Candra Irawan
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View article: Synergistic effects of fly ash, ground granulated blast furnace slag, and graphene oxide in low-carbon concrete: modelling, optimization, and sustainability assessment
Synergistic effects of fly ash, ground granulated blast furnace slag, and graphene oxide in low-carbon concrete: modelling, optimization, and sustainability assessment Open
The most widely used building material in the world is conventional concrete having high carbon footprint and highly dependent on natural resources. To overcome these challenges the present study focuses on the designing and assessing the …
View article: Finite element analysis of prestressed concrete spun pile strengthened with circular thin steel sheet under lateral static pushover load
Finite element analysis of prestressed concrete spun pile strengthened with circular thin steel sheet under lateral static pushover load Open
Prestressed concrete spun piles provide excellent axial capacity but exhibit limited seismic resistance due to an inherently low transverse reinforcement ratio, leading to brittle failure. This study proposes a novel retrofitting technique…
View article: Peningkatan Ketahanan Pangan Lokal Melalui Penerapan Cara Produksi Pangan Olahan Yang Baik Pada Industri Kecil dan Menengah
Peningkatan Ketahanan Pangan Lokal Melalui Penerapan Cara Produksi Pangan Olahan Yang Baik Pada Industri Kecil dan Menengah Open
Local food security is a strategic issue in supporting national food independence and community welfare. However, small and medium food enterprises (SMEs) often face challenges in applying quality production standards, particularly the pri…
View article: Performance Analysis Cryptography Using AES-128 and Key Encryption Based on MD5
Performance Analysis Cryptography Using AES-128 and Key Encryption Based on MD5 Open
The rampant misuse of data theft has created data security techniques in cryptography. Cryptography has several algorithms that are very strong and difficult to crack, including the AES (Advanced Encryption Standard) algorithm consisting o…
View article: Completing Sudoku Games Using the Depth First Search Algorithm
Completing Sudoku Games Using the Depth First Search Algorithm Open
Sudoku is a digital game that is included in the type of logic-based puzzle game where the goal is to fill in the puzzle with random numbers. Therefore, in this research it is proposed to use Artificial Intelligence which contains the Dept…
View article: ANTIOXIDANT CAPACITY AND ALPHA-GLUCOSIDASE INHIBITORY ACTIVITY OF CHITOSAN NANOPARTICLES SYNTHESIZED FROM ANDROGRAPHIS PANICULATA (Burm.f.) WALL LEAF EXTRACT
ANTIOXIDANT CAPACITY AND ALPHA-GLUCOSIDASE INHIBITORY ACTIVITY OF CHITOSAN NANOPARTICLES SYNTHESIZED FROM ANDROGRAPHIS PANICULATA (Burm.f.) WALL LEAF EXTRACT Open
Andrographis paniculata (Burm.f.) Wall (ApBW) is a climbing shrub with a height of up to 2.5 meters and has potential as traditional medicine. The objective of this investigation is to asses antioxidant Alpha Glucosidase Inhibitory (AGI) p…
View article: RANCANG BANGUN MESIN CETAK ECO PAVING BLOCK PNEUMATIK BERBASIS LIMBAH PLASTIK
RANCANG BANGUN MESIN CETAK ECO PAVING BLOCK PNEUMATIK BERBASIS LIMBAH PLASTIK Open
The escalating volume of plastic waste has become a critical environmental challenge, highlighting the need for innovative solutions to repurpose it into valuable construction materials. This study aimed to design and develop a pneumatic-b…
View article: Ensemble Learning Layer for Wayang Recognition using CNN-based ResNet-50 and LSTM
Ensemble Learning Layer for Wayang Recognition using CNN-based ResNet-50 and LSTM Open
Wayang is commonly used to tell epic stories of Mahabharata and Ramayana, as well as local legends and myths. There are various types of wayang, such as wayang kulit (made of buffalo or goat leather), wayang golek (made of wood), and wayan…
View article: Predicting IT Incident Duration using Machine Learning: A Case Study in IT Service Management
Predicting IT Incident Duration using Machine Learning: A Case Study in IT Service Management Open
In the digital era, ensuring customer satisfaction with IT services is crucial for business success. However, the complexity of IT infrastructure makes it difficult to manage services, requiring companies to focus on improving efficiency a…
View article: Clustering and Profiling Analysis for FIFA Football Player using K-Means
Clustering and Profiling Analysis for FIFA Football Player using K-Means Open
The selection of football players is a complex process involving talent evaluation based on various performance indicators, combining objective measures with subjective assessments by coaches and scouts. This research aims to improve the f…
View article: Vehicle Detection Using Image Conversion Percentage to Binary Method Based on K-Means
Vehicle Detection Using Image Conversion Percentage to Binary Method Based on K-Means Open
Vehicle detection is the artificial intelligence that can help us in transportation highway systems like counter vehicles passing through the road on Eid Mubarak day etc. The object in this case is divided into six classifications there ar…
View article: Adaptive deep learning based on FaceNet convolutional neural network for facial expression recognition
Adaptive deep learning based on FaceNet convolutional neural network for facial expression recognition Open
Facial recognition technology has become increasingly crucial in various applications, from personal identification, security, and human-care. Facial recognition has numerous practical applications, ranging from assessing mental health and…
View article: Application of Non-Linear Fiber Section Model on Spun Piles With and Without Concrete Infill Subjected to Cyclic Loading
Application of Non-Linear Fiber Section Model on Spun Piles With and Without Concrete Infill Subjected to Cyclic Loading Open
This numerical analysis study predicts the behavior of spun piles with and without concrete infill under cyclic flexural loading and constant axial load. A fiber section using STKO pre- and post-processor for the OpenSEES program was emplo…
View article: Demand Prediction for Food and Beverage SMEs Using SARIMAX and Weather Data
Demand Prediction for Food and Beverage SMEs Using SARIMAX and Weather Data Open
The SME sector in Indonesia comprises 99.99% of businesses, employing 96.9% of the workforce and contributing 60.5% to GDP and non-oil exports.Despite their importance, SMEs face challenges including limited financial access, product hygie…
View article: Effects of Solvent Variation on The Antioxidant, Anti-Inflammatory, and Alpha-Glucosidase Inhibitory Activity of Andrographis paniculata (Burm.f.)Wall Leaves Extract
Effects of Solvent Variation on The Antioxidant, Anti-Inflammatory, and Alpha-Glucosidase Inhibitory Activity of Andrographis paniculata (Burm.f.)Wall Leaves Extract Open
Andrographis paniculata (Burm.f.) Wall, Acanthaceae, is a plant that grows in the lowlands at 700 meters above sea level. This study aimed to determine the antioxidant activity, alpha-glucosidase enzyme inhibition, and anti-inflammatory ac…
View article: BIG DATA PIPELINE INFRASTRUCTURE DESIGN IN MSME E-COMMERCE SYSTEMS WITH A FOCUS ON DATA SOURCE PROCESSING USING ORCHESTRATION TOOLS
BIG DATA PIPELINE INFRASTRUCTURE DESIGN IN MSME E-COMMERCE SYSTEMS WITH A FOCUS ON DATA SOURCE PROCESSING USING ORCHESTRATION TOOLS Open
In the digital era, Micro, Small and Medium Enterprises (MSMEs) need to utilize data to improve their business performance, such as increasing customer targets, product development and pricing strategies. Apache Airflow is a powerful tool …
View article: Effect of ultrasound-assisted extraction on total phenolics, flavonoids, and antioxidant activity of <i>Adenostemma lavenia</i> leaves
Effect of ultrasound-assisted extraction on total phenolics, flavonoids, and antioxidant activity of <i>Adenostemma lavenia</i> leaves Open
Adenostemma lavenia has been reported to possess significant value in traditional medicine and exhibit therapeutic potential. This study aimed to evaluate the extraction conditions of A. lavenia leaves using an ultrasound-assisted techniqu…
View article: The Eighth Grade Students' Vocabulary Mastery and Writing Descriptive Text Ability
The Eighth Grade Students' Vocabulary Mastery and Writing Descriptive Text Ability Open
The purposes of this research were to find out the correlation between students’ vocabulary mastery and writing descriptive text and the contribution of vocabulary mastery on writing ability. The population of the study was all of the 8th …
View article: A text security evaluation based on advanced encryption standard algorithm
A text security evaluation based on advanced encryption standard algorithm Open
This research approach analysis and examines a number of advanced encryption standard (AES) performance factors, including as encryption and decryption speed, processing resource, consumption, and resilience, to cryptanalysis attacks. The …
View article: Pelatihan Pembuatan Pupuk Kompos pada IKM ARG Desa Pesawahan Kabupaten Garut
Pelatihan Pembuatan Pupuk Kompos pada IKM ARG Desa Pesawahan Kabupaten Garut Open
Livestock waste is still a problem that demands government attention. One of the livestock wastes that cause pollution comes from the cultivation of rabbits. The variation in the number of processed rabbits causes an increase in demand for…
View article: Numerical Study of the of Proposed Hexaloc Concrete Armor Units under Static Loading
Numerical Study of the of Proposed Hexaloc Concrete Armor Units under Static Loading Open
Concrete armor units are commonly used to protect shorelines and rubble mound coastal structures. This paper presents the numerical modeling test results for the proposed Hexaloc armor unit under static load. The model shows some value of …
View article: Wave Reflection of Concrete Armour Unit: A 2D Physical Model Study
Wave Reflection of Concrete Armour Unit: A 2D Physical Model Study Open
A breakwater is a coastal structure that breaks the wave energy coming towards the beach. When a wave hits an object, it will be reflected entirely or partially. Initially, the primary layer units on the coastal protection structure were o…
View article: Untargeted metabolomics analysis of Rhinachantus nasutus (L.) Kurz stem bark using HRMS UHPLC-Q-Orbitrap and evaluation of antioxidant capacity and α-glucosidase inhibitory activity
Untargeted metabolomics analysis of Rhinachantus nasutus (L.) Kurz stem bark using HRMS UHPLC-Q-Orbitrap and evaluation of antioxidant capacity and α-glucosidase inhibitory activity Open
Preparations of the roots, stems, and leaves of Rhinachantus nasutus (L.) Kurz (RNK) have been used empirically in traditional medicine to treat diabetes, eczema, pulmonary tuberculosis, herpes, hepatitis, and hypertension for centuries. T…
View article: Crypto-Stegano Color Image Based on Rivest Cipher 4 (RC4) and Least Significant Bit (LSB)
Crypto-Stegano Color Image Based on Rivest Cipher 4 (RC4) and Least Significant Bit (LSB) Open
Rivest Cipher 4 (RC4) has the main factors that make this algorithm widely used, namely its speed and simplicity, so it is known to be easy for efficient implementation. The nature of the key in the RC4 algorithm is symmetrical and perform…
View article: Klasifikasi Citra Mengkudu Berdasarkan Perhitungan Jarak Piksel pada Algoritma K-Nearest Neighbour
Klasifikasi Citra Mengkudu Berdasarkan Perhitungan Jarak Piksel pada Algoritma K-Nearest Neighbour Open
Noni fruit is included in exported food commodities in Indonesia. The size of noni fruit, based on human vision, generally has varied shapes with distinctive textures and various patterns, so that the process of filtering fruit based on co…
View article: The Relationship Between Self-Regulated Learning Strategies and Reading Comprehension in Narrative Text
The Relationship Between Self-Regulated Learning Strategies and Reading Comprehension in Narrative Text Open
The purpose of this study was to determine (1) the student's SRL strategies at SMP N 5 Palembang, and (2) whether or not there was a significant correlation between Self-Regulated Learning Strategies (SRL) and reading comprehension in the …
View article: Business Process Reengineering for Red Onion E-Commerce System
Business Process Reengineering for Red Onion E-Commerce System Open
Agriculture is a source of income for the country. One of the most promising agricultural commodities is shallots. Shallots are always found in every traditional market, traditional markets are one of the connecting places between buyers a…
View article: The Ethanolic Extract of Rhinachantus nasutus (L.) Kurz Flower has Antioxidant, Anti-Gout, and Antibacterial Potential
The Ethanolic Extract of Rhinachantus nasutus (L.) Kurz Flower has Antioxidant, Anti-Gout, and Antibacterial Potential Open
The goal of this research was to explore the potential of Rhinachantus nasutus (L.) Kurz (RnLK) flower extract as an antioxidant utilizing the ferric reducing antioxidant power (FRAP) method; the possibility that it might be used as a trea…