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

Contact us

Dr. Narendranath S, 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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