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Bulletin of Bryansk state technical university

CHARACTERISTICS COMPUTATION FOR MODERN SHOCK ISOLATORS OF ROLLING-STOCK USING APPROPRIATE SIMULATORS Characteristics computation for modern shock isolators of rolling-stock using appropriate simulators

Published in Bulletin of Bryansk state technical university · Volume 2015, Issue 4 · Pages 19–24 · Rubric: Mechanical engineering and transport
DOI: https://doi.org/10.12737/17070
Received: 29.12.2015 Accepted: 29.12.2015 Published: 29.12.2015 Language of publication: RUS
Authors
AL
Aleksey Boldyrev
VA
Vasilev Aleksey
ABSTRACT
The adequacy of a real physical object simulator is particularly significant in the problems of operation when there is a possibility for the immediate comparison and analysis of computational and actual values of model parameters. Modern absorbing devices for rollingstock automatic coupling are described thoroughly with the aid of various simulators, but the adequacy results of these simulators insufficient. In the course of investigations there were created specified simulators of modern shock isolators. The simulator parameters are identified on basis of experimental researches of fullscale samples. The experiments were carried out simultaneously with mathematical modeling and included static tests on hydraulic press PMM-250 and dynamic tests on shock tableincline BSTU-BS3. For the computation of identifiable parameters there was used a criterion function which defined the rate of divergence in an experiment and computed model on a travel and force. As a criterion function the criterion of a root-mean-square deviation of force and travel from experimental behavior was used. According to the in-vestigations carried out there were computed the characteristics of modern shock isolators, and also the adequacy of created simulators on basis of Fischer criterion was tested and verified.
KEYWORDS
shock isolators, shock absorbing devices, simulators, statistic criteria, adequacy test
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1. Boldyrev, A.P., Computation and Design of Shock Isolators for Rolling Stock/ A.P. Boldyrev, B.G. Keglin.- Mechanical Engineering-1, 2004, - pp. 199.

2. Boldyrev, A.P., Scientific Fundamentals for Updat-ing Shock Absorbing Devices of Automatic Coupl-ing: Thesis of D.Eng. / A.P. Boldyrev.- Bryansk, 2006.- pp. 360.

3. Vasiliev, A.S., Effectiveness Increase in Friction Shock Absorbing Devices of Automatic Coupling at Expense of Elastomer Stay Units: Thesis of Can.Eng. / A.S. Vasiliev.- Bryansk, 2013.- pp. 142.

4. Vasiliev, A.S., Investigation of shock absorbing de-vices with volumetric stay units / A.S. Vasiliev, E.A. Fatkov // Bulletin of Bryansk State Technical University. - 2013. - No 1.- pp. 57-62.

5. Development and investigation of friction shock isolator with elastic stay unit / A.S. Vasiliev, B.G. Keglin, A.P. Boldyrev, A.P. Shlyushenkov // Bulletin of Bryansk State Technical University. - 2012.- No 1.- pp. 25-31.

6. Boldyrev, A.P., Prospective designs of shock ab-sorbing devices for automatic coupling / A.P. Bol-dyrev, B.G. Keglin// Railway Transport.- 2005. - No 6. - pp. 41-45.

7. Boldyrev, A.P., Development and introduction of prospective shock absorbing devices of automatic coupling for freight cars / A.P. Boldyrev, B.G. Keg-lin// Heavy Engineeing. - 2005.- No 12. - pp. 20-24.

8. Vasiliev, A.S., Experimental Investigations of modern friction shock isolators for rolling-stock / A.S. Vasiliev, A.P. Boldyrev// Proceedings of Sa-mara Scientific Center of Russian Academy of Sciences. - 2013. - Vol. 15.- No 4(2). - pp. 507-510.

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Editor-in-chief  of the journal  Bulletin of Bryansk State Technical University  KHANDOZHKO ALEKSANDER VLADIMIROVICH     Aleksander Vladimirovich Khandozhko is Doctor of Engineering (2002), Associate Professor (1993), Honorary Worker of Higher Professional Education of the Russian Federation, Professor of the Department of Metal-cutting Machines and Tools at Bryansk State Technical University (BSTU). He was born in Chelyabinsk in 1958. In 1980 he graduated from Bryansk Institute of Transport Engineering (BITE) (now - Bryansk State Technical University, BSTU) with a degree in Mechanical Engineering Technology, Metal-cutting Machines and Tools. From 1980 to 1983, he worked as a manufacturing engineer at an industrial enterprise. From 1983 until now he has been working at Bryansk State Technical University, having started his career at the university as a training master. In 1985 he entered the full-time postgraduate course in BITE. In 1989 he defended the thesis for the degree of Candidate of Science in the Dissertation Council of Moscow State Aviation Technological Institute (MSATI) on the specialty Heat Engines of Aircrafts. After defending his thesis, he worked as an assistant and then as an associate professor of the department of Metal-cutting Machines and Tools at BITE. In 2000 he entered the post-doctoral program and in 2002 he defended his doctoral thesis on the specialty of Technology and Equipment of Mechanical and Physical-technical Processing. After defending his thesis, he worked as a professor of the department until 2009. In 2009 he was appointed the head of the department of Metal-cutting Machines and Tools at Bryansk State Technical University. In 2016 when the laboratory of wave deformation and combined hardening in additive and subtractive technologies was founded at BSTU, he became the head of the department of modular technological equipment, continuing his teaching work as a professor of the department of Metal-cutting Machines and Tools. Khandozhko A.V. is a member of the editorial board of the journal Science Intensive Technologies in Mechanical Engineering (Bryansk). Since 2002 he has been a member of dissertation councils of several universities; currently he is a member of three dissertation councils D999. 155. 03, D999.112.02 and D212.021.03 aa well as being the Deputy Chairman of Dissertation Council D999.155.03.   Topics of scientific research 1. Fundamental theoretical and applied issues of designing cutting tools. 2. Theory and practice of designing and manufacturing process equipment, including for additive-subtractive processes. 3. Issues of mechanical processing of materials. 4. Problems of providing product quality in mechanical processing and additive processes.
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