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Scaling and Bandwidth-Parameterization Based Controller ...
Scaling and Bandwidth-Parameterization Based Controller tuning Zhiqiang Gao Dept. of Electrical and Computer Engineering Cleveland State University, Cleveland, Ohio 44115 Abstract: A new set of tools, including Controller Scaling , Controller parameterization and practical optimization, is presented to standardize Controller tuning . Controller Scaling is used to frequency-scale an existing Controller for a large class of plants, eliminating the repetitive Controller tuning process for plants that differ mainly in gain and bandwidth. Controller parameterization makes the Controller parameters a function of a single variable, the loop-gain bandwidth, and greatly simplifies the tuning process. Practical optimization is defined by maximizing the bandwidth subject to the physical constraints, which determine the limiting factors in performance.
Adaptive Self-Tuning, Gain-Scheduling, Disturbance Observer, Computer Aided Controller Design I. Introduction The proportional-integral-derivative (PID) controller, first proposed by N. Minorsky in 1922 [1], is used in over 90% of current industrial control …
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