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Terminated in academic year 2012/2013

Hydraulic and Pneumatic Mechanisms of Machines

Type of study Doctoral
Language of instruction Czech
Code 338-0920/01
Abbreviation HaPM
Course title Hydraulic and Pneumatic Mechanisms of Machines
Credits 10
Coordinating department Department of Hydromechanics and Hydraulic Equipment
Course coordinator doc. Ing. Bohuslav Pavlok, CSc.

Subject syllabus

1. Properties of fluids

1.1 Properties of working fluids
1.2 Features of compressed air

2. Hydrostatic properties of elements

2.1 Hydrostatic converters: efficiency, static characteristics,
dynamic properties
2.2 Hydrostatic converters: design, applications, management
2.3 Classic controls: one-way valves, valve, butterfly
valves, pressure valves
2.4 Proportional valves and switchgear
2.5 Servo-valves

3. Features of pneumatic components

3.1 Source of compressed air: properties, design parameters, efficiency
3.2 Pneumatic motors: design, parameters, properties, characteristics
3.3 Pneumatic controls

4. Hydrostatic systems and their management

4.1 Control of hydrostatic drives: - volume control
- variable resistor control
4.2 Energy efficient hydrostatic systems:
- Energy-efficient sources of pressure
- Load-sensing systems with open and closed center
- Secondary control of motors
4.3 Systems with pressure compensated load weights
4.4 Hydrostatic systems with accumulators
4.5 Hydrostatic systems with proportional valves and switchgear
4.6 Hydrostatic systems with built-in valves

5. Hydrostatic drives and transmissions

5.1 Kinematics and dynamics of the actuator
5.2 Energy-power heat balance
5.3 Drives mechanisms for handling massive loads
5.4 Multi-engine drives. Synchronous motors running
5.5 Hydrostatic transmissions
5.6 Actuators and servomechanisms
5.7 Combined transfers

6. Pneumatic mechanisms

6.1 Pneumatic drives and their control
6.2 Pneumatic control systems

Literature

1. Exner, H. et all. Basic Principles and Components of Fluid Technology. Lohr am Main: Rexroth A.G., 1991. 344 p. ISBN 3-8023-0266-4 .
2. GÖTZ, W. Hydraulics. Theory and Application. Ditzingen : Rexroth Bosch Group + OMEGON, 1998. 291 s. ISBN 0-7680-0242-7.

Advised literature

1. Ewald, R. et all. Proportional and Servo-valve Technology. Lohr a.M.: Bosch Rexroth, 2003. 300 p.
2. Findeisen, D.; Findeisen, F. Ölhydraulik. 4.vyd. Berlin-New York-London-
Paris : Springer-Verlag, 1994. 765 s. ISBN 3-540-54465-8.
3. NOACK, S. Hydraulics in Mobile Equipment. Ditzingen : Rexroth Bosch Group + OMEGON, 2001. 202 s. ISBN 0-7680-0886-7.