Analysis and Design of Minigenerator

Fiala, Pavel; Jirku, Tomas

doi:10.2529/piers080114110540

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2010

2023

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Cited by 5 publications

(2 citation statements)

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“…3,4 Vibrational energy (generated in the environment, e.g., by passing trucks) moves the magnetic core of the microgenerator, and a converter transforms the resulting voltage into electricity for further processing. 3 High microgenerator efficiency 5 is based on operation in an acceptable resonance band (between 17 and 34Hz). When outside vibrations fall within this range, the generator is able to produce power.…”

mentioning

confidence: 99%

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Novel vibrational and solar energy harvesters

Fiala¹

2011

SPIE Newsroom

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mentioning

confidence: 99%

“…Our device is optimized to yield a power output (P out ) of 20mW. 5 Figures 2 and 3 present its root mean square potential energy (U rms ), P out , and root mean square current (I rms ) as a function of amplitude and vibration frequency, respectively.…”

mentioning

confidence: 99%

Novel vibrational and solar energy harvesters

Fiala¹

2011

SPIE Newsroom

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Magnetic resonant harvesters and power management circuit for magnetic resonant harvesters

Jirku

Fiala

Kluge³

2010

Microsyst Technol

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This paper deals with the design of a vibration minigenerator and its power management electronics. The minigenerator is used as the independent energy source for wireless temperature sensors in NH-90 helicopters. The power management electronics is useful for this purpose as there exists interdependence between the generator output voltage instability and the helicopter vibrations instability.In this respect, it should also be proper to mention the necessity of applying the battery. Further, the presented article provides a description of two principles of the management electronics, namely the power factor corrector and the simple energy storage with a DC/DC regulator. It has been experimentally confirmed the minigenerator together with the electronics can save up to 52% battery energy according to the flight options with the used devices. Using the more efficient generator and electronics it should be up to 100% of the battery energy.

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