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Wireless power transfer has been introduced as a proper replacement for conventional cable power transfer systems recently. With the developments of the electric transportation, transferring power wirelessly has been found to introduce several advantages in charging Lithium-Ion batteries. Among different configurations of wireless power transfer, Series Parallel structure is found to be more interesting...
Recently the technology of WPT (Wireless Power Transfer) has received much attention on the new charging way of electric vehicle (EV). In the combination of the WPT and EV application, one of the key points is to keep the whole system operating under the high efficiency conditions. Considering the request of battery priority, this paper proposes a strategy of the maximum efficiency point tracking...
Socially Interactive Robots (SIR) have many applications in rehabilitation, including psychological development of children with autism, children with complex neuro-developmental motor impairments, adults with dementia, etc. The animal-shaped or toy-shaped SIR should help engaging such individuals in physical and communication interaction, while any human presence during such sessions is typically...
This work proposes the use of inductive links in order to wirelessly power autonomous sensors. In order to increase the powering distance and the power efficiency, resonant tanks were considered. To drive the transmitting resonant network, a commercial class D amplifier was used. Working frequency was restricted to 150 kHz. Commercial magnetic-core coils were selected as they provide high coil values...
There is renewed interest in the use of arc suppression coils in high voltage power distribution systems. In existing distribution systems there is a widespread use of two pole mounted single phase auto-transformers connected in open-delta configuration to provide inline three phase voltage regulation. It has been shown that when this arrangement is used in a power system equipped with an arc suppression...
This paper presents a novel wireless power pick-up based on linear tuning control. The Linearly Tuned Parallel Pick-up (LTPP) is specifically designed for low power consumer electronic applications where the EMI (Electromagnetic Interference) needs to be minimized. The proposed pick-up has many advantages including smooth power regulation, ability to operate at high Q, low component count, and simple...
The scale of medium voltage networks have been expanding and cables are increasingly used so that nowadays capacitance currents are much greater than before when single line-to-ground faults happen. And the harm of an arcing ground overvoltage is extremely severe in an ungrounded system. To solve the problem put forward, the neutral of a medium voltage network is grounded with petersen coils or low...
The real time monitoring and control of resistance spot welds is a problem of critical importance in automotive and many other manufacturing industries. However, till this date, there are no reliable, low-cost, non-destructive techniques for predicting the size and strength of the weld nuggets in real time. This paper investigates the usage of voltage, current, and force data for the above tasks....
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