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Retricted access

Research article

First published 2016-9

Mechanical frequency up-conversion for sub-resonance,low-frequency vibration harvesting

Bryn Edwards, Kean C Aw, Aiguo P Hu

Journal of Intelligent Material Systems and Structures

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Research article

First published 2020-8

Parametric optimization of a frequency-up-conversion piezoelectric harvester via discontinuous analysis

Saeed Onsorynezhad, Amin Abedini, Fengxia Wang

Journal of Vibration and Control

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Research article

First published 2018-8

An internal resonance based frequency up-converting energy harvester

Yipeng Wu, Hongli Ji, Jinhao Qiu [...]

Journal of Intelligent Material Systems and Structures

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Research article

First published 2021-4

Direct driven wind energy conversion system connected to load using variable frequency transformer

S Vijayalakshmi, C Anuradha, V Ganapathy [...]

International Journal of Electrical Engineering & Education

Open access

Research article

First published 2023-4

On the frequency up-conversion mechanism due to a soft stopper by the example of an electrostatic kinetic energy harvester

Andrii Sokolov, Dimitri Galayko, Philippe Basset [...]

Journal of Intelligent Material Systems and Structures

Retricted access

Research article

First published 2017-7

Piezoelectric energy reclamation based on frequency up-conversion technique for digital actuator autonomous additional functions

Linjuan Yan, Adrien Badel, Fabien Formosa [...]

Journal of Intelligent Material Systems and Structures

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Research article

First published 1988-7

EEG Frequency Analysis in Conversion and Somatoform Disorder

Miles E. Drake, Hosi Padamadan, Ann Pakalnis

Clinical EEG and Neuroscience

Open access

Research article

First published 2022-7

Study on new frequency conversion control system and power balance control method of dual-motor for shearer traction unit

Qinghua Mao, Maomao Lu, Xuhui Zhang [...]

Advances in Mechanical Engineering

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Research article

First published 1978-07

Frequency of Occurrence of Phonemes in Conversational English

M. Ardussi Mines, Barbara F. Hanson, June E. Shoup

Language and Speech

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Research article

First published 1964-4

Frequency Importance Function for Isolated Words and for Conversation of Female Talkers

Irwin Pollack, J. M. Pickett

Language and Speech

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