, monitored via the Blynk app. Employing a research and development approach, the device demonstrated 100% accuracy in obstacle detection and location tracking, providing real-time feedback through audio notifications and smartphone monitoring. This smart walking stick enhances mobility and safety for visually impaired users, representing a significant advancement in assistive technology. Highlights: Accurate Obstacle Detection: 100% accuracy with HCSR-04 ultrasonic sensor. Real-time Monitoring: GPS tracking via Blynk app. Enhanced Mobility: Increases safety and independence for visually impaired users. Keywords: Visual impairment, Smart walking stick, Ultrasonic sensor, GPS tracking, IoT
Revitalizing Customer Satisfaction in Indonesia's Rice Industry: Revitalisasi Kepuasan Pelanggan di Industri Beras Indonesia Pratama, Muchammad Ikbal; Sulistiyowati, Wiwik; Cahyana , Atikha Sidhi; Putra, Boy Isma
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.v25i4.1174

Abstract

CV. Central Karya Jaya, a rice distribution company, faced a 40% profit decline. This study aims to enhance company performance and customer satisfaction using the Balanced Scorecard and Importance Performance Analysis (IPA). Data from 70 respondents showed a financial ROE above 12%, but customer satisfaction had a 72.25% conformity, revealing unmet needs. Key improvements are needed in managerial friendliness, employee responsiveness, and personalized service. Recommendations include fostering better employee relations and understanding customer needs, with future research suggesting the use of Quality Function Deployment (QFD) for further service enhancement. Highlights: Financial Performance: ROE above 12% indicates solid financial health. Customer Satisfaction: 72.25% conformity shows areas needing improvement. Key Improvements: Enhance managerial friendliness and employee responsiveness Keywords: Performance Measurement, Balanced Scorecard, Customer Satisfaction, Rice Distribution, Importance Performance Analysis

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