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Discrete optimization of a gear pump after tooth root undercutting by means of multi-valued logic trees

Osiński P., Deptuła A., Partyka M. A.

Archives of Civil and Mechanical Engineering

2013

Vol. 13, no. 4

422--431

The choice of exploitation parameters for a given pump construction decides about its maximum efficiency. It is possible to adopt a mono-criterion or a multi-criteria approach in order to optimize the pump efficiency. The optimization process requires calculating volumetric efficiency, hydraulic and mechanical efficiency and total efficiency. The application of discrete optimization logical methods to analyze the degree of importance of construction and/or exploitation parameters of a gear pump after tooth root undercutting is presented in this study.

Separate logical analysis of design guidelines in the machine systems modelling

Deptuła A., Partyka M. A.

International Journal of Applied Mechanics and Engineering

2012

Vol. 17, no. 3

779-790

The work of overflow machines is most often based on two states: the transient state (the values of the system functions change in time) and the set state (the function values do not undergo changes in time or these changes occur from time to time). The main problem of dynamics is to specify the stability of the system layout and then, the real system. The analysis of the stability can be considered from the point of view of stability of an element or the stability of the whole system. During the process of changing the values of construction and/or exploitation parameters are stable. Paper includes examples of applying the Quine-McCluskey algorithm in separate minimization of certain canonical products in the overflow valve modeling in view of stability of single exploitation elements.