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INDONESIA
IJIES (International Journal of Innovation in Enterprise System)
Published by Universitas Telkom
ISSN : -     EISSN : 25803050     DOI : -
Core Subject : Science, Engineering,
Computer Science & IT Control & Systems Engineering
Arjuna Subject : -
Articles 8 Documents
 1 
Search results for , issue "Vol. 3 No. 1 (2019): International Journal of Innovation in Enterprise System" : 8 Documents clear
QUALITY METRIC DESIGN USING INTERNAL CONTROL METHOD TO CONTROL THE QUALITY OF FIBER OPTIC INSTALLATION PROJECT Abdurrahman, Ahmad Fauzan; Delvika, Rizka Hasna; Haryono, Imam; Pratami, Devi; Bermano, Ageak Raporte
International Journal of Innovation in Enterprise System Vol. 3 No. 1 (2019): International Journal of Innovation in Enterprise System
Publisher : School of Industrial and System Engineering, Telkom University

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Abstract

To provide internet network, one of public Telecommunication provider in Indonesia conduct several project related to fiber optic cable installation such as the STO Modernization Feeder project. In every project implementation, the company is concerned with quality in order to remain competitive with competitors. Deliverable which meets the project quality will produce the product in accordance with the requirements. STO Garut Feeder Modernization Project was experiencing delays which is caused by the non-conformity project deliverable to project specification during monitoring & controlling phase. At project planning, the quality metric was not designed, which can be used as a guideline for vendor in carrying out the project task and to assist the process of quality control. Quality metric design is carried out using internal control methods that can identify possible errors in each project activity and critical success criteria that define a successful activity that will be performed. Result shows that only 67.1% statement (critical success criteria) form critical activity is implemented. This result can answer why the project delay because the activity on critical path is mostly re-worked due to non-conformity issues. Keywords—Quality, quality metric, internal control, control quality, telecommunication project
DESIGNING ROUTE DISTRIBUTION USING TWO PHASE TABU SEARCH ON HETEROGENOUS FLEET VEHICLE ROUTING PROBLEM WITH TIME WINDOW IN PT. XYZ TO MINIMIZE TRAVEL DISTANCE Pratami, Devi; Puspitasari, Nurfitri Ayu; Haryono, Imam; Brilliane, Citra Septi; Ridwan, Ari Yanuar; Aurachman, Rio
International Journal of Innovation in Enterprise System Vol. 3 No. 1 (2019): International Journal of Innovation in Enterprise System
Publisher : School of Industrial and System Engineering, Telkom University

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Abstract

XYZ is a pasteurization milk processing company that produce milk drink from pure cow milk. PT. XYZ don’t sell their product directly to end user, instead they distribute their product to many companies which serve milk for their employees or operators in lunch time. So, their customer is mostly a manufacture company from various kinds of industry. They have about 40 customers and most of them are outside Bandung. However, the delivery may not be done as planned. The average on time delivery is around 96%. it is below PT. XYZ target which is 98%. The impact of the delay itself is vary between customers. Because when delay occur, each customer has their own regulation that has been settled in agreement contract. Based on the delay recapitulation above, there are several factors that caused this problem. Delay in departure is the most influential factors. It is because PT. XYZ don’t have fixed schedule of delivery and they miscalculate the departure time because of improper route determination that also leads to longer travel time. This case is categorized as Vehicle Routing Problem with Heterogeneous Fleet and Time Window (VRPHFTW) that will be solved using one of meta-heuristics algorithm which is Two Phase Tabu Search Algorithm to minimize travel distance. In the end, the travel distance can be minimized 19.48%. Keywords—Vehicle Routing Problem with Heterogenous Fleet and Time Window (VRPHFTW), Meta-Heuristics, Two Phase Tabu Search Algorithm.
IT Services Quality Measurement Using IT SERVQUAL at University X Putri, Tantri Febiara; Nugraha, Fida Nirmala; Pratami, Devi; Suwarsono, Litasari
International Journal of Innovation in Enterprise System Vol. 3 No. 1 (2019): International Journal of Innovation in Enterprise System
Publisher : School of Industrial and System Engineering, Telkom University

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Abstract

Information technology plays a major role to enhance service activities in organizations as well as in higher educational institutions / universities. A special unit (Sisfo) at University X is dedicated to handles daily technology-based services. Every year the performance of the unit is evaluated to increase customer satisfaction and yet the result is contradictory. Using balanced scorecard, the result showed that the unit's performance is in a good category, but when it comes to the satisfaction questionnaire the result said otherwise. This puzzling result due to not so appropriate tools of measurement for the unit’ services. This study conducted performance measurement using IT SERVQUAL to tap the perceived service and expected service of the Sisfo Unit’, form the eyes of the students as the largest customers, on the 6 dimensions: tangibles, responsiveness, reliability, assurance, emphaty and usability. Service dimensions that require immediate action are physical facilities such as hardware and software that are up to date, and processes related to academic activities such as failure to enter into a system, card recording errors, and students’ presence list errors. Keywords— IT SERVQUAL, performance measurement, satisfaction, services
FLOWSHOP SCHEDULING WITH SEQUENCE DEPENDENT SET-UP TIME USING IMMUNE ALGORITHM TO REDUCE MAKESPAN IN PT. XYZ BANDUNG AS A TEXTILE INDUSTRY Jonathan, Fernaldi; Mulyana, Rahmat; Prasetyo, Yuli Adam; Nasution, Shafira T.; Damayanti, Dida D.; Juliani, Widia
International Journal of Innovation in Enterprise System Vol. 3 No. 1 (2019): International Journal of Innovation in Enterprise System
Publisher : School of Industrial and System Engineering, Telkom University

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Abstract

In manufacturing operations, production system is certainly an important aspect. Thus, company should do the planning and production control well in order to have satisfactory system. One of the production planning process is scheduling. This process is one of the main process in production planning. The urge of doing the scheduling process is due to scheduling is the details of the planning process. The production scheduling in textile industry is considered as the industry with the hybrid flow shop scheduling type. Moreover, in this company there are several machine have the characteristic of sequence dependent setup time. Thus, in order to get the optimal solution this research used Immune Algorithm. This algorithm combines an efficient mutation to cooperate the pursuit for a near-optimal solution. Keywords—Hybrid flow shops, Sequence Dependent Setup Times, Makespan, Immune Algorithm
Proposal of Product-Replenishment Policy Determination on Multi-Source Problems to Minimize Over Stock in DC PT. XYZ Area Bandung Using Mixed-Integer Programming Method Tungadi, Adri Riawan; Dyah, Saskia; Aurachman, Rio; Santosa, Budi
International Journal of Innovation in Enterprise System Vol. 3 No. 1 (2019): International Journal of Innovation in Enterprise System
Publisher : School of Industrial and System Engineering, Telkom University

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Abstract

XYZ is one of the companies engaging in fast moving consumer goods (FMCG) sector and produce soft drinks as its main product. In supporting the product distribution to its customers, PT XYZ has several administrative offices and distribution centers (DC) which spread across each region. The DC has main function as the warehouse which has storage activity before the products are distributed. One of the DC is located in Bandung, West Java. DC Bandung itself received product shipments from three factories, such as Cibitung, Cakung and Tambun. Related to the product shipment, DC Bandung has not determined the replenishment policy, and this condition results over stock at some periods, due to the unscheduled delivery time and undetermined product quantity. This condition gives a big impact to the total inventory cost that has to be borne by DC Bandung. This research was conducted to give the proposal of product replenishment policy using mathematical model with mixed-integer programming method as one of the linear programming types, which aimed to minimize over stock and total holding cost in DC Bandung with several constraints. Mathematical modeling is involved in this research as an approximation to the real replenishment system in the DC. The results of application of the proposed method are in the form of analytical solution, such as order quantity, and reorder point of each product that will give an impact to the total unit inventory and the total holding cost in the DC. The results calculation of replenishment policy provide savings on total inventory costs as much as IDR 23,800,981.20 Keywords—Mixed-Integer Programming, Order Quantity, Over Stock, Replenishment Policy.
Inventory Planning with Method Q and Method P for Probabilistic Demand on Chrysanthemum Seeds at PT Transplants Indonesia Sutoni, Akhmad; Taufik, Dani Hamdan
International Journal of Innovation in Enterprise System Vol. 3 No. 1 (2019): International Journal of Innovation in Enterprise System
Publisher : School of Industrial and System Engineering, Telkom University

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Abstract

Fluctuating and uncertain demand is a problem faced by manufacturing firms. The problem can be mitigated by the availability of inventory systems. This inventory serves to ensure the availability of appropriate resources in the right quantity and at the right time, so as to minimize the costs incurred. PT. Transplants Indonesia is a company engaged in the business of chrysanthemum flower in Indonesia. PT. Transplants Indonesia is a subsidiary of Okinawa Flower Agricultural Cooperative Association (OKF) in Okinawa, Japan. The purpose of this company establishment is to meet the demand of farmers who are members of the OKF. In the case of backorder, on Q method with probabilistic request the size of the lottery (Q) is always fixed for every time the order is made and the order is made if the amount of inventory system has reached a certain level (r) called the reorder point. In method P with probabilistic order requests made according to a fixed interval of time (T) and the ordering does not exceed the maximum inventory limit (R). Total Inventory cost incurred by the company using the method used by the company amounted to Rp.74.995.360,84. The inventory model using the Q method generates a total inventory cost of Rp.70.253.291,46. Meanwhile, inventory model using P method resulted in total inventory cost of Rp.71.529.327,17. So economically, the selected inventory model is the inventory model with the Q method which has a lower total inventory cost value than using the P method. Keywords— Inventory system, Probabilistic, Backorder, Method Q, Method P, Reorder point.
DETERMINATION OF INVENTORY PERIODIC REVIEW POLICY (R, s, S) USING POWER APPROXIMATION METHOD FOR MINIMIZE TOTAL INVENTORY COST IN PT. OPQ Syafira, Jihan Herdiyanti; -, Ratnawia; Aurachman, Rio; Kenaka, Saskia Puspa
International Journal of Innovation in Enterprise System Vol. 3 No. 1 (2019): International Journal of Innovation in Enterprise System
Publisher : School of Industrial and System Engineering, Telkom University

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Abstract

OPQ is a company engaged in the automotive manufacturing industry. The company produces bolts for the safety area, it is related to the lower body of the four-wheeled vehicle. PT. OPQ was established in 2014 and today has already been the supplier for several major automotive companies in Indonesia. The demand of PT OPQ that must be fulfilled is increasing as the amount of consumer is increasing too. Due to the high demand, so the raw material stockout occurs. This make the company's service level is below the standard. This study involved 48 sku of material raw materials that have normal distributed demand. Inventory policy applied in this research is periodic review (R, s, S) with the aim to minimize total cost of inventory and improve service level of company. The result of this research was found to decrease total inventory cost by 15% with the value of existing inventory cost Rp1.100.879.479,- to Rp 936.061.349,- . In addition, service level at PT. OPQ has increased with the value of existing conditions 85% to 99%. Keywords—Raw Material, Periodic Review, Probabilistic, Service Level, Stock out
Design of Reporting, Evaluation, and Monitoring Application for Student Organization in University Soesanto, Rayinda Pramuditya; Rizana, Afrin Fauzya; Andrawina, Luciana
International Journal of Innovation in Enterprise System Vol. 3 No. 1 (2019): International Journal of Innovation in Enterprise System
Publisher : School of Industrial and System Engineering, Telkom University

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Abstract

In few decades, the development of information system has been increased rapidly. It is because most organization in various sector of industries, commerce, government, or even education become highly dependent on the use of information system. The purpose of this study is to design the application that will facilitate the reporting, evaluation, and monitoring activities of student organization based on what user needs. The object of this study is student affair department in one of faculty in one of universities in Indonesia. The method employed in this study to design the system is waterfall. The system designed in this study is focus on the activities related to student organization activities. The result of this study found that there are eight dimensions of web quality that has to be fulfilled by the system according to the result of focus group discussion and Delphi method. The system designed in this study was adjusted to the needs that have been defined previously. Keywords—Information system design, student organization, waterfall method

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