Vibration and Thermal Energy Harvesting System for Automobiles with Impedance Matching and Wake-up

Hyun, Ji Hoon; Huang, Long; Ha, Dong Sam

doi:10.1109/iscas.2018.8351419

Cited by 15 publications

(4 citation statements)

References 30 publications

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“…where L is the inductance, D is the duty cycle, and TS is the switching period of the converter. (3) shows that the input impedance of a buck-boost converter in DCM is independent of the operating conditions such as input and output voltages and load resistance. So, our circuit adopts a buck-boost converter in DCM.…”

Section: B Buck-boost Convertermentioning

confidence: 99%

A Wide Input Power Line Energy Harvesting Circuit for Wireless Sensor Nodes

Wang

2021

2021 IEEE International Symposium on Circuits and Systems (ISCAS)

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The proposed circuit aims to harvest energy from AC powerlines with a wide current ranging from 10 to 50 A. The proposed system includes a wake-up circuit and is capable of cold-start. A buck-boost converter operating in DCM is adopted for impedance matching, where the impedance is rather independent of the operation conditions. So, the proposed system can be applicable to various types of wireless sensor nodes with different internal impedances. Experimental results show that the proposed system achieves an efficiency of 80.6% under the powerline current of 50 A.

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Section: B Buck-boost Convertermentioning

confidence: 99%

A Wide Input Power Line Energy Harvesting Circuit for Wireless Sensor Nodes

Wang

2021

2021 IEEE International Symposium on Circuits and Systems (ISCAS)

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“…As the Internet of Things (IoT) continues to advance, size and weight limitations often restrict the use of larger batteries for IoT nodes. [1][2][3] To ensure the long-term stability of these nodes, researchers have focused on harnessing and converting weak environmental energy into electrical energy for storage, 4,5 making energy harvesting a prominent area of research in addressing these challenges. [6][7][8][9] Energy harvesting technology enables the conversion of ambient energy, such as vibration and light energy, into usable electrical energy through corresponding energy converters.…”

Section: Introductionmentioning

confidence: 99%

A multisource energy harvesting circuit for vibration and light energy with MPPT

Zhu,

Wang,

Qian

2024

Circuit Theory & Apps

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SummaryThe article presents a multisource energy harvesting circuit (MEHC) for vibration and light energy with maximum power point tracking (MPPT). The MEHC has a cold start capability and extracts energy from piezoelectric transducers (PZTs) and photovoltaic cells (PVs) simultaneously when the multi PZTs reach their peak open‐circuit (OC) voltage, detected by the peak voltage detector and the PV1 cell voltage exceeds the MPP voltage (MPP voltage is approximately 0.7 times the PV cell's OC voltage) during the off‐peak time of the PZTs. The experimental results indicate that the output power of the MEHC is 2.8 mW under certain conditions, and the maximum energy extraction efficiency of the PVs is about 75%. The output power of the MEHC is 4.59 times of that without PVs.

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“…The second stage consists of shaping this electrical energy to obtain an exploitable electrical energy source 2‐4 . There are various energy sources available to be recovered and converted into electricity and, indeed, much work has been presented on generators capable of generating electrical energy from mechanical vibrations, light, thermal gradients, solar energy, ambient RF, and so on 5‐8 . The existence of these sources could allow electronic devices to operate indefinitely.…”

Section: Introductionmentioning

confidence: 99%

“…[2][3][4] There are various energy sources available to be recovered and converted into electricity and, indeed, much work has been presented on generators capable of generating electrical energy from mechanical vibrations, light, thermal gradients, solar energy, ambient RF, and so on. [5][6][7][8] The existence of these sources could allow electronic devices to operate indefinitely. Unlike the energy of solar panels, which are limited by daylight and climatic conditions [4], the energy of infrared (IR) heat can be harvested 24 h a day, it is characterized by the emission of waves from a heating body causing a rise in temperature of the receiver.…”

Section: Introductionmentioning

confidence: 99%

Vivaldi dipolenano‐rectennaforIRenergy harvesting at 28.3THz

Amara

Yahyaoui

Eltresy

et al. 2020

Int J Numerical Modelling

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A Vivaldi dipole rectenna system for infrared (IR) energy harvesting is investigated. First, a parametric study on the Vivaldi dipole antenna is performed to collect the maximum electric field between the Vivaldi poles. The antenna arms were optimized to achieve a high-efficiency rectenna system. The two arms of the antenna were formed using two different metals, that is, gold and titanium. These two metals have different work functions, which facilitate the diode operation through tunneling at zero bias. The two arms of the Vivaldi dipole are overlapped, and a suitable insulator layer is injected in the overlapped area to form the metal-insulator-metal (MIM) diode. The MIM diode is an ideal candidate for this operation as it works without any bias, provided the two metals have different work functions. For rectenna operation, it is crucial that the rectifying diodes should work without any aid of external bias. The Al 2 O 3 is the insulator layer of the MIM diode. We have chosen Al 2 O 3 because it has a low dielectric constant at terahertz frequency regime, which allows us to match the operational cutoff frequency, that is, 28.3 THz. A parametric study of the Al 2 O 3 insulator layer is performed to increase the captured received intensity. At the end, the nano-antenna operates at a frequency band of [26 … 30 THz] to harvest IR energy from the environment with good efficiency and demonstrate its capacity to capture incident waves and obtain high-intensity values within its gap. It is a development that could eventually boost electricity generation.

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Vibration and Thermal Energy Harvesting System for Automobiles with Impedance Matching and Wake-up

Cited by 15 publications

References 30 publications

A Wide Input Power Line Energy Harvesting Circuit for Wireless Sensor Nodes

A Wide Input Power Line Energy Harvesting Circuit for Wireless Sensor Nodes

A multisource energy harvesting circuit for vibration and light energy with MPPT

Vivaldi dipolenano‐rectennaforIRenergy harvesting at 28.3THz

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