Searched for: subject%3A%22Wireless%255C%2BPower%255C%2BTransfer%22
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Lu, T. (author), Du, S. (author)
In this letter, a 6.78-MHz single-stage regulating voltage-doubling rectifier is presented for biomedical wireless power transfer (WPT) applications. Derived from a full-wave voltage doubler, a theoretical voltage conversion ratio (VCR) of 2 can be achieved, which benefits the end-to-end voltage gain of a biomedical WPT system with varying...
journal article 2023
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Song, Hongjie (author)
With the popularity of electrical vehicles (EVs), the demand for EVs charging is also increasing. Compared to traditional wired charging, wireless charging can avoid many safety issues. The efficiency of wireless power transfer (WPT) system is determined by many factors, the coupling factor is one of the most important factors. Therefore,...
master thesis 2022
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Huang, Zian (author)
In recent years, the Wireless Power Transfer (WPT) system has become more and more popular due to its prominent advantages, especially for Electrical Vehicle (EV) charging. The WPT systems are required to follow the EV battery charging profiles, thus more and more voltage control methods with distinctive characteristics are proposed and studied....
master thesis 2022
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den Ouden, Bram (author)
master thesis 2022
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Liu, Shurui (author)
This article presents a novel wide operational range reconfigurable regulating rectifier for wireless power transfer. The proposed 1X/2X/3X rectifier achieves wide range voltage regulation without global loop control to minimize the area occupation. Compared with previous work, more working modes and greater magnification allow the proposed...
master thesis 2022
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Pahlavan, Saeideh (author), Shooshtari, M. (author), Maleki, Mohammadreza (author), Jafarabadi Ashtiani, Shahin (author)
We propose an induction link based on overlapping arrays to eliminate blank spots on the electromagnetic field for moving object applications. We use two arrays of four aligned coils that have a 50% overlap between the two plates. This mechanism compensates for the internal coil power drop at positions in the boundaries between two adjacent...
journal article 2022
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Chang, Ziyi (author), Zhang, Yunshan (author), Yang, Changgui (author), Luo, Yuxuan (author), Du, S. (author), Chen, Yong (author), Zhao, Bo (author)
The size of wireless systems is required to be reduced in many applications, such as ultra-low-power sensor nodes and wearable/implantable devices, where battery and crystal are the two main bottlenecks in system miniaturization. In recent years, battery-free radios based on wireless power transfer (WPT) have shown great potential in...
journal article 2022
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Lu, T. (author), Du, S. (author)
A 6.78 MHz dual-output reconfigurable rectifier for wireless power transfer is presented. The proposed rectifier integrates AC-DC rectification and DC-DC regulation into a single-stage topology, alleviating received power loss and reducing system volume cost. By adding a switch matrix after rectifying bridge, a dual output can be realized and...
conference paper 2022
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Zhu, G. (author), Dong, J. (author), Shi, W. (author), Soeiro, Thiago B. (author), Xu, J. (author), Bauer, P. (author)
This article proposes a mode-switching-based phase shift control (MS-PSC) for wireless power transfer (WPT) systems, which is able to achieve power regulation, load matching, and wide ZVS operations simultaneously without using additional dc-dc converters. Based on the mode transitions between the full-bridge, mixed-bridge, and half-bridge...
journal article 2022
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PAPADOPOULOS, ILIAS (author)
One of the main reasons that the efficiency drops from cell to module is the conduction losses. To increase the efficiency of the PV module, the produced charge carriers in the semiconductor materials should be transferred to the PV module terminals with minimum conduction losses. As an alternative to the conventional cells and modules...
master thesis 2021
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Mangudi Sankar, Swaminathan (author)
The need for efficient power transfer at lower cost is a common requisite for any power con­verter system. When considering the application of wireless power transfer for Electric Vehicle(EV) charging, higher efficiency and lower cost can be achieved by reducing the number of stages of the system at the grid side. This thesis explores the...
master thesis 2021
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Hurkmans, Brecht (author), van der Kolk, Floris (author)
Wireless power transfer has been around for a long time. In 1899 Nikola Tesla demonstrated that it was possible to transfer power using a pair of coils. This technology has advanced to now charge a wide range of portable devices, such as phones. In this thesis, a wireless charging system is designed to be integrated into a power bank with UV-C...
bachelor thesis 2021
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van Leeuwen, C.J. (author)
In this thesis I research the ability of groups of agents to organize their collective behavior, without any human intervention. Using a framework for gathering information of the behavior, analyzing the performance, and updating the behavior, the agents can adapt to changing environments or user requirements. In my thesis I use different...
doctoral thesis 2021
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Verwijmeren, Teun (author)
The market for shared mobility has seen massive growths in recent years. Pollution and congestion requires us to rethink how we move around and new technologies make sharing continuously easier and more convenient. Society is slowly moving towards a mindset that values access over ownership, and this is also the case for (urban) mobility....
master thesis 2021
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Riekerk, C. (author), Grazian, F. (author), Soeiro, Thiago B. (author), Dong, J. (author), Bauer, P. (author)
The increase in popularity of electric vehicles (EVs) and the pursuit of user convenience makes wireless power transfer (WPT) an attractive technology for the charging of batteries. The usage of WPT in e-transportation is not straightforward because the current standardization limits the allowed operating frequency range and magnitude of the...
conference paper 2021
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Westhoek, Youri (author)
Implantable medical devices (IMDs) such as cardiac pacemakers, cochlear implants, and neurostimulators improve millions of people’s lives every day. Over the years, IMDs have significantly improved in function, increased in lifetime, and decreased in size. However, further miniaturisation is limited by the batteries used to power these devices,...
master thesis 2020
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Riekerk, Calvin (author)
Wireless power transfer (WPT) is becoming a popular choice for charging of batteries in various applications. Particularly, the increase in popularity of electrical vehicles (EVs) and the pursuit of user convenience for charging the batteries makes WPT an attractive solution. The usage of WPT in e-transportation is not straightforward because...
master thesis 2020
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Skrekas, Vassilis (author)
The field of active implantable medical devices (IMDs) has made huge steps forward in the last years. IMDs are used today for the treatment of previously untreatable conditions as well as the continuous monitoring of the health of patients. The field, where active IMDs have been the most successful, is the field of neurological conditions, on...
master thesis 2020
document
Zufiria Gerbolés, Pedro (author)
Neurostimulation is a common medical treatment modality used to treat neurological disorders. It applies electrical pulses to revert and prevent undesired neural behavior or to create desired neural behavior. The required specificity of said stimulation treatments is oftentimes achieved by implanting the neurostimulator close to the target area....
master thesis 2020
document
Siddiqi, M.A. (author), Serdijn, W.A. (author), Strydis, C. (author)
The wireless capabilities of modern Implantable Medical Devices (IMDs) make them vulnerable to security attacks. One prominent attack, which has disastrous consequences for the patient’s wellbeing, is the battery Denial-of-Service attack whereby the IMD is occupied with continuous authentication requests from an adversary with the aim of...
journal article 2020
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