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Authors

Polyakov B. N.

Degree
Doctor of Engineering, Professor, Head of the chair of Automation of Designing and the Engineering Drawing (until 2002), Russian State Professional-Pedagogical University
Location
Ekaterinburg
Articles

The effective method of ranging of independent variables and rejection of insignificant parameters at the multifactorial statistical analysis

The reliable criteria for independent variables ranging and insignificant parameters rejecting of the multifactorial statistical analysis are suggested and necessary validation is provided. The illustrating example description and the 30-years research experience in mechanical engineering, metallurgy and medicine statistics can be regarded as strong confirmation of the criteria efficiency.
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Internet Based Methodology for Automated Design

Modern scientific methodology for complex objects of heavy mechanical engineering automated design is introduced. The methodology incorporates the latest information technology achievements. The mathematical methods and computer techniques im¬plemented in Internet environment are formulated and ascertained.
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The analysis of numerical marks of functions of sensitivity of probability of destruction of the rolling equipment to statistical parametres load capacity and to fatigue properties

The numerical estimations of functions of sensitivity of probability of destruction from a variation of statistical parameters load capacity and fatigue properties of a material with reference to bearing details spindle connections of a drive of the rolling mill are presented, their analysis and the proved recommendations are resulted. the methodology and a complex of computer programs allow to formulate requirements to parametres of technological process, to properties of a material and manufacturing techniques of details, and also to load capacity and to the service conditions of the equipment providing their set resource.

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Optimization of kinematic parameters of four-link lever mechanisms

Modern information technologies successfully respond to many complex technical challenges of technology and mechanical systems computer-aided design providing a gradual process of parametric optimization. The article presents the mathematical formulation and the results of computer solutions of the optimization problem of kinematic parameters of four-link articulated mechanism reproducing a given trajectory of the executive management with a given error.

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