ME 871 - Mathematical Modeling of Fluid Power Systems

• Include the effects of fluid properties in the analysis of fluid power circuits and components
• Apply first principles to develop mathematical models of fluid power circuits and components
• Utilize Matlab/Simulink to model fluid power circuits and components
• Develop mathematical models for pressure and flow control valves and positive displacement pumps and motors
• Analyze steady state and dynamic response of fluid power circuits and components
• Validate mathematical models through lab testing
• Apply the course concepts to reproduce and improve on the analysis of a fluid power component/system based on a paper from published literature

• Basic class in fluid power and differential equations (in a modeling context is preferred)

• Fluid properties
• Fluid mechanics in hydraulic systems and components, dynamic continuity equation
• Hydraulic control valves
• Hydraulic pumps
• Valve controlled motors
• Dynamic analysis of pumps
• Hydrostatic transmission model hydraulic cylinders
• Accumulator and line dynamic models

• Fluid properties, bulk modulus experiment
• Modeling transient leakage in fixes orifice
• Steady State proportional valve performance
• Steady State performance of pressure compensated axial piston pump
• Valve controlled motor steady state performance
• Cushion dynamics
• (9 hours)