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Jurnal Teknologi dan Manajemen
Published by Institut Teknologi Adhi Tama Surabaya
ISSN : -     EISSN : 27211878     DOI : https://doi.org/10.31284/j.jtm.2024.v5i1.5411
Core Subject : Engineering,
Engineering
Jurnal Teknologi dan Manajemen (JTM), ISSN 2721-1878, is an open-access journal dedicated to provide a platform in management and technology aspects. This journal aims to publish renewable works in implementation of basic theories, experiments, simulations, and applications with systematic method; reviews of previous works; expansions of summary; or others. This journal is published twice a year, on January and July.
Arjuna Subject : Teknik (semua kategori) - Teknik (Lain-Lain)
Articles 8 Documents
 1 
Search results for , issue "Vol 7, No 1 (2026): January (In Progress)" : 8 Documents clear
Analysis of Lean Manufacturing and Agile Manufacturing Implementation to Reduce Waste and Improve Productivity in Crankshaft Repair Production (Case Study: PT. Intidaya Dinamika Sejati – Jember) Ardiansyah, Syahrul; Prabowo, Rony; Hadi, Surjo
Jurnal Teknologi dan Manajemen Vol 7, No 1 (2026): January (In Progress)
Publisher : Lembaga Penelitian dan Pengabdian kepada Masyarakat ITATS

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31284/j.jtm.2026.v7i1.7957

Abstract

This study aims to analyze the implementation of Lean Manufacturing and Agile Manufacturing in reducing waste and increasing productivity in the crankshaft repair production process at PT. Intidaya Dinamika Sejati – Jember. Value Stream Mapping (VSM) and Process Activity Mapping (PAM) methods are used to identify non-value-added activities. Root Cause Analysis, Pareto Diagram, and Fishbone Diagram are employed as supporting tools to analyze the main causes of waste. Agile Manufacturing is examined through the aspect of production flexibility. The results show that the dominant waste involves waiting time. After the implementation of improvements, there was an increase in production efficiency,  and an improvement in process lead time. The integration of Lean and Agile Manufacturing has proven effective in enhancing the company's operational performance.
Optimizing the Number of Internal Trucks Based on Berth Allocation and Quay Crane Assignment at a Container Terminal Lutfianto, Muchammad Alfan; Siswanto, Nurhadi; Baihaqy, Ahmed Raecky
Jurnal Teknologi dan Manajemen Vol 7, No 1 (2026): January (In Progress)
Publisher : Lembaga Penelitian dan Pengabdian kepada Masyarakat ITATS

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31284/j.jtm.2026.v7i1.8048

Abstract

The increase in international trade and production automation has led to a global container traffic surge at ports, including Terminal Peti Kemas X, one of Surabaya's main domestic terminals. This situation requires more effective and efficient management of handling equipment, particularly internal trucks that link the dock and the stacking yard, to avoid congestion and operational delays. However, the loading and unloading performance and vessel service at this terminal are not optimal due to fluctuating container flows and suboptimal equipment allocation, particularly for quay cranes (QC) and internal trucks (IT). This study aims to optimize the number of internal trucks based on quay allocation and quay crane assignment tailored to the volume of containers being loaded and unloaded, using discrete event simulation as the primary approach. Performance is measured using two leading indicators: box/crane/hours (BCH) and vessel turnaround time (TRT). Under existing conditions, the BCH and TRT values are 23.43 boxes and 15.24 hours, respectively. Several improvement scenarios were developed by varying the number or ratio of quay crane and internal truck assignments, without adding new equipment. The scenario analysis found that the best scenario has a container volume configuration of 150 boxes with 2 QC and 7 IT assignments, while a container volume of 150 boxes has 2 QC and 11 IT assignments. This configuration can increase BCH to 25.33 boxes and reduce TRT to 11.82 hours. These findings indicate that this approach is practical in significantly improving system performance.
Advertising Strategy in Oligopoly Market Competition using Game Theory Approach Hafizh, Muhammad Abdul; Widodo, Erwin
Jurnal Teknologi dan Manajemen Vol 7, No 1 (2026): January (In Progress)
Publisher : Lembaga Penelitian dan Pengabdian kepada Masyarakat ITATS

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31284/j.jtm.2026.v7i1.7252

Abstract

In oligopoly markets characterized by homogeneous products, producer competition engenders intense rivalry. To prevail over the market, producers employ diverse strategies to boost sales of their respective products, with advertising being a prominent tactic. This strategy aims to augment market awareness of their offerings. This study aims to examine the competitive conduct of producers in oligopoly markets through the lens of game theory. The decision-making scheme under consideration is based on Stackelberg, wherein the leader determines the initial strategy, which the follower then matches. The results of this study indicate that large companies exhibit greater resilience in maintaining their market share compared to small companies. Predatory advertising strategies are found to be effective for companies with large market shares in keeping market dominance. However, for companies with smaller market shares, the adoption of cooperative advertising strategies is recommended to enhance product image without the risk of excessive advertising expenditures
Efforts to Improve Customer Satisfaction with Wood Pellets Using the CARTER Method Marnoto, Marnoto; Sopi, Sopi; Novandalina, Arini
Jurnal Teknologi dan Manajemen Vol 7, No 1 (2026): January (In Progress)
Publisher : Lembaga Penelitian dan Pengabdian kepada Masyarakat ITATS

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31284/j.jtm.2026.v7i1.8246

Abstract

This study aims to evaluate and improve customer satisfaction with wood pellets in Semarang by applying the CARTER method (Compliance, Assurance, Reliability, Tangibles, Empathy, and Responsiveness). A quantitative approach with an explanatory design was chosen to measure the impact of the CARTER intervention on customer perceptions. The sample consisted of 100 active wood pellet customers who were purposively selected (customers with ≥ 1 year of experience, had submitted complaints, and were willing to participate). Primary data was collected through a validated Likert scale 1–5 questionnaire (Cronbach's α gt; 0.6). The analysis included descriptive statistics, validity and reliability tests (SPSS 25). The results show that all CARTER dimensions scored an average of ≥ 4.0 on a 1–5 scale, indicating generally positive perceptions. Regression analysis revealed that Empathy and Responsiveness had the most significant impact on overall satisfaction. Based on the findings, the researcher recommends optimizing the logistics system through the use of digital platforms to improve delivery timeliness, enhancing service training focused on product expertise and quick solution capabilities, and strengthening transparency in communication regarding technical standards and environmental regulations to maintain customer trust. This study contributes theoretically by filling a research gap in the literature on customer satisfaction with wood pellets, which has primarily focused on technical production aspects. Practically, the findings offer a CARTER framework that can be adopted by wood pellet producers and distributors in Indonesia to enhance regional competitiveness and support the achievement of national renewable energy mix targets.
Service Supply Chain Risk Analysis and Control of Port Based on the using HOR Approach Perdana, Kevin Gabrianto Rizky; Partiwi, Sri Gunani
Jurnal Teknologi dan Manajemen Vol 7, No 1 (2026): January (In Progress)
Publisher : Lembaga Penelitian dan Pengabdian kepada Masyarakat ITATS

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31284/j.jtm.2026.v7i1.8079

Abstract

Ports have an important role in the maritime transportation system but also face various obstacles and threats to different types of risks. Economic conditions and activities that tend to be complex and uncertain such as the threat of the COVID-19 pandemic, climate change, and geopolitics cause port development and operations to face various challenges and uncertainties.  The ASDP port of the Juata Tarakan ferry has become one of the important parts of community activities to travel from Tarakan island to the surrounding islands such as Tana Tidung and Nunukan. Various studies have been conducted to learn about the operational phases of ports, but not about the overall life cycle. In addition to operational factors, there are environmental factors that still need to be explored in order to avoid failure to distinguish the causes and consequences of risks from risk events. In this study, the process of identification, analysis, and risk mitigation is carried out using a house of risk approach to be able to identify risk events and risk causative agents. This study seeks to explore the risk that is a key component by looking for the relationship between one risk agent and another risk agent and its impact on port companies. Risk prevention actions are discussed in this study in order to be an insight to rethink port risks and design strategic management. The purpose of this study is to help port authorities, especially ASDP ferry, to develop an understanding and management approach to risk from all aspects of the life cycle of the port
Analysis of Use Formwork and Slipform Pavers in Making Concrete Barrier on Toll Road Project Aditama, Akhmad Taufik; Saraswati, Nina; Satriawan, Puthut
Jurnal Teknologi dan Manajemen Vol 7, No 1 (2026): January (In Progress)
Publisher : Lembaga Penelitian dan Pengabdian kepada Masyarakat ITATS

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31284/j.jtm.2026.v7i1.8308

Abstract

The making of concrete barrier on the KAPB Toll Road Project Package II Section 1 still uses manual formwork. The use of manual formwork is considered easier to implement, but less efficient because concrete barrier in the form of prototypes should be done practically. Innovation in the field of construction has created Slipform Paver to print concrete barrier. Slipform pavers are believed to be able to produce better productivity than manual formwork. This study analyzed productivity, work duration and costs in the use of molding concrete barrier as an effort to accelerate work. Observations on the making of concrete barrier were carried out in one cycle time from land preparation to finishing the work. Concrete barrier made with manual formwork use readymix concrete FC 20 slump + 10 cm, while slipform pavers use readymix concrete FC 20 slump 4-5 10 cm. The results of the study showed that in making concrete barrier the use of slipform pavers can accelerate the completion of work by up to 46.01% and save costs by 14.3% compared to using manual formwork. In working on all concrete barrier using manual formwork can be done, but requires additional resources so that it can be completed on time.
Determination of Technical Specifications for a Digital QR Code System Using Axiomatic House of Quality for Error Prevention Aditya, Wulung; Hariastuti, Ni Luh Putu
Jurnal Teknologi dan Manajemen Vol 7, No 1 (2026): January (In Progress)
Publisher : Lembaga Penelitian dan Pengabdian kepada Masyarakat ITATS

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31284/j.jtm.2026.v7i1.8184

Abstract

This study aims to determine the technical specifications of a digital QR Code system for the weighing process of practical spice powder recipes using Axiomatic House of Quality to prevent human error. User requirements data were collected from 25 respondents and validated through a Focus Group Discussion (FGD) involving 9 technical experts. The results identified 14 Customer Attributes (CA), which were subsequently translated into 14 Design Parameters (DP). Design matrix analysis indicated that the system is categorized as an uncoupled design, where each Functional Requirement corresponds to a specific DP, thus maintaining the independence of functions and design parameters. The resulting technical specifications are practical and applicable, covering hardware components, user interface, alarms, data storage systems, and material detection mechanisms. Therefore, the designed digital QR Code system can prevent weighing errors caused by human error and enhance product quality from the consumer’s perspective
Application Of Stepping Stone And Simplex Methods For Planting Optimization With Topsis As A Determining Criteria Hartono, Rudi; Lukmandono, Lukmandono
Jurnal Teknologi dan Manajemen Vol 7, No 1 (2026): January (In Progress)
Publisher : Lembaga Penelitian dan Pengabdian kepada Masyarakat ITATS

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31284/j.jtm.2026.v7i1.8266

Abstract

Wonorejo Surabaya Nursery plays an important role in providing plants for green open spaces and urban greening programs. This poses challenges in managing the efficiency of land allocation, plant selection, and seed distribution. This study aims to develop an integrative model using the TOPSIS method to determine the best plant criteria, as well as the Stepping Stone and Simplex methods for optimizing distribution and resource allocation. TOPSIS is used to evaluate plant alternatives based on five main criteria. The results of the study show four priority plants, namely Bromeliad (0.47487), Gandasuli (0.46952), Spiderlili (0.45214), and Adam Hawa (0.59221). The next step is to create a Simplex model with 5 existing constraints, namely land area, water availability, number of workers, personnel working hours, and soil and compost availability. The Z max value is 23.668 with the Adam Hawa decision variable value of 40. For the distribution model, the Northwest Corner method is used and optimized with the Stepping Stone method, resulting in an efficiency of 0.88%. The integration of TOPSIS, Stepping Stone, and Simplex can reduce operational costs and also improve the quality of decision-making to truly support the sustainability of the city's environment.

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