Digital Fluid Power – State of the Art

Digital fluid power technology has rapidly achieved the status of potential and serious fluid power technology. Several research branches exist each having their own strengths and challenges. Applications are also emerging. This paper summarizes the research results so far and tries to find development trends and estimate the future of digital fluid power.

[1]  William Hugh Salvin Rampen,et al.  Digital displacement hydraulic piston pump , 1992 .

[2]  Matti Linjama,et al.  Design and Implementation of Digital Hydraulic Syncronization and Force Control System , 2009 .

[3]  S. H. Salter,et al.  Modeling of Digital-Displacement Pump-Motors and Their Application as Hydraulic Drives for Nonuniform Loads , 2000 .

[4]  Gertrudis Maria Gerardus Gier For example, hydraulic cylinder for use in a hydraulic tool. , 2004 .

[5]  Raymond P. Lambeck Hydraulic Pumps and Motors: Selection and Application for Hydraulic Power Control Systems , 1983 .

[6]  Aristides Kiprakis,et al.  Efficiency and dynamic performance of Digital Displacement™ hydraulic transmission in tidal current energy converters , 2007 .

[7]  Matti Linjama,et al.  Jammed on/off Valve Fault Compensation with Distributed Digital Valve System , 2009 .

[8]  Matti Linjama,et al.  Improved Digital Hydraulic Tracking Control of Water Hydraulic Cylinder Drive , 2005 .

[9]  Carlo Ferraresi A new PCM-PWM combined technique for pneumatic flow-regulating valves , 1994 .

[10]  Hironao Yamada,et al.  Digital Control of Electrohydraulic Servo System Operated by Differential Pulse Width Modulation , 1993 .

[11]  A. Laamanen Minimization of state transition uncertainty in the digital valve system , 2009 .

[12]  M. Linjama,et al.  Improving resolution of digital hydraulic valve system by utilizing fast switching valves , 2010 .

[13]  R Scheidl,et al.  The role of resonance in elementary hydraulic switching control , 2003 .

[14]  Matti Linjama,et al.  Accurate Trajectory Tracking Control of Water Hydraulic Cylinder with Non-Ideal on/off Valves , 2003 .

[15]  Hironao Yamada,et al.  A Precision Driving System Composed of a Hydraulic Cylinder and High-Speed on/off Valves , 2001 .

[16]  Matti Linjama,et al.  DIGITAL HYDRAULIC POWER MANAGEMENT SYSTEM – TOWARDS LOSSLESS HYDRAULICS , 2012 .

[17]  B. Pugh The hydraulic age: Public power supplies before electricity , 1980 .

[18]  M. Linjama,et al.  PSEUDO-PROPORTIONAL POSITION CONTROL OF WATER HYDRAULIC CYLINDER USING ON/OFF VALVES , 2002 .

[19]  Matti Linjama,et al.  VELOCITY CONTROL OF WATER HYDRAULIC MOTOR , 2002 .