Development of a power conditioning circuit for railcar energy harvesting

Guo, Tianyun; Kerley, Ross; Ha, Dong Sam

doi:10.1109/mwscas.2013.6674698

Cited by 5 publications

(9 citation statements)

References 3 publications

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“…Since the buck-boost operated at DCM [19] has a natural LFR behavior, that converter could be proposed as an impedance matching circuit. From the buck-boost input power in DCM, the expression of the converter input impedance R LFR can be easily calculated (14)…”

Section: Dcm Operated Buck-boost Convertermentioning

confidence: 99%

“…It can be easily concluded that designing a low consumption control circuit able to adjust continuously the values of duty cycle D(t) and T S (t) to fulfill simultaneously nonlinear Equation (14) and in Equation (15) is very complicated. Besides, the buck-boost converter has output voltage sign inversion, input and output pulsating currents, and, therefore, other solutions must be explored.…”

Section: Dcm Operated Buck-boost Convertermentioning

confidence: 99%

“…Impedance matching has been proposed in different works to maximize the energy transfer between the harvesting generator and the load. References [13][14][15][16][17][18] propose the use of a buck-boost power converter operating in discontinuous conduction mode (DCM) as an impedance adaptor, some of them without voltage sensors [13][14][15] because input and output adaptor voltages are quite constant; or including voltage feedback to compensate the generator voltage variations [15][16][17]. Nevertheless, none of them use a harvesting generator with a similar degree of generator voltage variation as proposed in this work.…”

Section: Introductionmentioning

confidence: 98%

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Analysis of Sliding-Mode Controlled Impedance Matching Circuits for Inductive Harvesting Devices

et al. 2019

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A sea-wave energy harvesting, articulated device is presented in this work. This hand-made, wooden device is made combining the coil windings of an array of three single transducers. Taking advantage of the sea waves sway, a linear oscillating motion is produced in each transducer generating an electric pulse. Magnetic fundamentals are used to deduce the electrical model of a single transducer, a solenoid-magnet device, and after the model of the whole harvesting array. The energy obtained is stored in a battery and is used to supply a stand-alone system pay-load, for instance a telecom relay or weather station. To maximize the harvested energy, an impedance matching circuit between the generator array and the system battery is required. Two dc-to-dc converters, a buck-boost hybrid cell and a Sepic converter are proposed as impedance adaptors. To achieve this purpose, sliding mode control laws are introduced to impose a loss free resistor behavior to the converters. Although some converters operating at discontinuous conduction mode, like the buck-boost converter, can exhibit also this loss free resistor behavior, they usually require a small input voltage variation range. By means of sliding mode control the loss free resistor behavior can be assured for any range of input voltage variation. After the theoretical analysis, several simulation and experimental results to compare both converters performance are given.

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Section: Dcm Operated Buck-boost Convertermentioning

confidence: 99%

Section: Dcm Operated Buck-boost Convertermentioning

confidence: 99%

Section: Introductionmentioning

confidence: 98%

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Analysis of Sliding-Mode Controlled Impedance Matching Circuits for Inductive Harvesting Devices

et al. 2019

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“…However, the control circuit requires external power source and duty cycle voltage to operate the comparator and MOSFET. Similarly, Dayal and Persa [23] and Guo et al [24] have utilized the AC-DC boost converter or buck-boost converter to amplify the low voltage of the microgenerator. However, the processing circuits require external DC supply to power the gate or MOSFET driver.…”

Section: An Intermittent Self-powered Energy Harvestingmentioning

confidence: 99%

An Intermittent Self-Powered Energy Harvesting System From Low-Frequency Hand Shaking

Liu

Chen

et al. 2015

IEEE Sensors J.

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This paper presents the design, fabrication, and characterization of a self-powered energy harvesting system in intermittent working mode. The system consists of an electromagnetic energy harvesting device, a self-driven power management circuit (PMC) and an electronic load. The harvesting device with nonlinear magnetic-spring configuration converts vibration energy into electrical energy from low-frequency hand shaking of human being. The PMC is able to regulate, store the generated energy, and smart control the powering of the electronic load without any external voltage supply. The self-powered energy harvesting system is constructed especially for the circumstance that the power generation is insufficient to directly power-up the load. Future potential application could be self-powered microelectronics and wireless sensor nodes. Index Terms-Self-powered energy harvesting system, low-frequency vibration, self-driven power management circuit. I. INTRODUCTION R ECENT advances in microelectronic devices with ultra-low power consumption have stimulated the growing interest of energy harvesting technology [1]-[3]. As the use of conventional batteries has a limited lifetime and may fail at inconvenient time. For example, the autonomous sensor nodes [4] used in the field of environmental monitoring or structure safety detection are numerous and extensively distributed, the replacement of batteries requires plenty of manpower and resources. Energy harvesting technology [5]-[7] could be a promising alternative for reducing the maintenance cost and chemical waste of battery. Kinetic energy is attractive for the miniature energy harvesting devices, as it exists in a variety of scenarios, such as structural or machines vibrations, and human motions [3]. The devices generate electrical power based on

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“…Such applications are of particular importance in remote areas, where there is a lack of electrical infrastructure. A related area is the harvesting of energy from train suspensions [11], but this is considered to be a more classic case of harvesting energy from steady-state vibration and is well-covered in the literature.…”

Section: Introductionmentioning

confidence: 99%

Harvesting energy from the vibration of a passing train using a single-degree-of-freedom oscillator

Gatti

Brennan

Tehrani

et al. 2016

Mechanical Systems and Signal Processing

104

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a b s t r a c tWith the advent of wireless sensors, there has been an increasing amount of research in the area of energy harvesting, particularly from vibration, to power these devices. An interesting application is the possibility of harvesting energy from the track-side vibration due to a passing train, as this energy could be used to power remote sensors mounted on the track for strutural health monitoring, for example. This paper describes a fundamental study to determine how much energy could be harvested from a passing train. Using a time history of vertical vibration measured on a sleeper, the optimum mechanical parameters of a linear energy harvesting device are determined. Numerical and analytical investigations are both carried out. It is found that the optimum amount of energy harvested per unit mass is proportional to the product of the square of the input acceleration amplitude and the square of the input duration. For the specific case studied, it was found that the maximum energy that could be harvested per unit mass of the oscillator is about 0.25 J/kg at a frequency of about 17 Hz. The damping ratio for the optimum harvester was found to be about 0.0045, and the corresponding amplitude of the relative displacement of the mass is approximately 5 mm.

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Development of a power conditioning circuit for railcar energy harvesting

Cited by 5 publications

References 3 publications

Analysis of Sliding-Mode Controlled Impedance Matching Circuits for Inductive Harvesting Devices

Analysis of Sliding-Mode Controlled Impedance Matching Circuits for Inductive Harvesting Devices

An Intermittent Self-Powered Energy Harvesting System From Low-Frequency Hand Shaking

Harvesting energy from the vibration of a passing train using a single-degree-of-freedom oscillator

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