... indicate that a considerable improvement in performance can be achieved by the implementation of this control strategy. 06 08 2009 12 02 2010 02 12 2011 02 12 2011 electrohydraulic control equipment hydraulic actuators hydrostatics pumps Hydraulic systems are commonly...

.... , Hydraulic Control Systems ( Wiley , New York , 1967 ). 27 06 2010 01 03 2011 22 11 2011 adaptive control electrohydraulic control equipment feedback friction Lyapunov methods position control robust control servomechanisms adaptive control electrohydraulic systems...

... + s β 2 δ ¯ ɛ + s β 3 Let S k : = [ σ x ¯ k y ¯ k ] T and let S * : = σ λ ¯ . 25 11 2009 22 01 2011 29 09 2011 29 09 2011 adaptive control electrohydraulic control...

... to as the electrohydraulic actuator system. 07 01 2010 02 08 2010 28 02 2011 28 02 2011 electrohydraulic control equipment filters nonlinear control systems robust control state estimation variable structure systems SMCF sliding mode control variable structure filter hydraulic...

... to that of the active suspension with optimal skyhook damper. compensation control system synthesis electrohydraulic control equipment feedback fuzzy control fuzzy set theory linear matrix inequalities minimisation nonlinear dynamical systems shock absorbers springs (mechanical) vehicle dynamics...

... of traditional design and the improved closed-loop control performance in implementation. closed loop systems electric actuators electrohydraulic control equipment feedback hydraulic actuators optimal control valves deadband describing function electrohydraulics Sandwiched deadband...

..., currently there is no mass produced fully flexible valve actuation system on the market. camshafts electric actuators electrohydraulic control equipment feedback internal combustion engines valves 2009 American Society of Mechanical Engineers ...

... electrohydraulic control equipment fault diagnosis matrix algebra A standard observer fails to estimate the states of a system when it is influenced by noise and uncertainties. Linear matrix inequality (LMI) based observers ( 1 2 ) are widely used for state estimation of uncertain and noisy systems...

... for finish turning. Experimental results of turning a variety of cam profiles show that the tracking error is less than 30 μ m for spindle speed at 300 rpm and is less than 60 μ m for spindle speed at 600 rpm or 1200 rpm . actuators camshafts electrohydraulic control equipment machine testing machine...

... and maintenance costs. 26 08 2004 24 05 2006 parameter estimation condition monitoring preventive maintenance hydrostatics hydraulic actuators electrohydraulic control equipment hydrostatic electrohydraulic actuator Condition and health monitoring is increasingly important...

.... telerobotics hydraulic actuators hydraulic systems force feedback robot dynamics bond graphs electrohydraulic control equipment 15 03 2005 19 11 2005 2006 American Society of Mechanical Engineers ...

... with piezoelectric platforms in terms of positional accuracy. Experimental results from this prototype are reported and analyzed. 09 11 2004 22 09 2005 hydraulic actuators materials handling equipment electrohydraulic control equipment design engineering In this paper we summarize...

... mechatronics flow control valves control system synthesis electrohydraulic control equipment Figure 5 shows a typical critically centered, matched, four-way directional control valve. By actuating the spool, the orifices in the valve are modulated to meter the outgoing flow ( Q...

.... 25 07 2003 15 09 2004 electrohydraulic control equipment valves damping flow instability computational fluid dynamics viscosity design engineering mechanical engineering computing Electrohydraulic Valves Unstable Valve Damping Length Steady Flow Force Viscosity Non...

... divided regions are found and examined, which are stable, unstable, and oscillatory regions. System performance relating to various controller gains and transport delay is discussed using simulation. 12 12 2003 18 06 2004 electrohydraulic control equipment stability criteria friction...

... 2004 robust control hydraulic actuators digital control controllers harmonics low-pass filters signal generators sensitivity analysis electrohydraulic control equipment Repetitive control is effective in tracking or canceling periodic signals by applying high gain feedback...

... electrohydraulic control equipment actuators robust control position control dynamics feedback closed loop systems fault tolerance McLean, D., 1990, Automatic Flight Control Systems , Prentice-Hall, Englewood Cliffs, NJ. Merritt, H. E., 1967, Hydraulic Control Systems , Wiley, New York...

... vibration control damping force control tracking dynamics electrohydraulic control equipment closed loop systems The main purpose of this paper is to demonstrate how a seemingly simple problem reformulation can greatly facilitate any well-designed control strategy for a particular class...

... 16 12 2002 vehicles optimal control MIMO systems multivariable control systems linearisation techniques electrohydraulic control equipment nonlinear dynamical systems robust control control system synthesis time-domain synthesis In general, an earthmoving vehicle’s...

... 2001 23 07 2002 servomechanisms electrohydraulic control equipment flow control pressure control nonlinear dynamical systems nonlinear control systems digital simulation control engineering computing In Eq. ( 10 ), θ j is the fluid jet angle of the vena contracta...