A new approach for control the velocity of the hydrostatic system for scissor lift with fixed displacement pump

• Autorzy: Stawinski Lukasz , Kosucki Andrzej , Morawiec Adrian , Sikora Malgorzata

Identyfikatory

DOI

10.1016/j.acme.2019.06.001

• Języki publikacji: EN

Abstrakty

EN

The article describes a new approach to the issue of controlling hydrostatic systems with fixed displacement pump using the frequency inverter and the simple controller unit. The aim of the article is to present a method of controlling the velocity of scissor lift drive to provide a constant velocity of the platform, regardless of its load, geometry and current location. The main feature of the proposed solution is the use of feedback in the quasi open loop from platform displacement sensor to the velocity control system of the electric motor. To ensure theThere is a possibility of using the proposed control system in a typical hydrostatic scissor lift, with added only an inverter, a platform displacement sensor and a controller to an existing machine. The proposed control strategy has been verified experimentally on an existing drive, and the obtained results show satisfactory mileages and very high accuracy of maintaining and shaping the platform velocity. The developed mathematical and physical models of the whole drive has been verified on the test bench. The conducted research gives information about new possibilities of using the inverter in hydrostatic systems, such as increasing efficiency, decreasing acceleration, decelerations , damping and improve the safety of the operation.

Słowa kluczowe

EN

electrohydraulic drives; speed control; scissor lift; variable transmission; variable speed pumps

PL

napęd elektrohydrauliczny; kontrola prędkości; podnośnik nożycowy; pompa

• Wydawca: Springer ; Wrocław University of Science and Technology
• Czasopismo: Archives of Civil and Mechanical Engineering
• Rocznik: 2019
• Tom: Vol. 19, no. 4
• Strony: 1104--1115
• Opis fizyczny: Bibliogr. 24 poz., fot., rys., tab., wykr.

Twórcy

autor

Stawinski Lukasz

• Lodz University of Technology, Faculty of Mechanical Engineering, Institute of Machine Tools and Production Engineering, Stefanowskiego 1/15, 90-924 Lodz, Poland

autor

Kosucki Andrzej

• Lodz University of Technology, Faculty of Mechanical Engineering, Institute of Machine Tools and Production Engineering, Stefanowskiego 1/15, 90-924 Lodz, Poland

autor

Morawiec Adrian

• Lodz University of Technology, Faculty of Mechanical Engineering, Institute of Machine Tools and Production Engineering, Stefanowskiego 1/15, 90-924 Lodz, Poland

autor

Sikora Malgorzata

• Lodz University of Technology, Faculty of Mechanical Engineering, Institute of Machine Tools and Production Engineering, Stefanowskiego 1/15, 90-924 Lodz, Poland

Bibliografia

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Uwagi

PL

Opracowanie rekordu ze środków MNiSW, umowa Nr 461252 w ramach programu "Społeczna odpowiedzialność nauki" - moduł: Popularyzacja nauki i promocja sportu (2020)