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IPTEK Journal of Proceedings Series
Published by Institut Teknologi Sepuluh Nopember Surabaya
ISSN : 23546026     EISSN : -     DOI : -
Core Subject : Science,
Computer Science & IT
IPTEK Journal of Proceedings Series publishes is a journal that contains research work presented in conferences organized by Institut Teknologi Sepuluh Nopember. ISSN: 2354-6026. The First publication in 2013 year from all of full paper in International Conference on Aplied Technology, Science, and Art (APTECS). It publish one time a year after the held of APTECS event.
Arjuna Subject : -
Articles 1,079 Documents
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Improvement of Overhaul Maintenance Management System Based on Failure Method Operation Failure Analysis Using The FMEA Method Ika Syarah Firmansyah; Suparno Suparno
IPTEK Journal of Proceedings Series No 3 (2020): International Conference on Management of Technology, Innovation, and Project (MOTIP) 2
Publisher : Institut Teknologi Sepuluh Nopember

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12962/j23546026.y2020i3.11224

Abstract

The Failure Mode and Effect Analysis (FMEA) methodology is a recent systematic approach to analyze and assess identified waste (potential failure mode) on products / services or processes and prevent the frequency of occurrence. This study aims to develop FMEA and is used to analyze the root causes of failure and pareto diagrams to show the most critical identified failures for immediate corrective action. While the Faultr Tree Analysis (FTA) method analyzes system failures from a combination of several systems, levels below and component failures. The results achieved are failure priorities based on the largest RPN value and then action recommendations are taken to address them. The results of this study indicate that in the process of maintaining the plant overhaul there are several wastes. For each waste identified (failure mode) it has been analyzed using Pareto diagrams. To facilitate the assessment of identified waste carried out by respondents from management and experts in their fields through questionnaires. The results will produce a risk priority number (RPN), where the HP TBV HRSG fails to operate at 210, the HP BFP pump is off at 196, the BCP pump has a high Vibration of 192. While the root cause of the potential failure mode has been identified by fault tree analysis (FTA). While some alternative improvements such as: There is a need for training for operators to know and recognize the system, involvement of operators in carrying out repairs / maintenance is important, increasing the availability of spare parts in the field is recommended for the company.
Analysis of Factors Affecting Operator Performance with Partial Least Square Approach Tommy Ivantoro; Bambang Syairudin
IPTEK Journal of Proceedings Series No 3 (2020): International Conference on Management of Technology, Innovation, and Project (MOTIP) 2
Publisher : Institut Teknologi Sepuluh Nopember

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12962/j23546026.y2020i3.11072

Abstract

UP PT is unable to meet the targets set in the SdOF, SOF, and PS categories. There are several things that cause it, such as High Pressure Heater leakage, and boiler pipes leakage. Coal switching which also have an impact on the frequent occurrence of derating and human error. This condition is defined by operator incompetence, there is an increase in the number of late for work in 2018. Study conducted to improve operator performance. The questionnaire was used as a medium for data collection of the entire population at UP PT since analyzed with the Partial Least Square method. The results shows compensation variables, organizational culture, training effectiveness had a significant influence on employee performance with and without mediated by work motivation. Therefore, the company carries out performance improvement related to compensation through dispensation arrangements, leave, improvement of supporting facilities. It organize operational safety standards for workforce formation, conducting work instructions review for the organizational culture. The allocation of bussiness trip and basic maintenance for training effectiveness. Then work motivation by setting talent criteria that consider to the preparation of outstanding candidates.
Apartment Façade Design Characteristics for Middle and Upper Occupants with Ecological Design Approach Yoga Pramatatya; Vincentius Totok Noerwasito; Arina Hayati
IPTEK Journal of Proceedings Series No 6 (2020): 6th International Seminar on Science and Technology 2020 (ISST 2020)
Publisher : Institut Teknologi Sepuluh Nopember

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12962/j23546026.y2020i6.11111

Abstract

Social and economic conditions affect people’s behavior and preference for housing and the selection of housing area and its design. People with higher economic and social conditions will choose a better quality of housing and the environment. This decision also influences housing preference for apartment design. The quality of the apartment is influenced by a healthy environment, the use of energy that is efficient and can be recycled, using the eco-design approach, and basic facilities are provided. This study focuses on design-based research for designing an apartment building that suits the preferences of middle and upper occupants with an ecological approach. In this study, middle and upper occupant preference determines the shape of the facade design in buildings. In order to determine design parameters and criteria, this study uses a literature review, data analysis, and architectural precedent study. The result finds that several aspects are synthesized and selected as general design criteria apartment buildings. The important parameters in the design of the facade of the building are attractive façade design and emphasize the changing color through vegetation design inside and surrounding the building facades at each season. The building is designed minimalist architecture with a neutral color selection that is combined with natural colors such as wood and stone. Parts of apartment facilities can also be accessed by the occupants easily. Placement of vegetation evenly gives the impression of being close to nature and provides relaxation for each occupant of the apartment building.
A Model of Supplier Selection Under Vendor Managed Inventory Contract Zabrina Masud Mangka; Suparno Suparno; Erwin Widodo
IPTEK Journal of Proceedings Series No 6 (2020): 6th International Seminar on Science and Technology 2020 (ISST 2020)
Publisher : Institut Teknologi Sepuluh Nopember

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12962/j23546026.y2020i6.11134

Abstract

VMI is the main concept for gaining accurate information and information sharing from customers to suppliers to achieve low safety stock levels, efficient inventory cost, and a reduction of ordering cost. There are many suppliers who supply spare part products under the VMI contract. Therefore, the company needs to make a decision for selecting a qualified supplier in order to improve customer service level and customer satisfaction. In addition, the uncertainty and vagueness of the expert's opinion is the prominent characteristic of the problem. Therefore an extensively used multi-criteria decision-making tool AHP can be utilized as an approach for supplier selection problems. This paper reveals the application of AHP model determining the best supplier with respect to selected criteria for selecting the best supplier under the VMI contract among the alternatives. There are criteria in this study namely quality, price, delivery, service, supplier’s background, and Information technology which include thirty subcriteria covers in the VMI contract. This research might be identified the critical criteria for supplier selection under the VMI contract.
Analysis of River Shape and River Bank from West Pillar in Sebatik Island to AA2 Pillar Using Multi-Temporal Satellite Imagery and its Influence to Determine Boundary of Indonesia-Malaysia Ardiawan Jati; Danar Guruh Pratomo
IPTEK Journal of Proceedings Series No 6 (2020): 6th International Seminar on Science and Technology 2020 (ISST 2020)
Publisher : Institut Teknologi Sepuluh Nopember

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12962/j23546026.y2020i6.8939

Abstract

River as the boundary is listed in the 1915 Netherland-British Agreement with its Annex Map without any clear coordinates. This is an obstacle in tracing boundaries in the real river because river is dynamic, changes in the river shape and river bank can occur in more than 100 years. Multi-temporal Landsat satellite imagery processed with a combination of bands (color composite) is used to observe the position of the river bank from 1989 to 2019 with visual interpretation and manual digitization. As a result, over 30 years there was a shifting in the Sikapal river bank with an average 10.8 m on the right side (Indonesia) and 13.6 m on the left side (Malaysia). The average shifting of the Tamboe river bank is the right side 19.8 m and on the left side 9.1 m. The shifting is relatively small because around the Sikapal and Tamboe rivers banks are overgrown by mangrove forests which can slow down the rate of erosion. River banks in 1989, 1999, 2009 and 2019 were used as a basemap for delimitation of the Indonesia-Malaysia boundary using a three-stage approach method. As a result, there are differences in the shape of the boundary line although it is small. Furthermore, Indonesia river area increased 13.4 ha and 14,3 ha for Malaysia river area.
Strategic Analysis on Start-Up Business Using Objectives and Key Results Method in Rumah Kapas Holding Bassam Muhammad Drehem; Iwan Vanany
IPTEK Journal of Proceedings Series No 3 (2020): International Conference on Management of Technology, Innovation, and Project (MOTIP) 2
Publisher : Institut Teknologi Sepuluh Nopember

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12962/j23546026.y2020i3.11209

Abstract

The Textile and Garment Industry is one of the industrial sectors in Indonesia which is a priority by the Ministry of Industry in the "Making Indonesia 4.0" program. This causes the higher demand for better product quality. By asking for quality demand it will become a hot segment for garment companies. Seeing this opportunity, Rumah Kapas as a company in the garment field needs to improve its strategy to meet new challenges and demands from the textile and garment industry. This research is going to be conducted by analysing internal and external data from the company. Resulting data will be processed using SWOT Analysis and Five Forces Analysis. Those will provide an output in a form of generic strategies by Porter and give strategic recommendation that will be translated to objectives and key result using Objectives and Key Result (OKR) method. Strategy analysis usage in this research aim the capability of Rumah Kapas to determine the company position and the availability of recommendation and evaluation for company to achieve its ideal condition.
Product Quality Improvement in the Assembly Process of the 5.56 mm Ammunitions (Variant MU5-TJ) at PT.X Using the Six Sigma Method Ratna Sari Trisna Wardani; Mokhamad Suef
IPTEK Journal of Proceedings Series No 3 (2020): International Conference on Management of Technology, Innovation, and Project (MOTIP) 2
Publisher : Institut Teknologi Sepuluh Nopember

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12962/j23546026.y2020i3.11196

Abstract

Quality is one of the essential indicators for companies to exist amid strong competition. The 5.56 mm ammunition, especially variant MU5-TJ, is the primary commodity of PT. X. The process in ammunition production includes making cartridge cases, making bullets, making primers, and assembling ammunitions. The highest cost of defective products is led by defects in the preparation of the 5.56 mm ammunition, reaching 32.3%. In the process of preparing this kind of ammunition, most of the defects came from variant MU5-TJ, which accounted for 64%. This study aimed to improve the quality of the MU5-TJ ammunition preparation process by increasing its level of sigma. The method used in this study was the Six Sigma method through the Define, Measure, Analyze, Improve, and Control (DMAIC) phases. The quality identification results showed that the weighing and gauging process was the most contributing factor to the defects in the preparation of MU5-TJ ammunitions. The main defect found was the improper weight of the munitions due to the underfilling of propellant powder. The results of the chi-square test showed that the defect-causing factors with significant effects included the presence of sensor filling, varnish composition, tool material, and inspection methods. To reduce the defects, further improvements were made by installing the filling sensor on the ammunition assembly machine, changing the composition of the cartridge case mouth varnish, the use of tools made of hartmetall, and auto-control by the operator every 15 minutes. The results of the implementation of the improvements made resulted in an increase in sigma level from 3.69 to 3.79.
Design Reduirement of Pasar Besar Malang Through Site Analysis Method Ade Fitriyanti Ulul Azmi; Vincentius Totok Noerwasito; Ima Defiana
IPTEK Journal of Proceedings Series No 6 (2020): 6th International Seminar on Science and Technology 2020 (ISST 2020)
Publisher : Institut Teknologi Sepuluh Nopember

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12962/j23546026.y2020i6.11100

Abstract

In discussing traditional markets, not a few are found that the market experiences a setback in existence in the community. The decline in the existence of traditional markets, one of which occurred in the Great Market of Malang with the increasing lifestyle of Malang people in harmony with technological sophistication. Pasar Besar Malang has urgency, which is experiencing 3 fires and is increasingly doubting the ability of Pasar Besar Malang to guarantee safety and comfort on the move. In addition to buyers, traders also experienced a decrease in the number due to the uneven distribution of trade transactions that caused traders to continue to suffer losses. Through the site analysis study method and the sense of place approach that is applied to the questionnaire, the potential and the possibility of utilization are explored by producing design requirements. Implementation of design requirements in the form of design aspects that discuss such as optimizing access and circulation through the transition zone. This is done in order to create a quality of space that is comfortable and able to provide sustainability for the existence of Pasar Besar Malang as a provider of needs and public space.
Design and Modelling of Ballscrew Linear Guide Actuator for Earthquake Shaking Table (EST) Based on Neural Network Halimatus Sa’diyah; Purwadi Agus Darwito; Tavio Tavio; Murry Raditya
IPTEK Journal of Proceedings Series No 6 (2020): 6th International Seminar on Science and Technology 2020 (ISST 2020)
Publisher : Institut Teknologi Sepuluh Nopember

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12962/j23546026.y2020i6.11125

Abstract

Earthquake Shaking Table (EST) is a device which can simulate an earthquake motion. This device is used to test the strength of a building structure against an earthquake motions before it’s actually made. EST uses a variety of actuators one of them is ball-screw linear guide actuator. The EST used in this project is a bi-axial type which uses 2 linear actuators to simulate the x-axis and y-axis movement of earthquake, each of them used bipolar stepper motor as the main rotary-actuating device. This project models the linear guide actuator using backpropagation neural-network algorithm. The model is built with empirical method using datas taken from the real behavior of both linear actuators. The datas include acceleration, displacement, and velocity of both actuators and they are used to train the neural network using backpropagation with Levenberg-Marquadt method. Simulation is done using Simulink and the results show that model is able to produces nearly same exact movement with the real hardware with error approximately 0,214 % and 0,685% respectively for both actuators.
Modeling and Control of Anti-Rolling Gyro System to Stabilize Single-Track Vehicle Buntheng Chhornand; Unggul Wasiwitono
IPTEK Journal of Proceedings Series No 6 (2020): 6th International Seminar on Science and Technology 2020 (ISST 2020)
Publisher : Institut Teknologi Sepuluh Nopember

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12962/j23546026.y2020i6.8903

Abstract

Two-wheeled vehicle has many advantages such as small size, more efficiency, and more maneuverable. These advantages come at the lack of stability and safety. To improve the stability and safety of a two-wheeled vehicle, the Control Moment Gyroscopic Stabilization is considered. This system is composed to generate counteracting roll stabilizing torque. In this study, the system of gyroscopic stabilizer is simulated and validated to be implemented into a two-wheeled vehicle. Proportional-Integral-Derivative (PID) controller is designed to control the gimbal for generating the balancing torque. The performance of the proposed controller is evaluated through simulation for non-linear cases. The result of the non-linear model confirms a good balance in terms of rapid response.

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