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jurnal@umsida.ac.id
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INDONESIA
Indonesian Journal of Innovation Studies
ISSN : -     EISSN : 25989936     DOI : https://doi.org/10.21070/ijins.v17i
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 1,054 Documents
Ergonomic Assessment of Non Folding Electric Wheelchair Performance: Penilaian Ergonomis terhadap Kinerja Kursi Roda Listrik Non-Lipat Anggit Prastio; A’rasy Fahruddin
Indonesian Journal of Innovation Studies Vol. 26 No. 1 (2025): January
Publisher : Universitas Muhammadiyah Sidoarjo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21070/ijins.v26i1.2164

Abstract

General Background: Electric wheelchairs are widely used to support mobility and daily activities for individuals with physical disabilities. Specific Background: User comfort and operational capability of electric wheelchairs are strongly associated with ergonomic suitability, anthropometric compatibility, and technical performance under different operating conditions. Knowledge Gap: Previous studies have not sufficiently evaluated the relationship between user anthropometry, upper limb posture, and the mechanical performance of non folding electric wheelchairs for users with specific physical limitations. Aims: This study aimed to evaluate the ergonomic suitability and performance characteristics of a non folding electric wheelchair using anthropometric analysis, Rapid Upper Limb Assessment (RULA), and propulsion and steering performance testing. Results: The findings showed several mismatches between user body dimensions and wheelchair dimensions, particularly in footrest height, footrest length, and armrest height. RULA analysis produced a score of 4, indicating that posture modifications are required. Performance testing demonstrated that the wheelchair could carry loads up to 120 kg and travel approximately 15.36 km on a full battery charge, but limitations were identified in climbing ability, maximum speed, steering control, and obstacle clearance. Novelty: This study integrates ergonomic evaluation and technical performance testing on a non folding electric wheelchair designed for users with asymmetric physical conditions. Implications: The results provide practical recommendations for improving wheelchair ergonomics, steering stability, energy efficiency, and mechanical configuration to support safer and more comfortable mobility for users with disabilities.Highlights: Anthropometric comparison identified dimensional mismatches in armrest and footrest configuration. Postural evaluation indicated corrective adjustment requirements for upper body positioning. Mechanical testing revealed limitations in slope navigation, steering response, and maximum travel speed. Keywords: Electric Wheelchair; Ergonomic Assessment; Anthropometry; RULA; Wheelchair Performance
Motorcycle Tilt Warning Sensor Using Arduino and SCA60C: Sensor Peringatan Kemiringan Sepeda Motor Menggunakan Arduino dan SCA60C Annuur Sulaeman Iman; Akhmad Ahfas, ST., M.Kom
Indonesian Journal of Innovation Studies Vol. 26 No. 1 (2025): January
Publisher : Universitas Muhammadiyah Sidoarjo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21070/ijins.v26i1.2165

Abstract

General Background: Traffic accidents involving two-wheeled motor vehicles remain a major concern in road safety due to the limited safety systems available on motorcycles. Specific Background: Sharp turns and excessive vehicle tilt angles during maneuvering can increase the risk of losing control while riding. Knowledge Gap: Existing motorcycle safety studies have discussed accident prevention systems, yet practical tilt warning devices using real-time tilt detection for rider awareness are still limited. Aims: This study aimed to design and develop a motorcycle tilt warning sensor device using an Arduino Nano and Axis Module SCA60C to provide early warnings during hazardous riding conditions. Results: The developed system successfully detected motorcycle tilt angles and activated LED and buzzer warnings at predetermined tilt ranges of 10°–45° and 145°–170°. Testing results showed differences between manual sensor measurements and motorcycle-mounted measurements ranging from 1°–20° on the left side and 1°–15° on the right side due to variations in the vehicle’s pivot point. Novelty: This research presents a tilt warning system integrating the SCA60C sensor with Arduino-based notification outputs specifically designed for motorcycle maneuver monitoring. Implications: The proposed device can support rider awareness during cornering and may contribute to reducing motorcycle accident risks through early tilt angle warnings.Highlights: Real-time angle detection activated visual and audio alerts during hazardous maneuvers. Mounted measurements produced calibration differences caused by motorcycle pivot positioning. Integrated microcontroller architecture supported continuous monitoring during cornering. Keywords: Arduino Nano; Motorcycle Safety; Tilt Warning Sensor; SCA60C Sensor; Traffic Accident Prevention
Smart Trash Can with Odor and Humidity Detection Using Arduino: Tempat Sampah Cerdas dengan Fitur Deteksi Bau dan Kelembapan Menggunakan Arduino Ferdianto; Shazana Dhiya Ayuni
Indonesian Journal of Innovation Studies Vol. 26 No. 1 (2025): January
Publisher : Universitas Muhammadiyah Sidoarjo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21070/ijins.v26i1.2166

Abstract

General Background: Smart waste management technologies are increasingly developed to support environmental cleanliness and user convenience in daily activities. Specific Background: Previous smart trash can systems commonly focused on automatic lid control and waste level monitoring using sensor-based automation. Knowledge Gap: Limited studies have integrated odor detection and humidity monitoring into an automatic trash can system to improve household waste handling and environmental comfort. Aims: This study aimed to develop a smart trash can system capable of automatic opening and closing while detecting unpleasant odor and humidity conditions using Arduino Uno, HC-SR04, MQ-135, and DHT11 sensors. Results: The developed system successfully performed automatic lid movement through a servo motor when objects were detected at distances greater than 40 cm by the HC-SR04 sensor. The MQ-135 sensor detected unpleasant odor conditions above 50 PPM, causing the automatic opening mechanism to stop operating, while the DHT11 sensor activated a buzzer alarm when humidity exceeded 80%. Novelty: This research integrates distance detection, odor sensing, and humidity monitoring within a single smart trash can prototype using multiple sensor configurations and Arduino-based control. Implications: The proposed system contributes to environmentally oriented household waste management by providing automated operation and monitoring features that support cleaner and more comfortable surroundings.Highlights: Automated lid operation responded to object detection beyond 40 cm using ultrasonic sensing. Ammonia concentration above 50 PPM stopped servo activation during waste disposal conditions. Humidity monitoring triggered an audible alarm when moisture levels exceeded 80%. Keywords: Arduino Uno; Smart Trash Can; MQ-135 Sensor; DHT11 Sensor; Waste Management
Four Blade Grass Chopper Machine Produces Highest Cutting Capacity: Mesin Pemotong Rumput Empat Pisau Memiliki Kapasitas Pemotongan Tertinggi Virdo Vireta Yudha A.P; Edi Widodo
Indonesian Journal of Innovation Studies Vol. 26 No. 1 (2025): January
Publisher : Universitas Muhammadiyah Sidoarjo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21070/ijins.v26i1.2167

Abstract

General Background: Grass chopper machines are widely used in livestock farming to support feed preparation and reduce manual labor requirements. Specific Background: Elephant grass is commonly utilized as the primary feed for cattle; however, many farmers still apply conventional cutting methods that require more time and labor. Knowledge Gap: Previous practices have not sufficiently examined the relationship between blade quantity and machine cutting capacity in grass chopper systems operating at different rotational speeds. Aims: This study aimed to design a grass chopper machine and evaluate the performance of blade variations on cutting capacity and fuel consumption. Results: Experimental testing was conducted using 2, 3, and 4 blades at rotational speeds of 1900 RPM, 2500 RPM, and 3000 RPM. The machine using 4 blades at 3000 RPM produced the highest cutting capacity of 5.845 kg/minute with fuel consumption of 88.5 ml/minute, while the 3-blade configuration produced 4.370 kg/minute and the 2-blade configuration produced 3.121 kg/minute. Novelty: The study presents a grass chopper machine design with interchangeable blade variations to compare cutting performance and fuel consumption under identical operational conditions. Implications: The proposed machine can support livestock farmers by providing faster grass chopping processes, reducing labor demands, and increasing feed preparation capacity for cattle farming operations.HIghlights: Four cutting blades generated the largest grass chopping output at 3000 RPM. Fuel consumption increased consistently with higher rotational speed settings. Shorter chopping dimensions were produced by configurations using additional blades. Keywords: Grass Chopper Machine; Blade Variation; Cutting Capacity; Livestock Feed; Mechanical Design
Rotary Corn Roaster for Uniform Heat Distribution: Pemanggang Jagung Putar untuk Distribusi Panas yang Merata Annas Ardiansyah; Ali Akbar
Indonesian Journal of Innovation Studies Vol. 26 No. 1 (2025): January
Publisher : Universitas Muhammadiyah Sidoarjo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21070/ijins.v26i1.2168

Abstract

General Background: Corn roasting remains a widely used food processing activity in small-scale culinary businesses, where conventional roasting methods commonly rely on manual operation and uneven heat circulation. Specific Background: Rotary-based roasting technology offers a mechanical solution to support more consistent heating during the roasting process while reducing operator workload. Knowledge Gap: Existing traditional corn roasting practices still depend on manual turning and manual airflow control, resulting in uneven maturity and higher risk of burning. Aims: This study aims to design and evaluate a rotary corn roasting device equipped with three fan units to support stable heat distribution and consistent roasting performance. Results: The developed device utilized a galvanized steel frame, stainless steel rotary cylinder, and integrated gear mechanism for rotary movement. The system accommodated up to nine corns with a maximum average length of 15 cm. The roasting process required approximately 18–20 minutes at a rotary speed of 13 rpm, while the three fans operated with a total electrical power consumption of 18 watts. The rotary mechanism supported more uniform roasting and reduced manual labor during operation. Novelty: The proposed design combines a manual rotary cylinder system with integrated airflow support using three electric fans in a compact corn roasting unit. Implications: This device provides a practical roasting solution for small-scale corn vendors by supporting stable roasting conditions, energy-efficient operation, and more consistent product quality.Highlights: Three integrated fans maintained stable charcoal combustion during roasting. Rotary cylinder mechanism produced consistent maturity on all corn surfaces. Compact roasting unit processed nine corns within 18–20 minutes. Keywords: Corn Roasting; Rotary System; Heat Distribution; Stainless Steel; Food Processing Equipment
Liquidity Solvency Market Value and Firm Size on Stock Prices: Likuiditas, Solvabilitas, Nilai Pasar, dan Ukuran Perusahaan terhadap Harga Saham Ellanda Martha Adelia; Eny Maryanti
Indonesian Journal of Innovation Studies Vol. 26 No. 1 (2025): January
Publisher : Universitas Muhammadiyah Sidoarjo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21070/ijins.v26i1.2169

Abstract

General Background: Stock price movements in the capital market are closely associated with corporate financial performance and investor perceptions reflected in financial ratios and company characteristics. Specific Background: Pharmaceutical companies listed on the Indonesia Stock Exchange require strong financial performance indicators to maintain investor confidence and support stock valuation. This study examines profitability, liquidity, solvency, market value, and firm size in relation to stock prices during the 2017–2021 period. Knowledge Gap: Previous studies concerning financial ratios and stock prices have reported inconsistent findings, particularly regarding profitability, liquidity, solvency, market value, and firm size in pharmaceutical companies. Aims: This study aims to determine the relationship between profitability, liquidity, solvency, market value, and firm size with stock prices in pharmaceutical companies listed on the Indonesia Stock Exchange. Results: The findings show that profitability does not have a significant relationship with stock prices, while liquidity, solvency, market value, and firm size are associated with stock prices. The regression analysis also indicates that the research model explains a substantial proportion of stock price variation. Novelty: This study integrates profitability, liquidity, solvency, market value, and firm size within a single quantitative model focusing specifically on Indonesian pharmaceutical companies during the 2017–2021 period. Implications: The findings provide relevant insights for investors, corporate management, and capital market stakeholders in evaluating financial indicators related to stock price movements in the pharmaceutical sector.Highlights: Profitability showed no significant association with share valuation. Current ratio, debt ratio, and PER were linked to market movements. Corporate scale was statistically related to equity trading performance. Keywords: Stock Prices; Pharmaceutical Companies; Liquidity; Solvency; Market Value
Flash Card Implementation in Arabic Vocabulary Learning: Penerapan Kartu Flash dalam Pembelajaran Kosakata Bahasa Arab Imron Suwantoro; Najih Anwar
Indonesian Journal of Innovation Studies Vol. 26 No. 1 (2025): January
Publisher : Universitas Muhammadiyah Sidoarjo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21070/ijins.v26i1.2170

Abstract

General Background: Arabic vocabulary mastery is an essential component in developing students’ language skills and communication abilities in Arabic learning. Specific Background: Students in class X at SMA Muhammadiyah 2 Sidoarjo come from diverse educational backgrounds, causing differences in familiarity with Arabic vocabulary learning. Flash card media containing images and Arabic text were applied to support mufradat learning activities. Knowledge Gap: Previous studies discussed flash card media in Arabic learning using different methods and settings, while limited studies examined the implementation process together with supporting and inhibiting factors in senior high school Arabic vocabulary learning. Aims: This study aimed to identify the implementation of flash card media in Arabic vocabulary learning and to describe the supporting and inhibiting factors in class X at SMA Muhammadiyah 2 Sidoarjo. Results: The study found that flash card implementation was conducted through planning, learning activities, reinforcement, and evaluation stages using image-based cards, repetition techniques, and interactive games. Supporting factors included visual memorization support, active student participation, practicality, flexibility, and interactive learning activities. Inhibiting factors included limited material coverage, distraction during learning, technical constraints in digital use, visual limitations, and dependence on teacher skills. Novelty: This study provides a qualitative implementation analysis of flash card media in Arabic mufradat learning within the context of students with varied educational backgrounds at SMA Muhammadiyah 2 Sidoarjo. Implications: The findings contribute to Arabic language learning practices by providing insights into the use of flash card media for classroom-based mufradat instruction and identifying factors that should be considered during implementation.Highlights: Visual cards and repetition activities supported students in recalling Arabic vocabulary during classroom sessions. Interactive games encouraged active participation and increased student confidence in responding to learning tasks. Technical limitations, restricted material scope, and classroom conditions became barriers during media application. Keywords: Flash Card Media; Arabic Vocabulary Learning; Mufradat Instruction; Qualitative Analysis; Classroom Implementation
Brand Awareness Moderation on Customer Loyalty in Culinary Business: Pengaruh Kesadaran Merek terhadap Loyalitas Pelanggan dalam Bisnis Kuliner Putri Purnama Sari Dewi; Sriyono; Hadiah Fitriyah; Wisnu Panggah
Indonesian Journal of Innovation Studies Vol. 26 No. 1 (2025): January
Publisher : Universitas Muhammadiyah Sidoarjo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21070/ijins.v26i1.2171

Abstract

General Background: Customer loyalty is an essential factor in maintaining business sustainability within highly competitive culinary industries. Specific Background: Marketing strategy, product quality, and service quality are widely recognized as important determinants of customer loyalty, while brand awareness is considered a relevant factor in shaping consumer responses toward products and services. Knowledge Gap: Previous studies generally examined the direct relationship between marketing strategy, product quality, service quality, and customer loyalty, while limited attention has been given to the moderating role of brand awareness in strengthening these relationships within medium-scale culinary businesses. Aims: This study aims to analyze the relationships between marketing strategy, product quality, and service quality toward customer loyalty and to examine the moderating role of brand awareness in these relationships. Results: The findings indicate that marketing strategy, product quality, and service quality were significantly associated with customer loyalty both partially and simultaneously. Service quality emerged as the strongest factor associated with customer loyalty. Furthermore, brand awareness significantly moderated the relationships between marketing strategy, product quality, service quality, and customer loyalty. Novelty: This study highlights the moderating function of brand awareness in the relationship between marketing strategy, product quality, service quality, and customer loyalty within the culinary business sector using Moderated Regression Analysis (MRA). Implications: The findings provide practical insight for culinary businesses to strengthen customer loyalty through integrated marketing strategy, consistent product quality, service quality improvement, and continuous brand awareness development.Highlights: Service quality showed the strongest relationship with consumer retention behavior. Marketing activities and product standards were significantly associated with repeat purchase intention. Brand recognition strengthened the relationship between business variables and consumer commitment. Keywords: Customer Loyalty; Brand Awareness; Marketing Strategy; Product Quality; Service Quality
Bridge Vibration Monitoring Using ESP32 and MPU6050: Pemantauan Getaran Jembatan Menggunakan ESP32 dan MPU6050 Muhadzdzib Sayyidul Quthb; Arief Wisaksono
Indonesian Journal of Innovation Studies Vol. 26 No. 2 (2025): April
Publisher : Universitas Muhammadiyah Sidoarjo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21070/ijins.v26i2.2172

Abstract

General Background: Structural health monitoring is essential for maintaining bridge safety and supporting infrastructure management through continuous observation of operational conditions. Specific Background: Bridge vibrations generated by passing vehicles can contribute to structural degradation, creating a need for real-time monitoring systems that allow remote data access and storage. Knowledge Gap: Existing studies have demonstrated vibration measurement and bridge monitoring approaches; however, a practical system integrating vibration sensing, wireless communication, and cloud-based data recording through a simple spreadsheet platform remains limited. Aims: This study aimed to develop a bridge vibration monitoring system using an ESP32 microcontroller, an MPU6050 accelerometer and gyroscope sensor, and Google Sheets as a remote monitoring and database platform. Results: The developed system successfully detected, transmitted, stored, and displayed bridge vibration data in real time through an internet connection. Measured vibration values were classified according to vehicle type, with recorded vibration speeds of 1.87 m/s for tronton trucks, 1.47 m/s for trucks, 0.40–0.97 m/s for buses, and 0.11–0.39 m/s for cars. Novelty: The proposed system combines ESP32-based wireless sensing, MPU6050 vibration measurement, and direct Google Sheets integration within a single monitoring framework for bridge vibration observation. Implications: The system provides a practical approach for remote bridge condition monitoring and data archiving, supporting routine observation and future assessment of bridge structural conditions.Highlights: Real-time vibration data were transmitted and stored through an online spreadsheet platform. Vehicle categories produced distinct measured vibration ranges on the observed structure. Wireless sensing architecture enabled remote observation and database recording. Keywords: Bridge Vibration Monitoring; Structural Health Monitoring; ESP32; MPU6050; Internet of Things
Feasibility of Aluminum Waste Conversion into Automotive Emblem Accessories: Kelayakan Pengolahan Limbah Aluminium Menjadi Aksesori Lambang Kendaraan Bermotor Dwi Febrian Aldy; Ali Akbar
Indonesian Journal of Innovation Studies Vol. 26 No. 2 (2025): April
Publisher : Universitas Muhammadiyah Sidoarjo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21070/ijins.v26i2.2173

Abstract

General Background: Aluminum waste accumulation is a growing environmental concern due to its persistence and increasing volume from domestic, industrial, and construction activities. Specific Background: Recycling and reusing aluminum waste offer opportunities to reduce environmental burdens while generating value-added products, including automotive accessories. Knowledge Gap: Although aluminum waste utilization has been explored in previous studies, limited research has evaluated the feasibility of converting aluminum waste into car accessories through respondent-based pre-test and post-test assessments. Aims: This study aimed to analyze the feasibility of utilizing aluminum waste for automotive emblem accessories and to validate respondent perceptions before and after product development. Results: Questionnaire data from 97 respondents showed agreement with aluminum waste utilization during the pre-test stage and satisfaction with the resulting product during the post-test stage. Validity testing indicated significance values below 0.05, while reliability analysis produced Cronbach’s Alpha values of 0.877 for the pre-test and 0.908 for the post-test. Analysis of variance further demonstrated that the dominant respondent response in both stages was agreement with the proposed utilization and the developed product. Novelty: The study integrates aluminum waste recycling with a pre-test and post-test feasibility evaluation framework for automotive emblem production. Implications: The findings support the potential application of aluminum waste as a resource for automotive accessories and provide evidence for broader waste utilization initiatives aimed at reducing environmental pollution and creating products with economic value.Highlights: Most respondents agreed with the proposed use of recycled aluminum materials. Product evaluation indicated positive acceptance and satisfaction among participants. Statistical validation confirmed reliable and valid questionnaire outcomes in both assessment stages. Keywords: Aluminum Waste; Automotive Accessories; Feasibility Analysis; Pre-Test and Post-Test; Waste Utilization