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All Journal Jurnal Sistem dan Manajemen Industri International Journal of Industrial Optimization (IJIO) JMES: The International Journal of Mechanical Engineering and Sciences
Maria Anityasari
Institut Teknologi Sepuluh Nopember
Decision Sciences, Operations Research & Management Energy Engineering Industrial & Manufacturing Engineering Materials Science & Nanotechnology Mechanical Engineering Transportation

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Human Performance and Cybersickness Evaluation of Mixed Reality Device for Immersive Assembly Simulation Training: A Case Study of Microsoft Hololens 2 Reza Aulia Akbar; Chiuhsiang Joe Lin; Retno Widyaningrum; Adithya Sudiarno; Maria Anityasari
JMES: The International Journal of Mechanical Engineering and Sciences Vol 9 No 1 (2025)
Publisher : LPPM, Institut Teknologi Sepuluh Nopember, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12962/j25807471.v9i1.22480

Abstract

A Mixed Reality device is a new technology that provides immersive training experiences. One of the mixed reality technology with high immersion, high interaction, and high information is Microsoft Hololens 2. Smart glasses are classified as OST-HMDs (Optical See-Through Head-Mounted Displays), which display augmented objects in a mixed-reality environment. The use of HMDs can cause cybersickness symptoms that users feel. This study aims to assess the human performance and cybersickness of Hololens 2 for immersive training. The training object was an augmented assembly engine comprising six parts. Using Hololens 2 as an assembly simulator training, participants experienced a significant increase in performance and learning rate with minor errors. Hololens 2 produces light symptoms that the user perceives as general discomfort, fatigue, difficulty focusing, sweating, difficulty concentrating, and blurred vision. However, Hololens 2 experienced negligible symptoms based on the cybersickness factor: Nausea (3.98), Oculomotor (6.32), and Disorientation (2.32). Based on the SSQ scoring matrix assessment, Hololens 2 obtained an SSQ score of 4.48, which is classified as a minor symptom of cybersickness.
A smart city infrastructure implementation framework – insights from smart street lighting implementation optimization Maria Anityasari; Rizki Amrizal; Erwin Widodo; Sjamsjul Anam; Boon Cheong Chew
International Journal of Industrial Optimization Vol. 6 No. 2 (2025)
Publisher : Universitas Ahmad Dahlan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12928/ijio.v6i2.13307

Abstract

In recent years, the concept of smart cities and infrastructure has gained momentum as a solution to challenges such as population growth, resource management, and environmental sustainability. Rapid urbanization in many developing countries highlights the need for efficient infrastructure planning and management. This framework offers a structured approach for decision-making and resource allocation, enabling prioritization of investments to maximize limited resources while supporting development goals. The framework is tested through an analysis of the Smart Street Lighting Systems (SSLS) in Surabaya, Indonesia, addressing the city's intention to upgrade street lighting to reduce maintenance costs and energy consumption. Currently, the street lighting system faces issues including a high rate of broken or damaged lights and inefficiencies in handling complaints. However, limited funding and varied regional needs constrain any comprehensive upgrade. The proposed framework integrates the Analytical Hierarchy Process (AHP) to prioritize regions as weighting inputs, Mixed Integer Goal Programming (MIGP) to optimize the distribution of SSLS and conventional LED lighting across regions, and Cost-Benefit Analysis (CBA) to evaluate financial feasibility. Results recommend purchasing 11,915 new SSLS units with region-specific distributions, achieving a financially viable Benefit-Cost Ratio (BCR) of 2.059. These findings demonstrate practical implementation of smart city principles, balancing cost-efficiency, service performance, and stakeholder priorities. Policymakers can use this framework to maximize impact within budget constraints. This framework serves as a viable template for other regions and countries embarking on smart city infrastructure implementation.
Understanding purchase decision for remanufactured laptops: A utility-based analysis of consumer preferences in an emerging economy Komang Nickita Sari; Maria Anityasari; Tatbita Titin Suhariyanto; Rindi Kusumawardani
Jurnal Sistem dan Manajemen Industri Vol. 10 No. 1 (2026): June
Publisher : Universitas Serang Raya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30656/jsmi.v10i1.11890

Abstract

This study investigates the determinants of consumers’ purchase decisions for remanufactured laptops in Indonesia, where a limited understanding of remanufacturing continues to hinder adoption of the circular economy. Rather than examining purchase intention, the study model’s purchase decision as a trade-off-based decision process reflects consumers’ decision-making of remanufactured products. A MaxDiff (Best–Worst Scaling Case 1) discrete choice experiment was conducted involving 434 Indonesian undergraduate students. Preferences were modeled within a random utility theory framework using multinomial logit estimation via maximum likelihood, and consumer heterogeneity was subsequently examined through latent class analysis, revealing four distinct preference segments. The results show that the dominant driver of purchase decision is functionality expectation, followed by perceived consumer effectiveness and perceived safety, indicating that consumers prioritize performance assurance and risk reduction over environmental motivations. Environmental consciousness and social influence have weaker effects, indicating an attitude–behavior gap for sustainable consumption. Furthermore, the latent class analysis identified four heterogeneous consumer segments with varying valuation logics. This suggests practical implications for future strategies to increase the purchase decision of remanufactured electronics in emerging economies through knowledge creation about the customer perceptions, where a greater emphasis on functional reliability, certification, and transparent quality communication may prove more effective than traditional environmental appeals.
Analyzing operational risks of a recyclable waste-based payment public transit system in Surabaya, Indonesia Maria Anityasari; Naning Aranti Wessiani; Atikah Aghdhi Pratiwi; Fathaliati Zikri Musev Putri; Hilmi Cahya Rinardi; Matheus Bimo Aryo Prakoso; Nofinda Ghaisani
Jurnal Sistem dan Manajemen Industri Vol. 9 No. 1 (2025): June
Publisher : Universitas Serang Raya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30656/jsmi.v9i1.10203

Abstract

Suroboyo Bus, a municipal public transportation initiative managed by the Surabaya Department of Transportation (SubDOT) in Indonesia, was launched to promote the use of public transit by accepting recyclable plastic waste as transit fare payments. However, this transportation system presented challenges, as prior to 2019, Suroboyo Bus performed its operational activities without adequately incorporating operational risk, specifically considering Health, Safety, and Environment (HSE) factors. The analysis of risk profiles and a mitigation plan concerning the well-being of both their staff and passengers was uncomprehensive. To address these issues, this paper evaluates the operational risk based on ISO 31000:2018, the Failure Mode and Effect Analysis (FMEA), and the Benefit Cost-Analysis (BCA). The analysis identified 114 risks and 189 combinations of risks and impacts across 70 business processes associated with Suroboyo Bus operations, with varying degrees of risk severity. Risk prioritization analysis was performed using the Pareto 80:20 principle. Proposed risk response strategies include avoidance, mitigation, transfer, and tolerance. Evaluation of the feasibility of these strategies through benefits and cost analysis, supplemented by a sensitivity analysis, revealed Benefit-Cost Ratio (BCR) values ranging from 1.041 to 1.471, indicating that the proposed mitigation plan is feasible for all evaluated scenarios. These findings underscore the importance of implementing risk mitigation measures to improve the sustainability and effectiveness of the Suroboyo Bus service. Future research should explore the digital application developed for Suroboyo Bus passengers as part of the business process named “Golek Bis” (GOBIS) and other methods that can be used to enhance the quality and comprehensiveness of risk management.
Co-Authors Adithya Sudiarno Atikah Aghdhi Pratiwi Boon Cheong Chew Chiuhsiang Joe Lin Erwin Widodo Fathaliati Zikri Musev Putri Hilmi Cahya Rinardi Komang Nickita Sari Matheus Bimo Aryo Prakoso Naning Aranti Wessiani Nofinda Ghaisani Retno Widyaningrum Reza Aulia Akbar Rindi Kusumawardani Rizki Amrizal Sjamsjul Anam Tatbita Titin Suhariyanto