Preface |
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xi | |
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xv | |
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xix | |
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1 The Development of Safety Control Systems |
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1 | (14) |
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1 | (2) |
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1.2 Philosophical Distinctions between Active and Passive FTCSs |
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3 | (7) |
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1.2.1 Architecture and Philosophy of an Active FTCS |
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3 | (2) |
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1.2.2 Architecture and Philosophy of a Passive FTCS |
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5 | (1) |
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6 | (1) |
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1.2.3.1 Advantages of an Active FTCS |
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7 | (1) |
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1.2.3.2 Limitations of an Active FTCS |
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8 | (1) |
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1.2.3.3 Advantages of a Passive FTCS |
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9 | (1) |
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1.2.3.4 Limitations of a Passive FTCS |
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9 | (1) |
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1.3 Basic Concept and Classification of Anti-Disturbance Control Systems |
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10 | (1) |
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1.4 Safety-Critical Issues of Aerospace Vehicles |
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11 | (2) |
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11 | (1) |
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1.4.2 Limited Recovery Time |
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11 | (1) |
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1.4.3 Finite-Time Stabilization/Tracking |
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11 | (1) |
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1.4.4 Transient Management |
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12 | (1) |
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1.4.5 Composite Faults and Disturbances |
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12 | (1) |
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13 | (2) |
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2 Hybrid Fault-Tolerant Control System Design against Actuator Failures |
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15 | (26) |
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15 | (2) |
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2.2 Modeling of Actuator Faults through Control Effectiveness |
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17 | (4) |
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2.2.1 Function of Actuators in an Aircraft |
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17 | (1) |
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2.2.2 Analysis of Faults in Hydraulic Driven Control Surfaces |
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17 | (3) |
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2.2.3 Modeling of Faults in Multiple Actuators |
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20 | (1) |
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2.3 Objectives and Formulation of Hybrid FTCS |
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21 | (3) |
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2.4 Design of the Hybrid FTCS |
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24 | (8) |
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2.4.1 Passive FTCS Design Procedure |
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25 | (5) |
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2.4.2 Reconfigurable Controller Design Procedure |
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30 | (1) |
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2.4.3 Switching Function among Different Controllers |
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31 | (1) |
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2.5 Numerical Case Studies |
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32 | (7) |
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2.5.1 Description of the Aircraft |
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32 | (1) |
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2.5.2 Performance Evaluation under the Passive FTCS |
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33 | (2) |
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2.5.3 Performance Evaluation under Reconfigurable Controller |
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35 | (1) |
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2.5.4 Nonlinear Simulation of the Hybrid FTCS |
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36 | (3) |
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39 | (1) |
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40 | (1) |
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3 Safety Control System Design against Control Surface Impairments |
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41 | (24) |
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41 | (1) |
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3.2 Aircraft Model with Redundant Control Surfaces |
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42 | (4) |
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3.2.1 Nonlinear Aircraft Model |
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43 | (1) |
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44 | (1) |
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3.2.3 Linearized Aircraft Model with Consideration of Faults |
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45 | (1) |
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3.3 Redundancy Analysis and Problem Formulation |
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46 | (4) |
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3.3.1 Redundancy Analysis |
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47 | (1) |
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47 | (3) |
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50 | (4) |
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3.4.1 FTC Design via State Feedback |
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52 | (1) |
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3.4.2 FTC via Static Output Feedback |
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53 | (1) |
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3.5 Illustrative Examples |
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54 | (10) |
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3.5.1 Example 1 (State Feedback Case) |
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56 | (2) |
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3.5.2 Example 2 (Static Output Feedback Case) |
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58 | (4) |
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3.5.3 Sensitivity Analysis |
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62 | (2) |
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64 | (1) |
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64 | (1) |
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4 Multiple Observers Based Anti-Disturbance Control for a Quadrotor UAV |
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65 | (24) |
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65 | (2) |
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4.2 Quadrotor Dynamics with Multiple Disturbances |
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67 | (5) |
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4.2.1 Quadrotor Dynamic Model |
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67 | (3) |
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4.2.2 The Analysis of Disturbances |
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70 | (2) |
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4.3 Design of Multiple Observers Based Anti-Disturbance Control |
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72 | (6) |
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4.3.1 Control for Translational Dynamics |
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72 | (1) |
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73 | (1) |
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73 | (1) |
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4.3.2 Control for Rotational Dynamics |
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74 | (1) |
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75 | (1) |
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75 | (2) |
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77 | (1) |
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4.4 Flight Experimental Results |
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78 | (10) |
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4.4.1 Flying Arena and System Configuration |
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79 | (1) |
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4.4.2 Quadcopter Flight Scenarios |
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80 | (1) |
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80 | (2) |
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82 | (1) |
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82 | (1) |
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82 | (4) |
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86 | (2) |
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88 | (1) |
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88 | (1) |
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5 Safety Control System Design of HGV Based on Adaptive TSMC |
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89 | (28) |
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89 | (3) |
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92 | (1) |
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5.3 Mathematical Model of a HGV |
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92 | (3) |
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5.3.1 Nonlinear HGV Model |
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92 | (2) |
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5.3.2 Actuator Fault Model |
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94 | (1) |
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94 | (1) |
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5.4 Control-Oriented Model |
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95 | (4) |
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5.5 Safety Control System Design of a HGV against Faults and Uncertainties |
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99 | (8) |
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99 | (5) |
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5.5.2 Safety Control System Based on Adaptive Multivariable TSMC Technique |
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104 | (3) |
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107 | (4) |
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5.6.1 HGV Flight Condition and Simulation Scenarios |
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107 | (2) |
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5.6.2 Simulation Analysis of Scenario I |
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109 | (1) |
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5.6.3 Simulation Analysis of Scenario II |
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109 | (2) |
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111 | (4) |
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115 | (2) |
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6 Safety Control System Design of HGV Based on Fixed-Time Observer |
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117 | (20) |
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117 | (1) |
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6.2 HGV Modeling and Problem Statement |
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118 | (6) |
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118 | (2) |
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6.2.2 Control-Oriented Model Subject to Actuator Faults and Uncertainties |
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120 | (3) |
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123 | (1) |
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124 | (2) |
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6.3.1 An Overview of the Developed Observer and Accommodation Architecture |
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124 | (1) |
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6.3.2 Fixed-Time Observer |
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124 | (2) |
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6.4 Finite-Time Accommodation Design |
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126 | (4) |
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6.5 Numerical Simulations |
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130 | (4) |
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6.5.1 HGV Flight Conditions |
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130 | (1) |
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6.5.2 Simulation Scenarios |
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130 | (1) |
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131 | (3) |
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134 | (1) |
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135 | (2) |
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7 Fault Accommodation with Consideration of Control Authority and Gyro Availability |
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137 | (32) |
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137 | (2) |
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7.2 Aircraft Model and Problem Statement |
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139 | (7) |
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7.2.1 Longitudinal Aircraft Model Description |
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139 | (3) |
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7.2.2 Analysis of Flight Actuator Constraints |
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142 | (2) |
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7.2.3 Failure Modes and Modeling of Flight Actuators |
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144 | (1) |
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7.2.4 Failure Modes and Modeling of Flight Sensor Gyros |
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144 | (1) |
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145 | (1) |
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7.3 Fault Accommodation with Actuator Constraints |
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146 | (5) |
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7.3.1 An Overview of the Fault Accommodation Scheme |
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146 | (1) |
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7.3.2 Fault Accommodation within Actuator Control Authority |
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146 | (5) |
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7.4 Fault Accommodation with Actuator Constraints and Sensor-less Angular Rate |
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151 | (6) |
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7.4.1 An Overview of the SMO-Based Fault Accommodation Scheme with Sensorless Angular Velocity |
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151 | (1) |
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7.4.2 A SMO for Estimating Angular Rate |
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152 | (1) |
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7.4.3 Integrated Design of SMO and Fault Accommodation |
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153 | (4) |
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157 | (10) |
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7.5.1 Simulation Environment Description |
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157 | (1) |
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7.5.2 Simulation Scenarios |
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157 | (2) |
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7.5.3 Results of Case I and Assessment |
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159 | (2) |
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7.5.4 Results of Case II and Assessment |
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161 | (6) |
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167 | (1) |
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167 | (2) |
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169 | (4) |
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B Appendix for Chapter 3: Part 1 |
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173 | (2) |
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C Appendix for Chapter 3: Part 2 |
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175 | (4) |
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D Appendix for Chapter 3: Part 3 |
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179 | (4) |
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183 | (2) |
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E.1 Experimental Parameters |
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183 | (2) |
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E.1.1 Physical Parameters |
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183 | (1) |
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183 | (2) |
Bibliography |
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185 | |