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Control Theory Tutorial - Basic Concepts Illustrated by Software Examples
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Part II DesignTradeoffs 6 Regulation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45 6.1 Cost Function . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45 6.2 OptimizationMethod . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47 6.3 Resonance Peak Example . . . . . . . . . . . . . . . . . . . . . . . . . . . . 48 6.4 FrequencyWeighting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50 7 Stabilization . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55 7.1 Small Gain Theorem. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 56 7.2 Uncertainty: Distance Between Systems . . . . . . . . . . . . . . . . . . 57 7.3 Robust Stability andRobust Performance . . . . . . . . . . . . . . . . . 59 7.4 Examples of Distance and Stability . . . . . . . . . . . . . . . . . . . . . 60 7.5 Controller Design for Robust Stabilization . . . . . . . . . . . . . . . . 61 8 Tracking . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 63 8.1 Varying Input Frequencies. . . . . . . . . . . . . . . . . . . . . . . . . . . . 64 8.2 StabilityMargins . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 67 9 State Feedback . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 69 9.1 Regulation Example . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 70 9.2 Tracking Example. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 72 Part III CommonChallenges 10 Nonlinearity . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 79 10.1 Linear Approximation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 80 10.2 Regulation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 80 10.3 Piecewise Linear Analysis andGain Scheduling . . . . . . . . . . . . 82 10.4 Feedback Linearization . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 83 11 AdaptiveControl . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 85 11.1 GeneralModel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 85 11.2 Example ofNonlinear Process Dynamics . . . . . . . . . . . . . . . . . 87 11.3 Unknown Process Dynamics . . . . . . . . . . . . . . . . . . . . . . . . . . 88 12 Model PredictiveControl . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 91 12.1 Tracking aChaotic Reference . . . . . . . . . . . . . . . . . . . . . . . . . 92 12.2 Quick CalculationHeuristics . . . . . . . . . . . . . . . . . . . . . . . . . . 93 12.3 Mixed Feedforward and Feedback . . . . . . . . . . . . . . . . . . . . . . 94 12.4 Nonlinearity or Unknown Parameters . . . . . . . . . . . . . . . . . . . . 94 13 TimeDelays . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 95 13.1 Background . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 95 13.2 Sensor Delay . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 96 13.3 Process Delay . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 97 13.4 Delays Destabilize Simple Exponential Decay . . . . . . . . . . . . . 97 x Contents
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Control Theory Tutorial Basic Concepts Illustrated by Software Examples
Title
Control Theory Tutorial
Subtitle
Basic Concepts Illustrated by Software Examples
Author
Steven A. Frank
Publisher
Springer Open
Location
Irvine
Date
2018
Language
English
License
CC BY 4.0
ISBN
978-3-319-91706-1
Size
15.5 x 23.5 cm
Pages
114
Keywords
Control Theory --- Engineering Design Tradeoffs, Robust Control, Feedback Control Systems, Wolfram
Category
Informatik
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