Bookm Galal
Here is a simple Simulink file to calculate the stiffness of hydraulic spring.The theory is explained in my book:M Galal Rabie, Fluid power Engineering, McGraw-Hill, NY, 2009, pp 235-237
Platforms: Matlab
License: Freeware | Size: 102.4 KB | Download (57): Hydraulic Spring Download |
The electromagnetic torque motors are widely used in electrohydraulic servovalves. They serve to convert the control current into a proportional torque. For more details about this issue, please refer to my book:M Galal Rabie, Fluid Power Engineering, McGraw-Hill, NY, May 18, 2009, pp 336-340This...
Platforms: Matlab
License: Freeware | Size: 983.04 KB | Download (40): Torque of electro magnetic torque motor Download |
This file illustrates the effect of a properly designed proportional integral controller on the performance of Electrohydraulic servoactuators. The description of construction, operation and mathematical modeling of the Electrohydraulic servoactuator and steps of design of the PI controller are...
Platforms: Matlab
License: Freeware | Size: 112.64 KB | Download (44): Electrohydraulic Servoactuator with PI Controller Download |
The electrohydraulic servovalves are mostly multi-stage. They incorporate, mostly, a first stage which serves to convert the command current into a proportional pressure difference. For more details about the steady state and transient response calculation, please refer to my book:M Galal Rabie,...
Platforms: Matlab
License: Freeware | Size: 122.88 KB | Download (46): Single Stage of Electrohydraulic Servovalve Download |
Lumped Parameter Model of Hydraulic Transmission lineHere is a lumped parameter model of a hydraulic transmission line.The line is modeled by one, two, three, four and ten lump models.The simulation program presents the transient response in addition to experimental results.The theory is...
Platforms: Matlab
License: Freeware | Size: 122.88 KB | Download (41): hydraulic transmission lines Download |
The electromagnetic torque motors are widely used in electrohydraulic servovalves. They serve to convert the control current into a proportional torque. For more details about the steady state and transient response calculation, please refer to my book:M Galal Rabie, Fluid Power Engineering,...
Platforms: Matlab
License: Freeware | Size: 81.92 KB | Download (43): Transient Response of electromagnetic torque motor Download |
Here is a lumped parameter model of a hydraulic transmission line.The line is modeled by one, two, three, four and ten lump models.The simulation program presents the transient response in addition to experimental results.The theory is explained in my book:M Galal Rabie, Fluid power Engineering,...
Platforms: Matlab
License: Freeware | Size: 133.12 KB | Download (45): Line-1-18m Download |
This file illustrates the effect of a properly designed proportional integral controller on the performance of Electrohydraulic servoactuators. The description of construction, operation and mathematical modeling of the Electrohydraulic servoactuator and steps of design of the PI controller are...
Platforms: Matlab
License: Freeware | Size: 122.88 KB | Download (42): PI Controller for Electrohydraulic Servoactuator Download |
The electrohydraulic servovalves are mostly multi-stage. They incorporate, mostly, a first stage which serves to convert the command current into a proportional pressure difference. For more details about the steady state and transient response calculation, please refer to my book:M Galal Rabie,...
Platforms: Matlab
License: Freeware | Size: 122.88 KB | Download (42): Transient Response of First Stage of Electrohydraulic Servovalve Download |
Here is a simple Simulink file to calculate the stiffness of hydraulic spring.The theory is explained in my book:M Galal Rabie, Fluid power Engineering, McGraw-Hill, NY, 2009, pp 235-237
Platforms: Matlab
License: Freeware | Size: 81.92 KB | Download (49): Hyd_Spring Download |
Electrohydraulic servoactuators provide one of the best controllers from the point of view of precision and speed of response. They are used to control wide range of mechanical parameters, such as the displacement, angular displacement, strain, force, and others. They incorporate, mostly, a...
Platforms: Matlab
License: Freeware | Size: 112.64 KB | Download (49): Transient Response of Electrohydraulic Servoactuator Download |
Here is a simple Simulink file to calculate the bulk modulus of oil-air mixture.The theory is explained in my book:Bulk Modulus of oilM Galal Rabie, Fluid power Engineering, McGraw-Hill, NY, 2009, pp
Platforms: Matlab
License: Freeware | Size: 61.44 KB | Download (48): Bulk Modulus of oil Download |
Electrohydraulic servo systems provide one of the best controllers from the point of view of precision and speed of response. They are used to control almost all hydraulic and mechanical parameters, such as the pressure, pressure difference, angular speed, displacement, angular displacement,...
Platforms: Matlab
License: Freeware | Size: 102.4 KB | Download (43): Transient Response of Two-Stage Electrohydraulic Servovalve Download |
The remarkable advance in hydraulic and electrohydraulic power systems resulted in producing control valves of very short settling time. The rapid closure of hydraulic transmission lines leads to severe pressure surge. The attached Simulink file is developed to evaluate the applicability of...
Platforms: Matlab
License: Freeware | Size: 92.16 KB | Download (48): Hydraulic Transmission Line with Accumulator Download |
The electromagnetic torque motors are widely used in electrohydraulic servovalves. They serve to convert the control current into a proportional torque. For more details about the steady state and transient response calculation, please refer to my book:Galal Rabie, Fluid Power Engineering,...
Platforms: Matlab
License: Freeware | Size: 20.48 KB | Download (44): electromagnetic torque motor Download |
Hydraulic servo actuators (HSAs) are used to precisely control displacement in a wide range of equipment. Generally, a hydraulic servo actuator consists of a hydraulic actuator controlled by a directional control valve of an infinite number of positions and equipped with a feedback arrangement....
Platforms: Matlab
License: Freeware | Size: 92.16 KB | Download (43): Hydraulic servo actuators Download |
The remarkable advance in hydraulic and electrohydraulic power systems resulted in producing control valves of very short settling time. The rapid closure of hydraulic transmission lines leads to severe pressure surge. The attached Simulink file is developed to evaluate the applicability of...
Platforms: Matlab
License: Freeware | Size: 921.6 KB | Download (47): Line_Flow_4lump_with_and_without_Acc Download |