OBJECT MODEL USE FOR LOCOMOTIVE TRACTION DRIVE DESIGN

Abstract

The paper reports the consideration of the problem in choice and use of the locomotive traction drive design procedure giving possibilities both in properties and parts modeling, and in the automated identification of design solutions of latter. The object model of a design solution as a structure including the totality of object descriptions allowing the synthesis of engineering solution models as a multitude of interrelated elements described in the libraries of well-known designs. The method differs from the earlier ones in which the creation of new solutions is stipulated by the definition of a prototype and then by its development in accordance with the tendencies revealed empirically. In the method developed the synthesis of a design object model is based on engineering system classifications. The integrated object model of a traction drive involves two parts: first, the multitude hierarchy of the traction drive description for different methods of an engineering solution schematization, secondly, a library which has descriptions of standard objects in the form of a hierarchal structure of functional interaction between elements (I-graph). The search of similar objects in the library takes place at the level of the definition of drive functional elements with the aid of the matrices of similarity measures. There are given offers for the increase of reliability and loading capacity of a rubber-cord clutch of a locomotive traction drive. There are obtained three patents for utility models and an invention patent on the solutions offered.