Practical parallel position-force controller for electro-hydraulic servo drive using on-line identification

Woś, P.; Dindorf, R.

doi:10.1007/s40435-014-0092-7

Cited by 11 publications

(11 citation statements)

References 4 publications

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“…The position and force control of the EHSS based on adaptive methods have been discussed in Wos and Dindorf (2016). Furthermore, the parametric modeling of auto-regressive moving-average (ARMA) is used in Wos and Dindorf (2016). The controls of force and position have been carried out as two separate controllers.…”

Section: Introductionmentioning

confidence: 99%

Model predictive force control of hardware implementation for electro-hydraulic servo system

Essa¹,

Aboelela

Hassan

et al. 2018

Transactions of the Institute of Measurement and Control

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This manuscript introduces the application of Model Predictive Control (MPC) for high force control precision in a real industrial electro-hydraulic servo system (EHSS). Moreover, it presents a fractional order control (FOC) and conventional controllers (CC) based on genetic algorithm (GA). The GA technique has been used to tune the parameters of FOC and CC approach. In order to verify the ability of the proposed controller applied to the hydraulic press machines emulator using EHSS, a hardware implementation of a test press system is also suggested and setup to be used in this research. As a result, the study has been investigated using a simulation model then verified via the experimental implementation. In fact, the EHSS plays an important role in many industrial applications, especially in flight simulators, aircraft landing gear system, material testing machine and hydraulic press machines for which the high accuracy and fast response of the force or pressure control are exceedingly necessary. Real-time experiments on the EHSS are carried out to evaluate the proposed control approach in a large system parameters variation of working environments. Considerable improvement in the performance generated by the designed MPC controller is compared with the traditional and fractional order controllers. Moreover, the results show that the performance criteria in terms of settling, rise times, system overshoots, system parameters variation and applying different test signals are good values in case of applying MPC over using FOC and CC in this study. As a general conclusion, one can conclude that the MPC has the priority of applying it in the field of the industrial EHSS. The obtained results are promising in the field of mechatronic.

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Section: Introductionmentioning

confidence: 99%

Model predictive force control of hardware implementation for electro-hydraulic servo system

Essa¹,

Aboelela

Hassan

et al. 2018

Transactions of the Institute of Measurement and Control

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“…All control method using feedback from force must take into account the dynamic dependence between the position and reaction force. So the force control is integrally linked with position control (Wos and Dindorf, 2016). At the same time control method must ensure stable behavior of the system for changing the size of loading forces.…”

Section: Introductionmentioning

confidence: 99%

Admittance control of an electro-hydraulic servo-drive

2018

Engineering Mechanics

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The article describes the possibilities of electro-hydraulic servo-drive control in the admittance system. The principle of admittance control is presented and a method for implementing this kind of control for the servo drive controller has been proposed. Admittance method can be effective when there is a need for exerting precise force. This kind of measure extends the capabilities of control systems which uses only measurement of the displacement.

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“…This was recently accomplished by , in which two parallel hybrid control diagrams were built in order to create a force/position control, with the adaptive controllers considered with variables gains. The position controller is a proportional derivative controller.…”

Section: Introductionmentioning

confidence: 99%

Real‐time hybrid control of electrohydraulic active suspension

Shaer

Kenné

Kaddissi

et al. 2017

Intl J Robust & Nonlinear

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Summary Electrohydraulic actuators are an attractive choice for active suspension, because these systems provide a high power‐to‐weight ratio. However, their dynamics are highly nonlinear. In addition, the use of one simple controller for both position and force is complicated, because there is a compromise between them in the case of active suspension. Most existing controllers do not efficiently fulfill the requirements, because only one state variable is considered. In this paper, we address these problems by developing a new hybrid controller for both position and force and implementing it in a real‐time test bench. Our goal is to control the vertical position of the passenger seat while tracking the force transmitted to passengers and keeping it within tolerable and comfortable limits. Therefore, the proposed controller is a combination of two controllers. Its flexible structure redirects the control signal to control the proper controlled state variable. The real‐time results of the newly designed hybrid controller are compared with those obtained using a classical proportional integral derivative controller, because this is the most widely used controller in the industry. As expected, the proposed controller demonstrates better performance in real‐time operation. Copyright © 2017 John Wiley & Sons, Ltd.

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Practical parallel position-force controller for electro-hydraulic servo drive using on-line identification

Cited by 11 publications

References 4 publications

Model predictive force control of hardware implementation for electro-hydraulic servo system

Model predictive force control of hardware implementation for electro-hydraulic servo system

Admittance control of an electro-hydraulic servo-drive

Real‐time hybrid control of electrohydraulic active suspension

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