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Topic

Technologies and technical equipment for agriculture and food industry

Volume

Volume 70 / No. 2 / 2023

Pages : 593-606

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ANALYSIS OF THE DEPENDENCE OF TRACTION RESISTANCE FORCE ON FORWARD SPEED FOR TRACTOR-CULTIVATOR AGGREGATES

ANALIZA DEPENDENȚEI FORȚEI DE REZISTENȚĂ LA TRACȚIUNE DE VITEZA DE AVANS PENTRU AGREGATELE TRACTOR-CULTIVATOR

DOI : https://doi.org/10.35633/inmateh-70-57

Authors

Petru CÂRDEI

National Institute of Research – Development for Machines and Installations Designed for Agriculture and Food Industry – INMA Bucharest

Nicolae CONSTANTIN

National Institute of Research – Development for Machines and Installations Designed for Agriculture and Food Industry – INMA Bucharest

Cătălin PERSU

National Institute of Research – Development for Machines and Installations Designed for Agriculture and Food Industry – INMA Bucharest

Vergil MURARU

National Institute of Research – Development for Machines and Installations Designed for Agriculture and Food Industry – INMA Bucharest

Raluca SFIRU

National Institute of Research – Development for Machines and Installations Designed for Agriculture and Food Industry – INMA Bucharest

(*) Mihaela NIȚU

National Institute of Research – Development for Machines and Installations Designed for Agriculture and Food Industry – INMA Bucharest

(*) Corresponding authors:

[email protected] |

Mihaela NIȚU

Abstract

The article presents results generated by research on the influence of forward speed on the traction resistance force for soil processing machines. Statistical estimators are proposed to highlight the intensity of the connection between the traction resistance force and the forward speed and an optimal evaluation method of an exponent of the work speed to explain as well as possible the behaviour of the traction resistance force. It is found that the variance and the standard deviation are the statistical estimators that highlight the most intensively the connection between the traction resistance force and the forward speed.

Abstract in Romanian

Articolul prezintă rezultatele obținute în urma cercetărilor privind influența vitezei de înaintare asupra forței de rezistență la tracțiune pentru mașinile de prelucrat solul. Se propun estimatori statistici pentru a evidenția intensitatea legăturii dintre forța de rezistență la tracțiune și viteza de înaintare şi o metodă optimă de evaluare a unui exponent al vitezei de lucru pentru a explica cât mai bine comportamentul forței de rezistență la tracțiune. Se constată că varianța și abaterea standard sunt estimatorii statistici care evidențiază cel mai intens legătura dintre forța de rezistență la tracțiune și viteza de înaintare.

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