Control of an Electrohydraulic Actuation System | Real-Time Control of an Electrohydraulic Actuation System by Experimental Characterization using Labview and Matlab

Publisher

LAP LAMBERT Academic Publishing

Publication Date

2012

Language

English

ISBN 10

3659312924

ISBN 13

9783659312922

Binding

Taschenbuch

Condition

Neu

Dimensions

Weight

233 grams

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About this title

Synopsis

Electrohydraulic systems have higher power-to-weight ratio and higher speed of response in comparison to electrical actuators. Advancement in the computational power and user-friendly re-embedding option of real-time control algorithm in Field-Programmable Gate-Array, or FPGA, architecture hold promise for the design and use of the more precise and robust nonlinear model-based controllers. Non-linear behavior of the system poses challenge to modeling and control of electro-hydraulic systems.The objective of the studies are nonlinear modeling through systematic experimental characterization of the different modules of an electrohydraulic system and their use for real-time control. The mathematical models used in overall plant are used to develop a close loop control model of the plant. An off-line nonlinear feedforward control with spring loading on the actuator piston beyond cushioning zone has been developed using these subsystem models by neglecting oil compressibility, valve dynamics and leakage.PID feedback has been used in real-time so as to take care of the unmodelled features and the modeling approximations.Simulation model developed controller is used in real-time.

About the Author

Dr.Jayanta Das,Assistant Professor,Mechanical Engineering and Mining Machinery Engineering Dept,Indian School of Mines,Dhanbad,India (Government of India) has completed PhD fom Jadavpur University,Kolkata,India.He is specialized in Fluid Power Control and Mechatronics.He is expert in Labview and Matlab software.

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