This content is not included in
your SAE MOBILUS subscription, or you are not logged in.
Regenerative Hydraulic Topographies using High Speed Valves
Technical Paper
2009-01-2847
ISSN: 0148-7191, e-ISSN: 2688-3627
Annotation ability available
Sector:
Language:
English
Abstract
This paper presents hydraulic topographies using a network of valves to achieve better energy efficiency, reliability, and performance. The Topography with Integrated Energy Recovery (TIER) system allows the valves and actuators to reconfigure so that flow from assistive loads on actuators can be used to move actuators with resistive loads. Many variations are possible, including using multiple valves with either a single pump/motor or with multiple pump/motors. When multiple pump/motors are used, units of different displacements can be chosen such that units are controlled to minimize time operating at low displacement, thus increasing overall system efficiency. Other variations include configurations allowing open loop or closed loop pump/motors to be used, the use of fixed displacement pump/motors, or the ability to store energy in an accumulator. This paper gives a system level overview and summarizes the hydraulic systems using the TIER approach. Several application specific examples are discussed, including excavators and feller-bunchers.
Recommended Content
Aerospace Standard | Coiled Tubing - Corrosion Resistant Steel, Hydraulic Applications, Aerospace |
Ground Vehicle Standard | Hydraulic Power Pump Test Procedure |
Technical Paper | Minimizing Disturbance Detection Time in Hydraulic Systems |
Authors
Citation
Andruch, J. and Lumkes, J., "Regenerative Hydraulic Topographies using High Speed Valves," SAE Technical Paper 2009-01-2847, 2009, https://doi.org/10.4271/2009-01-2847.Also In
References
- Hu H. Zhang Q. Alleyne A. 2001 “Multi-function Realization of a Generic Programmable E/H Valve using Flexible Control Logic,” Proceedings of the Fifth International Conference on Fluid Power Transmission and Control International Academic Publishers Beijing, China 107 110
- Heybroek K. Larsson J. Palmberg J.O. 2006 Open Circuit Solution for Pump Controlled Actuators. Proceedings of 4 th FPNI PhD Symposium 27 40 Sarasota, Florida, USA
- Liu S. Yao B. 2002 Energy-saving control of single-rod hydraulic cylinders with programmable valves and improved working mode selection, theSAE Transactions - Journal of Commercial Vehicle, SAE 2002-01-1343 51 61 2002
- Shenouda A. 2006 Quasi-Static Hydraulic Control Systems and Energy Saving Potential Using Independent Metering Four-Valve Assembly Configuration. Thesis presented at Woodruff School of Mechanical Engineering
- Williamson C. Zimmerman J. Ivantysynova M. 2008 Efficiency Study of an Excavator Hydraulic System Based on Displacement-Controlled Actuators. Bath ASME Symposium on Fluid Power and Motion Control (FPMC2008) 291 307
- Andruch J. Lumkes J. 2008 “A Hydraulic System Topography with Integrated Energy Recovery and Reconfigurable Flow Paths Using High Speed Valves,” Proceedings of the 51 st National Conference on Fluid Power (NCFP) March 2008 NCFP I08-24.1 649 657
- Rampen W. Caldwell N. 2008 Fluid Power Distribution and Control System. World Patent Cooperation Treaty. Patent# WO2008009950
- Scheidl R. Manhartsgruber B. Mikota G. Winkler B. State of the Art in Hydraulic Switching Control - Components, Systems, Applications, Proc. Ninth Scandinavian International Conference on Fluid Power (SICFP’05) June 2005 Linköping, Sweden
- Scheidl R. Manhartsgruber B. Kogler H. Hydraulic Switching Control with a Nonlinear Converter, Proc. 5 th MATHMOD Vienna, February 8 10 2006 Vienna, AUSTRIA
- Kogler H. Scheidl R. 2008 Two Basic Concepts of Hydraulic Switching Converters The First Workshop on Digital Fluid Power, 3 rd October 2008 Tampere, Finland
- Bobcat “Compact Excavator Rental Condition Form.pdf” http://www.bobcat.com/trainings/rental_centers