The aim of this subject is to develop an understanding and provide practical experience of fluidpower and PLC control systems as used in industrial environments. This subject forms the basis for student project work and further study in third year.
Subject Overview
Over view of industrial automation applications & safety issues
Fluidpower theory:
Pascal theorem, flow rate, speeds, pressure, forces
Provision of compressed air:
Receivers, air treatment, pressure regulation, safety valves, service units
Compressors:
Piston, screw, rotary and dynamic types
Pneumatic actuators
Pneumatic actuators, linear actuators, rotary actuators, sealing and controls
Pneumatic valves:
Poppet, spool & rotary types, pilot-operated, directional control, check valves
Flow & pressure control:
Relief, reduction, throttle and flow control valves meter-in & out
Manual Pneumatic circuits:
Single and multiple cylinder sequences, trapped signals, cascade circuit
Electropneumatic components
Electropneumatic components and sensors, e.g. relays, proximity switches, timers
Electro-pneumatic circuits
Electro-pneumatic circuits continuous sequence, latch circuits, pressure switch and timer circuits
Hydraulic pumps
Hydraulic pumps, fixed & variable displacement, gear, vane and piston types, pump controls
Hydraulic valves & actuators
Hydraulic valves & actuators, relief, reduction, pressure compensated flow control, cylinders and cushioning
Hydraulic Circuits
Hydraulic Circuits, sequence, counterbalance, pilot operated check valve circuit, regenerative
Logic Functions:
Review Boolean expressions, AND, OR, NOT, NAND, NOR, truth tables, ladder logic
PLCs:
Programming of basic logic functions, operation and programming of timers and counters
Component Sizing
of actuators and pumps, force/pressure/area, time/flowrate/volume
Maintenance
Maintenance, installation & faultfinding of fluid power systems
| Module Content & Assessment | |
|---|---|
| Assessment Breakdown | % |
| Other Assessment(s) | 50 |
| Formal Examination | 50 |