High-Linear Digital Hydraulic Valve Control by an Equal Coded Valve System and Novel Switching Schemes
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High-Linear Digital Hydraulic Valve Control by an Equal Coded Valve System and Novel Switching Schemes. / Paloniitty, Miika; Linjama, Matti.
julkaisussa: Proceedings of the Institution of Mechanical Engineers, Part I: Journal of Systems and Control Engineering, Vuosikerta 232, Nro 3, 2018, s. 258-269.Tutkimustuotos › › vertaisarvioitu
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TY - JOUR
T1 - High-Linear Digital Hydraulic Valve Control by an Equal Coded Valve System and Novel Switching Schemes
AU - Paloniitty, Miika
AU - Linjama, Matti
PY - 2018
Y1 - 2018
N2 - This study proposes a novel digital hydraulic valve system using multiple equal size on/off valves and a circulating switching control, with an aim to increase the resolution and the linearity of the digital hydraulic valve systems. The solution is founded on the equal coded valve system concept which represents a recent development in the digital hydraulic valve technology. The circulating switching control algorithm is used to overcome non-linearities occurring in the typical non-circulating switching control and to decrease the operating frequency of single on/off valves. As a result, a substantial improvement in tracking control performance is demonstrated with 8+8 parallel connected valves. The results verify that compact, robust and high-performance valve control can be realized.
AB - This study proposes a novel digital hydraulic valve system using multiple equal size on/off valves and a circulating switching control, with an aim to increase the resolution and the linearity of the digital hydraulic valve systems. The solution is founded on the equal coded valve system concept which represents a recent development in the digital hydraulic valve technology. The circulating switching control algorithm is used to overcome non-linearities occurring in the typical non-circulating switching control and to decrease the operating frequency of single on/off valves. As a result, a substantial improvement in tracking control performance is demonstrated with 8+8 parallel connected valves. The results verify that compact, robust and high-performance valve control can be realized.
U2 - 10.1177/0959651817750519
DO - 10.1177/0959651817750519
M3 - Article
VL - 232
SP - 258
EP - 269
JO - Proceedings of the Institution of Mechanical Engineers, Part I: Journal of Systems and Control Engineering
JF - Proceedings of the Institution of Mechanical Engineers, Part I: Journal of Systems and Control Engineering
SN - 0959-6518
IS - 3
ER -