Design of fluid power systems

Course Name: 



M.Tech (Design and Precision Engineering)


Elective Courses (Ele)

Credits (L-T-P): 



Introduction, Recent developments, applications. Basic types and constructions of Hydraulic pumps and motors. Hydraulic control elements - direction, pressure and flow control valves. Valve configurations, Series and parallel pressure compensation flow control valves. Flapper valve analysis and Design. Analysis of valve controlled and pump controlled motor. Electro-hydraulic servo valves - specification, selection and use of servo valves. Electro hydraulic servomechanisms - Electro hydraulic position control servos and velocity control
servos. Nonlinearities in control systems. Basic configurations of hydraulic power supplies - Bypass Regulated and Stroke Regulated Hydraulic Power Supplies. Heat generation and dissipation in hydraulic systems. Design supply air throttling; Examples of typical circuits using Displacement - Time and Travel-Step diagrams, Travel dependent control and Time-dependent control, Combined Control, Program Control, Sequence Control, Electropneumatic control and air-hydraulic control. Applications in Assembly, Feeding, Metalworking, materials handling and Plastics working. and analysis of typical hydraulic circuits. Use of Displacement - Time and Travel-Step diagrams; ynchronization circuits and accumulator sizing. Meter-in, Meter- out and Bleed-off circuits; Fail Safe and Counter balancing circuits. Components of a pneumatic system; Direction, flow and pressure control valves in pneumatic systems.
Development of single and multiple actuator circuits; Valves for logic functions; Time delay valve; Exhaust and


John Watton, Fundamentals of Fluid Power Control, Cambridge University Press, 2009 Blackburn J F, G Reethof etal, Fluid Power Control, New York : Technology Press of M I T and Wiley, 1960 Lewis E E and H Stern, Design of Hydraulic Control Systems New York, McGraw-Hill, 1962 Morse A C, Electro hydraulic Servomechanism, New York, Mc Graw-Hill, 1963 Pippenger J J and R M Koff, Fluid Power Control, New York : McGraw-Hill, 1959 Fitch, Jr E C Fluid Power Control Systems New York : McGraw Hill, 1966 Thoma Jean U, Hydrostatic Power Transmission, Trade and Technical Press Surrey, England 1964.


Mechanical Engineering

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Dr. Ravikiran Kadoli, Professor and Head
Department of Mechanical Engineering, NITK, Surathkal
P. O. Srinivasnagar, Mangalore - 575 025
Karnataka, India.

  • Hot line: +91-0824-2473049

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