Windup in Control Owing to Sensor Saturation
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Beschreibung
This brief presents methods for anti-windup control in the presence of saturating sensors, arbitrary external reference inputs, and constant or step-like disturbance inputs. It also offers techniques to assure windup prevention when both the input and the output signals are limited and this for systems with one input (SISO) and multiple inputs (MIMO). The emphasis in both is on real-world practicality rather than rigorously proven stability.
Two novel solutions for anti-windup control are explored. The first approach, for SISO systems only, follows the classic design paradigm of anti-windup control: design an arbitrary linear compensator and add appropriate measures for their prevention if saturation causes stability problems. This uses a saturation indicator detecting the presence, but not the extent of saturation. The second methodology uses a compensator design that assures the desired rejection of persistent disturbances without jeopardizing closed-loop stability, and canbe applied to SISO and MIMO systems alike.
Containing worked examples that can be reproduced by the reader, illustrative simulations, and open problems for future research, Windup in Control Owing to Sensor Saturation will be of interest to both academics and engineers in the fields of control and process industries.Presents novel methods for anti-windup control in the presence of saturating sensors Offers techniques applicable to both SISO and MIMO systems Includes reproducible worked examples and open problems for future research
Autor*in
Peter Hippe
Themen in »Windup in Control Owing to Sensor Saturation«
Anti-Windup Control Sensor Saturation Actuator Saturation Disturbance Rejection Reference Behaviour Frequency Domain Design Sensor Limitations Constrained Control Actuator Constraints Output Saturation