| Control Loop Optimisation and PID Tuning |
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We have many years of experience working in a process environment and have been involved in the optimisation of most of the common PID Control loops. Many people assume that PID Loop Tuning is simply a matter of using whatever method they have learnt at college, or have purchased PID Tuning Software, to come up with a set of values for each of the three terms. We consider PID Loop Tuning to be the “icing on the cake” and really should form the final action of a more detailed optimisation of a PID Control Loop in which all aspects of the loop, valves, transmitters, interactions etc, are considered.
Combined with our working knowledge of programmable systems, we use laptop-based PID Tuning Software tests to uncover PID Control loop problems such as hysteresis, incorrect valve sizing, over filtering of the process variable etc. Having determined the system dynamics we use powerful analysis tools and, where necessary, bespoke software-based models to optimise the final tuning parameters.
A brochure is available for this service, please go to our downloads page to obtain one in PDF format. |
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| Control Loop Types |
Controller Parameters |
Control Loop Issues |
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Single Loop Control
Cascade & Ratio Control
FeedForward Control
Coarse / Fine Control
Split-Range Control
Gain Scheduling
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Bumpless Transfer Options
PID Algorithm Issues
Derivative Gain Settings
Process Variable Filtering Issues
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Non Linear Systems
Valve Stiction / Hysteresis Analysis
Deadtime Analysis
PLC Code Reviews for PID Control - Ensuring that PID Control in PLC's is done the correct way.
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