Experimental Investigations Performance for (VCC) Using 2-Way (PFCV) Type (2FRE)

In modern hydraulic control systems, the trend in hydraulic power applications is to improve efficiency and performance. “Proportional valve” is generally applied to pressure, flow and directional-control valves which continuously convert a variable input signal into a smooth and proportional hydra...

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Autor principal:	Majid Ahmed Oleiwi
Formato:	article
Lenguaje:	EN
Publicado:	Al-Khwarizmi College of Engineering – University of Baghdad 2017
Materias:	PFCV VCC Experimental Investigation Chemical engineering TP155-156 Engineering (General). Civil engineering (General) TA1-2040
Acceso en línea:	https://doaj.org/article/5a63028391ae45299b8af5c908efcf6a
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spelling	oai:doaj.org-article:5a63028391ae45299b8af5c908efcf6a2021-12-02T10:53:32ZExperimental Investigations Performance for (VCC) Using 2-Way (PFCV) Type (2FRE)1818-11712312-0789https://doaj.org/article/5a63028391ae45299b8af5c908efcf6a2017-12-01T00:00:00Zhttp://alkej.uobaghdad.edu.iq/index.php/alkej/article/view/301https://doaj.org/toc/1818-1171https://doaj.org/toc/2312-0789 In modern hydraulic control systems, the trend in hydraulic power applications is to improve efficiency and performance. “Proportional valve” is generally applied to pressure, flow and directional-control valves which continuously convert a variable input signal into a smooth and proportional hydraulic output signal. It creates a variable resistance (orifice) upstream and downstream of a hydraulic actuator, and is meter in/meter out circuit and hence pressure drop, and power losses are inevitable. If velocity (position) feedback is used, flow pattern control is possible. Without aforementioned flow pattern, control is very “loose” and relies on “visual” feed back by the operator. At this point, we should examine how this valve works and how can use it in electro-hydraulic circuit designs. In this paper, constructed and compared velocity control cylinder (VCC) by using a proportional flow control valve (PFCV) and with a fine throttle valve. With the aid of a check valve and that check valve, the proportional valve can be made to act in the “lift” direction, and the fine throttle in the “lower” direction. As with all proportional valves, there is also some hysteresis in a proportional flow control valve. The valve used in this work with a hysteresis of <±1% of . The repetition accuracy is quoted in data sheet as < 1% of . The inferential results are good, acceptable and useful for designers which are working at hydraulic proportional field. Majid Ahmed OleiwiAl-Khwarizmi College of Engineering – University of BaghdadarticlePFCVVCCExperimentalInvestigationChemical engineeringTP155-156Engineering (General). Civil engineering (General)TA1-2040ENAl-Khawarizmi Engineering Journal, Vol 12, Iss 2 (2017)
institution	DOAJ
collection	DOAJ
language	EN
topic	PFCV VCC Experimental Investigation Chemical engineering TP155-156 Engineering (General). Civil engineering (General) TA1-2040
spellingShingle	PFCV VCC Experimental Investigation Chemical engineering TP155-156 Engineering (General). Civil engineering (General) TA1-2040 Majid Ahmed Oleiwi Experimental Investigations Performance for (VCC) Using 2-Way (PFCV) Type (2FRE)
description	In modern hydraulic control systems, the trend in hydraulic power applications is to improve efficiency and performance. “Proportional valve” is generally applied to pressure, flow and directional-control valves which continuously convert a variable input signal into a smooth and proportional hydraulic output signal. It creates a variable resistance (orifice) upstream and downstream of a hydraulic actuator, and is meter in/meter out circuit and hence pressure drop, and power losses are inevitable. If velocity (position) feedback is used, flow pattern control is possible. Without aforementioned flow pattern, control is very “loose” and relies on “visual” feed back by the operator. At this point, we should examine how this valve works and how can use it in electro-hydraulic circuit designs. In this paper, constructed and compared velocity control cylinder (VCC) by using a proportional flow control valve (PFCV) and with a fine throttle valve. With the aid of a check valve and that check valve, the proportional valve can be made to act in the “lift” direction, and the fine throttle in the “lower” direction. As with all proportional valves, there is also some hysteresis in a proportional flow control valve. The valve used in this work with a hysteresis of <±1% of . The repetition accuracy is quoted in data sheet as < 1% of . The inferential results are good, acceptable and useful for designers which are working at hydraulic proportional field.
format	article
author	Majid Ahmed Oleiwi
author_facet	Majid Ahmed Oleiwi
author_sort	Majid Ahmed Oleiwi
title	Experimental Investigations Performance for (VCC) Using 2-Way (PFCV) Type (2FRE)
title_short	Experimental Investigations Performance for (VCC) Using 2-Way (PFCV) Type (2FRE)
title_full	Experimental Investigations Performance for (VCC) Using 2-Way (PFCV) Type (2FRE)
title_fullStr	Experimental Investigations Performance for (VCC) Using 2-Way (PFCV) Type (2FRE)
title_full_unstemmed	Experimental Investigations Performance for (VCC) Using 2-Way (PFCV) Type (2FRE)
title_sort	experimental investigations performance for (vcc) using 2-way (pfcv) type (2fre)
publisher	Al-Khwarizmi College of Engineering – University of Baghdad
publishDate	2017
url	https://doaj.org/article/5a63028391ae45299b8af5c908efcf6a
work_keys_str_mv	AT majidahmedoleiwi experimentalinvestigationsperformanceforvccusing2waypfcvtype2fre
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Experimental Investigations Performance for (VCC) Using 2-Way (PFCV) Type (2FRE)

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