Proportional Hydraulics Course (Code TPS)
- To introduce students to the principles and practices of proportional control
- Introduction to the study of circuit construction and circuit components
- To introduce basic principles of design of proportional systems
1. Aims
- Students will gain knowledge of both analogue and digital proportional systems
- Students will gain knowledge of both open and closed loop proportional systems
- For student to become familiar with set-up procedures on proportional systems
- For students to become familiar with maintenance and fault finding techniques on proportional hydraulic systems
2. Itinerary
Day one
- Valve construction and operation
- Types of proportional control devices
- Pressure relief
- Flow control
- Direction control
- Hydraulic symbols
- Spool configurations
- Selection & sizing with reference to manufacturer’s data
- Electrical operation
- Types of proportional control devices
- Basic electrical circuits and operation
- Solenoid design
- Comparison between conventional and proportional valves
- Methods of control
- Comparison between analogue and digital control
Day two
- Proportional Attributes
- Ramp
- Gain
- Deadband
- Dither
- Pulse width modulation
- Amplifier cards
- Principles of operation
- Design and application
- Analogue and digital
- Closed Loop
- Internal and external feedback devices
- Operation and application of closed loop systems
Day three
- Integrated Electronics Option Frequency Response
- Principles of operation
- Bode diagrams and their use in manufacturer’s data
- PID control
- Practical Exercises
- Commissioning and set-up procedures
- Open loop circuits
- Closed loop circuits
- Interface to the control
Contact
Jim Hickey – Managing Director
Mobile: +353 (0)87 2782348
Email: jhickey@phc.ie