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384973

THE STATIC AND DYNAMIC PERFORMANCE OF FLUID POWER SERVO CONTROL SYSTEM UNDER VARIATION OF HYDRAULIC ACTUATORS (CYLINDERS) DESIGN

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Last updated: 25 Dec 2024

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Abstract

The fluid power control systems are primarily applied in automated systems such as production systems, flight simulation, robotics, ships and electromagnetic marine engineering, injection molding equipment. In this paper, we investigated the fluid power control system performance by variations of designed hydraulic actuators (cylinders). The system has been designed to offer linear hydraulic displacement with controlled speed for different values of operating variables; supply pressure; ps, spring stiffness; K, load; W, with constant oil temperature; T = 30 OC and variability for hydraulic actuators (cylinders) connected to the electrohydraulic servo control valve (SV). The comparison of system flow rate, supply pressure, stroke period and dynamics was investigated. It was found that, when connected to a single-rod hydraulic cylinder, the system exhibits a higher flow rate during the forward stroke compared to the backward stroke. Conversely, a double-rod cylinder achieves a higher flow rate than a single-rod cylinder during backward movement. The actual supply pressure improves in the case of connecting the single rod hydraulic cylinder in forward stroke is higher than on the backward stroke. While the double rod cylinder achieves higher actual supply pressure than the single rod cylinder in backward movement. The frequency of piston displacement decreases with connecting a single rod cylinder in forward stroke (Cy.2*) more than with other cylinders. For example, at ps = 50 bar and full stroke the frequencies are 0.093458 and 0.068027 Hz for the double rod cylinder and the single rod cylinder respectively. The bandwidth frequency is higher by 37.34 %. 

DOI

10.21608/jest.2024.322187.1100

Keywords

hydraulic cylinder, Fluid power, servo valve, Hydraulic system, Hydraulic actuator

Authors

First Name

A. I.

Last Name

Qassim

MiddleName

-

Affiliation

Department of Production Engineering and Design Faculty of Engineering, Minia University, Minia, Egypt.

Email

a.iqassim@yahoo.com

City

-

Orcid

0009-0008-2165-5504

First Name

Tahany W.

Last Name

Sadak

MiddleName

-

Affiliation

Department of Mechanical Engineering Faculty of Engineering, Beni-Suef University, Beni-Suef, Egypt.

Email

tahany@eng.bsu.edu.eg

City

Minia

Orcid

-

First Name

Mahassen

Last Name

Rizk

MiddleName

-

Affiliation

Department of Production Engineering and Design Faculty of Engineering, Minia University, Minia, Egypt.

Email

mahassenri@yahoo.com

City

-

Orcid

-

Volume

21

Article Issue

4

Related Issue

50878

Issue Date

2024-10-01

Receive Date

2024-09-19

Publish Date

2024-10-01

Page Start

93

Page End

108

Print ISSN

2090-5882

Online ISSN

2090-5955

Article File

JEST_Volume 21_Issue 4_Pages 93-108.pdf

PDF . 893.5kB

Link

https://jest.journals.ekb.eg/article_384973.html

Detail API

https://jest.journals.ekb.eg/service?article_code=384973

Order

384,973

Type

Original Article

Type Code

1,211

Publication Type

Journal

Publication Title

Journal of the Egyptian Society of Tribology

Publication Link

https://jest.journals.ekb.eg/

MainTitle

THE STATIC AND DYNAMIC PERFORMANCE OF FLUID POWER SERVO CONTROL SYSTEM UNDER VARIATION OF HYDRAULIC ACTUATORS (CYLINDERS) DESIGN

Details

Type

Article

Created At

25 Dec 2024