• No results found

hydraulic servo control system

Simulation Studies of CMAC PID Combined Control for Electro hydraulic Position Servo System

Simulation Studies of CMAC PID Combined Control for Electro hydraulic Position Servo System

... electro-hydraulic servo system is taken as control object, the control strategy combining CMAC network with the PID controller is ...dynamic control is realized using CMAC ...

5

Structure Specified Optimal Robust H∞ Loop Shaping Control of Multivariable Electro-Hydraulic Servo System using GA and PSO

Structure Specified Optimal Robust H∞ Loop Shaping Control of Multivariable Electro-Hydraulic Servo System using GA and PSO

... shaping control is proposed in this ...electro-hydraulic servo system show that the proposed controller has quite simpler structure and less order than that of the conventional Η ∞ loop ...

8

Modeling and Identification of the Hydraulic Servo Drive

Modeling and Identification of the Hydraulic Servo Drive

... real system and estimate unknown parameters of an object model, experimental data is ...of system inputs, and such an interaction is not always possible in practice ...of control systems is adaptive ...

5

An Active Disturbance Rejection Control Solution for Electro-Hydraulic Servo Systems

An Active Disturbance Rejection Control Solution for Electro-Hydraulic Servo Systems

... ideal system whose plant model and disturbance model are known exactly, there is no need of ...practical system with disturbance cancellation, feedback should not play a major role but do little correction ...

68

Design and Simulation of Aircraft Landing Gear Retraction Hydraulic Servo System

Design and Simulation of Aircraft Landing Gear Retraction Hydraulic Servo System

... by hydraulic cylinders. Traditionally these hydraulic systems do not include ...a servo valve are attached to the actuator to control the ...Feedback control with an integrator is ...

5

An Intelligent Electro-Hydraulic Servo Drive Positioning

An Intelligent Electro-Hydraulic Servo Drive Positioning

... desired control rules for the ...traditional control system and formalizes the designer’s “expert knowledge” of what control output should result from a given combination of system ...

11

Modeling and control of industrial servo pneumatic actuator system

Modeling and control of industrial servo pneumatic actuator system

... automation control many different type of force actuators namely electromagnetic motors, hydraulic systems and recently due to the development of control engineering and existence of low-cost and ...

19

Novel Method for Performance Degradation Assessment and Prediction of Hydraulic Servo System

Novel Method for Performance Degradation Assessment and Prediction of Hydraulic Servo System

... Hydraulic servo systems have become widely used in automatic control and power transmission systems due to their advantages on large driving force and rapid ...subsystem, hydraulic ...

12

Automation of Servo Hydraulic Press by Using PLC with Pilz Safety Relay

Automation of Servo Hydraulic Press by Using PLC with Pilz Safety Relay

... the hydraulic press in industry and another concern as the flexibility, which means easily changing the process regarding with the consumer ...existing control method rewiring required for any modification ...

8

An Energy-Saving Control Strategy with Load Sensing for Electro-Hydraulic Servo Systems

An Energy-Saving Control Strategy with Load Sensing for Electro-Hydraulic Servo Systems

... electro-hydraulic servo system (EHSS) usually demonstrates a lower efficiency in comparison to other available actuation ...energy-saving control strategy based on a load-sensing structure is ...

8

Bond Graph Analyses on the Hydraulic Drive System of S DOF Swing Mechanism System

Bond Graph Analyses on the Hydraulic Drive System of S DOF Swing Mechanism System

... different hydraulic cylinders’ movement in a certain swing ...the servo valve into two hydraulic cylinders are different, and the flow through the servo valve has a large ...valve ...

7

Force control for electro-hydraulic servo actuator
used for a humanoid robotic arm

Force control for electro-hydraulic servo actuator used for a humanoid robotic arm

... of hydraulic actuated systems makes it very difficult for such type of control, due to the highly non-linear dynamics of such ...actuator control a major point of ...force control deficiencies ...

10

Identification and Design of Closed loop Hydraulic system with 4/3 Servo valve.

Identification and Design of Closed loop Hydraulic system with 4/3 Servo valve.

... Hydraulic servo systems provide larger driving force as well as torque and higher speed of response with faster ...electrohydraulic servo system. Here, the electrohydraulic servo ...

6

1.
													Finite element analysis and optimization of electro hydraulic servo valve

1. Finite element analysis and optimization of electro hydraulic servo valve

... power control developed with increasing the quantities or parameters like mass, power, high speed and greater ...fire control, machine tools, and in flight control it need to achieve the and faster ...

7

Research on the Position-Pressure Master-Slave Control for a Rolling Shear Hydraulic Servo System

Research on the Position-Pressure Master-Slave Control for a Rolling Shear Hydraulic Servo System

... Hydraulic rolling shear cuts off the steel plates with two cylinders moving harmonically along the given curve; the process is shown in Fig. 2. First, the left cylinder moves (shown as Fig. 2a). Then, when it ...

8

Online Full Text

Online Full Text

... Electro-hydraulic servo systems are well known. Electro-hydraulic actuator is an attractive choice for being used in both industrial and non-industrial applications because of the following fast ...

5

Design of an AC Servo Controller for a Dynamic Simulation Test System for Hydraulic Excavators Based on a System-on-chip Architecture

Design of an AC Servo Controller for a Dynamic Simulation Test System for Hydraulic Excavators Based on a System-on-chip Architecture

... test system for a hydraulic excavator, which is a closed loop system whose core is the AC servo ...AC servo motor) of the 6 degree of freedom motion platform are controlled by 6 AC ...

12

Development of Differential Pressure filtering System for Servo-Hydraulic Random Sea Wave Generators

Development of Differential Pressure filtering System for Servo-Hydraulic Random Sea Wave Generators

... sensitive servo-hydraulic components such as Servo- Valve or Pumps, malfunctioning of the system and components, or catastrophic failures are the invited ...all hydraulic system ...

8

Servo control system of electric cylinder based on feed forward prediction

Servo control system of electric cylinder based on feed forward prediction

... include hydraulic drive, motor drive, pneumatic drive and electric cylinder drive, ...maintaining hydraulic system and manufacturing ...pneumatic system are low in the pneumatic ...cylinder ...

7

Design of Automatic 70T Oil Quenching Hydraulic Machine

Design of Automatic 70T Oil Quenching Hydraulic Machine

... The servo motor has a specific encoder to provide position and speed feedback to the ...to control the motor ...PID control algorithm, allow the servomotor to be brought to its commanded position ...

7

Show all 10000 documents...

Related subjects