Pantograf-Katener Sistemler için Bulanık Mantık Tabanlı Belirlenen Pantograf Modeli Kullanılarak Ark Tespiti Yaklaşımı

Yaman, Orhan; Karaköse, Ebru; Aydın, İlhan; Karaköse, Mehmet; Akın, Erhan

doi:10.16984/saufenbilder.327098

Cited by 4 publications

(11 citation statements)

References 26 publications

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“…Especially at high speeds, activecontrolled pantographs are needed more. Because as speed increases, stability decreases for constant contact force [2,3,39,40].…”

Section: Catenary-pantograph Interactionmentioning

confidence: 99%

“…An application has been proposed to solve the arc, heating, and wear problems that occur with this developed model [73]. In his study, Yaman et al have developed the arc detection approach using a pantograph model determined for fuzzy logic-based for pantograph-catenary systems [74]. Wei et al abnormal wear in pantograph-catenary systems increase maintenance costs.…”

Section: Catenary-pantograph Interactionmentioning

confidence: 99%

“…The area where electric energy is used in transportation systems is Electric Rail Systems (ERS). Electric rail systems have been used in transportation for many years [1][2][3][4][5][6].…”

Section: Introductionmentioning

confidence: 99%

“…Increased speed in ERS increases electrical failures. For this reason, it is very important to detect faults in railroad systems and to determine appropriate inspection techniques[2,3,59,60]. Bryja et al, the effect of vibrations on the pantographcatenary system were analyzed by mathematical calculation.…”

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confidence: 99%

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Katener-Pantograf Etkileşimi İçin Elektrikli Tren Uygulama Çalışması

Parlakyıldız¹,

Gençoğlu²,

Cengiz³

2020

European Journal of Science and Technology

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Today, electric rail systems that use clean energy and are a fast and reliable means of transportation are used more because of their efficiency. The main purpose of new studies investigating pantograph catenary interaction in Electric Rail Systems is to detect malfunctions. With the spread of high-speed trains in electric rail systems, malfunctions occur in pantograph and catenary systems operating under high current and high voltage. The contact force of the pantograph-catenary system erodes the pantograph surface and arcs occur. For this reason, periodic control is mandatory in pantograph-catenary systems. In this study, new, effective, sensitive, stable, real-time applicable and contactless condition monitoring, analysis, control, and diagnostic methods were investigated for pantographcatenary systems that provide energy transmission from the electric line to the locomotive in electric trains. A literature search and study application after has been carried out for modeling a pantograph-catenary system and analysis of system parameters, instantaneous control of the contact force between the pantograph and catenary to diagnose malfunctions in the pantograph-catenary system. It has been observed that pantograph-catenary interaction is negatively affected and the quality of energy transmission decreases if the system parameters change for any reason. In pantograph-catenary systems, the importance of periodic pantograph control, which will ensure the stable and efficient operation of the system, is understood if the parameters change. Because changes in parameters cause malfunctions. Therefore, periodic control and continuous monitoring of the system is required.

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“…Especially at high speeds, activecontrolled pantographs are needed more. Because as speed increases, stability decreases for constant contact force [2,3,39,40].…”

Section: Catenary-pantograph Interactionmentioning

confidence: 99%

Section: Catenary-pantograph Interactionmentioning

confidence: 99%

“…The area where electric energy is used in transportation systems is Electric Rail Systems (ERS). Electric rail systems have been used in transportation for many years [1][2][3][4][5][6].…”

Section: Introductionmentioning

confidence: 99%

mentioning

confidence: 99%

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Katener-Pantograf Etkileşimi İçin Elektrikli Tren Uygulama Çalışması

Parlakyıldız¹,

Gençoğlu²,

Cengiz³

2020

European Journal of Science and Technology

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“…If the applied force is small, the electric train causes arcing and mechanical damage to the pantograph while driving. Accelerometer sensor, load cell sensor and encoder or GPS system are required to perform these tests [1][2][3][4][5][6]. In this study, the lighting conditions of a recording system with a LED lamp and a camera mounted on a wagon using in an electric rail system were analysed.…”

Section: Introductionmentioning

confidence: 99%

Thermal Analysis In Fixed, Flowed And Airless Environment For Cooling In Led Luminaires

Cengiz¹,

Yetkin

2020

L&E

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In this study, a simulation study was conducted for the loss of efficiency caused by the heat emitted by the LED chips. The temperature change of LED luminaire was analysed for three different scenarios using finite element method. Due to the increase in the internal temperature of the luminaire and due to the air effect inside the LED luminaires, failure of the LEDs has been tried to be prevented. For this purpose, a passive cooling method was proposed in the simulation environment. So, in high power LED luminaires, the high heat emitted by the LED chips is reduced to low heat by an air flow method. In this way, efficiency in LED outputs has been achieved.

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Visual Comfort at the Road Lighting on the Border Line

Parlakyıldız

2023

L&E

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Today, the most important factor in terms of border security is the safe observation of the officers at the border police stations and increasing the visibility of those who may cross without permission. Road lighting along the border is one of the most important physical parameters in preventing unauthorized crossings. If there is a large number of people crossing a border and this crossing cannot be stopped, states create a physical barrier by building a wall of concrete blocks on this border. However, this limit needs to be protected and observed. For this purpose, road and lighting installations are installed on the said country border for security purposes. The main purpose of the road lighting extending along the border is to increase the visibility of pedestrians and other objects and to prevent unauthorized passages safely by the security guards who patrol this area. Therefore, for good border road lighting, vision conditions should be improved, taking into account safety needs. Correctly provided border road lighting is a deterrent in preventing unauthorized border violations. Optimum road lighting along the border will also make the border guards working in this environment feel safe. In this study, according to the road lighting criteria specified by the International Commission on Lighting (CIE), the visual conditions on the road along the border were analyzed and solutions for lighting were presented.

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Pantograf-Katener Sistemler için Bulanık Mantık Tabanlı Belirlenen Pantograf Modeli Kullanılarak Ark Tespiti Yaklaşımı

Cited by 4 publications

References 26 publications

Katener-Pantograf Etkileşimi İçin Elektrikli Tren Uygulama Çalışması

Katener-Pantograf Etkileşimi İçin Elektrikli Tren Uygulama Çalışması

Thermal Analysis In Fixed, Flowed And Airless Environment For Cooling In Led Luminaires

Visual Comfort at the Road Lighting on the Border Line

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