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Comparison of pressure control concepts and their use on a hydraulic press brakeLovrec, Darko ; Kastrevc, MitjaIndustrial variable electrohydraulic supply systems can be controlled at the hydraulic or the electric side. Constant speed induction motors in combination with an adjustable pump displacement volume ... or a constant displacement volume pump in combination with a variable rotational speed motor are used in order to control the flow or the pressure. The latter concept is increasingly used due to low energy loss, low noise emission and a convenient price/performance ratio. The hydraulic press brake used for castingproduct matching in the automobile industry is discussed. An exact mathematical model was made for the supply system with a constant displacement volume pump combined with a variable rotational speed motor. The numerically obtained value verified by experimental results prove that such a combination provides the same dynamic behaviour as the combination of a constant speed induction motor with an adjustable pump.Vir: Customer benefits of fluid flow : [conference proceedings = Tagungsunterlagen]. Vol. 1, Workshop, March 20th (Str. 11-22)Vrsta gradiva - prispevek na konferenciLeto - 2006Jezik - angleškiCOBISS.SI-ID - 10419734
Avtor
Lovrec, Darko |
Kastrevc, Mitja
Teme
tehnika avtomatske regulacije |
elektrohidravlični sistemi |
hidravlični pogoni |
dinamično obnašanje |
matematični model |
konstantna črpalka |
hitrostno regulirani elektromotor |
regulacija pretoka |
regulacija tlaka |
regulacija moči |
automatic control engineering |
electrohydraulic systems |
hydraulic drives |
dynamic behaviour |
mathematical model |
constant pumps |
speed controlled induction motors |
flow control |
pressure control |
power control
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Leto | Faktor vpliva | Izdaja | Kategorija | Razvrstitev | ||||
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JCR | SNIP | JCR | SNIP | JCR | SNIP | JCR | SNIP |
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Povezave do osebnih bibliografij avtorjev | Povezave do podatkov o raziskovalcih v sistemu SICRIS |
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Lovrec, Darko | 08483 |
Kastrevc, Mitja | 10475 |
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