... responses demonstrate good agreement. hydraulic systems pressure control electrohydraulic solenoid valve dual clutch transmission Hydraulic control systems developed for clutch actuation in dual clutch transmissions require precise pressure control and rapid response to control demands...

... 2010 20 09 2011 30 12 2011 30 12 2011 eddy currents finite element analysis fluid dynamics hydraulic systems nonlinear equations valves electrohydraulic proportional valve proportional electromagnet finite element analysis eddy current PWM linear model...

... 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...

..., the required control force and torque increase almost linearly. However, the change of the plate angle was found to have no effect on the force exerted on the X-axis and the torque exerted on the Z-axis. braking force control hybrid electric vehicles hydraulic systems pistons plates (structures) pumps...

... damping 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...

... Modelica Conference , G. Schmitz , ed., pp. 237 – 243 . Harman , P. , 2006 , “ Modelling Automotive Hydraulic Systems Using the Modelica ActuationHydraulics Library ,” Proceedings of the Fifth International Modelica Conference , Vol. 2 , pp. 399 – 403 . Zavarehi , M. K...

... 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...

... such as throttle valve flow-pressure characteristics, unequal piston cross-sectional areas acting in bidirectional motion, orifice area openings, and variation in fluid volume under compression. Second, hydraulic systems contain a large amount of model uncertainties ( 22 ). For example, the supply pump pressure...

... 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...

... angle 21 11 2005 07 08 2008 04 12 2008 capacitors closed loop systems control system synthesis electric admittance fasteners feedback flywheels friction hydraulic systems nonlinear dynamical systems vibration control inerter devices hydraulic test rig design...

... in the hope that, eventually, tribology will also fit into the scene. 14 07 2006 11 12 2006 pistons pumps tribology hydraulic systems flow simulation During the 1980s, a pervasive diffusion of digital computers triggered a continuously growing impetus for “simulation...

... 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. The valve system is, in general, too complex to be efficiently modeled by lumped parameter physical principle-based approaches...

... 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...

... 5, 2003. Associate Editor: H. M. Sardar. 10 January 2003 05 May 2003 12 04 2004 pumps hydraulic systems hydraulic control equipment position control Swash-plate type axial-piston pumps are used to efficiently supply flow and pressure for hydraulic circuitry...

... and the hydraulic system. The monopropellant system controls the flow of monopropellant, which is pressurized to 3.4 × 10 6 Pa (500 psig), into the catalyst beds. In order to simulate a maximum hydraulic load of 6.9 × 10 6 Pa (1000 psig), the FPHP pumps hydraulic fluid through...

.... Associate Editor: Misawa. 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 Engineers have long been interested in methods to more efficiently synthesize models...

... 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 ENGINEERS...