... – 1936 . 10.1016/j.ymssp.2010.08.018 [4] Yu , J. , Chen , Z. , and Lu , Y. , 1994 , “ The Variation of Oil Effective Bulk Modulus With Pressure in Hydraulic Systems ,” ASME J. Dyn. Sys., Meas. Control , 116 ( 1 ), pp. 146 – 150 . 10.1115/1.2900669 [5] Manring , N. D...

.... 2 , the level of the electric signal provided to the actuator (the duty cycle of the PWM voltage, for the EHPV considered in this work) is an input for the EHPV model. The model reproduces also the real interaction of the valve with the generic hydraulic system where it is placed. In particular...

... are conducted to verify the circuit, and results show that the circuit has good performance. 27 05 2010 14 05 2011 06 12 2011 06 12 2011 hydraulic systems pumps stability variable structure systems Hydraulic systems are widely used in industrial applications because...

...Huayong Yang; Bin Feng; Guofang Gong Effective fluid bulk modulus has significant influence on the stiffness and dynamic performance of hydraulic systems. It is always varied with different working parameters as air content, fluid pressure, and temperature. To estimating effective bulk modulus...

... electric vehicles hydraulic systems pistons plates (structures) pumps shear modulus stress analysis torque control swash plate axial piston pump finite element analysis hydraulic regenerative braking hybrid vehicle The hydraulic regenerative braking system (HRBS) is a mechanism...

... hydraulic systems least squares approximations parameter estimation pistons valves automotive control electrohydraulic valves system identification parameter estimation least-squares Hydraulic actuators are used throughout industry in a wide number of applications. With a small size...

... actuators optimisation power transmission (mechanical) pumps solenoids valves variable speed gear vehicle dynamics continuously variable transmissions hydraulic systems pumps valves cylinders nonlinear systems modeling validation The pushbelt continuously variable transmission...

... to verify the effectiveness of the proposed method. 25 08 2008 12 11 2010 25 03 2011 25 03 2011 closed loop systems delay systems hydraulic control equipment hydraulic systems linear systems Markov processes networked control systems position control predictive control...

... function (RBF) based NNC and diagonal recurrent neural network (DRNN) nonlinear controllers. 19 02 2009 24 11 2009 16 08 2010 16 08 2010 feedback hydraulic systems neurocontrollers pumps robust control torque control neural network controller contact task...

... 07 06 2007 04 02 2009 23 03 2009 brakes construction equipment hydraulic systems machinery pneumatic systems The braking performance of a vehicle is an essential factor in safe and efficient movement, and malfunctioning brakes are the leading mechanical cause...

... of the hydraulic system is derived following the approach presented in Ref. 14 . The model of the system comprises the hydraulic cylinder in series with the servo-valve and a first-order lag model for the power amplifier. The hydraulic cylinder is modeled using the oil flow balance equation taking into account...

... examples may suffice: Easy5 and AMESim. pistons pumps tribology hydraulic systems flow simulation 14 07 2006 11 12 2006 Figure 13 collects simulation results for the three different constraints layouts addressed above (delivery pressure 200 bar, 1500 rpm...

... a previous scheme in which the coordination control approximates the hydraulic system by its kinematic behavior. This is accomplished by a novel bond graph based three step design methodology: (1) energetically invariant transformation of the system into a pair of “shape” and “locked” subsystems; (2...

... with respect to the geometry parameters and key operating conditions. All of these features make the gray-box NDANN fluid field estimator a valuable tool for hydraulic system design. Due to the leakage between the valve spool and sleeve, the flow meter indicates non-negligible flow, even when...

... of the hydraulic system model containing the transmission line being considered. 07 04 2004 18 09 2004 16 10 2004 modal analysis transfer functions state-space methods hydraulic systems flow friction For the study of hydraulic fluid transients in transmission lines, various...

... is considered. A detailed nonlinear dynamic model is developed for the hydraulic system and the loader linkage. The hydraulic model includes a load sensing pump, valves, and cylinders. The linkage model represents a two degree of freedom loader with lift and tilt functions. A linear quadratic Gaussian based...

... OF MECHANICAL ENGINEERS for publication in the ASME JOURNAL OF DYNAMIC SYSTEMS, MEASUREMENT, AND CONTROL . Manuscript received by the ASME Dynamic Systems and Control Division January 10, 2003; final revision, May 5, 2003. Associate Editor: H. M. Sardar. pumps hydraulic systems hydraulic control...

... was limited by the off-the-shelf components used. 05 March 2003 08 July 2003 12 04 2004 hydraulic systems pumps propulsion mobile robots thermodynamic properties The limitation of current power sources is one of the dominant bottlenecks preventing the more widespread...

... cm. 16 January 2002 29 May 2003 29 01 2004 reduced order systems bond graphs variable structure systems DC-DC power convertors pumps hydraulic systems switches The most common of these methods is the state-space averaged approach . Semiconductor switches...

.... excavators stability dynamics kinematics hydraulic systems bond graphs digital simulation mechanical engineering computing 02 August 2002 27 December 2002 18 09 2003 Contributed by the Dynamic Systems, Measurement, and Control Division of THE AMERICAN SOCIETY OF MECHANICAL...