Article
Automation & Control Systems
Zhiwei Guo, Heng Wang
Summary: This article proposes a social recommendation framework based on deep graph neural networks for future IoT recommendation systems. It encodes user and item feature spaces and completes missing values in user-item rating matrices through matrix factorization. Experiments confirm the efficiency and stability of the proposed framework.
IEEE TRANSACTIONS ON INDUSTRIAL INFORMATICS
(2021)
Article
Engineering, Electrical & Electronic
Hongda Wu, Ali Nasehzadeh, Ping Wang
Summary: The Internet of Things has been continuously growing in the past few years, with its potential becoming more apparent. An efficient caching policy and the use of deep reinforcement learning algorithms can help address issues such as transient data generation and limited energy resources while developing effective caching schemes without prior knowledge.
IEEE TRANSACTIONS ON VEHICULAR TECHNOLOGY
(2022)
Article
Computer Science, Artificial Intelligence
Christos Sardianos, Iraklis Varlamis, Christos Chronis, George Dimitrakopoulos, Abdullah Alsalemi, Yassine Himeur, Faycal Bensaali, Abbes Amira
Summary: Recent advances in artificial intelligence, especially in machine learning and deep learning, have improved the performance of intelligent systems and increased the demand for understanding system reasoning. Explainability in recommendation systems is essential to enhance user trust and acceptance.
INTERNATIONAL JOURNAL OF INTELLIGENT SYSTEMS
(2021)
Article
Computer Science, Hardware & Architecture
Risto Katila, Tuan Nguyen Gia, Tomi Westerlund
Summary: This paper presents three possible mobility support approaches for high data rate IoT applications using BLE5. These approaches are implemented and tested in an office environment, and the results show that they can maintain the connection during mobility with a latency of around 900ms. Moreover, using BLE5's LE 2M physical layer consumes less power and can reduce energy consumption when transmitting or receiving larger data sizes at faster rates.
Article
Computer Science, Information Systems
Kavya Gupta, Devendra Kumar Tayal, Aarti Jain
Summary: Data Fusion is the process of merging data from different heterogeneous sources to generate fused data that is reduced in volume while maintaining its integrity, consistency, and accuracy. However, this poses challenges for low computational-powered sensor nodes in energy-constrained Wireless Sensor Networks enabled Internet of Things. This study introduces a hierarchical data fusion technique designed to distribute the computational load among sensor nodes, specifically addressing the challenges of spatiotemporal data. The proposed method achieves high accuracy, low error rates, and improved precision, recall, and f1-score values compared to avant-garde methods.
MULTIMEDIA TOOLS AND APPLICATIONS
(2023)
Article
Computer Science, Information Systems
Giuseppe Starace, Amber Tiwari, Gianpiero Colangelo, Alessandro Massaro
Summary: This work discusses the applications of the Internet of Things (IoT) in smart buildings, specifically focusing on energy consumption monitoring and forecasting systems, as well as indoor air quality (IAQ) control. The implementation involves low-cost hardware integrated with sensors and open source platforms for cloud data transmission, storage, and processing. Advanced data analytics techniques, such as SARIMA and LSTM, are used for accurate energy predictions. The results are developed within the framework of the D-SySCOM project, aiming to provide modular and cost-effective solutions for energy efficiency and wellness in public indoor environments.
Article
Computer Science, Software Engineering
Behrouz Pourghebleh, Negin Hekmati, Zahra Davoudnia, Mehrdad Sadeghi
Summary: With the progress of Internet-based and distributed systems, smart cities have been formed based on IoT, utilizing intelligent information processing, universal connectivity, ubiquitous sensing, and real-time monitoring. However, energy conservation is a significant issue due to the poor battery endurance of IoT objects. Despite the explosive growth of smart cities, there is still a lack of a comprehensive and systematic study on energy-efficient data fusion techniques in the IoT.
CONCURRENCY AND COMPUTATION-PRACTICE & EXPERIENCE
(2022)
Article
Computer Science, Artificial Intelligence
Jiawei Chen, Gangyan Xu, Ziye Zhou
Summary: This paper proposes a data-driven learning-based Model Predictive Control (MPC) method for the integrated control of various devices in energy-intensive systems. The method integrates a hybrid prediction model and MPC scheme to learn and predict system dynamics based on time-series sensing data, and develops an efficient tree-based prioritized group control model for heterogeneous devices.
ADVANCED ENGINEERING INFORMATICS
(2023)
Article
Computer Science, Information Systems
Muhammad Yazid, F. Fahmi, Erwin Sutanto, Rachmad Setiawan, Muhammad Aripriharta, Muhammad Aziz
Summary: This article proposes a new authentication method, based on parallel hash chains, for low-power and low-cost IoT devices. The method generates encryption keys continuously on both the device and server, eliminating the need to transmit secret keys. It only requires two transmission handshakes for authentication and data transmission, reduces hardware requirements, and provides mutual authentication. It also offers device anonymity, message authentication, database integrity verification, resistance to transmission loss, and adaptability to network disturbances.
IEEE INTERNET OF THINGS JOURNAL
(2023)
Article
Computer Science, Hardware & Architecture
Xiaonan Wang, Xingwei Wang
Summary: The Internet of Things (IoT) utilizes embedded devices to enhance quality of life, with mobile IoT being applied in various fields like safe driving and smart healthcare. The challenge lies in improving delivery efficiency of multimedia data produced by IoT through resource sharing and collaboration.
COMMUNICATIONS OF THE ACM
(2021)
Article
Computer Science, Information Systems
Sung-Jung Hsiao, Wen-Tsai Sung
Summary: In this study, blockchain technology is used to enhance the security of wireless sensing data in the Internet of Things network architecture. The data from the wireless sensing network is fused at the farm's front-end integrated microcontroller and then encapsulated using a blockchain algorithm at the data processing center. The packaged data are stored in a cloud database and can be managed and analyzed remotely. This article proposes an innovative approach to enhance data processing security using blockchain technology.
IEEE INTERNET OF THINGS JOURNAL
(2023)
Article
Computer Science, Hardware & Architecture
Xiaohan Ma, Zhenyu Na, Bin Lin, Lizhe Liu
Summary: This article proposes a UAV-assisted wireless powered system to achieve dependable data collections in IoT. An optimization problem of subtimeslot allocation and UAV route planning is investigated to maximize system energy efficiency. The proposed algorithm optimizes UAV route and achieves a compromise between system throughput and UAV energy consumption.
IEEE TRANSACTIONS ON RELIABILITY
(2023)
Article
Mathematics, Interdisciplinary Applications
Long Zuo, Shuo Xiong, Xin Qi, Zheng Wen, Yiwen Tang
Summary: This paper examines current personalized recommendation methods based on computational social systems, particularly focusing on the collaborative filtering algorithm. It proposes a new approach that incorporates social system attributes and a trust model to enhance recommendation accuracy. Experimental results indicate the improved algorithm outperforms traditional methods.
Article
Chemistry, Physical
Yaowen Zhang, Kaijun Zhang, Yujun Shi, Zhaoyang Li, Dazhe Zhao, Yucong Pi, Yong Cui, Xiang Zhou, Yan Zhang, Junwen Zhong
Summary: In this study, a natural leaf-made electromagnetic energy harvester (NLMEEH) is proposed for harvesting ambient electromagnetic energy. The energy harvester is able to generate stable energy until the natural leaves wither. The harvested energy can be utilized to power a digital clock and a temperature-humidity sensor.
MATERIALS TODAY ENERGY
(2022)
Article
Computer Science, Information Systems
Xiao-Hui Lin, Su-Zhi Bi, Nan Cheng, Ming-Jun Dai, Hui Wang
Summary: This article discusses how to use drones to collect ground data in IoT systems, and proposes an alpha-fairness approach to balance energy consumption among IoT sensors to improve system longevity. By designing an alpha-utility function to balance the tradeoff between energy efficiency and fairness, maximizing the utility function to optimize bandwidth allocation, transmission power, and UAV trajectory. The article also demonstrates how to properly set the alpha value according to specific application scenarios to achieve different levels of energy fairness.
IEEE INTERNET OF THINGS JOURNAL
(2022)
Article
Computer Science, Artificial Intelligence
Iraklis Varlamis, Christos Sardianos, Christos Chronis, George Dimitrakopoulos, Yassine Himeur, Abdullah Alsalemi, Faycal Bensaali, Abbes Amira
Summary: Internet of Things (IoT) devices are gaining popularity in smart home and office environments, with a focus on energy efficiency. This article introduces the (EM)(3) project, which combines data collection, information abstraction, timed recommendations, and automations to promote energy saving behavior in households and offices. The project's advantage is that each room or office setup is locally controlled, eliminating the need to share data to the cloud.
INTERNATIONAL JOURNAL OF DATA SCIENCE AND ANALYTICS
(2023)
Review
Energy & Fuels
Hafsa Bousbiat, Yassine Himeur, Iraklis Varlamis, Faycal Bensaali, Abbes Amira
Summary: Non-intrusive load monitoring (NILM) techniques have attracted significant attention in recent years for achieving energy sustainability goals. This paper provides a meta-analysis of existing NILM reviews, focusing on both general NILM scholarship and neural NILM algorithms. It also highlights the growing interest in federated neural NILM, which provides privacy-preserving capabilities. The paper summarizes recent federated NILM frameworks and identifies the lack of proper toolkits as a primary barrier in the field.
Article
Automation & Control Systems
Ayman Al-Kababji, Faycal Bensaali, Sarada Prasad Dakua, Yassine Himeur
Summary: This paper surveys key studies from 2014 to 2022 on machine learning algorithms used for liver, hepatic tumors, and hepatic-vasculature segmentation. The studies are categorized based on the tissue of interest and highlight those that tackle multiple tasks simultaneously. The paper also discusses datasets, challenges, and metrics used in the literature and emphasizes the need for more research on vessel segmentation challenges.
ENGINEERING APPLICATIONS OF ARTIFICIAL INTELLIGENCE
(2023)
Review
Computer Science, Information Systems
Shriniket Dixit, Khitij Bohre, Yashbir Singh, Yassine Himeur, Wathiq Mansoor, Shadi Atalla, Kathiravan Srinivasan
Summary: Parkinson's disease is a devastating neurological disease that requires the development of a faster, less expensive diagnostic instrument. This article provides a thorough analysis of AI-based ML and DL techniques used to diagnose PD and their influence on developing additional research directions.
Article
Energy & Fuels
Aya Nabil Sayed, Faycal Bensaali, Yassine Himeur, Mahdi Houchati
Summary: This paper proposes an occupancy detection method using non-intrusive ambient data and a Deep Learning (DL) model, which significantly benefits building automation and sustainability. The method utilizes an edge device for low-cost computing and increased data security, and achieves a 99.75% real-time prediction accuracy in testing at a university office.
Article
Automation & Control Systems
Aya Nabil Sayed, Yassine Himeur, Faycal Bensaali
Summary: This paper presents an innovative non-intrusive occupancy detection approach using environmental sensor data, which can aid in energy preservation while maintaining end-user comfort level.
ENGINEERING APPLICATIONS OF ARTIFICIAL INTELLIGENCE
(2023)
Article
Automation & Control Systems
Yassine Himeur, Somaya Al-Maadeed, Hamza Kheddar, Noor Al-Maadeed, Khalid Abualsaud, Amr Mohamed, Tamer Khattab
Summary: Developing automated video surveillance systems (VSSs) is crucial for ensuring population security, especially in events involving large crowds. Deep transfer learning (DTL) and deep domain adaptation (DDA) are promising solutions to improve the performance of machine learning (ML) and deep learning (DL) models in VSSs by transferring knowledge and overcoming data scarcity problems.
ENGINEERING APPLICATIONS OF ARTIFICIAL INTELLIGENCE
(2023)
Article
Automation & Control Systems
Abigail Copiaco, Yassine Himeur, Abbes Amira, Wathiq Mansoor, Fodil Fadli, Shadi Atalla, Shahab Saquib Sohail
Summary: This study proposes a supervised deep transfer learning approach using two-dimensional image representations as features for deep anomaly detection in building energy management. The results show high accuracy in simulated and real-world datasets.
ENGINEERING APPLICATIONS OF ARTIFICIAL INTELLIGENCE
(2023)
Article
Mathematics
Shadi Atalla, Mohammad Daradkeh, Amjad Gawanmeh, Hatim Khalil, Wathiq Mansoor, Sami Miniaoui, Yassine Himeur
Summary: The increase in educational data and information systems has created new challenges and learning processes. Recommender systems, utilizing statistical methods like machine learning and graph analysis, provide personalized study plans for students by analyzing their records. This proposed system integrates graph theory, ML, and explainable recommendations to assess and measure the relevance of study plans. Experiments show that it outperforms similar ML-based solutions, achieving up to 86% accuracy and recall, with a low mean square regression rate.
Article
Computer Science, Artificial Intelligence
Hamza Kheddar, Yassine Himeur, Somaya Al-Maadeed, Abbes Amira, Faycal Bensaali
Summary: The combination of deep learning and automatic speech recognition has become an important challenge. This paper investigates DTL-based ASR frameworks and analyzes their limitations and advantages, providing opportunities for future research.
KNOWLEDGE-BASED SYSTEMS
(2023)
Review
Social Sciences, Interdisciplinary
Khaled Telli, Okba Kraa, Yassine Himeur, Abdelmalik Ouamane, Mohamed Boumehraz, Shadi Atalla, Wathiq Mansoor
Summary: This paper presents a comprehensive overview of the recent trends and advancements in the UAV field, categorizing UAVs based on flight characteristics and discussing current research directions. It also addresses key issues related to hardware and software architecture, applications, and development opportunities in UAVs.
Review
Medicine, General & Internal
Anas M. M. Tahir, Onur Mutlu, Faycal Bensaali, Rabab Ward, Abdel Naser Ghareeb, Sherif M. H. A. Helmy, Khaled T. T. Othman, Mohammed A. A. Al-Hashemi, Salem Abujalala, Muhammad E. H. Chowdhury, A. Rahman D. M. H. Alnabti, Huseyin C. C. Yalcin
Summary: The study focuses on the application of computational modeling in transcatheter aortic valve replacement (TAVR) surgery. The combination of computational fluid dynamics, finite element analysis, and fluid-solid interaction analysis is used to evaluate the mechanics and dynamics of bioprosthetic heart valves. However, the high computational costs and complexity hinder the application of these methods. Recent advancements in deep learning provide a real-time alternative that can quickly provide hemodynamic parameters for guiding clinicians in selecting the best treatment option.
JOURNAL OF CLINICAL MEDICINE
(2023)
Article
Computer Science, Information Systems
Christos Chronis, Georgios Anagnostopoulos, Elena Politi, George Dimitrakopoulos, Iraklis Varlamis
Summary: This paper discusses the potential and challenges of using drones in logistics and transportation, proposing the use of a minimum set of sensors and reinforcement learning algorithms for safe and efficient navigation. The effectiveness of the proposed approach is validated through experiments.
Article
Energy & Fuels
Shitong Fang, Houfan Du, Tao Yan, Keyu Chen, Zhiyuan Li, Xiaoqing Ma, Zhihui Lai, Shengxi Zhou
Summary: This paper proposes a new type of nonlinear VIV energy harvester (ANVEH) that compensates for the decrease in peak energy output at low wind speeds by introducing an auxiliary structure. Theoretical and experimental results show that ANVEH performs better than traditional nonlinear VIV energy harvesters under various system parameter variations.
Article
Energy & Fuels
Wei Jiang, Shuo Zhang, Teng Wang, Yufei Zhang, Aimin Sha, Jingjing Xiao, Dongdong Yuan
Summary: A standardized method was developed to evaluate the availability of solar energy resources in road areas, which combined the Analytic Hierarchy Process (AHP) and the Geographic Information System (GIS). By analyzing critical factors and using a multi-indicator evaluation method, the method accurately evaluated the utilization of solar energy resources and guided the optimal location selection for road photovoltaic (PV) projects. The results provided guidance for the application of road PV projects and site selection for route corridors worldwide, promoting the integration of transportation and energy.
Article
Energy & Fuels
Chang Liu, Jacob A. Wrubel, Elliot Padgett, Guido Bender
Summary: The study investigates the effects of coating defects on the performance of the anode porous transport layer (PTL) in water electrolyzers. The results show that an increasing fraction of uncoated regions on the PTL leads to decreased cell performance, with continuous uncoated regions having a more severe impact compared to multiple thin uncoated strips.
Article
Energy & Fuels
Marcos Tostado-Veliz, Xiaolong Jin, Rohit Bhakar, Francisco Jurado
Summary: In this paper, a coordinated charging price mechanism for clusters of parking lots is proposed. The research shows that enabling vehicle-to-grid characteristics can bring significant economic benefits for users and the cluster coordinator, and vehicle-to-grid impacts noticeably on the risk-averse character of the uncertainty-aware strategies. The developed pricing mechanism can reduce the cost for users, avoiding to directly translate the energy cost to charging points.
Article
Energy & Fuels
Duan Kang
Summary: Building an energy superpower is a key strategy for China and a long-term goal for other countries. This study proposes an evaluation system and index for measuring energy superpower, and finds that China has significantly improved its ranking over the past 21 years, surpassing other countries.
Article
Energy & Fuels
Fucheng Deng, Yifei Wang, Xiaosen Li, Gang Li, Yi Wang, Bin Huang
Summary: This study investigated the synergistic blockage mechanism of sand and hydrate in gravel filling layer and the evolution of permeability in the layer. Experimental models and modified permeability models were established to analyze the effects of sand particles and hydrate formation on permeability. The study provided valuable insights for the safe and efficient exploitation of hydrate reservoirs.
Article
Energy & Fuels
Hao Wang, Xiwen Chen, Natan Vital, Edward Duffy, Abolfazl Razi
Summary: This study proposes a HVAC energy optimization model based on deep reinforcement learning algorithm. It achieves 37% energy savings and ensures thermal comfort for open office buildings. The model has a low complexity, uses a few controllable factors, and has a short training time with good generalizability.
Article
Energy & Fuels
Moyue Cong, Yongzhuo Gao, Weidong Wang, Long He, Xiwang Mao, Yi Long, Wei Dong
Summary: This study introduces a multi-strategy ultra-wideband energy harvesting device that achieves high power output without the need for external power input. By utilizing asymmetry, stagger array, magnetic coupling, and nonlinearity strategies, the device maintains a stable output voltage and high power density output at non-resonant frequencies. Temperature and humidity monitoring are performed using Bluetooth sensors to adaptively assess the device.
Article
Energy & Fuels
Tianshu Dong, Xiudong Duan, Yuanyuan Huang, Danji Huang, Yingdong Luo, Ziyu Liu, Xiaomeng Ai, Jiakun Fang, Chaolong Song
Summary: Electrochemical water splitting is crucial for hydrogen production, and improving the hydrogen separation rate from the electrode is essential for enhancing water electrolyzer performance. However, issues such as air bubble adhesion to the electrode plate hinder the process. Therefore, a methodology to investigate the two-phase flow within the electrolyzer is in high demand. This study proposes using a microfluidic system as a simulator for the electrolyzer and optimizing the two-phase flow by manipulating the micro-structure of the flow.
Article
Energy & Fuels
Shuo Han, Yifan Yuan, Mengjiao He, Ziwen Zhao, Beibei Xu, Diyi Chen, Jakub Jurasz
Summary: Giving full play to the flexibility of hydropower and integrating more variable renewable energy is of great significance for accelerating the transformation of China's power energy system. This study proposes a novel day-ahead scheduling model that considers the flexibility limited by irregular vibration zones (VZs) and the probability of flexibility shortage in a hydropower-variable renewable energy hybrid generation system. The model is applied to a real hydropower station and effectively improves the flexibility supply capacity of hydropower, especially during heavy load demand in flood season.
Article
Energy & Fuels
Zhen Wang, Kangqi Fan, Shizhong Zhao, Shuxin Wu, Xuan Zhang, Kangjia Zhai, Zhiqi Li, Hua He
Summary: This study developed a high-performance rotary energy harvester (AI-REH) inspired by archery, which efficiently accumulates and releases ultralow-frequency vibration energy. By utilizing a magnetic coupling strategy and an accumulator spring, the AI-REH achieves significantly accelerated rotor speeds and enhanced electric outputs.
Article
Energy & Fuels
Yi Yang, Qianyi Xing, Kang Wang, Caihong Li, Jianzhou Wang, Xiaojia Huang
Summary: In this study, a novel hybrid Quantile Regression (QR) model is proposed for Probabilistic Load Forecasting (PLF). The model integrates causal dilated convolution, residual connection, and Bidirectional Long Short-Term Memory (BiLSTM) for multi-scale feature extraction. In addition, a Combined Probabilistic Load Forecasting System (CPLFS) is proposed to overcome the inherent flaws of relying on a single model. Simulation results show that the hybrid QR outperforms traditional models and CPLFS exceeds the best benchmarks in terms of prediction accuracy and stability.
Article
Energy & Fuels
Wen-Jiang Zou, Young-Bae Kim, Seunghun Jung
Summary: This paper proposes a dynamic prediction model for capacity fade in vanadium redox flow batteries (VRFBs). The model accurately predicts changes in electrolyte volume and capacity fade, enhancing the competitiveness of VRFBs in energy storage applications.
Article
Energy & Fuels
Yuechao Ma, Shengtie Wang, Guangchen Liu, Guizhen Tian, Jianwei Zhang, Ruiming Liu
Summary: This paper focuses on the balance of state of charge (SOC) among multiple battery energy storage units (MBESUs) and bus voltage balance in an islanded bipolar DC microgrid. A SOC automatic balancing strategy is proposed considering the energy flow relationship and utilizing the adaptive virtual resistance algorithm. The simulation results demonstrate the effectiveness of the proposed strategy in achieving SOC balancing and decreasing bus voltage unbalance.
Article
Energy & Fuels
Raad Z. Homod, Basil Sh. Munahi, Hayder Ibrahim Mohammed, Musatafa Abbas Abbood Albadr, Aissa Abderrahmane, Jasim M. Mahdi, Mohamed Bechir Ben Hamida, Bilal Naji Alhasnawi, A. S. Albahri, Hussein Togun, Umar F. Alqsair, Zaher Mundher Yaseen
Summary: In this study, the control problem of the multiple-boiler system (MBS) is formulated as a dynamic Markov decision process and a deep clustering reinforcement learning approach is applied to obtain the optimal control policy. The proposed strategy, based on bang-bang action, shows superior response and achieves more than 32% energy saving compared to conventional fixed parameter controllers under dynamic indoor/outdoor actual conditions.