Subject Code & Name: MR25C01 – Fluid Power Automation
Regulation: R-2025
Semester: III (Third Semester)
Branch: B.E. Mechatronics Engineering (Mechatronics)
Credits / L-T-P: 4 Credits | L-T-P: 3-0-2
Course Objectives
- This course introduces the principles, components, and applications of hydraulic and pneumatic systems in automation.
- Students learn to design, simulate, and troubleshoot fluid power circuits for industrial and mechanical processes.
Full Unit-wise Syllabus
Unit I Fluid Power Principles and Hydraulic Pumps
Introduction to Fluid power – Advantages and Applications – Fluid power systems – Types of fluids – Properties of fluids and selection – Basics of Hydraulics Pascal’s Law – Principles of flow – Friction loss – Work, Power and Torque- Problems, Sources of Hydraulic power : Pumping Theory – Pump Classification Construction, Working, Design, Advantages, Disadvantages, Performance, Selection criteria of pumps – Fixed and Variable displacement pumps – Problems.
Practical: 1. Study and simulation of basic structure of Fluid power systems and its components. 2. Selection of hydraulic pumps and motors and simulation using Automation software.
Unit II – Hydraulic Actuators and Control Components
Hydraulic Actuators: Cylinders – Types and construction, Application, Hydraulic cushioning – Rotary Actuators – Hydraulic motors - Control components: Direction Control, Flow control and pressure control valves – Types, Construction and Operation – Accessories: Accumulators, Pressure Intensifiers, Reservoirs, Pressure Switches – Filters –types and selection- Applications – Fluid Power ANSI Symbols – Problems.
Practical: Simulation of single and double actuators with different direction control actuating systems
Unit III – Hydraulic Circuits and Systems
Industrial hydraulic circuits – Regenerative, Pump Unloading, Double Pump, Air-over oil, Sequence, Reciprocation, Synchronization, Fail- Safe, Speed Control, Deceleration circuits, Sizing of hydraulic systems, Hydrostatic transmission, Electro hydraulic circuits – Servo and Proportional valves – Applications – Mechanical, hydraulic servo systems, Case Studies.
Practical: 1. Study and Simulation of regenerative, synchronization and metering circuits. 2. Design and simulation of hydraulic sequencing circuits using hydraulic sequencing valve. 3. Design and simulation of hydraulic counter balance and unloading circuits.
Unit IV – Pneumatic and Electro Pneumatic Systems
Properties of air – Air preparation and distribution – Filters, Regulator, Lubricator, Muffler, Air control Valves, Quick Exhaust Valves, Pneumatic actuators, Design of Pneumatic circuit – classification single cylinder and multi cylinder circuits – Cascade method Integration of fringe circuits, Electro Pneumatic System – Elements – Relay ladder diagram – timer circuits – Problems, PLC – Logic ladder diagram – Controlling Fluid power actuators, Case Studies.
Practical: 1. Design and simulation of pneumatic single and double acting cylinder circuits. 2. Design and simulation of electropneumatic single and double acting cylinder circuits 3. Development of ladder diagram for fluid power problems and simulation with PLC hardware and Automation software
Unit V – Trouble Shooting and Applications
Installation, Selection, Maintenance, Trouble Shooting and Remedies in Hydraulic and Pneumatic systems, Conditioning of hydraulic fluids Design of hydraulic circuits for Drilling, Planning, Shaping, Surface grinding, Press and Forklift applications. Design of Pneumatic circuits for metal working, handling, clamping counter and timer circuits – Low cost Automation – Hydraulic and Pneumatic power packs, Case Studies.
Activities: Tasks T1. Design a hydraulic circuit for an industrial press to achieve required force and smooth operation. T2. Develop a pneumatic system for automated material handling (pick-and-place) in a production line. T3. Troubleshoot a hydraulic system failure (low pressure or leakage) and suggest corrective actions. T4. Design a PLC-controlled fluid power circuit for sequencing operations in an automated machine.
Course Outcomes (COs)
- CO1: Explain fundamental principles of fluid power properties of fluids, and components of hydraulic and pneumatic systems to demonstrate overall understanding.
- CO2: Apply knowledge of hydraulic and pneumatic components to design, simulate, and implement functional fluid power circuits.
- CO3: Analyze fluid power systems, control strategies and troubleshooting techniques to determine system performance and operational behavior.
- CO4: Evaluate efficiency, safety, and effectiveness of fluid power circuits using standard practices and develop suitable solutions for industrial automation applications.
Assessment Pattern (Quick Note)
- Weightage: Continuous Assessment 50% | End Semester Examinations 50%
- Internal methodology: Written Test (40%), Practical (30%), Activity (30%). Practical: Lab Experiments (50%), Tasks (50%) (Each student must complete a minimum of two tasks). Activity: Review of GATE/ESE Questions (10%), Mini Project/ Quiz/ Assignment Programs/ Flipped Class /Seminar Presentation (20%)
Source: Official Anna University – B.E. Mechatronics Engineering R-2025 Syllabus
Last Updated: September 2026
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