1. Application of hydrostatic drives and transmissions in mobile working machines. Specific requirements for hydraulic mobile machines (excavators, loaders, dozers, road machinery, building machines), etc.
2. Mobile machine drive. Drive structure. Internal combustion engine: design, control, characteristics.
3. Torque characteristics of drives and working mechanisms. Operating point of drive. Starting of the drive.
4. Hydrostatic transmission. Control of the hydrostatic transmission. Characteristics of the hydrostatic transmission. Problems of filtration and cooling.
5. Multi-motor drives of mobile machines. Implementation of differential functions with parallel motors. Control of driving direction. Mechanic and electro-hydraulic power steering.
6. Hydrostatic drive of upper construction of mobile machinery. Proportional valves for mobile equipment. Compensation of load with pressure weights.
7. Energy-saving drives. Load-sensing systems with open center and closed center.
8. Hydraulic presses. Drives with accumulator. Applications in presses.
9. Electro-hydraulic actuators of robots and manipulators. Speed and positional servodrives in robots, manipulators, machine tools, aircraft, military equipment.
10. Synchronous operation of two or more motors. Application: waterworks, stage equipment, lifting equipment.
11. Hydraulics in the mines. Specific requirements for emulsion and water hydraulics.
12. Hydraulics in steelworks. Electro-hydraulic automatic gauge control on rolling mills.
13. Hydraulics in cars: hydraulic brake, hydraulic transmissions, hydraulic shock absorbers, anti-slip ABS systems.
14. Hydraulic equipment operating in potentially explosive atmospheres. Intrinsically safe controls and drives.
Syllabus of practicals:
1. Repetition: Graphical symbols for hydraulic components. Basic hydraulic circuits.
2. Properties of hydraulic circuits working fluids: viscosity, compressibility. Choice of working fluid.
3. Design and calculation of the hydraulic circuit with consideration of pressure losses and efficiency.
4. Torque characteristics of actuators, mechanisms, choice of working point.
5. Design and calculation of the hydrostatic transmission.
6. Multi motor drives. Synchronous operation of two or more motors.
7. Program No. 1: Design of driving mechanisms of mobile machines.
8. Program No. 2: Design of hydrostatic drive of upper construction of mobile machinery.
9. Energy-efficient regulatory system with LS oil delivering. Design, calculation.
10. Energy-efficient regulatory system with LS system oil delivering.
11. Program No. 3: Hydrostatic drive with accumulators.
12. Circuit design with built-in valves.
13. The dynamics of hydraulic drive system - the machine.
14. Position servo control for rolling mill quarto. Credit.
2. Mobile machine drive. Drive structure. Internal combustion engine: design, control, characteristics.
3. Torque characteristics of drives and working mechanisms. Operating point of drive. Starting of the drive.
4. Hydrostatic transmission. Control of the hydrostatic transmission. Characteristics of the hydrostatic transmission. Problems of filtration and cooling.
5. Multi-motor drives of mobile machines. Implementation of differential functions with parallel motors. Control of driving direction. Mechanic and electro-hydraulic power steering.
6. Hydrostatic drive of upper construction of mobile machinery. Proportional valves for mobile equipment. Compensation of load with pressure weights.
7. Energy-saving drives. Load-sensing systems with open center and closed center.
8. Hydraulic presses. Drives with accumulator. Applications in presses.
9. Electro-hydraulic actuators of robots and manipulators. Speed and positional servodrives in robots, manipulators, machine tools, aircraft, military equipment.
10. Synchronous operation of two or more motors. Application: waterworks, stage equipment, lifting equipment.
11. Hydraulics in the mines. Specific requirements for emulsion and water hydraulics.
12. Hydraulics in steelworks. Electro-hydraulic automatic gauge control on rolling mills.
13. Hydraulics in cars: hydraulic brake, hydraulic transmissions, hydraulic shock absorbers, anti-slip ABS systems.
14. Hydraulic equipment operating in potentially explosive atmospheres. Intrinsically safe controls and drives.
Syllabus of practicals:
1. Repetition: Graphical symbols for hydraulic components. Basic hydraulic circuits.
2. Properties of hydraulic circuits working fluids: viscosity, compressibility. Choice of working fluid.
3. Design and calculation of the hydraulic circuit with consideration of pressure losses and efficiency.
4. Torque characteristics of actuators, mechanisms, choice of working point.
5. Design and calculation of the hydrostatic transmission.
6. Multi motor drives. Synchronous operation of two or more motors.
7. Program No. 1: Design of driving mechanisms of mobile machines.
8. Program No. 2: Design of hydrostatic drive of upper construction of mobile machinery.
9. Energy-efficient regulatory system with LS oil delivering. Design, calculation.
10. Energy-efficient regulatory system with LS system oil delivering.
11. Program No. 3: Hydrostatic drive with accumulators.
12. Circuit design with built-in valves.
13. The dynamics of hydraulic drive system - the machine.
14. Position servo control for rolling mill quarto. Credit.