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Technical Diagnostics and Reliability of Hydraulic Mechanisms

Type of study Bachelor
Language of instruction Czech
Code 338-0323/02
Abbreviation TDaSHM
Course title Technical Diagnostics and Reliability of Hydraulic Mechanisms
Credits 5
Coordinating department Department of Hydromechanics and Hydraulic Equipment
Course coordinator doc. Dr. Ing. Lumír Hružík

Subject syllabus

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.

Literature

[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.

Advised literature

[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.