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Mahardika Darmawan Kusuma Wardana
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PELS (Procedia of Engineering and Life Science)
Published by Universitas Muhammadiyah Sidoarjo
ISSN : -     EISSN : 28072243     DOI : https://doi.org/10.21070/pels
Core Subject : Science, Engineering,
Computer Science & IT Control & Systems Engineering Electrical & Electronics Engineering Engineering
PELS (Procedia of Engineering and Life Science) is an international journal published by Faculty of Science and Technology Universitas Muhammadiyah Sidoarjo. The research article submitted to this online journal will be double blind peer-reviewed (Both reviewer and author remain anonymous to each other). The accepted research articles will be available online following the journal peer-reviewing process. Language used in this journal is Bahasa (Indonesia) or English. Aims and Scope of this journal is science and technology.
Arjuna Subject : Teknik (semua kategori) - Teknik (Lain-Lain)
Articles 815 Documents
 78   79   80   81   82 
Literature Review: Pre-analytical Factors Influencing Clinical Laboratory Examination Results: Literatur Review: Faktor Pra-Analitik Yang Mempengaruhi Hasil Pemeriksaan Laboratorium klinik Andika Aliviameita; Friska Ainun Nadhifah; Achsanul Khitam
Procedia of Engineering and Life Science Vol. 10 No. 1 (2026): Proceedings of the 9th Seminar Nasional Sains 2026
Publisher : Universitas Muhammadiyah Sidoarjo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21070/pels.v10i1.2959

Abstract

General Background The pre-analytical stage represents a critical phase within clinical laboratory testing sequences because it involves initial procedures largely reliant on manual handling and personnel precision. Specific Background Implementation of Internal Quality Improvement (IQI) serves as the primary evaluation tool to analyze pre-analytical factors affecting clinical laboratory test results. Knowledge Gap Although overall pre-analytical quality appears optimal, recurring human-factor errors during critical operational points remain inadequately mitigated across routine workflows. Aims This study evaluates pre-analytical variables influencing laboratory test accuracy and assesses the role of educational interventions in mitigating human-induced errors. Results Findings indicate that while internal quality performance generally ranges from good to very good, critical vulnerabilities persist during patient identification, phlebotomy execution, and anticoagulant-to-specimen volume ratios. Novelty This literature review synthesizes multi-year publication data from 2015 to 2015 to map recurrent pre-analytical discrepancies and evaluate targeted educational impacts. Implications Systematic staff education and standardized compliance significantly enhance procedural reliability and clinical diagnostic safety. Key Findings Highlights Pre-analytical error rates are predominantly driven by manual handling vulnerabilities during patient identification and sample collection, Phlebotomy technique discrepancies and sample-to-anticoagulant ratio deviations significantly compromise test result accuracy, Structured educational interventions effectively improve staff compliance and reduce human-factor errors. Keywords Pre-Analytical, Internal Quality Improvement, Clinical Laboratory, Laboratory Errors, Quality Control
Integration of SWOT Analysis and Fault Tree Analysis (FTA) in Efforts to Reduce Defects in the Production Process of Powder-Based Food Ingredients: Integrasi Analisis SWOT dan Fault Tree Analysis (FTA) dalam Upaya Penurunan Defect pada Proses Produksi Food Ingredients Berbasis Powder M Farit Rusdiawan; Atikha Sidhi Cahyana
Procedia of Engineering and Life Science Vol. 10 No. 1 (2026): Proceedings of the 9th Seminar Nasional Sains 2026
Publisher : Universitas Muhammadiyah Sidoarjo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21070/pels.v10i1.2962

Abstract

General Background Powder-based food ingredients manufacturing requires rigorous quality control systems to minimize process irregularities and maintain strict product standards. Specific Background This study addresses quality control challenges in powder-based food ingredients production by integrating SWOT analysis and Fault Tree Analysis (FTA) to identify defect root causes and formulate corrective strategies. Knowledge Gap Although traditional quality monitoring exists, combined strategic internal-external evaluations alongside technical root-cause analyses for powder production defects remain underexplored. Aims This research aims to investigate defect triggers and establish improvement strategies for powder food manufacturing processes. Results Findings indicate an average defect rate of 7.35%, driven predominantly by high moisture content, while the SWOT matrix positions the company in a strength-threat quadrant requiring targeted operational adjustments. Novelty This work establishes a dual methodological framework combining strategic environmental scanning with deductive fault tree tracing specifically for powder-based food processing. Implications Implementing these integrated strategies optimizes operational monitoring, enhances workforce competence, and reduces production losses. Key Findings Highlights Production defect rates averaged 7.35% with high moisture content identified as the most dominant defect type, Fault Tree Analysis traced primary root causes to human, machine, method, and material factors, Strategic matrix positioning indicates that internal strengths can be leveraged to counteract external environmental threats. Keywords Swot, Ifas, Efas, Fault Tree Analysis, Powder Food Manufacturing
Architectural Analysis and Feature Implementation of the SILACAK Application Based on Laravel Breeze and Tailwind CSS: Analisis Arsitektur dan Implementasi Fitur Aplikasi SILACAK Berbasis Laravel Breeze dan Tailwind CSS Rizqi Ahmad; Arif Senja Fitrani
Procedia of Engineering and Life Science Vol. 10 No. 1 (2026): Proceedings of the 9th Seminar Nasional Sains 2026
Publisher : Universitas Muhammadiyah Sidoarjo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21070/pels.v10i1.2964

Abstract

General Background Information technology developments drive institutional digitalization across administrative processes, document distribution, and internal communication systems. Specific Background The SILACAK application serves as a Laravel-based information system designed to support file management, internal messaging, and user administration within organizational environments. Knowledge Gap Although web-based information systems are widely deployed, detailed architectural evaluations and source code reviews during early development stages remain limited. Aims This study analyzes the architectural framework, route mapping, controller logic, and feature implementation of the SILACAK application using a source code review approach. Results The findings indicate that SILACAK exhibits a modular and scalable architectural foundation based on the Model-View-Controller pattern, successfully integrating Laravel Breeze, Tailwind CSS, and core file management modules. Novelty This research provides a systematic structural evaluation of a Laravel-based administrative application during its active development phase. Implications The analysis offers clear insights into system readiness and guides subsequent development phases for institutional digital transformation. Key Findings Highlights Application architecture successfully implements the Model-View-Controller pattern to ensure structural modularity and scalability, Core features including file management, internal messaging, and authentication are properly integrated, System evaluation identifies specific areas requiring optimization in role management and real-time synchronization. Keywords Silacak, Laravel, Information System, File Management, Tailwind Css
Implementation of the Halal Product Assurance System (SJPH) at the Nutrition Installation of the Aisyiyah Islamic Hospital in Nganjuk: Implementasi Sistem Jaminan Produk Halal (SJPH) Pada Instalasi Gizi Rumah Sakit Islam Aisyiyah Nganjuk Andini Oktaviana; Poppy Diana Sari; Imah Faizah
Procedia of Engineering and Life Science Vol. 10 No. 1 (2026): Proceedings of the 9th Seminar Nasional Sains 2026
Publisher : Universitas Muhammadiyah Sidoarjo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21070/pels.v10i1.2965

Abstract

General Background Hospital nutrition installations play a pivotal role in delivering safe and standard-compliant dietary services to patients in healthcare facilities. Specific Background Implementation of the Halal Product Assurance System (SJPH) at Aisyiyah Islamic Hospital Nganjuk is designed to ensure all food processing activities align strictly with Islamic principles and standard regulations. Knowledge Gap Although legal frameworks require comprehensive compliance, detailed empirical evaluations of operational challenges, documentation gaps, and internal audit findings in hospital nutrition units remain limited. Aims This study investigates the implementation of SJPH across raw material selection, food processing, packaging, storage, and distribution within the hospital nutrition installation. Results Findings demonstrate that core operations adhere to BPJPH and MUI provisions, supported by halal management teams, structured supervision, and periodic internal audits, despite minor documentation and residual waste handling issues. Novelty This work provides an operational evaluation framework specifically adapted to hospital dietary services balancing clinical nutritional requirements with strict halal assurance standards. Implications Systematic implementation reinforces dietary service quality, strengthens product halal integrity, and boosts public trust in healthcare institutions. Key Findings Highlights Implementation across food processing stages complies with national regulatory requirements and halal standards, Operational supervision and internal audits identify minor compliance gaps in documentation and auxiliary materials, Systematic halal management practices enhance service quality and public trust in hospital nutrition services. Keywords Halal Product Assurance System, Islamic Hospital, Nutrition Installation, Internal Audit, Product Halal Integrity
Analysis of Bag Product Quality Control Using The Failure Mode and Analysis (FMEA) Method and Fishbone Diagram: Analisis Pengendalian Kualitas Produk Tas Menggunakan Metode Failure Mode and Effect Analysis (FMEA) dan Diagram Fishbone David Aditya Pratama; Hana Catur Wahyuni
Procedia of Engineering and Life Science Vol. 10 No. 1 (2026): Proceedings of the 9th Seminar Nasional Sains 2026
Publisher : Universitas Muhammadiyah Sidoarjo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21070/pels.v10i1.2966

Abstract

General Background Quality control systems play a crucial role in manufacturing environments by systematically identifying product defects and mitigating operational risks. Specific Background Bag manufacturing operations face processing deviations, customer product returns, and time imbalances between planned schedules and actual execution. Knowledge Gap Although Failure Mode and Effects Analysis and cause-and-effect mapping are widely utilized, empirical studies integrating Risk Priority Number calculations with root cause categorization in specialized bag assembly lines remain limited. Aims This study evaluates quality control failures in the bag manufacturing process at PT. XYZ to establish priority corrective actions using Risk Priority Number modeling and root cause analysis. Results Quantitative risk evaluation yields Risk Priority Number values ranging from 36 to 125, with peak operational risks identified in heat pressing during thermal pressing (RPN 125) and quality inspection activities (RPN 112). Novelty Systematic integration of Failure Mode and Effects Analysis with Ishikawa mapping categorizes manufacturing defects across human, machine, material, environmental, and procedural dimensions. Implications Standardizing machine calibration parameters and elevating operator competency through targeted training mitigates defect occurrence and supports long-term product quality. Key Findings Highlights Heat Press Area Generates Highest Risk Priority Number Of 125 Final Quality Control Inspection Represents Second Highest Risk At 112 RPN Multi-Factor Cause Mapping Identifies Human And Machine Parameters As Primary Drivers Keywords Bag Production, Quality Control, Risk Priority Number, Cause And Effect Diagram, Defect Mitigation
Implementation Of The Jne Express Buduran Trace And Tracking Information System: Penerapan Sistem Informasi Trace dan Tracking JNE EXPRESS Buduran Muhammad Salman Al Farisyi; Ade Eviyanti
Procedia of Engineering and Life Science Vol. 10 No. 1 (2026): Proceedings of the 9th Seminar Nasional Sains 2026
Publisher : Universitas Muhammadiyah Sidoarjo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21070/pels.v10i1.2967

Abstract

General Background The rapid expansion of e-commerce and digital logistics has heightened consumer demand for real-time shipment transparency and service reliability. Specific Background JNE Express Buduran Branch utilizes web-based trace and tracking information systems, alongside the My Orion operational platform, to monitor package movements and improve delivery management. Knowledge Gap Although logistics tracking software is widely implemented across regional courier hubs, empirical studies investigating operational bottlenecks such as network disruptions and data entry delays under field conditions remain underreported. Aims This study evaluates the implementation of the trace and tracking information system at JNE Express Buduran Branch to examine system performance, identify operational constraints, and formulate strategic optimizations. Results Field evaluations confirm that the trace and tracking system successfully provides real-time shipment visibility and structured parcel routing, though technical disruptions—including My Orion server maintenance and wireless network instability—frequently delay status updates. Novelty Comprehensive mixed-methods assessment maps human resource constraints alongside IT infrastructure failures to formulate targeted operational backup strategies for courier branches. Implications Implementing scheduled off-peak system maintenance alongside secondary internet connectivity safeguards operational continuity, preserves proof-of-delivery accuracy, and maintains customer trust. Key Findings Highlights Real Time Trace System Improves Shipment Visibility And Logistics Transparency Server Maintenance And Network Disruptions Represent Primary Technical Obstacles Off Peak System Updates Safeguard Daily Proof Of Delivery Accuracy Keywords Logistics Tracking System, Service Quality, Operational Efficiency, Parcel Distribution, Proof Of Delivery
Analysis of quality control of PE pipe installation in gas network project at PT. XYZ: Analisis pengendalian kualitas pemasangan pipa PE pada proyek jaringan gas di PT. XYZ Ali Adi; Hana Catur Wahyuni
Procedia of Engineering and Life Science Vol. 10 No. 1 (2026): Proceedings of the 9th Seminar Nasional Sains 2026
Publisher : Universitas Muhammadiyah Sidoarjo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21070/pels.v10i1.2968

Abstract

General Background Quality control implementation within gas distribution pipeline installation ensures operational reliability and structural integrity. Specific Background Polyethylene pipes are widely chosen for gas distribution projects due to flexibility, corrosion resistance, and jointing efficiency, requiring rigorous pressure testing prior to commissioning. Knowledge Gap Although pneumatic testing using pressurized air is commonly conducted to verify joint strength, empirical evaluations documenting step-up holding pressure stability and operational quality control protocols during field assembly remain limited. Aims This study evaluates quality control procedures during 180 mm polyethylene pipe installation in a gas network project at PT. XYZ using the pneumatic test method. Results Qualitative and quantitative case evaluation shows that holding test pressures at 43.551 psig (July) and 42.451 psig (August) for 4.5 hours maintained absolute stability without pressure drops or joint leaks. Novelty Systematic step-up, holding, and step-down pressure monitoring validates butt fusion and electrofusion integrity under pressurized air conditions in distribution pipelines. Implications Adhering to standardized pneumatic test protocols guarantees network safety, minimizes minor joint imperfections, and prevents long-term gas leakage. Key Findings Highlights Pneumatic Testing Validates Joint Integrity At Maximum Holding Pressures Exceeding 42 Psig Zero Pressure Drop Recorded Over Four Hour Holding Period Confirms Leak Absence Standardized Step Up And Step Down Protocols Ensure Pipeline Structural Stability Keywords Polyethylene Pipe, Quality Control, Pneumatic Test, Gas Distribution, Joint Integrity
Implementation Of Internship at the Central Statistics Agency of Sidoarjo Regency Msme Mapping Process Ahead of the 2026 Economic Census: Implementasi Magang Di Badan Pusat Statistik Kabupaten Sidoarjo Proses Pemetaan UMKM Menjelang Sensus Ekonomi 2026 Davin Khurniawan; Atikha Sidhi Cahyana
Procedia of Engineering and Life Science Vol. 10 No. 1 (2026): Proceedings of the 9th Seminar Nasional Sains 2026
Publisher : Universitas Muhammadiyah Sidoarjo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21070/pels.v10i1.2971

Abstract

General Background Digitalization within public statistical institutions enables streamlined data collection during national economic mapping activities. Specific Background The Central Statistics Agency utilizes mobile applications like Kendedes Mobile for field survey tagging and micro-business enumeration ahead of national economic censuses. Knowledge Gap Although mobile surveys expedite field operations, systemic evaluations measuring multi-dimensional operational factors that dictate overall user satisfaction levels remain understudied. Aims This research analyzes multi-variable determinants influencing user satisfaction with the Kendedes Mobile application at the Central Statistics Agency of Sidoarjo Regency using multiple linear regression modeling. Results Multiple linear regression modeling reveals that work efficiency (X4, coefficient 0.559) and system quality (X2, coefficient 0.419) exhibit strong positive correlations with user satisfaction (Y), whereas ease of use, information quality, and individual user satisfaction variables show negative regression coefficients. Novelty Empirical modeling identifies work efficiency as the primary positive driver governing field enumerator satisfaction in digital statistical mapping systems. Implications Institutional IT managers must prioritize optimizing application responsiveness and operational workflow efficiency to improve user satisfaction and data collection productivity. Key Findings Highlights Work Efficiency Represents Primary Positive Satisfaction Driver With Coefficient 0.559 System Quality Exerts Secondary Positive Effect On Overall User Satisfaction Multi-Variable Model Explains 44.1 Percent Variation In Mobile Application Satisfaction Keywords Mobile Application, User Satisfaction, Multiple Linear Regression, Central Statistics Agency, System Efficiency
Preventive Maintenance Analysis On Forklifts At PT. Karya Mitra Tehnik Sidoarjo: Analisa Preventive Maintenance Pada Forklift Di PT. Karya Mitra Tehnik Sidoarjo Mohammad Hilman Hadafi; Inggit Marodiyah
Procedia of Engineering and Life Science Vol. 10 No. 1 (2026): Proceedings of the 9th Seminar Nasional Sains 2026
Publisher : Universitas Muhammadiyah Sidoarjo

Show Abstract | Download Original | Original Source | Check in Google Scholar

Abstract

General Background Material handling equipment such as forklifts plays a critical role in industrial logistics and warehouse operations. Specific Background Unplanned equipment breakdowns during daily material transport disrupt production workflows, increase maintenance costs, and reduce overall operational availability. Knowledge Gap Although preventative maintenance schedules are routinely implemented in industrial plants, quantitative evaluations assessing operational reliability metrics for varying forklift tonnage capacities remain limited. Aims This study evaluates preventive maintenance performance for 1.5-ton and 3.5-ton Mitsubishi forklifts operated at PT Central Proteina Prima Tbk through quantitative reliability metrics. Results Reliability analysis reveals Mean Time Between Failures values of 155.3 hours for the 1.5-ton forklift and 144.0 hours for the 3.5-ton forklift, with Mean Time To Repair recorded at 4.8 hours and 5.8 hours, yielding operational availability ratios of 0.80 and 0.75, respectively. Novelty Comparative quantitative evaluation establishes specific failure intervals and repair metrics across different forklift capacity specifications operating under identical industrial environments. Implications Establishing structured weekly operator inspections alongside monthly mechanical component replacements mitigates unexpected equipment failure and optimizes material handling productivity. Key Findings Highlights 1.5-Ton Forklifts Achieve Higher Reliability Interval Of 155.3 Hours 3.5-Ton Units Require Longer Mean Repair Time Of 5.8 Hours Periodic Inspection Schedule Prevents Premature Operational Equipment Breakdowns Keywords Forklift Maintenance, Preventive Maintenance, Mean Time Between Failure, Mean Time To Repair, Equipment Availability
Analysis of the Implementation of Critical Control Points (CCP) in the Original Mayonnaise Production Process at PT Bumbu Masak Indonesia: Analisis Penerapan Critical Control Point (CCP) pada Proses Produksi Mayonnaise Original di PT Bumbu Masak Indonesia Lailis Sabilah; Al Machfud WDP
Procedia of Engineering and Life Science Vol. 10 No. 1 (2026): Proceedings of the 9th Seminar Nasional Sains 2026
Publisher : Universitas Muhammadiyah Sidoarjo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21070/pels.v10i1.2980

Abstract

General Background Implementing stringent food safety management systems in industrial processing operations is essential to guarantee final product quality and protect consumer health. Specific Background Mayonnaise manufacturing requires rigorous control measures during formulation and packaging due to susceptibility to microbial instability and physical contamination. Knowledge Gap Although Hazard Analysis and Critical Control Point frameworks are widely adopted across food processing sectors, empirical evaluations mapping specific operational critical points in commercial mayonnaise lines under ISO 22000:2018 standards remain limited. Aims This study evaluates the application of Critical Control Points in the original mayonnaise production line at PT Bumbu Masak Indonesia to identify critical boundaries and corrective protocols. Results Operational workflow analysis confirms full system alignment with ISO 22000:2018 standards, identifying two primary Critical Control Points: premix pH regulation during final mixing (CCP 1) and post-packaging electromagnetic metal detection paired with automated rejection (CCP 2). Novelty Systematic mapping demonstrates that maintaining a strict pH threshold below 4.0 prevents pathogenic microbial proliferation and emulsion breakdown while final metal screening eliminates physical hazards. Implications Adhering to these established critical limits ensures consistent product stability, shelf-life integrity, and compliance with industrial food safety standards. Key Findings Highlights ISO 22000 Standardized System Identifies Two Primary Critical Points Premix pH Maintenance Below Threshold Guarantees Emulsion Stability Metal Detection System Eliminates Physical Contamination In Final Packaging Keywords Mayonnaise Production, Critical Control Point, Food Safety Management, Emulsion Stability, Physical Hazard Control

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