Dynamic Properties of Load-Sensing Systems With Interacting Complex Mechanical Loads

[+] Author and Article Information
Birgitta Lantto, Petter Krus, Jan-Ove Palmberg

Division of Fluid Power Technology, Department of Mechanical Engineering, Linköping University, S-581 83 Linköping, Sweden

J. Dyn. Sys., Meas., Control 115(3), 525-530 (Sep 01, 1993) (6 pages) doi:10.1115/1.2899131 History: Received March 25, 1991; Revised July 01, 1992; Online March 17, 2008


A load-sensing fluid power system is a feedback system with several types of instability modes. This paper deals with one of them, where load interaction through a mechanical structure and the fluid power system may cause instability, e.g. in a lorry crane. Criteria for instability are evaluated. This paper also proposes some methods how to avoid this type of instability.

Copyright © 1993 by The American Society of Mechanical Engineers
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