| Course Unit Code | 338-0323/02 |
|---|
| Number of ECTS Credits Allocated | 5 ECTS credits |
|---|
| Type of Course Unit * | Compulsory |
|---|
| Level of Course Unit * | First Cycle |
|---|
| Year of Study * | Third Year |
|---|
| Semester when the Course Unit is delivered | Summer Semester |
|---|
| Mode of Delivery | Face-to-face |
|---|
| Language of Instruction | Czech |
|---|
| Prerequisites and Co-Requisites | Course succeeds to compulsory courses of previous semester |
|---|
| Name of Lecturer(s) | Personal ID | Name |
|---|
| HRU38 | doc. Dr. Ing. Lumír Hružík |
| DVO31 | Ing. Lukáš Dvořák, Ph.D. |
| BUR262 | Ing. Adam Bureček, Ph.D. |
| POL0260 | Ing. Tomáš Polášek, Ph.D. |
| Summary |
|---|
| Study of the subject will provide knowledge from field of the diagnostics of hydraulic components and equipment with a sight on free of disassembly diagnostics. Parametric, vibrodiagnostic, tribotechnical and thermodynamic diagnostic methods of technical diagnostics are discussed. There are considered problems of reliability of hydraulic components and systems in the subject. There are described the instruments of technical diagnostics in terms of subject. Physical principles and metrological characteristics of sensors including the requirements on the sensors are given. There are described the sensors of diagnostic variables: pressure, flow, temperature, trajectory, speed, acceleration, force, moment, revolutions, noise and vibration. The basic diagnostic measurements of hydraulic and pneumatic components (hydro-generators, rotary hydro-motors, linear hydro-motors, compressors, pneumomotors, pressure valves, distributors and other flow elements) and systems are discussed. The subject also deals with operation simulation and monitoring of machines. |
| Learning Outcomes of the Course Unit |
|---|
| To acquaint students with the basic concepts of technical diagnostics and basic diagnostic methods. To acquaint students with problems of reliability of hydraulic components and equipment. To acquaint students with the sensors and measuring instruments in the technical diagnostics of hydraulic components and equipment and the problems of technical diagnostics of hydraulic components and equipment. To acquire experience in practical measurement and diagnostics of hydraulic components and equipment. To learn to work with measurement and diagnostic system M 5000 Hydrotechnik. |
| Course Contents |
|---|
1 Significance of technical diagnostics. Diagnostic parameters. Methods of technical diagnostics: parametric methods. Tribodiagnostics.
2 Methods of technical diagnostics: Vibrodiagnostics, vibroacoustic diagnostics. Thermodynamic method.
3 Reliability of hydraulic elements and equipment. Reliability evaluation. Reliability indicators R(t), F(t), f(t), lambda(t).
4 Failures and their classification. Trouble-free operation of systems. Backup. Standby and means of achieving of high standby of technical means.
5 Reliability tests. Accelerated tests with increased parameters. Accelerated cycling test. Accelerated test with artificial liquid contamination.
6 Means of technical diagnostics: distribution. Sensors of quantities: basic principles, requirements, metrological characteristics. Sensors of diagnostic quantities: pressure, flow.
7 Sensors of diagnostic quantities: temperature, trajectory, velocity, acceleration, force, torque.
8 Sensors of speed, noise and vibration. Calibration of sensors.
9 Diagnostics of hydraulic pumps, rotary and linear hydraulic motors, pressure valves, directional valves and other flow elements. Diagnostics of hydraulic systems. |
| Recommended or Required Reading |
|---|
| Required Reading: |
|---|
[1] EXNER, H. et al. Basic Principles and Components of Fluid Technology. Lohr am Main, Germany: Rexroth AG., 1991. 344 p. ISBN 3-8023-0266-4.
[2] GOLDSTEIN, R. J. Fluid Mechanics Measurements. Washington : Hemisphere Publishing Corporation. 1983. 647 p. ISBN 0-89116-244-5.
|
[1] KOPÁČEK, J. Technická diagnostika hydraulických mechanismů. Praha: SNTL, 1990. 160 s. ISBN 80-03-00308-3.
[2] JANALÍK, J. Měření tekutinových mechanismů. Ostrava : VŠB-TU Ostrava, 1995. 129 s. http://www.338.vsb.cz/PDF/Mereni_tek_mech.pdf
[3] HRUŽÍK, L. Měření veličin v hydraulice s využitím přístroje Hydrotechnik. Ostrava : VŠB-TU Ostrava, 2012. 54 s.
[4] HRUŽÍK, L. Experimentální úlohy v tekutinových mechanizmech. Ostrava: VŠB-TU Ostrava, 2008. 61 s. ISBN 978-80-248-1912-9. Dostupné na:CD-ROM, http://www.338.vsb.cz/PDF/Experimentalniulohyvtekutinovychmechanizmech.pdf.
|
| Recommended Reading: |
|---|
[1] GÖTZ, W. Hydraulics. Theory and Applications. Ditzingen, Germany: OMEGON, 1998. 291 s. ISBN 3-980-5925-3-7.
[2] HEHN, H. et al. Fluid Power Troubleshooting. New York : Marcel Dekker. 1995. 647 p. ISBN 0-8247-9275-0. |
[1] KOPÁČEK, J. Pneumatické mechanismy. Díl I. Ostrava : VŠB-TU Ostrava 1996.
267 s. ISBN 80-7078-306-0.
[2]HAVLÍČEK, J. Provozní spolehlivost strojů. Praha, SZN 1989. 656 s. ISBN 80-209-0029-2.
[3] ZIEGLER, J. Technická diagnostika výrobních zařízení. Skriptum. Ostrava: VŠB-TU Ostrava, 1992. 182 s. ISBN 80-7078-111-4.
[4] VOŠTOVÁ, V.; HELEBRANT, F.; JEŘÁBEK, K. Provoz a údržba strojů. II. část Údržba strojů. Praha: ČVUT Praha, 2002. 124 s. ISBN 80-01-02531-4.
[6] JANOUŠEK, F.; KOZÁK, J.; TARABA, O. Technická diagnostika. Praha: SNTL, 1988. 429 s.
[7] PAVLOK,B. Základní konstrukční celky. Ostrava : VŠB-TU Ostrava, 2008. 41 s. http://www.338.vsb.cz/PDF/zakladni-konstrukcni-celky.pdf
|
| Planned learning activities and teaching methods |
|---|
| Lectures, Tutorials, Experimental work in labs, Other activities |
| Assesment methods and criteria |
|---|
| Task Title | Task Type | Maximum Number of Points
(Act. for Subtasks) | Minimum Number of Points for Task Passing |
|---|
| Credit and Examination | Credit and Examination | 100 (100) | 51 |
| Credit | Credit | 35 | 18 |
| Examination | Examination | 65 | 25 |