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Utku Kale
Budapest University of Technology and Economics

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Journal article
Published: 17 May 2021 in Sustainability
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Autonomous Vehicles (AVs) represent an emerging and disruptive technology that provides a great opportunity for future transport not only to have a positive social and environmental impact but also traffic safety. AV use in daily life has been extensively studied in the literature in various dimensions, however; it is time for AVs to go further which is another technological aspect of communication. Vehicle-to-Vehicle (V2V) technology is an emerging issue that is expected to be a mutual part of AVs and transportation safety in the near future. V2V is widely discussed by its deployment possibilities not only by means of communication, even to be used as an energy transfer medium. ZalaZONE Proving Ground is a 265-hectare high-tech test track for conventional, electric as well as connected, assisted, and automated vehicles. This paper investigates the use of drones for tracking the cars on the test track. The drones are planned to work as an uplink for the data collected by the onboard sensors of the car. The car is expected to communicate with the drone which is flying in coordination. For the communication 868 MHz is selected to be used between the car and the drone. The test is performed to simulate different flight altitudes of drones. The signal strength of the communication is analyzed, and a model is developed which can be used for the future planning of the test track applications.

ACS Style

Melih Yildiz; Burcu Bilgiç; Utku Kale; Dániel Rohács. Experimental Investigation of Communication Performance of Drones Used for Autonomous Car Track Tests. Sustainability 2021, 13, 5602 .

AMA Style

Melih Yildiz, Burcu Bilgiç, Utku Kale, Dániel Rohács. Experimental Investigation of Communication Performance of Drones Used for Autonomous Car Track Tests. Sustainability. 2021; 13 (10):5602.

Chicago/Turabian Style

Melih Yildiz; Burcu Bilgiç; Utku Kale; Dániel Rohács. 2021. "Experimental Investigation of Communication Performance of Drones Used for Autonomous Car Track Tests." Sustainability 13, no. 10: 5602.

Journal article
Published: 13 May 2021 in Sustainability
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The International Civil Aviation Organization is estimated that the number of domestic and international passengers will be expected to reach six billion by 2030. This exponential growth in air transport has resulted in a wide range of adverse effects such as environmental impacts. The purpose of this research is to develop new air traffic management, and operator (pilots, air traffic controllers) load measuring systems in order to save fuel, and flight time, thereby reducing environmental impact, carbon emission, greenhouse gas generation, noise pollution, and operating cost. This paper deals with: (i) dynamic sectorization and airspace configuration (ii) introduction of the highly dynamic approach and landing procedures, (iii) dilemmas of human in sustainability (related to the individuals, the society, the non-governmental organizations, and the managers), and (iv) development of dedicated non-intrusive operator supporting systems based on eye-tracking, heart rate, and electrodermal activity. Due to the consequent effects of these developments, the dynamic sectorization and air space configuration may eliminate the task overload and reduce the actual operator load by 30–40%. With the developed concept of dynamic approach and landing procedures, aircraft will be able to follow better trajectories to avoid residential areas around airports to (i) reduce ground noise, and emission, (ii) avoid encounters severe weather and prevent incidents and accidents, and (iii) decrease landing distance up to 56% in compared to the “published transition route”.

ACS Style

Utku Kale; István Jankovics; András Nagy; Dániel Rohács. Towards Sustainability in Air Traffic Management. Sustainability 2021, 13, 5451 .

AMA Style

Utku Kale, István Jankovics, András Nagy, Dániel Rohács. Towards Sustainability in Air Traffic Management. Sustainability. 2021; 13 (10):5451.

Chicago/Turabian Style

Utku Kale; István Jankovics; András Nagy; Dániel Rohács. 2021. "Towards Sustainability in Air Traffic Management." Sustainability 13, no. 10: 5451.

Journal article
Published: 07 May 2021 in Sustainability
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Rubber is one of the rare materials that can be used in many sectors and for multiple purposes. It can be used in a wide range of frameworks, from very simple coating materials to very complex spacecraft parts. Apart from natural rubber, compounds are also used for different purposes in rubber production. For a product with such a wide range of uses, the sustainability of its compounds is particularly important. The objective of this study is to investigate environmentally friendly and sustainable alternatives for rubber and some compounds, such as fillers and softeners. By doing this research with an academic method, the most suitable option is determined by taking the weights of the factors affecting this decision into consideration. As a result, the most suitable rubber, filler, and softener options are presented.

ACS Style

Murat Ayar; Alper Dalkiran; Utku Kale; András Nagy; Tahir Karakoc. Investigation of the Substitutability of Rubber Compounds with Environmentally Friendly Materials. Sustainability 2021, 13, 5251 .

AMA Style

Murat Ayar, Alper Dalkiran, Utku Kale, András Nagy, Tahir Karakoc. Investigation of the Substitutability of Rubber Compounds with Environmentally Friendly Materials. Sustainability. 2021; 13 (9):5251.

Chicago/Turabian Style

Murat Ayar; Alper Dalkiran; Utku Kale; András Nagy; Tahir Karakoc. 2021. "Investigation of the Substitutability of Rubber Compounds with Environmentally Friendly Materials." Sustainability 13, no. 9: 5251.

Journal article
Published: 30 April 2021 in Technology audit and production reserves
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The object of research is technologies for waste aviation oils and lubricants recycling and utilization. The work is devoted to the analysis of the current state and the assessment of the technological potential in the field of processing and disposal of aviation lubricants. The current state and dynamics of the market for the production and consumption of aviation lubricants are considered. The main properties and functions of aviation oils and lubricants are analyzed, the main technical requirements for them are formulated. A complex of physical and chemical processes that occur in lubricants during their operation and long-term storage, and lead to a loss of their quality, is considered. It is shown that the main factors of quality deterioration are high-temperature destruction, oxidation, polymerization and condensation of hydrocarbons, mixing with fuel, and pollution with inorganic compounds. The main ecological as well as economic problems associated with the aссamulation of waste lubricants are considered, their negative impact on the components of the environment and human health is described. So, the main negative effects are associated with their improper storage, discharge into water bodies or soils, as well as with their burning and the formation of toxic emissions. On the basis of this, the need for the development and implementation of integrated technologies for the disposal of waste lubricating materials is shown. The main directions, methods and technologies that are used for their utilization are presented. So, depending on the composition, quality and properties of waste lubricants, technologies for restoring their quality, processing technologies using them as raw materials for the production of similar petroleum products, technologies for obtaining low-quality fuels for stationary equipment based on them can be used. It is shown that the development and application of effective technologies for the disposal of used lubricants has a number of positive effects: minimization of the negative impact on the environment, savings and expansion of oil resources for the production of commercial petroleum products, and, as a result, saving money.

ACS Style

Sergii Boichenko; Anna Yakovlieva; Utku Kale; András Nagy. Analysis of technological potential for utilization of waste aviation lubricating materials. Technology audit and production reserves 2021, 2, 26 -32.

AMA Style

Sergii Boichenko, Anna Yakovlieva, Utku Kale, András Nagy. Analysis of technological potential for utilization of waste aviation lubricating materials. Technology audit and production reserves. 2021; 2 (1(58)):26-32.

Chicago/Turabian Style

Sergii Boichenko; Anna Yakovlieva; Utku Kale; András Nagy. 2021. "Analysis of technological potential for utilization of waste aviation lubricating materials." Technology audit and production reserves 2, no. 1(58): 26-32.

Journal article
Published: 19 August 2020 in Sensors
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Due to the introduction of highly automated vehicles and systems, the tasks of operators (drivers, pilots, air traffic controllers, production process managers) are in transition from “active control” to “passive monitoring” and “supervising”. As a result of this transition, the roles of task load and workload are decreasing while the role of the mental load is increasing, thereby the new type of loads might be defined as information load and communication load. This paper deals with operators’ load monitoring and management in highly automated systems. This research (i) introduces the changes in the role of operators and requirements in load management, (ii) defines the operators’ models, (iii) describes the possible application of sensors and their integration into the working environment of operators, and (iv) develops the load observation and management concept. There are some examples of analyses of measurements and the concept of validation is discussed. This paper mainly deals with operators, particularly pilots and air traffic controllers (ATCOs).

ACS Style

Utku Kale; József Rohács; Dániel Rohács. Operators’ Load Monitoring and Management. Sensors 2020, 20, 4665 .

AMA Style

Utku Kale, József Rohács, Dániel Rohács. Operators’ Load Monitoring and Management. Sensors. 2020; 20 (17):4665.

Chicago/Turabian Style

Utku Kale; József Rohács; Dániel Rohács. 2020. "Operators’ Load Monitoring and Management." Sensors 20, no. 17: 4665.

Journal article
Published: 04 February 2019 in Aircraft Engineering and Aerospace Technology
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The main purpose of this study is to introduce the pilots’ load model and developed concept of load measuring system for operator load management. In future aeronautical system, the role of operators (pilots and air traffic controllers [ATCOs]) will be in transition from active controlling to passive monitoring. Therefore, the operators’ load (task, information, work and mental) model was developed. There were developed measuring systems integrating into the pilot and ATCOs working environment eye tracking system outside measuring equipment. Operator load management was created by using the measurement. In future system depending on time and automation level, the role of information and mental load will be increased. In flight simulator practice, developed load management method serves as a good tool for improving the quality of pilot training. According to the test results, the load monitoring and management system increase the safety of operators’ action in an emergency situation. The developed method were tested in two flight simulators (one developed for scientific investigation and other one applied for pilot training) and ATM management laboratory. By deployment of the develop load monitoring and management system, the safety of aircraft flights and air transport management will be increased, especially in an emergency situation. People and society’s acceptance of future highly automated system will be increased. The analysis focuses on the following: developing operator’s load model as improved situation awareness model of Endsley, developing monitoring system integrated into operator’s working environment, creating load management system.

ACS Style

Istvan Jankovics; Utku Kale. Developing the pilots’ load measuring system. Aircraft Engineering and Aerospace Technology 2019, 91, 281 -288.

AMA Style

Istvan Jankovics, Utku Kale. Developing the pilots’ load measuring system. Aircraft Engineering and Aerospace Technology. 2019; 91 (2):281-288.

Chicago/Turabian Style

Istvan Jankovics; Utku Kale. 2019. "Developing the pilots’ load measuring system." Aircraft Engineering and Aerospace Technology 91, no. 2: 281-288.