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All Journal OPSI SITEKIN: Jurnal Sains, Teknologi dan Industri Journal of Halal Lifestyle and Sustainability
Ramadhan, Fadhil Adita
Unknown Affiliation
Control & Systems Engineering Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Industrial & Manufacturing Engineering Other

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Development of smart logistic framework for blood donor information system based on Internet of Things Yulistiyanto , Mohamad Tri Angga; Mansur, Agus; Nur Cahyo, Winda; Ramadhan, Fadhil Adita
OPSI Vol 18 No 1 (2025): OPSI - June 2025
Publisher : Jurusan Teknik Industri, Fakultas Teknologi Industri UPN "Veteran" Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31315/opsi.v18i1.14732

Abstract

In 2021, the amount of blood production by the Indonesian Red Cross was higher than the existing needs. This can result in wasted blood bags. The availability of abundant blood bag supplies is not balanced with access to information on the availability of these blood bags. This study aims to build a smart logistics system that can provide information on the availability of blood bags in real-time. This study utilized a quantitative and explorative approach and employed the waterfall Software Development Life Cycle (SDLC) method using PHP and the CodeIgniter 3 framework, which was integrated with IoT devices such as sensors and GPS for real-time monitoring. In addition, this system will provide a tool to predict the number of donors needed, as well as estimate the number of donor quotas required during upcoming blood donation activities. This study has succeeded in developing a blood donor information system that adopts the smart logistics concept to control blood bag stock. The resulting system is capable of reducing the risk of shortages and obsolescence while enhancing synergy among stakeholders. The design of a system that facilitates openness of information on the level of blood needs and simplification of the donor system is expected to increase community responsibility in creating sustainable blood supply availability.
Optimization Of Integrated Material Procurement Processes In The Vendor Managed Inventory (VMI) System Mansur, Agus; Ramadhan, Fadhil Adita
SITEKIN: Jurnal Sains, Teknologi dan Industri Vol 22, No 2 (2025): June 2025
Publisher : Fakultas Sains dan Teknologi Universitas Islam Negeri Sultan Syarif Kasim Riau

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24014/sitekin.v22i2.34627

Abstract

This study aims to address challenges in the material procurement process within the steel fabrication industry, which currently relies on a manual, Excel-based system. Such a system is prone to data errors, delivery delays, and ineffective interdepartmental communication. The research employs a case study approach, incorporating direct observations, historical data analysis, and interviews with relevant stakeholders. The proposed solution is an integrated Vendor Managed Inventory (VMI) system, developed using the Waterfall model through stages ranging from requirements definition to system testing. Findings reveal that implementing the VMI system significantly enhances efficiency, transparency, and the speed of material procurement while improving collaboration between the company and its suppliers. Additionally, the system optimizes inventory management, reduces operational risks, and offers a scalable solution for various manufacturing sectors. In conclusion, the integrated VMI system contributes substantially to improving overall supply chain performance. Keywords: Efficiency, Integration, Inventory Management, Procurement, VMI System
Blockchain Framework-Based on Halal Assurance System for the Beef Supply Chain Mansur, Agus; Zaki, Ardan; Ramadhan, Fadhil Adita
Journal of Halal Lifestyle and Sustainability Vol. 1 No. 2 (2025): Desember
Publisher : Universitas Muhammadiyah Sidoarjo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21070/jhlshls

Abstract

This study aims to design a halal supply chain system integrated with blockchain technology to enhance transparency, traceability, and reliability in the halal certification process. The research addresses systemic limitations of Indonesia’s current halal assurance system, which depends heavily on human intervention and lacks integration among stakeholders. Using Oricow Meatshop Yogyakarta as a case study, the study employs an analytical and simulation-based approach, developing analytical designs, flow diagrams, and Data Flow Diagrams (DFD), and modeling the system through Causal Loop Diagrams (CLD) and Stock and Flow Diagrams (SFD) using Powersim software. The findings propose a consortium blockchain framework with a permissioned voting-based consensus mechanism to ensure data integrity and operational efficiency. The system integrates human and hardware oracles to verify halal-related data and record product movement, while smart contracts automate transaction verification based on halal certification standards. Simulation results show that blockchain implementation improves the halal assurance system’s performance, strengthens transparency, and increases consumer demand for halal products. Theoretically, this research contributes to the understanding of blockchain-based halal supply chains by connecting technological innovation with transparency and trust theories, demonstrating how blockchain mechanisms can be tailored to halal certification. Practically, it provides managerial insights for industry stakeholders to adopt blockchain as a digital infrastructure for credible and efficient halal certification management. However, the study’s scope is limited to a specific case and simulation framework, suggesting the need for broader empirical validation in future research.
Co-Authors Agus Mansur, Agus Cahyo, Winda Nur Yulistiyanto , Mohamad Tri Angga Zaki, Ardan