Abuowda, K., Noroozi, S., Dupac, M. and Godfrey, P., 2019. A dynamic model and performance analysis of a stepped rotary flow control valve. Proceedings of the Institution of Mechanical Engineers. Part I: Journal of Systems and Control Engineering, 233 (9), 1195-1208.
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Abstract
The hydraulic independent metering (IM) is an advanced actuator driving technique that allows the implementation of advanced control algorithms or methods. The main concept of IM is to control hydraulic actuators ports, which are the meterin and meter-out, separately. In this paper, a novel stepped rotary type valve has been developed for embedding in hydraulic independent metering systems, instead of conventional types such as poppet and spool. The insertion leads to developing different and novel control techniques, which require a software in loop and hardware in loop simulation of the proposed system. The paper explores the dynamic representation of this valve and defines its own performance limitations. This includes the development of a linear model comprising its two main sub-parts which are the stepper motor and the rotary orifice. Consequently, the linear timeinvariant methods are used to explore the performance of the valve by considering the effect of different parameters namely the pressure drop, friction coefficient, damping coefficient and bristle coefficient.
Item Type: | Article |
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ISSN: | 0959-6518 |
Uncontrolled Keywords: | Linear dynamic modeling, stepped rotary valve, root locus analysis, hydraulic system control, independent metering, micro-independent metering |
Group: | Faculty of Science & Technology |
ID Code: | 31590 |
Deposited By: | Symplectic RT2 |
Deposited On: | 19 Dec 2018 12:56 |
Last Modified: | 14 Mar 2022 14:14 |
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