Wirelesscharging for electric vehicles (EVs) enjoys many benefits, such as convenience, safety, and automation. One of the major issues concerning EV wireless charging is misalignment tolerance along door-to-door direction EV. This letter proposes a misalignment-tolerant dual-transmitter system with reconfigurable topology. At central positions, can be reconfigured to S-S (series-series) topology where two transmitting coils are connected in series feed load. boundary form LCCC-S...

For electric vehicles (EVs) equipped with an onboard charger (OBC) and a wireless power transfer (WPT) system, there will be two charging systems in the EVs, which increases cost, weight, complexity. Based on proposed design of magnetic couplers, this letter proposes novel integration method for OBC WPT EV charging. The isolation transformer system can regarded as strongly coupled coils. secondary-side coil, namely receiving also loosely transmitting coil system. Thus, compensation,...

Constant current (CC) and constant voltage (CV) charging are two stages for li-ion batteries in an electric vehicle wireless system. Based on the three-coil structure, this letter proposes a novel reconfigurable topology to achieve CC CV charging. The transmitting coil is split into windings with one winding having turn number much smaller than other. fully compensated connected corresponding inverter phase. system can be reconfigured perform as two-coil structure output or output. Unlike...

Wireless power transfer (WPT) has the advantages of safety, convenience, and freedom from impact environment. Misalignment tolerance is a major issue for electric vehicle wireless charging system. In this letter, WPT system with antioffset characteristic proposed based on dual coupled transmitting coils antiparallel windings, forming inductor-capacitor-capacitor-series ( <italic xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">LCC</i> -S) topology....

One current issue concerning rapidly developing electric vehicles (EVs) is range anxiety, especially when no charging station around. A simple and expandable vehicle-to-vehicle (V2V) wireless scheme has been proposed to satisfy urgent needs. In the V2V system, one EV serves as a mobile charger for other. Two power relay coils without compensating capacitors are adopted, forming strong coupling with in EV. Thus, can be transferred from other via ac magnetic relay. The mathematical models of...

To improve the power level of a diode rectifier, multi-phase rectifier can be employed to increase current rating. This brief proposes passive balancing method for in series-series compensated wireless transfer system. For an N-phase receiver-side compensating capacitance is split into N branches, forming parallel resonant network with newly added inductors. The circulating currents greatly suppressed by network. inductors only withstand differential-mode currents, which are small. Thus,...

The rapid development of electric vehicles (EVs) calls for an efficient and convenient charging method. Wireless power transfer (WPT) is favored by the academia industry because its convenience, security, automation. However, there are still many problems to be solved, one which interoperability issue between different coil types. In this article, EV wireless system based on three decoupled non-overlapping unipolar transmitting coils proposed. inductor-capacitor-capacitor-series topology...

In electric vehicles (EVs), the wireless charging system (WCS) for high-voltage (HV) power battery and auxiliary module (APM) low-voltage (LV) possess some similar conversion stages. This letter proposes an integrated solution WCS APM with shared magnetic coupler, compensation network, electronics converter. The coupling coil is incorporated reverse windings so as to couple receiving but decouple transmitting of system. Thus, it forms couplers APM. proposed can work in mode where are...

Abstract A randomized, active‐controlled clinical trial was conducted to examine the effect of pulsed electromagnetic fields (PEMFs) on women with postmenopausal osteoporosis (PMO) in southwest China. Forty‐four participants were randomly assigned receive alendronate or one course PEMFs treatment. The primary endpoint mean percentage change bone mineral density lumbar spine (BMDL), and secondary endpoints changes left proximal femur (BMDF), serum 25OH vitamin D3 (25(OH)D) concentrations,...

The concept, principle, and method of microwave radiometric imaging with mirrored aperture synthesis (MAS) were proposed by the Huazhong University Science Technology (HUST), Wuhan, China. MAS can achieve higher spatial resolution without extending size antenna array. However, principle has not been sufficiently validated practical experiments. To solve this problem, an innovative experiment system at V-band (MAS-V) developed HUST. Experiments on interference fringe pattern, resolution, as...

Wireless charging for electric vehicles (EVs) enjoys advantages such as automation, safety, and convenience. For the most popular magnetic induction wireless power transfer (WPT) technology, different coupled coils are utilized unipolar coil, bipolar quadruple coil. Thus, interoperability of coil types should be solved. Particularly, transmitter interoperable with receiving types, able to charge EVs This paper proposes an solution two types: The adopted on side. Based transmitter-side...

In electric vehicle (EV) dynamic wireless power transfer (DWPT) systems, changes in the mutual inductance will lead to fluctuations output voltage and efficiency. this article, a triple-coil receiver with novel triple-diode rectifier structure that can reduce number of diodes is proposed, each phase connected one triple decoupling coils (TDCs) on receiving side. Decoupling achieved partial overlapping. Reverse windings are integrated into TDC smooth fluctuations. The proposed switches...

For an aperture synthesis radiometer (ASR), the visibility and modified brightness temperature (BT) are related to Fourier transform when distance between system source is in far-field region. BT reconstruction can be achieved using G-matrix imaging. However, for ASRs with large array sizes, condition not satisfied performing performance tests anechoic chamber due size limitations. Using imaging methods near-field conditions introduce errors images fail correctly reconstruct BT. Most of...

Osteoporosis (OP) and osteoarthritis (OA) are prevalent skeletal disorders among postmenopausal women. Coexistence is common especially that of osteoporosis (PMO) lumbar OA. An hypothesis has been raised OP OA might share the same pathogenic mechanism, pulsed electromagnetic fields (PEMFs) were reported to have anti-osteoporosis anti-osteoarthritis properties, but this suggestion was based primarily on biomarker data. Therefore, whether these two effects could take place simultaneously not...

Electric vehicles (EVs) normally contain two kinds of batteries: high-voltage (HV) power battery and low-voltage (LV) auxiliary battery. The charging systems for these batteries are independent separate. This article proposes an integrated system that combines wireless transfer (WPT) the HV module (APM) LV Part electronics converters compensation network is shared. doubled-sided <italic xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">LCC</i> topology...

When observing the Earth from space, synthetic aperture radiometer antenna array is sometimes set as a non-uniform array. In image reconstruction, existing brightness temperature reconstruction methods include grid method and factor forming (AFF) method. However, when using traditional for imaging, errors are usually introduced or some prior information required. this article, we propose new IASR imaging with deep convolution neural network (CNN). The frequency domain extracted through...

As an emerging technology, wireless power transfer (WPT) can be applied in many fields such as consumer electronics. Due to the limited charging area, user experience of for electronics needs enhanced. Based on tilted long-track transmitting coil array, this brief proposes a high-degree-of-freedom WPT system achieve free positioning when receiver is placed horizontally or with angle plane. Using coils enlarge area along track direction. array and supplying via two adjacent between enhance...

The inductive power transfer (IPT) system needs to have a stable output even when the coil offset occurs. In this article, combination of square and novel cross-shaped solenoid pad with reverse windings is proposed. former used pick up vertical magnetic flux, latter receive horizontal flux generated in case compensate for decrease flux. A dual-channel inductor-capacitor-capacitor-series topology series connected diode rectifiers utilized form two energy channels opposite misalignment...

To solve the interoperability and anti-offset problems in vehicle-to-vehicle (V2V) wireless charging systems, a reconfigurable transmitter is proposed to adapt unipolar bipolar coils. By changing circuit configuration, power transmits efficiently from one EV other. The works two modes. Moreover, performance of coil improved by adding anti-series windings. system verified simulation maintain stable output under different offsets, proving its effectiveness solving offset for V2V systems.

Improved electrical characteristics of CMOS inverters composed Ge n- and p-finFETs were demonstrated by utilizing newly introduced surface treatments. <italic xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">In-situ</i> digital O <sub xmlns:xlink="http://www.w3.org/1999/xlink">3</sub> treatment in ALD chamber was adopted on the fin sidewall order to reduce roughness etching damages through GeO desorption mechanism. The effects checked AFM C-V...

As an emerging technology, wireless power transfer (WPT) has various advantages, which can be enhanced by extending the WPT system into a multi-channel one. With rapid development of electronic equipment, demand for multiple independent voltage-source outputs is increasing. In many consumer electronics and industrial applications, voltage sources with are required. This paper proposes charging constant-voltage (CV) outputs. The LCC-S (inductor capacitor capacitor-series) topology adopted to...

In two-dimensional mirrored aperture synthesis (2-D MAS), the rank of transformation matrix can affect accuracy solved cosine visibilities; therefore, it has an impact on reconstructed brightness temperature image. this article, influence deficient image 2-D MAS is discussed. An analysis rank-deficient error performed by computing its radiometric for a reference scene. Two correction methods based multiple measurements are proposed to correct error. The simulations and experiments carried...

For 1-D aperture synthesis (1-D AS) radiometers, truncated sampling occurs in the frequency domain due to system baseline limitation. Therefore, there is an obvious Gibbs oscillation reconstructed image. To solve this problem, imaging method based on a convolutional neural network CNN) proposed article. Compared with deep learning methods 2-D convolutions, convolution not only reduces amount of computation but also produces further performance improvements. The input data are visibility...

In the practical application of magnetic coupling wireless charging technology, absence direct contact between receiver and transmitter usually leads to metal objects (MOs) entering area. The strong field causes eddy current effects generates large amounts heat in MOs, which may lead serious hazards such as fires, so it is necessary detect accidental entry MOs. this paper, a novel detection coil layout suitable for electric vehicles (EVs) has been proposed, consists multiple quadrupole coils...

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