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Course 60851
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___ is the length of time required for the PV to cross the ultimate value after a step input change, such as a setpoint change.
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Ziegler-Nichols ___ tuning is a method of tuning a controller by increasing the gain until the system cycles at the point of instability.
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The ___ method is a manual tuning method that consists of making small changes in the setpoint and observing the responses.
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___ is the factor by which the controller gain may be increased before instability occurs, and therefore is a measure of relative stability.
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The ___ gain (Ku) is the proportional gain at the point of oscillation.
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The ___ is a measure of how quickly an overshoot decays from one oscillation to the next as the controller brings the process to the setpoint.
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___ open loop tuning is a method of tuning a controller based on open loop response to a step input.
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Ziegler-Nichols methods are empirical and intended to achieve a ___.
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ON/OFF control is a method that produces an output that provides only an ON or OFF signal to the final element of the process.
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Integral time (TI) is the time it takes for a controller to change a CV by 50% for a 10% change in the difference between CV and SP.
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