Biological product testing using mechanical response

Kód výsledku v IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F00216305%3A26220%2F03%3APU36716" target="_blank" >RIV/00216305:26220/03:PU36716 - isvavai.cz</a>

Výsledek na webu

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DOI - Digital Object Identifier

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Jazyk výsledku

angličtina

Název v původním jazyce

Biological product testing using mechanical response

Popis výsledku v původním jazyce

Utility value of fruit can be judged by sensual perception or by standard mechanical-analytical scoring methods that are usually destructive and non-reproducible. Better objectivity may be reached by non-destructive methods, which are not familiarly known and used yet, mostly because of their sophistication and expensiveness. This topic is observed since 1968 in foreign literature. By our information, nobody was dealing with these problems in the Czech Republic. Thus, we decided to check these new treends and try to find our own optimal measuring method applicable in the area of investigation as well as processing of agricultural product. Typical example is impulse-response technique. This method uses determination of the resonance frequency of the fruit, which is obtained by excitation of the fruit (e.g. by stroke) and calculation of Fourier transformation of resulting signal. It is possible to determine the so-called stiffness factor S from the resonance frequency as follows, [1]: S=

Název v anglickém jazyce

Biological product testing using mechanical response

Popis výsledku anglicky

Utility value of fruit can be judged by sensual perception or by standard mechanical-analytical scoring methods that are usually destructive and non-reproducible. Better objectivity may be reached by non-destructive methods, which are not familiarly known and used yet, mostly because of their sophistication and expensiveness. This topic is observed since 1968 in foreign literature. By our information, nobody was dealing with these problems in the Czech Republic. Thus, we decided to check these new treends and try to find our own optimal measuring method applicable in the area of investigation as well as processing of agricultural product. Typical example is impulse-response technique. This method uses determination of the resonance frequency of the fruit, which is obtained by excitation of the fruit (e.g. by stroke) and calculation of Fourier transformation of resulting signal. It is possible to determine the so-called stiffness factor S from the resonance frequency as follows, [1]: S=

Druh

D - Stať ve sborníku

CEP obor

BI - Akustika a kmity

OECD FORD obor

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Projekt

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Návaznosti

Z - Vyzkumny zamer (s odkazem do CEZ)

Rok uplatnění

2003

Kód důvěrnosti údajů

S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Název statě ve sborníku

TEST 2003 Proceedings

ISBN

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ISSN

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e-ISSN

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Počet stran výsledku

5

Strana od-do

203-207

Název nakladatele

AMA Service GmbH

Místo vydání

Wunstorf, SRN

Místo konání akce

Norimberk

Datum konání akce

13. 5. 2003

Typ akce podle státní příslušnosti

EUR - Evropská akce

Kód UT WoS článku

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