Investigation and Comparison of Separate Meter-In Separate Meter-Out Control Strategies

Henrik C. Pedersen, Torben Ole Andersen, Tobias Skoubo, Morten Jacobsen

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5 Citationer (Scopus)

Abstrakt

In the later years, there has been an increased focus on new valve types, which yield the possibility to do Separate Meter-In Separate Meter-Out (SMISMO) control. This includes both digital valves, but proportional valves with separate metering spools and build in pressure sensors are also emerging. The possibility to independently control the meter-in and meter-out side not only increase the functionality of the system, but also opens up for better performance and/or lowered energy consumption. The focus of the current paper is therefore on investigation and comparison of what may be obtained using multivariable control strategies for SMISMO control of a single axis hydraulic system with a differential cylinder, when not taking other measures to improve performance. The paper first presents an experimentally verified model of the system considered, from which a linear model is derived. Based on the model, the control strategies are discussed and severalH¥ controllers are designed, for which both simulation and experimental results are presented. The controllers are evaluated with regard to performance and robustness and compared to a simple SISO control. Based on the findings, the possibilities and limitations of the approach and the different controllers are outlined and discussed.
OriginalsprogEngelsk
TitelProceedings of the ASME/BATH 2013 Symposium on Fluid Power & Motion Control, FPMC2013
Antal sider10
ForlagAmerican Society of Mechanical Engineers
Publikationsdato2013
Sider1-10
ArtikelnummerV001T01A047
ISBN (Trykt)978-0-7918-5608-6
DOI
StatusUdgivet - 2013
BegivenhedASME/BATH 2013 Symposium on Fluid Power & Motion Control, FPMC2013 - Sarasota, Florida, USA
Varighed: 6 okt. 20139 okt. 2013

Konference

KonferenceASME/BATH 2013 Symposium on Fluid Power & Motion Control, FPMC2013
LandUSA
BySarasota, Florida
Periode06/10/201309/10/2013

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