Umit Cali

Umit Cali
The University of York

Doctor of Engineering

About

169
Publications
31,198
Reads
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2,086
Citations
Education
May 2005 - June 2010
Universität Kassel
Field of study
  • Electrical Engineering and Computer Science

Publications

Publications (169)
Article
Full-text available
This study investigates strategies for enhancing the performance of dual-star induction generators in wind power systems by optimizing the full control algorithm. The control mechanisms involved include the PID (Proportional-Integral-Derivative) controller for speed regulation and the PI (Proportional-Integral) controller for flux, DC-link voltage,...
Article
Full-text available
Currently, electric vehicles (EVs) are the most liked mode for green transportation. However, the vehicle-to-grid (V2G) technology can reduce the peak demand on the power grid, which is an efficient way to encourage the integration of EVs. This paper proposes a multi-objective-based economic dispatch management including EVs to minimize the generat...
Article
Full-text available
Profit maximization is crucial for both producers and customers in power grids, particularly in deregulated energy markets. By focusing on profit maximization measures, power grids can improve economic viability and sustainability for all stakeholders. The growing demand for electricity in modern civilization poses a significant challenge to the po...
Article
Full-text available
In this work, a study of economic and emission dispatch issues based on the multi-objective optimization is solved, and generation costs and emissions are reduced by utilizing multi-objective optimization techniques. This optimization is carried out in an IEEE-30 bus system, with and without the integration of wind energy sources, with equality and...
Article
Full-text available
The depletion of conventional energy sources has led to an increase in interest in renewable energy across the globe. The usage of renewable energy has lowered economic risk in the electricity markets. This study presents an approach to utilize solar photovoltaic as a renewable energy source, fuel cells as the energy storage system, and Flexible AC...
Article
Full-text available
Prosumer communities are integrating renewable energy sources to reduce energy costs and carbon emissions for sustainable and clean energy awareness. However, increasing solar photovoltaic penetration in low-voltage distribution networks leads to serious power quality challenges, such as overvoltage for grid operators and prosumers. Integrating ele...
Preprint
Full-text available
In recent years, neural networks have been used to implement symmetric cryptographic functions for secure communications. Extending this domain, the proposed approach explores the application of asymmetric cryptography within a neural network framework to safeguard the exchange between two communicating entities, i.e., Alice and Bob, from an advers...
Article
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Energy systems require radical changes due to the conflicting needs of combating climate change and meeting rising energy demands. These revolutionary decentralization, decarbonization, and digitalization techniques have ushered in a new global energy paradigm. Waves of disruption have been felt across the electricity industry as the digitalization...
Article
Full-text available
Municipal water supply system (WSS) consist of different pumping stages viz. intake, water treatment plant (WTP) and intermediate pumping station (IPS). Usually, the power supply for WSS is obtained through public power tapping sources. However, this often leads to load shedding and disruption of the water supply. This paper focuses on the concept,...
Article
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Maximising the energy potential of offshore wind farms requires an in-depth assessment of technological, economic, sociopolitical, and environmental aspects. Given the large economic impact of large-scale projects, a robust site selection procedure is critical for limiting financial risks while supporting informed investments. This research uncover...
Article
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Considering photovoltaic systems’ sustainability and environmental friendliness, they have been widely used due to ease of installation as their cost reduces and their efficiency is improved. Analytical maximum power point tracking methods for photovoltaic system work effectively under uniform weather conditions. However, they may fall into local m...
Article
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Energy storage systems (ESS) can provide flexible and reliable energy management due to the rapid development of distributed renewable energy systems (RES). Second-life batteries (SLB) can overcome the environmental concerns and high investment costs related to fresh battery production. However, the integration of storage-based RES poses several ch...
Article
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In recent years, battery degradation has become a critical concern in various industries, including electric vehicles, renewable energy systems, and portable electronics. To address this issue, data-driven techniques have emerged as a promising approach for lithium-ion battery (LIB) degradation analysis and estimation. This paper focuses on the app...
Article
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The capacity of electric vehicle batteries degrades depending on users’ driving and charging behaviors and operating conditions. Degraded batteries can provide energy and power to second-use applications as energy storage. However, the feasibility of a second-life battery strongly depends on price and technical properties such as the remaining capa...
Article
Full-text available
Battery control strategies are crucial in optimizing energy storage systems’ performance and economic feasibility. A comprehensive analysis of battery control strategies should include an integrated perspective considering optimal battery capacities, life cycle cost (LCC), self-consumption rates (SCR), and battery degradation. This study proposed a...
Article
Renewable Energy Certificates (RECs) are tradable units that represent the commodity in the form of environmental attributes generated for each unit of electricity produced by a renewable energy source. Furthermore, the energy sector's digitalization ushers in new crucial enablers like Distributed Ledger Technology (DLT), which may be used for REC...
Conference Paper
Full-text available
In recent years, there has been a growing trend in research on smart contract applications. Smart contracts potential in the energy landscape is visible in their major applications such as peer-to-peer energy trading, electric vehicle charging, energy market management, and many more. Many studies have been conducted that produced a lot of literatu...
Article
Local energy communities and electricity markets have emerged as possibilities for interaction among prosumers. A substantial effort has been invested into creating efficient pricing mechanisms for various market arrangements, all of which take into consideration distinct characteristics of local electricity trading. However, since they are all eva...
Article
Full-text available
As the transition to electric mobility accelerates, charging infrastructure is rapidly expanding. Publicly accessible chargers, also known as electric vehicle supply equipment (EVSE), are critical not only for further promoting the transition but also for mitigating charger access anxiety among electric vehicle (EV) users. It is essential to instal...
Preprint
Full-text available
With the rise of intelligent applications, such as self-driving cars and augmented reality, the security and reliability of wireless communication systems have become increasingly crucial. One of the most critical components of ensuring a high-quality experience is channel estimation, which is fundamental for efficient transmission and interference...
Preprint
Full-text available
p>For local energy markets to become a widely accepted, real-life phenomenon, the models must extend beyond the techno-economical aspects and energy justice within these market structures must be thoroughly addressed. To measure the perceived fairness of a local energy market, some studies have adapted fairness indicators originated from other fiel...
Preprint
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p>This manuscript is the preprint version of a conference paper that is accepted for presentation and publication, International Conference on Future Energy Solutions (FES2023) to be held in Vaasa, Finland, 12-14, June 2023.</p
Preprint
Full-text available
p>This manuscript is the preprint version of a conference paper that is accepted for presentation and publication, International Conference on Future Energy Solutions (FES2023) to be held in Vaasa, Finland, 12-14, June 2023.</p
Preprint
Full-text available
p>For local energy markets to become a widely accepted, real-life phenomenon, the models must extend beyond the techno-economical aspects and energy justice within these market structures must be thoroughly addressed. To measure the perceived fairness of a local energy market, some studies have adapted fairness indicators originated from other fiel...
Conference Paper
Blockchain is the driving technology behind the metaverse, which is a new and promising technology. Integration of metaverse with many sectors and implementations is possible. This integration has the potential to increase the efficiency and effectiveness of the implementation due to the provided aspects of blockchain technology such as the ease of...
Chapter
Full-text available
Digitalization and decarbonization are two strong trends which shape modern energy systems. The renewable energy sector, especially within the wind power domain, is also impacted by these trends. In addition to up-to-date information and communication technologies (ICT), such as artificial intelligence (AI), distributed ledger technology (DLT), and...
Article
Full-text available
The coronavirus disease (COVID-19) has continued to cause severe challenges during this unprecedented time, affecting every part of daily life in terms of health, economics, and social development. There is an increasing demand for chest X-ray (CXR) scans, as pneumonia is the primary and vital complication of COVID-19. CXR is widely used as a scree...
Preprint
Full-text available
p>The power system and markets have become increasingly complex along with an effort to digitalize the energy sector. Accessing flexibility services, in particular, through digital energy platforms, has enabled communication between multiple entities within the energy system and streamlined flexibility market operations. However, digitalizing these...
Preprint
Full-text available
p>The power system and markets have become increasingly complex along with an effort to digitalize the energy sector. Accessing flexibility services, in particular, through digital energy platforms, has enabled communication between multiple entities within the energy system and streamlined flexibility market operations. However, digitalizing these...
Preprint
Full-text available
p>Local energy communities and electricity markets have emerged as possibilities for interaction among prosumers. A substantial effort has been invested into creating efficient pricing mechanisms for various market arrangements, all of which take into consideration distinct characteristics of local electricity trading. However, since they are all e...
Preprint
Full-text available
p>Local energy communities and electricity markets have emerged as possibilities for interaction among prosumers. A substantial effort has been invested into creating efficient pricing mechanisms for various market arrangements, all of which take into consideration distinct characteristics of local electricity trading. However, since they are all e...
Preprint
Full-text available
p>The Digital Green Transition of the energy industry is accelerating as decarbonization and digitalization of the power market and system are gaining momentum. Unlocking the full and real potential of local energy markets is among the opportunities to be demystified in the coming years, with blockchain technology being a prominent enabler. Importa...
Preprint
Full-text available
p>The Digital Green Transition of the energy industry is accelerating as decarbonization and digitalization of the power market and system are gaining momentum. Unlocking the full and real potential of local energy markets is among the opportunities to be demystified in the coming years, with blockchain technology being a prominent enabler. Importa...
Article
Full-text available
Electric vehicles (EVs) improve the power grid by increasing intermittent renewable energy consumption and providing financial support to EV users via vehicle-to-grid (V2G) integration. While estimating these advantages, a number of studies have neglected to consider the effect of driving and charging behavior patterns on their results. This articl...
Article
Building integrated photovoltaics (BIPVs) have become increasingly popular in urban areas due to their potential to provide zero-emission energy in buildings. BIPVs enable the use of MO of photovoltaic (PV) modules, resulting in multiple generation peaks throughout the day, which can closely match the consumption profile of a building. However, des...
Preprint
Full-text available
The widespread use of information and communication technology (ICT) over the course of the last decades has been a primary catalyst behind the digitalization of power systems. Meanwhile, as the utilization rate of the Internet of Things (IoT) continues to rise along with recent advancements in ICT, the need for secure and computationally efficient...
Preprint
Full-text available
p>In recent years, there has been a growing trend in research on smart contract applications. Smart contracts potential in the energy landscape is visible in their major applications such as peer-to-peer energy trading, electric vehicle charging, energy market management, and many more. Many studies have been conducted that produced a lot of litera...
Preprint
Full-text available
p>In recent years, there has been a growing trend in research on smart contract applications. Smart contracts potential in the energy landscape is visible in their major applications such as peer-to-peer energy trading, electric vehicle charging, energy market management, and many more. Many studies have been conducted that produced a lot of litera...
Article
Full-text available
The design of a security scheme for beamforming prediction is critical for next-generation wireless networks (5G, 6G, and beyond). However, there is no consensus about protecting beamforming prediction using deep learning algorithms in these networks. This paper presents the security vulnerabilities in deep learning for beamforming prediction using...
Article
Full-text available
Decarbonization of energy systems has been a recent trend during the last two decades where large-scale renewable energy sources (RES) are integrated into the modern power systems. Various countries have developed new energy policy instruments, such as Renewable Energy Certificates (RECs), to promote the growth of RES. RECs are tradable, non-tangib...
Conference Paper
Metaverse is the next generation of Internet-based applications and social forms using various cutting-edge technologies, such as virtual reality, augmented reality, 3D holographic avatars, video, cloud computing, etc. It is also defined as a virtual parallel life, i.e., a digital twin of real life, utilizing physical, augmented, and virtual realit...
Preprint
Full-text available
p>Digitization in the power industry enables wide connectivity among multiple new entrants such as DERs, prosumers, and P2P counterparts within or outside the Distributed Ledger Technology (DLT). The use of DLT to improve resilience in the power grid has growing support, but new technology provides new opportunities for adversaries to cause harm. T...
Preprint
Full-text available
p>Digitization in the power industry enables wide connectivity among multiple new entrants such as DERs, prosumers, and P2P counterparts within or outside the Distributed Ledger Technology (DLT). The use of DLT to improve resilience in the power grid has growing support, but new technology provides new opportunities for adversaries to cause harm. T...
Preprint
Full-text available
With the rapid development and integration of artificial intelligence (AI) methods in next-generation networks (NextG), AI algorithms have provided significant advantages for NextG in terms of frequency spectrum usage, bandwidth, latency, and security. A key feature of NextG is the integration of AI, i.e., self-learning architecture based on self-s...
Article
Full-text available
Nowadays, EVs are rapidly increasing in popularity, and are accepted as the vehicles of the future all over the world. The most important components are their battery and charging systems. The energy capacity of EVs’ batteries has a significant potential to supply different energy requirements. Therefore, EVs must be designed in accordance with bid...
Article
Full-text available
Traditional assessment indexes could not fully describe offshore wind resource for the meteorological properties of offshore are more complex than onshore. And as a result, the uncertainty of offshore wind power projects would be increased and final economic benefits would be affected. Therefore, a study on offshore wind resource assessment is carr...
Preprint
Full-text available
p>Smart contracts (SCs) are a set of logical procedures that can be run by individual peers participating within a Distributed Ledger Technology (DLT) network. By design, smart contracts inherit many of the benefits of DLT, including its immutability, scalability and security properties. Nevertheless, they may introduce additional attack vectors, w...
Preprint
Full-text available
p>Smart contracts (SCs) are a set of logical procedures that can be run by individual peers participating within a Distributed Ledger Technology (DLT) network. By design, smart contracts inherit many of the benefits of DLT, including its immutability, scalability and security properties. Nevertheless, they may introduce additional attack vectors, w...
Preprint
Full-text available
Cellular networks (LTE, 5G, and beyond) are dramatically growing with high demand from consumers and more promising than the other wireless networks with advanced telecommunication technologies. The main goal of these networks is to connect billions of devices, systems, and users with high-speed data transmission, high cell capacity, and low latenc...