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International Seminar on Intelligent Technology and Its Applications (ISITIA)

作者： Fairuz Iqbal Maulana Puput Dani Prasetyo Adi Dian Lestari Sandy Vikki Ariyanto Agung Purnomo Computer Science Department School of Computer Science Bina Nusantara University Jakarta Indonesia Telecommunication Research Center National Research and Innovation Agency Jakarta Indonesia Faculty of Medicine Universitas Airlangga Surabaya Indonesia Informatics Engineering Study Program University of Madura Pamekasan Indonesia Entrepreneurship Department BINUS Business School Undergraduate Program Bina Nusantara University Jakarta Indonesia

Using the Scopus database, this study aims to investigate the use of artificial intelligence for cancer detection in the last ten years from 2013 to 2022. The researchers used bibliometric analysis combined with VosViewer and Rstudio software quantification method for literature analysis. The results of the flushed articles show data such as publication year, journal, country, keywords, and authors, to the highest number of citations. Common keywords used by researchers are artificial intelligence, medical, and human. Researchers limited the findings through keywords such as in the last ten years, documents are journals, and English only so that 1868 articles were obtained. The results found that Harvard Medical School affiliation had the highest number of articles, with 101 articles, by subject area, Medicine had a proportion of 41.9% (n=1320). This bibliometric study will be useful for other researchers to examine the development of research on Artificial Intelligence for Cancer Detection in the last ten years.

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Inter-regional electricity system’s long term planning. Case study of Jawa-Sumatera

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AIP Conference Proceedings 2024年第1期2838卷

作者： Hery Affandi Nadilah Reyseliani Widodo Wahyu Purwanto Energy Systems Engineering Study Program Universitas Indonesia Depok 16424 Indonesia Sustainable Energy Systems and Policy Research Cluster Chemical Engineering Department Faculty of Engineering Universitas Indonesia Depok 16424 Indonesia

This study assesses Jawa-Sumatera interregional electricity system’s long-term planning until 2050. The planning is determined based on least-cost optimization in the TIMES model. The model considers a high disparity between regions such as electricity demand, power generation infrastructure, and energy resources. There are twenty-seven technology power generations and three energy storage technologies competing in this model, the modeling also reviews the pattern of generating operations and the role of energy storage on an hourly for each region. A trading scenario was applied to plan power generation with interconnected transmission between Jawa-Sumatera by HVDC transmission. The results show power generation portfolio for BAU and the trading scenario in Jawa and Sumatra is dominated by a gas-based power plant. The trading scenario results in an increase of 70% installed capacity in Sumatera and a decrease of 23% installed capacity in Jawa, an average of 1.96 TWh of electricity is exported every hour to Jawa, a decrease in electricity production cost for Jawa from 10.69 cUSD/ kWh to 9.15 cUSD/kWh and Sumatera from 6.77 cUSD/kWh to 4.88 cUSD/kWh, an increase in renewable energy penetration especially utility-scale PV in Sumatera 19% and a reduction in emissions to 322 gCO2/kWh and required transmission capacity 43.6 GW in 2050 to distribute electricity from Sumatera to Jawa.

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Analysis and evaluation of stability for the reactivated road landslide using electrical resistivity and induced polarization in Muara Badak district, East Kalimantan, Indonesia

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AIP Conference Proceedings 2024年第1期3095卷

作者： Wahidah Wahidah Piter Lepong Andi Alamsyah Djayus Djayus Supriyanto Supriyanto Qori Fajar Hermawan Amir Amir Geophysics Laboratory Faculty of Mathematics and Natural Sciences Mulawarman University Samarinda East Kalimantan Indonesia Civil Engineering Study Program Faculty of Engineering Universitas 17 Agustus 1945 Samarinda East Kalimantan Indonesia

Muara Badak is one of the districts that prone to the road landslide in Kutai Kertanegara Regency of East Kalimantan province in Indonesia. Reactivated landslides have been identified in several locations in the road access to Muara Badak district, for instance the Simpang-3 Sambera. Geophysical study has been carried out using Wenner Alpha of Electrical Resistivity Tomography (ERT) and Time Domain of Induced Polarization (IP) methods. Assessment and measurement conducted in three lines parallel to the road using MAE Unit-48 electrodes with three meters interval. Resistivity inversion shows the area predominantly composed of clay, sandy clay and coal, with resistivity value within 1-80 ohm.m, 81-200 ohm.m and >200 ohm.m respectively. Slip surface has been interpreted about 6 meter depth, occurring between the contacts of less-consolidated sandy clay and consolidated clay with translation pattern and thicker to the toe of the landslide. The IP data using to interpret the groundwater table at the depth of 3-4 meter based on the pattern of chargeability that closed to the surface. Furthermore and correlated to the Standard Penetration Test (SPT) data, the contact between the weak zone and the hard zone is interpreted to be at the depth of 6 meters. It is concluded that the trigger of the reactivated landslide in Simpang-3 Muara Badak were triggered by several factor including, rainfall and run of water, groundwater and steeply slope.

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Green campus development of UNNES postgraduate program: potential identification and performance analysis

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IOP Conference Series: Earth and Environmental Science 2022年第1期969卷

作者： T Prihanto P Hardati E B Santoso A A Wibowo Study Program of Architectural Engineering Faculty of Engineering Universitas Negeri Semarang Indonesia Study Program of Geographical Education Faculty of Social Universitas Negeri Semarang Indonesia

Universitas Negeri Semarang (UNNES) with the vision of conservation-minded university with international reputation continues to develop a conservation-based academic life, namely the value of caring for the environment. This vision is supported by one of the internal UNNES Green Campus programs, namely H-BAT (green, clean and healthy). Based on the results of the H-BAT assessment in period of June 202, it showed that the achievement of the UNNES Postgraduate program (it's called PPs UNNES) performance was 62.24%. This performance achievement is a low indicator for PPs UNNES in its efforts to develop a green campus. The formulation of the problem that can be raised is how to improve the performance of PPs UNNES's H-BAT achievement in the field of conservation. The purpose of this study is to identify potential and analyse campus performance in accordance with the H-BAT indicator assessment criteria. The method used in this research is descriptive exploratory. The results show that the achievement of 62.24% of the H-BAT assessment illustrates that the PPs UNNES green campus governance is not optimal, both in administration, programs, policies and implementation in the field. PPs UNNES has great potential to be able to better improve H-BAT achievement, but it seems that there are obstacles that may be the cause of the low H-BAT performance achievements in the past period. It needs a lot of efforts to optimize the existing potential so that it can fulfil the H-BAT assessment indicators more optimally.

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Building Industrial Symbiosis at Automotive Supply Chain

Building Industrial Symbiosis at Automotive Supply Chain

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2019 International Conference on Sustainable engineering and Creative Computing, ICSECC 2019

作者： Ismail, Yunita President University Environmental Engineering Study Program Faculty of Engineering Bekasi Indonesia

ISBN: (纸本)9781728151922

Industry symbiosis is an environmental management approach that is part of industrial ecology, which looks at the exchange of materials, energy, water and by products. Implementation of industrial symbiosis was begun with synergy and collaboration. The aim of this research were to analyse the influenced of synergy and collaboration to material, energy, by product and water exchange among component automotive companies. Population used in this research was component automotive company that located at Greater Jakarta (Jabodetabek). Purposive sampling was used to get sample and used questionnaire to collect data. Number of sample was 32 companies and analysed method was used multiple regression model with t and F test to showed the impact. The results were showed synergy influenced on material exchange. Energy exchange did not influenced by synergy and collaboration. Material exchange happen at supply chain, because the relationship among component automotive company based on fulfilling the input material. © 2019 IEEE.

关键词： Supply chains

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Analog Behavioral Model of Underdamped Free Oscillation of Cantilever Beams

Analog Behavioral Model of Underdamped Free Oscillation of C...

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2019 International Conference on Sustainable engineering and Creative Computing, ICSECC 2019

作者： Tarigan, Hendra J. Sitompul, Erwin President University Study Program of Electrical Engineering Faculty of Engineering Bekasi Indonesia

ISBN: (纸本)9781728151922

A physical model representing an underdamped free oscillation of a cantilever beam is constructed. The model is incorporated into a pSPICE Analog Behavioral Model (ABM) in order to construct a circuit schematic that generates a model-based waveform representing that of the experiment. A strain gage is employed to sense the change in strain in the oscillating cantilever beam. The frequency and damping ratio of oscillation of the cantilever are determined by means of curve fitting. Experiment and pSPICE ABM results show an excellent agreement. © 2019 IEEE.

关键词： Strain gages

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Biosolubilization of Indonesia's Subbituminous Coal Using Neurospora intermedia 2

Biosolubilization of Indonesia's Subbituminous Coal Using Ne...

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2nd International Conference on Energy Sciences 2018, ICES 2018

作者： Restiawaty, Elvi Sasongko, Dwiwahju Hala, Ahmad Furqon Fauzan, Ryan Fitrian Sofwan Solihah, Nendry Nurramdani Harimawan, Ardiyan Mashudi No. 1 West Java45363 Indonesia Chemical Engineering Study Program Faculty of Industrial Technology Institut Teknologi Bandung Jalan Ganesa 10 Bandung40132 Indonesia Biosciences and Biotechnology Research Center Institut Teknologi Bandung Jalan Ganesa 10 Bandung40132 Indonesia

Recognizing its high volatile matter content, liquefaction to convert subbituminous coal with relatively low calorific value into liquid fuel by thermal or biological process has been subjected to extensive research. The former has been implemented commercially whereas the latter challenges for further studies. This paper looks into low-rank coal upgrading through subbituminous biosolubilization using Neurospora intermedia as the bioconverting agent. N. intermedia was initially cultured on agar medium containing a carbon source (glucose, sucrose, or cellulose) in a petri dish. After four days cultivation, sterilized coal particles with diameter of 1.5-2.5 mm were spread on N. intermedia culture. It was observed that N. intermedia could grow on the solid culture containing glucose, sucrose, and cellulose. However, the biosolubilization product was only observed from the solid culture with glucose and sucrose as carbon source. The highest biosolubilization rate was 1.07 × 10-3 abs/min and about 83% of coal could be solubilized when the media contained 15 g/L of glucose. The FTIR analysis showed that the spectrum of biosolubilization product was similar to the initial coal spectrum, but it contained small amount of aliphatic C-H group compounds and high amount of carbonyl, hydroxyl, and amine groups. © 2021 Published under licence by IOP Publishing Ltd.

关键词： Glucose

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The crispness of cassava crisps with random shape by compression test

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AIP Conference Proceedings 2023年第1期2646卷

作者： Dara Ginanti Farid Triawan Kushendarsyah Saptaji Lydia Anggraini Department of Mechanical Engineering Faculty of Engineering and Technology Sampoerna University Jakarta Indonesia Department of Aerospace and Mechanical Engineering the University of Arizona Tucson AZ USA Study Program of Mechanical Engineering Faculty of Engineering President University Bekasi Indonesia

The most popular term that is used to represent brittleness texture of dry food is its crispness. Based on the previous studies, the crispness becomes the most essential quality of crisps that define the enjoyment when eating the food. Despite its importance, crispness is still determined qualitatively by human sensory perception which is very ambiguous. Thus, a measurement technique to quantitatively define the crispness level of dry food is needed. This study introduces a measurement technique by means of compression test to quantitatively determine the crispness of dry food with random shapes. The evaluated specimen is cassava crisps with three different thicknesses: 1, 2, and 3 mm. The parameters utilized to express the crispness level are strain energy and jaggedness obtained from the load-displacement curve. According to the evaluation, the results show that the 1 and 2 mm specimens are 29.2 and 16.5% crispier than the thickest specimen of 3 mm.

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System Modelling Using Neural Networks with External Recurrence and Exponential Quadratic Cost Function

System Modelling Using Neural Networks with External Recurre...

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2019 International Conference on Sustainable engineering and Creative Computing, ICSECC 2019

作者： Sitompul, Erwin President University Study Program of Electrical Engineering Faculty of Engineering Bekasi Indonesia

ISBN: (纸本)9781728151922

A novel cost function to improve the performance of neural networks in system modelling is proposed in this paper, the exponential quadratic cost function. This cost function combines the strength of penalizing errors exponentially and the feasibility of quadratic function in finding global minima. By applying the exponential quadratic cost function, the learning algorithm is expected to have an improved ability to minimize the difference between system output and model output. Simulations by using a test system with strong nonlinear dynamics were conducted to prove the effectiveness of the proposed cost function. The results show that the network trained using the exponential quadratic cost function performs better in emulating the test system in transient region. © 2019 IEEE.

关键词： Cost functions

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System Design Teaching Model in Informatics engineering study program 1

System Design Teaching Model in Informatics Engineering Stud...

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1st International Conference on Vocational Education and Technology, ICONVET 2018

作者： Supriana, C.E. Informatics Engineering Study Program Faculty of Engineering Pasundan University Bandung Indonesia

Design teaching which is part of the system development life cycle, both information systems and application systems is very important to be taught, learned and understood in the informatics engineering study program. System design teaching in private universities in Indonesia whose students are very diverse in terms of abilities and skills require teaching materials, lecture strategies, quality of lecturers and facilities that must also be able to adapt to the challenges and complexity in teaching. The study of system design teaching uses Hevner's information systems research framework which includes the steps of constructing artifacts in the form of constructs, models, methods, instances and evaluation of artifacts using case study in informatics engineering lecture. The use of the framework is intended to support business strategies and processes in study programs and to ensure the relevance of research. The result of research is a model and evaluation of the model. First, this research will produce a system design teaching model that can be used as a reference in the informatics engineering study program to produce graduates with good literacy, skills using the stages of system design, understanding user needs and system design capabilities. Second, evaluating the model that has been built by applying it to the case study on human computer interaction lecture and measuring the results of lectures to improve the quality of lecture material, teaching and students. © 2019 Published under licence by IOP Publishing Ltd.

关键词： Students

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