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Part I Fundamentals of Fractinal-order Systems an Controls |
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3 | (6) |
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1.1 Why Fractional Order? |
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3 | (4) |
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1.2 Brief Historical Overview |
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7 | (1) |
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8 | (1) |
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2 Fundamentals of Fractional-order Systems |
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9 | (26) |
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2.1 Fractional-order Operators: Definitions and Properties |
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9 | (3) |
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9 | (1) |
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2.1.2 Fractional-order Integrals |
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10 | (1) |
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2.1.3 Fractional-order Derivatives |
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10 | (2) |
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2.1.4 Laplace and Fourier Transforms |
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12 | (1) |
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2.2 Fractional-order Differential Equations |
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12 | (5) |
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2.2.1 Relaxation and Oscillation Equations |
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13 | (2) |
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2.2.2 Numerical Solutions |
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15 | (2) |
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2.3 Fractional-order Systems |
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17 | (17) |
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2.3.1 Models and Representations |
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17 | (2) |
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19 | (7) |
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2.3.3 Analysis of Time and Frequency Domain Responses |
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26 | (5) |
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2.3.4 Bode's Ideal Loop Transfer Function as References System |
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31 | (3) |
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34 | (1) |
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3 State-space Representation and Analysis |
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35 | (40) |
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3.1 Continuous-time LTI State-space Models |
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35 | (8) |
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36 | (1) |
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3.1.2 State-space Realizations |
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37 | (6) |
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3.2 Solution of the State Equation of Continous LTI Commensurate-order Systems |
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43 | (11) |
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3.2.1 Inverse Laplace Transform Method |
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45 | (1) |
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3.2.2 Jordan Matrix Decomposition Method |
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46 | (1) |
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3.2.3 Cayley-Hamilton Method |
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46 | (8) |
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3.3 Controllability of Continuous LTI Commensurate-order Systems |
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54 | (3) |
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3.4 Observability of Continuous LTI Commensurate-orde Systems |
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57 | (2) |
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3.5 Discrete-time LTI State-space Models |
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59 | (3) |
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3.5.1 Discrete-time State-space Equivalent Model of a Continous LTI System |
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59 | (1) |
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3.5.2 Discrete-time State-space Model Based on Finite Differences |
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60 | (1) |
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3.5.3 Discrete-time State-space Model Based on the Expanded State |
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61 | (1) |
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3.6 Solution of the Discrete-time LTI Commensurate-order State Equation |
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62 | (4) |
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3.6.1 Solution of the Homogeneous Discrete-time State Equation |
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62 | (2) |
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3.6.2 Solution of the Complete Discrete-time State Equation |
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64 | (2) |
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3.7 Stability of Discrete-time LTI Commensurate-order Systems |
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66 | (2) |
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3.8 Controllability of Discrete-time LTI Commensurate-order Systems |
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68 | (3) |
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3.8.1 Reachability Conditions |
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69 | (1) |
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3.8.2 Controllability Conditions |
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70 | (1) |
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3.9 Observability of Discrete-time LTI Commensurate-order Systems |
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71 | (3) |
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74 | (1) |
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4 Fundamentals of Fractional-order Control |
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75 | (12) |
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4.1 Why Fractional-order Control: Historical Review |
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75 | (2) |
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4.2 Generalized Fractional-order Control Actions |
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77 | (4) |
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77 | (2) |
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79 | (2) |
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4.3 Generalized PID Controller |
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81 | (3) |
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4.3.1 Classical PID Controller |
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81 | (1) |
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4.3.2 Fractional-order PID Controller |
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82 | (2) |
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84 | (3) |
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Part II Fractional-order PID-Type Controllers |
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5 Fractional-order Proportional Integral Controller Tuning for First-order Plus Delay Time Plants |
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87 | (20) |
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88 | (1) |
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5.2 F-MIGO: Fractional Ms Contrained Integral Gain Optimization Method |
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89 | (7) |
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5.2.1 Geometric Interpretation of Optimization Problems |
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92 | (1) |
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5.2.2 Numerical Solution of Optimization Problems |
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93 | (3) |
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5.3 Development of the Tuning Rules |
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96 | (4) |
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5.3.1 Introduction to the Method Used |
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96 | (1) |
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96 | (1) |
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5.3.3 F-MIGO Applied to the Test Batch |
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97 | (1) |
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98 | (2) |
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5.3.5 Summary of Tuning Rules |
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100 | (1) |
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100 | (5) |
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5.4.1 Validity of the F-MIGO Method |
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100 | (1) |
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5.4.2 Three Types of FOPDT Systems |
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101 | (2) |
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103 | (2) |
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105 | (2) |
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6 Fractional-order Proportional Derivative Controller Tuning for Motion Systems |
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107 | (14) |
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107 | (1) |
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6.2 Fractional-order PD Controller Design for a Class of Second-order Plants |
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108 | (3) |
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6.2.1 Conventional PD Controllers (μ = 1) |
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109 | (1) |
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6.2.2 Fractional-order PDμ Controllers |
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110 | (1) |
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111 | (1) |
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111 | (4) |
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6.4.1 Step Response Comparison with Varying Kp |
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112 | (1) |
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6.4.2 Ramp Response Comparison with Varying Kp |
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113 | (2) |
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115 | (4) |
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6.5.1 Introduction to the Experimental Platform |
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115 | (1) |
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6.5.2 Experimental Model Simulation |
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116 | (2) |
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6.5.3 Experiments on the Dynamometer |
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118 | (1) |
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119 | (2) |
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7 Fractional-order Proportional Integral Derivative Controllers |
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121 | (12) |
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121 | (1) |
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7.2 Design Specifications and Tuning Problem |
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122 | (3) |
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125 | (4) |
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129 | (4) |
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Part III Fractional-order Lead-lag Compensators |
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8 Tuning of Fractional-order Lead-lag Compensators |
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133 | (8) |
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133 | (2) |
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135 | (3) |
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138 | (2) |
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140 | (1) |
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9 Auto-tuning of Fractional-order Lead-lag Compensators |
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141 | (10) |
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141 | (1) |
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9.2 Relay Test for Auto-tuning |
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142 | (2) |
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9.3 Design of the Fractional-order Lag Part |
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144 | (1) |
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9.4 Design of the Fractional-order Lead Part |
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145 | (2) |
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9.5 Formulation of the Resulting Controller |
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147 | (1) |
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147 | (4) |
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Part IV Other Fractional-order Control Strategies |
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10 Other Robust Control Techniques |
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151 | (14) |
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10.1 CRONE: Commande Robuste d'Ordre Non Entier |
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151 | (7) |
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10.1.1 First Generation CRONE Controller |
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152 | (1) |
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10.1.2 Second Generation CRONE Controller |
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153 | (2) |
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10.1.3 Third Generation CRONE Controller |
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155 | (3) |
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10.2 QFT: Quantitative Feedback Theory |
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158 | (5) |
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10.2.1 Some Preliminaries About QFT |
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159 | (1) |
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10.2.2 Case Study with a Fractional-order Lead-lag Compensator |
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160 | (2) |
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10.2.3 Simulation Results |
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162 | (1) |
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163 | (2) |
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11 Some Nonlinear Fractional-order Control Strategies |
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165 | (26) |
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11.1 Sliding Mode Control |
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165 | (8) |
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165 | (1) |
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11.1.2 SMC of the Double Integrator |
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166 | (4) |
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11.1.3 Fractional Sliding |
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170 | (3) |
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11.2 Model Reference Adaptive Control |
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173 | (8) |
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173 | (1) |
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11.2.2 MRAC: A Brief Review |
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174 | (1) |
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11.2.3 Using Fractional Calculus in MRAC Scheme |
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175 | (6) |
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11.2.4 Concluding Remarks |
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181 | (1) |
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181 | (7) |
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181 | (1) |
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182 | (1) |
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11.3.3 Generalized Reset Integrator |
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183 | (1) |
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11.3.4 Fractional Reset Integrator |
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184 | (2) |
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11.3.5 Simulation Results |
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186 | (2) |
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188 | (3) |
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Part V Implementations of Fractional-order Controllers: Methods and Tools |
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12 Implementations of Fractional-order Controllers |
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191 | (22) |
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12.1 Continuous-time Implementations of Fractional-order Operators |
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192 | (4) |
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12.1.1 Continued Fraction Approximations |
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192 | (1) |
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12.1.2 Oustaloup Recursive Approximations |
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193 | (2) |
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12.1.3 Modified Oustaloup Filter |
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195 | (1) |
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12.2 Discrete-time Implementation of Fractional-order Operators |
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196 | (5) |
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12.2.1 FIR Filter Approximation |
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198 | (1) |
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12.2.2 Discretization Using the Tustin Method with Prewarping |
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198 | (2) |
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12.2.3 Discrete-time Implementation with Step or Impulse Response Invariants |
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200 | (1) |
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12.3 Frequency Response Fitting of Fractional-order Controllers |
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201 | (4) |
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12.3.1 Continuous-time Approximation |
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201 | (1) |
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12.3.2 Discrete-time Approximation |
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202 | (1) |
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12.3.3 Transfer Function Approximations to Complicated Fractional-order Controllers |
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203 | (2) |
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12.4 Sub-optimal Approximation of FOTFs |
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205 | (7) |
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212 | (1) |
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13 Numerical Issues and Matlab Implementations for Fractional-order Control Systems |
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213 | (46) |
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13.1 Computations in Fractional Calculus |
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214 | (17) |
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13.1.1 Evaluation of Mittag-Leffler functions |
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214 | (3) |
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13.1.2 Evaluations of Fractional-order Derivatives |
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217 | (4) |
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13.1.3 Closed-form Solutions to Linear Fractional-order Differential Equations |
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221 | (3) |
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13.1.4 Analytical Solutions to Linear Fractional-order Differential Equations |
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224 | (7) |
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13.2 Fractional-order Transfer Functions |
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231 | (12) |
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13.2.1 Design of an FOTF Object |
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232 | (1) |
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13.2.2 Modeling Using FOTFs |
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233 | (4) |
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13.2.3 Stability Assessment of FOTFs |
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237 | (2) |
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13.2.4 Numerical Time Domain Analysis |
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239 | (2) |
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13.2.5 Frequency Domain Analysis |
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241 | (2) |
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13.3 Simulation Studies of Fractional-order Nonlinear Systems with Block Diagrams |
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243 | (5) |
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13.3.1 Design of a Fractional-order Operator Block in Simulink |
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244 | (1) |
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13.3.2 Simulation Studies by Examples |
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245 | (2) |
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13.3.3 Validations of Simulation Results |
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247 | (1) |
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13.4 Optimum Controller Design for Fractional-order Systems |
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248 | (8) |
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13.4.1 Optimum Criterion Selection |
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249 | (2) |
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13.4.2 Optimal Controller Design via Optimizations |
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251 | (2) |
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13.4.3 Optimum PIλDμ Controller Design |
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253 | (3) |
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256 | (3) |
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Part VI Real Applications |
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14 Systems Identification |
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259 | (14) |
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259 | (1) |
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14.2 Frequency Domain Identification of Commensurate-order Systems |
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260 | (1) |
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14.3 Electrochemical Process |
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261 | (5) |
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266 | (5) |
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271 | (2) |
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15 Position Control of a Single-link Flexible Robot |
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273 | (28) |
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274 | (2) |
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276 | (3) |
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15.3 Dynamic Model of the Single-link Flexible Manipulator |
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279 | (3) |
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15.4 General Control Scheme |
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282 | (4) |
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283 | (1) |
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284 | (1) |
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285 | (1) |
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15.5 Design of the Outer-loop Controller Re (s) |
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286 | (5) |
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15.5.1 Condition for Constant Phase Margin |
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287 | (1) |
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15.5.2 Condition for Removing the Effects of Disturbance |
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288 | (1) |
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15.5.3 Ideal Response to a Step Command |
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288 | (1) |
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289 | (2) |
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15.6 Some Practical Issues |
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291 | (6) |
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15.6.1 Robustness to Higher Vibration Modes (Spillover) |
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292 | (3) |
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15.6.2 Effect of the Non-negligible Inner-loop Dynamics |
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295 | (1) |
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15.6.3 Fractional-order Controller Implementation |
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296 | (1) |
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15.7 Experimental Results |
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297 | (3) |
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300 | (1) |
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16 Automatic Control of a Hydraulic Canal |
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301 | (52) |
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16.1 Background and Motivations |
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301 | (3) |
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16.2 Description of the Laboratory Hydraulic Canal |
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304 | (3) |
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16.3 Control-oriented Hydraulic Canal Dynamic Model |
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307 | (5) |
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16.4 Design and Experimental Studies of Fractional-order PI Controllers |
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312 | (15) |
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16.4.1 Fractional-order PI Controller Design |
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312 | (6) |
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16.4.2 Time Response of the Fractional-order PI Controller |
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318 | (4) |
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16.4.3 Experiments with the Fractional-order PI Controller |
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322 | (5) |
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16.5 Design and Experimental Studies of PID Controllers |
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327 | (7) |
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16.5.1 Design of a PID Controller |
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327 | (3) |
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16.5.2 Experimental Comparison of the PID Controller and the Fractional-order Controllers |
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330 | (3) |
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16.5.3 Conclusions on the Robust Control of the Laboratory Hydraulic Canal |
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333 | (1) |
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16.6 Control of Hydraulic Canals with Significant Delays |
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334 | (5) |
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16.6.1 Standard Control Scheme |
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335 | (1) |
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16.6.2 Smith Predictor Based Control Scheme |
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336 | (3) |
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16.7 Fractional-order Control of Hydraulic Canals with Significant Delays |
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339 | (1) |
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16.7.1 Design Method for Smith Predictor Based Iλ Controllers (SP-FI) |
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339 | (1) |
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16.7.2 Design Method for Smith Predictor Based PIλ Controllers (SP-FPI) |
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339 | (1) |
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16.8 Control-oriented Dynamic Model of an IMCP |
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340 | (3) |
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16.9 Comparison of Controllers from Simulation Results |
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343 | (8) |
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16.9.1 Controller Design Specifications for the Nominal Plant |
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343 | (1) |
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16.9.2 Standard PI Controller |
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344 | (1) |
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16.9.3 Smith Predictor Based PI Controller |
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344 | (1) |
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16.9.4 Smith Predictor Based PID Controller |
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345 | (1) |
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16.9.5 Fractional-order I Controller with Smith Predictor |
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346 | (2) |
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16.9.6 Fractional-order PI Controller with Smith Predictor |
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348 | (2) |
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16.9.7 Conclusions on the Robust Control of the IMCP with LTVD |
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350 | (1) |
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351 | (2) |
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353 | (12) |
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17.1 The Experimental Platform |
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353 | (2) |
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17.2 Experimental Tuning of the Control Platform |
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355 | (4) |
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355 | (2) |
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357 | (2) |
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17.3 Experimental Auto-tuning on the Mechatronic Platform |
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359 | (4) |
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363 | (2) |
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18 Fractional-order Control Strategies for Power Electronic Buck Converters |
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365 | (26) |
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365 | (2) |
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18.2 Model of the Buck Converter |
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367 | (4) |
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18.2.1 Discrete Plant Model |
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368 | (1) |
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18.2.2 Linearized Plant Model |
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369 | (1) |
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18.2.3 Real System Model for Design |
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370 | (1) |
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18.3 Linear Fractional-order Control |
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371 | (4) |
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18.3.1 Controller Design Based on the Smith Predictor Structure |
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371 | (2) |
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18.3.2 Controller Design Using Phase-lag Compensation |
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373 | (1) |
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18.3.3 Controller Design Based on the Discrete Linearized Model |
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374 | (1) |
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18.4 Fractional Sliding Mode Control (FrSMC) |
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375 | (6) |
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18.4.1 Sliding Surfaces Through PID and PI Structures |
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376 | (2) |
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18.4.2 Fractional Sliding Surfaces |
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378 | (3) |
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18.5 Simulation and Experimental Results |
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381 | (6) |
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18.5.1 Simulation Results |
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381 | (3) |
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18.5.2 Experimental Results |
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384 | (2) |
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18.5.3 Robustness Comments on Simulation Results |
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386 | (1) |
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387 | (4) |
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Appendix Laplace Transforms Involving Fractional and Irrational Operations |
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391 | (4) |
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391 | (1) |
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A.2 Special Functions for Laplace Transform |
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391 | (1) |
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A.3 Laplace Transform Tables |
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391 | (4) |
References |
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395 | (14) |
Index |
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409 | |