InWingSpeak · From Insect Wings to Miniature Loudspeakers - A Bionic Modelling Approach
„Хоризонт 2020“ — Действия „Мария Склодовска-Кюри“
- Период
- 2019-04-01 → 2021-09-29
- Финансиране от ЕС
- 174 167 €
- Участници
- 1
- Схема
- MSCA-IF-EF-ST
Линиите свързват координатора с партньорите.
Накратко на български
Крилетата структура на щурците и техните способности за усилване на звук се анализират чрез 3D модели и лазерни измервания. Това помага за разработването на по-ефективни, леки и миниатюрни високоговорители, вдъхновени от природата.
Кратко обяснение, генерирано от езиков модел по текста на CORDIS. Оригиналът е по-долу.
Резултати накратко
From Insect Wings to Miniature Loudspeakers - A Bionic Modelling Approach
Crickets and bush-crickets use their wings to produce a wide range of often impressively loud courtship songs to attract distant mating partners. These songs are different for each species and highly variable in “rhythm” (the temporal structure) and pitch. Many species also produce – like bats – ultrasonic songs far beyond the human hearing range. The wings of these small insects have evolved to be miniaturised and optimised resonators, analogous to the vibrating bodies of guitars or violins. Parts of the wings are specifically tuned to the animals’ song frequencies and thus enable the production and radiation of highly amplified acoustic signals. Each cricket is therefore equipped with its own miniaturised, natural loudspeakers and studying these wings has the potential to unearth unique solutions for the design of bioinspired, efficient and light-weight acoustic transducers. The goal of this project was to use bioacoustic and state-of-the-art imaging techniques to investigate the morphology, the biomechanical properties and sound-production capabilities of the wings of various cricket and bush-cricket species in detail. By combining computer tomography for the creation of three-dimensional, virtual wings and laser vibrometry that allows to explore the resonances of the real wings, computer models of the wings have been developed. As a result, InWingSpeak produced several computational models of song-producing cricket and bush-cricket wings (see Figure 1). These allowed simulating the song production process and, crucially, the virtual manipulation of wing structures. By studying the effects of changes in wing shape, thickness and material properties, the relationship between wing morphology and emerging resonances and songs was analysed. On the one hand, the resulting knowledge has given insights into the evolution of acoustic communication and insect wings as sound-producing structures. On the other hand, the results also have the potential to inspire and inform engineers in the design of biomimetic miniature loudspeakers for medical devices like hearing aids.
Текст от CORDIS, на английски · Данни: CORDIS, © Европейски съюз
Цел на проекта
Crickets and bush-crickets use their wings to produce a wide range of often impressively loud courtship songs highly variable in pitch and temporal patterns. The wings of these insects have evolved to be miniaturised and optimised resonators in order to radiate their highly amplified acoustic signals and therefore offer unique solutions for efficient, light-weight acoustic transducers.Here, I propose a novel combination of state-of-the-art bioacoustic and imaging techniques (among others, laser Doppler vibrometry and micro-computational tomography), comparative morphology and two independent but complementary mathematical modelling approaches (agent-based as well as finite element modelling) to investigate the biomechanic and bioacoustic system properties of cricket and bush-cricket wings. By applying these multidisciplinary techniques and methods to a variety of wings, I will derive mechano-acoustic system properties that will allow unravelling of the relationship between wing morphology and emerging resonance properties underlying sound production.The resulting knowledge, combined with modern modelling and simulation techniques and in silico artificial wing evolution towards desirable acoustic properties, will guide engineers in the acoustic design of innovative, biomimetic miniature loudspeakers as used in, e.g., hearing aids.Furthermore, the project results and the proposed scientific and transferable skills training will positively impact on my career development, contributing the building blocks of my future career as an independent, interdisciplinary researcher and future group leader, successfully combining bioacoustics and its evolution with bioinspired innovations for modern acoustic technologies.
Оригинален текст от CORDIS (на английски).
Участници
- UNIVERSITAET GRAZ · GrazКоординаторАвстрия
Връзки
Данни: CORDIS, © Европейски съюз