Research on Feedback-Linearized Sliding Mode Control of Direct-Drive Volume Control Electro-Hydraulic Servo System
نویسندگان
چکیده
In this paper, a control strategy combining the feedback linearization theory and sliding mode variable structure is proposed to solve various nonlinear factors, uncertainty of external disturbance high-precision pressure problems in Direct-Drive Volume Control (DDVC) electro-hydraulic servo system. The mathematical model DDVC system established, factors are accurately linearized by theory. compensated feedback-linearized algorithm paper verified using experimental platform. results show that, compared with classical PID control, can effectively improve output precision, as well dynamic response characteristics,
منابع مشابه
Velocity Control of Electro Hydraulic Servo System by Tracking Method
This paper proposes an efficient Tracking method for velocity control of an electro-hydraulic servo system (EHSS) in the presence of flow nonlinearities and internal friction. The tracking method controller is a kind of feedback error learning structure. In the proposed method, the Feedback Error Learning (FEL) algorithm is used to control the velocity. There is no need to compute the system ja...
متن کاملVelocity Control of Electro Hydraulic Servo System by using a Feedback Error Learning Method
In this paper, a new control method based on FEL electro hydraulic servo control withnonlinear flux and internal friction, has been presented. The new approach based oncontrollers combined by a classic PD controller and a fuzzy controller is smart. This newtechnique has a good ability to control the performance and stability. Simulations have beencarried out in Matlab environment and the result...
متن کاملSliding Mode Control with PID Sliding Surface of an Electro-hydraulic Servo System for Position Tracking Control
This paper presents the position tracking performance of an electro-hydraulic hydraulic servo (EHS) system using sliding mode control (SMC) with proportional-integral-derivative (PID) sliding surface. In modelling process, a mathematical model of the EHS system is developed by considering its nonlinearities as represented by a Lu-Gre friction model. The control strategy is derived from the deve...
متن کاملOptimized Fuzzy Sliding Mode Control to Enhance Chattering Reduction for Nonlinear Electro-Hydraulic Servo System
Variable structure control with sliding mode can provide fine control performance and robustness. However, chattering phenomenon introduced due to discontinuous switching gain limits their applications. To achieve precise tracking performance with reduced chattering effect, fuzzy sliding mode control is introduced and evolutionary simultaneous tuning of control parameters is employed. Novel evo...
متن کاملSliding Mode Control with Grey Prediction for an Electro- Hydraulic Velocity Servo System
This paper presents an improved reaching law, and a sliding mode speed controller, based on the improved reaching law and grey prediction compensator, is presented for an Electro-Hydraulic Velocity Servo System. The proposed control strategy can forecast and reject the disturbances and parameter variations. This system has a fast response and a good disturbance rejection capability. The numeric...
متن کاملذخیره در منابع من
با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید
ژورنال
عنوان ژورنال: Processes
سال: 2021
ISSN: ['2227-9717']
DOI: https://doi.org/10.3390/pr9091676