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Identification of influence of part tolerances of 1PWR-SE pump on its total efficiency taking into consideration multi-valued logic trees

Deptuła Adam, Osiński Piotr, Partyka Marian A.

Journal of Automation Mobile Robotics and Intelligent Systems

2018

Vol. 12, No. 4

28--41

This paper presents a methodology for identifying the influence of the tolerances used in model pump (TYPE 1PWR – SE) construction on the total efficiency. The identification of the sensitive control dimensions (Value/Tolerance) of examined pumps has been made by means of multi-valued logic and inductive decision trees. The innovation of the prototype unit is based on oblique gears with involute teeth, modified in the lower and upper part of the profile. The modification in the lower part was made using the so-called tooth root undercutting technique. Through the use of multivalent logic trees, the designated rank of importance of both structural and operational parameters is identified, taking into account the effect of tolerances on construction. The area is increased by cutting the oblique teeth.

Identification of influence of part tolerances of 3PWR-SE pump on its total efficiency taking into consideration multi-valued logic trees

Deptuła A., Osiński P., Partyka M.

Polish Maritime Research

2017

nr 1

47--59

This paper presents the way of identifying the influence of the tolerance of model pumps (TYPE 3PWR-SE) construction on the total efficiency. The identification of sensitive control dimensions (Value / Tolerance) of examined pumps has been made by means of the multi-valued logic and inductive decision trees. In order to confirm the obtained results, multiple-valued logic trees have been used in the paper according to algorithms for the minimization of individual logic functions. What is more, a specific monotonicity of values of the most key parameters has been determined for the investigated set of pumps having individual specification numbers.

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.