Fuzzy model for braking force maximization

• Autorzy: Djukić M. , Rusov S. , Mitrović Z. , Obradović A. , Salinić S.

Warianty tytułu

PL

Maksymalizacja siły hamowania za pomocą modelu z logiką rozmytą

• Języki publikacji: EN

Abstrakty

EN

This paper shows the process of braking force realization by air brakes with brake shoes accompanied by a suitable mechanical model. The complexity of adhesion nature as a physical phenomenon as well as the limited factors on which the braking force value depends are pointed out. According to this, the model of braking force realization based on the fuzzy set theory is explained. The procedure of fuzzy controller projecting with a task to regulate the value of kidding and by that the value of braking torque through the air pressure in the braking cylinder by maximizing the braking force that can be realized according to adhesion conditions is described. The testing of the optimization model under concrete adhesion conditions of the wheels on the rails is done at the end of the paper.

PL

W artykule opisano proces generowania siły hamującej w pneumatycznych hamulcach szczękowych za pomocą odpowiedniego modelu mechanicznego. Szczególny nacisk położono na złożoność natury adhezji jako zjawiska fizycznego oraz ograniczoność czynników, od których zależy wartość siły hamującej. W tym kontekście zbudowano model oparty na logice rozmytej jako teoretyczne narzędzie do określania siły hamowania. Opisano procedurę projektowania sterownika rozmytego, którego zadaniem jest kontrola wartości poślizgu poprzez dobór momentu hamującego wynikającego z ciśnienia w zbiorniku układu pneumatycznego oraz aktualnych warunków adhezji. Na zakończenie przeprowadzono test modelu optymalizującego siłę hamowania dla konkretnych warunków adhezji pomiędzy szyną, a kołem poruszającego się po niej pojazdu.

Słowa kluczowe

EN

railway vehicle; braking force; wheel; rail; adhesion

• Wydawca: Polskie Towarzystwo Mechaniki Teoretycznej i Stosowanej
• Czasopismo: Journal of Theoretical and Applied Mechanics
• Rocznik: 2012
• Tom: Vol. 50 nr 4
• Strony: 1037--1048
• Opis fizyczny: Bibliogr. 25 poz., rys., tab.

Twórcy

autor

Djukić M.

autor

Rusov S.

autor

Mitrović Z.

autor

Obradović A.

autor

Salinić S.

• Railways of Serbia, Belgrade, Serbia,

Bibliografia

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