Info
- Utilizzare la checkbox di selezione a fianco di ciascun documento per attivare le funzionalità di stampa, invio email, download nei formati disponibili del (i) record.
Analyzing design review conversations / / edited by Robin S. Adams and Junaid A. Siddiqui
| Analyzing design review conversations / / edited by Robin S. Adams and Junaid A. Siddiqui |
| Pubbl/distr/stampa | West Lafayette, Indiana : , : Purdue University Press, , 2016 |
| Descrizione fisica | 1 online resource (515 p.) |
| Disciplina | 620/.0042 |
| Soggetto topico |
Engineering design - Evaluation
Industrial design Communication in engineering design Communication in design |
| Soggetto genere / forma | Electronic books. |
| ISBN |
1-61249-438-2
1-61249-439-0 |
| Formato | Materiale a stampa  |
| Livello bibliografico | Monografia |
| Lingua di pubblicazione | eng |
| Nota di contenuto |
Cover; Copyright; Table of Contents; Acknowledgments; Analyzing Design Review Conversations; 1. Inquiry Into Design Review Conversations; 2. Design Review Conversations: The Dataset; 3. Making Gestural frequencies; 4. Research-to-Practice Workshop: Design and Experience; Design Inquiry; 5. Robust Design Review Conversations; 6. Navigating Boundaries: Moving Between Context and Disciplinary Knowledge When Learning to Design; 7. Dimensions of Creative Evaluation: Distinct Design and Reasoning Strategies for Aesthetic, Functional, and Originality Judgments
8. Exploring the Role of Empathy in a Service-Learning Design Project9. Piecemeal Versus Integrated Framing of Design Activities; 10. Exploring the Design Cognition of Concept Design Reviews Using the FBS-Based Protocol Analysis; Design Discourse; 11. Learning From Expert/Student Dialogue to Enhance Engineering Design Education; 12. A Discursive Approach to Understanding Dependencies Between Design Acts; 13. Normative Concerns, Avoided: Instructional Barriers in Designing for Social Change; Design Interactions 14. "Wait, wait: Dan, your turn": Performing Assessment in the Group-Based Design Review15. Articulation of Professional Vision in Design Review; 16. Design Grammar-A Visual Tool for Analyzing Teacher and Student Interaction; Design Being; 17. Taking a (Design) Stance; 18. Becoming a Designer: Some Contributions of Design Reviews; 19. Multiple Means Through Which Design Identities Are Communicated During Design Reviews; Design Coaching; 20. A Quantitative Exploration of Student-Instructor Interactions Amidst Ambiguity; 21. Directing Convergent and Divergent Activity Through Design Feedback 22. Making Visible the "How" and "What" of Design Teaching23. Three Studio Critiquing Cultures: Fun Follows Function or Function Follows Fun?; Author Biographies and Contact Information; Index |
| Record Nr. | UNINA-9910465726503321 |
| West Lafayette, Indiana : , : Purdue University Press, , 2016 | ||
| Materiale a stampa | ||
| Lo trovi qui: Univ. Federico II | ||
| ||
Analyzing design review conversations / / edited by Robin S. Adams and Junaid A. Siddiqui
| Analyzing design review conversations / / edited by Robin S. Adams and Junaid A. Siddiqui |
| Pubbl/distr/stampa | West Lafayette, Indiana : , : Purdue University Press, , 2016 |
| Descrizione fisica | 1 online resource (515 p.) |
| Disciplina | 620/.0042 |
| Soggetto topico |
Engineering design - Evaluation
Industrial design Communication in engineering design Communication in design |
| ISBN |
1-61249-438-2
1-61249-439-0 |
| Formato | Materiale a stampa |
| Livello bibliografico | Monografia |
| Lingua di pubblicazione | eng |
| Nota di contenuto |
Cover; Copyright; Table of Contents; Acknowledgments; Analyzing Design Review Conversations; 1. Inquiry Into Design Review Conversations; 2. Design Review Conversations: The Dataset; 3. Making Gestural frequencies; 4. Research-to-Practice Workshop: Design and Experience; Design Inquiry; 5. Robust Design Review Conversations; 6. Navigating Boundaries: Moving Between Context and Disciplinary Knowledge When Learning to Design; 7. Dimensions of Creative Evaluation: Distinct Design and Reasoning Strategies for Aesthetic, Functional, and Originality Judgments
8. Exploring the Role of Empathy in a Service-Learning Design Project9. Piecemeal Versus Integrated Framing of Design Activities; 10. Exploring the Design Cognition of Concept Design Reviews Using the FBS-Based Protocol Analysis; Design Discourse; 11. Learning From Expert/Student Dialogue to Enhance Engineering Design Education; 12. A Discursive Approach to Understanding Dependencies Between Design Acts; 13. Normative Concerns, Avoided: Instructional Barriers in Designing for Social Change; Design Interactions 14. "Wait, wait: Dan, your turn": Performing Assessment in the Group-Based Design Review15. Articulation of Professional Vision in Design Review; 16. Design Grammar-A Visual Tool for Analyzing Teacher and Student Interaction; Design Being; 17. Taking a (Design) Stance; 18. Becoming a Designer: Some Contributions of Design Reviews; 19. Multiple Means Through Which Design Identities Are Communicated During Design Reviews; Design Coaching; 20. A Quantitative Exploration of Student-Instructor Interactions Amidst Ambiguity; 21. Directing Convergent and Divergent Activity Through Design Feedback 22. Making Visible the "How" and "What" of Design Teaching23. Three Studio Critiquing Cultures: Fun Follows Function or Function Follows Fun?; Author Biographies and Contact Information; Index |
| Record Nr. | UNINA-9910798305503321 |
| West Lafayette, Indiana : , : Purdue University Press, , 2016 | ||
| Materiale a stampa | ||
| Lo trovi qui: Univ. Federico II | ||
| ||
Analyzing design review conversations / / edited by Robin S. Adams and Junaid A. Siddiqui
| Analyzing design review conversations / / edited by Robin S. Adams and Junaid A. Siddiqui |
| Pubbl/distr/stampa | West Lafayette, Indiana : , : Purdue University Press, , 2016 |
| Descrizione fisica | 1 online resource (515 p.) |
| Disciplina | 620/.0042 |
| Soggetto topico |
Engineering design - Evaluation
Industrial design Communication in engineering design Communication in design |
| ISBN |
1-61249-438-2
1-61249-439-0 |
| Formato | Materiale a stampa |
| Livello bibliografico | Monografia |
| Lingua di pubblicazione | eng |
| Nota di contenuto |
Cover; Copyright; Table of Contents; Acknowledgments; Analyzing Design Review Conversations; 1. Inquiry Into Design Review Conversations; 2. Design Review Conversations: The Dataset; 3. Making Gestural frequencies; 4. Research-to-Practice Workshop: Design and Experience; Design Inquiry; 5. Robust Design Review Conversations; 6. Navigating Boundaries: Moving Between Context and Disciplinary Knowledge When Learning to Design; 7. Dimensions of Creative Evaluation: Distinct Design and Reasoning Strategies for Aesthetic, Functional, and Originality Judgments
8. Exploring the Role of Empathy in a Service-Learning Design Project9. Piecemeal Versus Integrated Framing of Design Activities; 10. Exploring the Design Cognition of Concept Design Reviews Using the FBS-Based Protocol Analysis; Design Discourse; 11. Learning From Expert/Student Dialogue to Enhance Engineering Design Education; 12. A Discursive Approach to Understanding Dependencies Between Design Acts; 13. Normative Concerns, Avoided: Instructional Barriers in Designing for Social Change; Design Interactions 14. "Wait, wait: Dan, your turn": Performing Assessment in the Group-Based Design Review15. Articulation of Professional Vision in Design Review; 16. Design Grammar-A Visual Tool for Analyzing Teacher and Student Interaction; Design Being; 17. Taking a (Design) Stance; 18. Becoming a Designer: Some Contributions of Design Reviews; 19. Multiple Means Through Which Design Identities Are Communicated During Design Reviews; Design Coaching; 20. A Quantitative Exploration of Student-Instructor Interactions Amidst Ambiguity; 21. Directing Convergent and Divergent Activity Through Design Feedback 22. Making Visible the "How" and "What" of Design Teaching23. Three Studio Critiquing Cultures: Fun Follows Function or Function Follows Fun?; Author Biographies and Contact Information; Index |
| Record Nr. | UNINA-9910815836603321 |
| West Lafayette, Indiana : , : Purdue University Press, , 2016 | ||
| Materiale a stampa | ||
| Lo trovi qui: Univ. Federico II | ||
| ||
Data evaluation theory and practice for materials properties [[electronic resource] /] / Ronald G. Munro
| Data evaluation theory and practice for materials properties [[electronic resource] /] / Ronald G. Munro |
| Autore | Munro R. G (Ronald Gordon) |
| Pubbl/distr/stampa | [Gaithersburg, Md.] : , : U.S. Dept. of Commerce, Technology Administration, National Institute of Standards and Technology, , [2003] |
| Descrizione fisica | 1 online resource (xvi, 114 pages) : illustrations |
| Collana |
NIST recommended practice guide
NIST special publication |
| Soggetto topico |
Materials science - Testing - Evaluation
Engineering design - Evaluation Metrology |
| Formato | Materiale a stampa |
| Livello bibliografico | Monografia |
| Lingua di pubblicazione | eng |
| Record Nr. | UNINA-9910699292403321 |
Munro R. G (Ronald Gordon)
|
||
| [Gaithersburg, Md.] : , : U.S. Dept. of Commerce, Technology Administration, National Institute of Standards and Technology, , [2003] | ||
| Materiale a stampa | ||
| Lo trovi qui: Univ. Federico II | ||
| ||
Performance evaluation and design of flight vehicle control systems / / Eric T. Falangas
| Performance evaluation and design of flight vehicle control systems / / Eric T. Falangas |
| Autore | Falangas Eric T. |
| Pubbl/distr/stampa | Hoboken, New Jersey : , : Wiley, , 2016 |
| Descrizione fisica | 1 online resource (434 p.) |
| Disciplina | 629.1326 |
| Soggetto topico |
Flight control - Evaluation
Engineering design - Evaluation |
| ISBN |
1-119-13487-0
1-119-14117-6 1-119-13485-4 |
| Formato | Materiale a stampa |
| Livello bibliografico | Monografia |
| Lingua di pubblicazione | eng |
| Nota di contenuto |
Preface xi -- Acknowledgments xiii -- Introduction 1 -- 1 Description of the Dynamic Models 7 -- 1.1 Aerodynamic Models, 8 -- 1.2 Structural Flexibility, 9 -- 1.3 Propellant Sloshing, 10 -- 1.4 Dynamic Coupling between Vehicle, Actuators, and Control Effectors, 12 -- 1.5 Control Issues, 13 -- 1.6 Coordinate Axes, 15 -- Nomenclature, 16 -- 2 Nonlinear Rigid-Body Equations Used in 6-DOF Simulations 19 -- 2.1 Force and Acceleration Equations, 19 -- 2.2 Moment and Angular Acceleration Equations, 21 -- 2.3 Gravitational Forces, 22 -- 2.4 Engine TVC Forces, 22 -- 2.5 Aerodynamic Forces and Moments, 24 -- 2.6 Propellant Sloshing Using the Pendulum Model, 28 -- 2.7 Euler Angles, 29 -- 2.8 Vehicle Altitude and Cross-Range Velocity Calculation, 30 -- 2.9 Rates with Respect to the Stability Axes, 30 -- 2.10 Turn Coordination, 31 -- 2.11 Acceleration Sensed by an Accelerometer, 31 -- 2.12 Vehicle Controlled with a System of Momentum Exchange Devices, 32 -- 2.13 Spacecraft Controlled with Reaction Wheels Array, 33 -- 2.14 Spacecraft Controlled with an Array of Single-Gimbal CMGs, 37 -- 2.14.1 Math Model of a SGCMG Array, 38 -- 2.14.2 Steering Logic for a Spacecraft with SGCMGs, 42 -- 3 Linear Perturbation Equations Used in Control Analysis 47 -- 3.1 Force and Acceleration Equations, 47 -- 3.2 Linear Accelerations, 48 -- 3.3 Moment and Angular Acceleration Equations, 50 -- 3.4 Gravitational Forces, 51 -- 3.5 Forces and Moments due to an Engine Pivoting and Throttling, 52 -- 3.6 Aerodynamic Forces and Moments, 58 -- 3.7 Modeling a Wind-Gust Disturbance, 70 -- 3.8 Propellant Sloshing (Spring / Mass Analogy), 73 -- 3.9 Structural Flexibility, 80 -- 3.9.1 The Bending Equation, 85 -- 3.10 Load Torques, 90 -- 3.10.1 Load Torques at the Nozzle Gimbal, 91 -- 3.10.2 Hinge Moments at the Control Surfaces, 93 -- 3.11 Output Sensors, 97 -- 3.11.1 Vehicle Attitude, Euler Angles, 97 -- 3.11.2 Altitude and Cross-Range Velocity Variations, 98 -- 3.11.3 Gyros or Rate Gyros, 98 -- 3.11.4 Acceleration Sensed by an Accelerometer, 100.
3.11.5 Angle of Attack and Sideslip Sensors, 101 -- 3.12 Angle of Attack and Sideslip Estimators, 102 -- 3.13 Linearized Equations of a Spacecraft with CMGs in LVLH Orbit, 104 -- 3.14 Linearized Equations of an Orbiting Spacecraft with RWA and Momentum Bias, 106 -- 3.15 Linearized Equations of Spacecraft with SGCMG, 107 -- 4 Actuators for Engine Nozzles and Aerosurfaces Control 109 -- 4.1 Actuator Models, 111 -- 4.1.1 Simple Actuator Model, 112 -- 4.1.2 Electrohydraulic Actuator, 114 -- 4.1.3 Electromechanical Actuator, 118 -- 4.2 Combining a Flexible Vehicle Model with Actuators, 123 -- 4.3 Electromechanical Actuator Example, 126 -- 5 Effector Combination Logic 137 -- 5.1 Derivation of an Effector Combination Matrix, 138 -- 5.1.1 Forces and Moments Generated by a Single Engine, 139 -- 5.1.2 Moments and Forces Generated by a Single Engine Gimbaling in Pitch and Yaw, 141 -- 5.1.3 Moments and Forces of an Engine Gimbaling in a Single Skewed Direction, 142 -- 5.1.4 Moments and Forces Generated by a Throttling Engine or an RCS Jet, 143 -- 5.1.5 Moment and Force Variations Generated by a Control Surface Deflection from Trim, 144 -- 5.1.6 Vehicle Accelerations due to the Combined Effect from all Actuators, 145 -- 5.2 Mixing-Logic Example, 147 -- 5.3 Space Shuttle Ascent Analysis Example, 152 -- 5.3.1 Pitch Axis Analysis, 153 -- 5.3.2 Lateral Axes Flight Control System, 163 -- 5.3.3 Closed-Loop Simulation Analysis, 168 -- 6 Trimming the Vehicle Effectors 171 -- 6.1 Classical Aircraft Trimming, 171 -- 6.2 Trimming along a Trajectory, 172 -- 6.2.1 Aerodynamic Moments and Forces, 176 -- 6.2.2 Moments and Forces from an Engine Gimbaling in Pitch and Yaw, 178 -- 6.2.3 Numerical Solution for Calculating the Effector Trim Deflections and Throttles, 180 -- 6.2.4 Adjusting the Trim Profile along the Trajectory, 183 -- 7 Static Performance Analysis along a Flight Trajectory 187 -- 7.1 Transforming the Aeromoment Coefficients, 188 -- 7.2 Control Demands Partial Matrix (CT), 188 -- 7.2.1 Vehicle Moments and Forces Generated from a Double-Gimbaling Engine, 190. 7.2.2 Vehicle Moments and Forces Generated by an Engine Gimbaling in Single Direction, 191 -- 7.2.3 Moment and Force Variations Generated by a Throttling Engine, 191 -- 7.2.4 Vehicle Moments and Forces Generated by Control Surfaces, 192 -- 7.2.5 Total Vehicle Moments and Forces due to All Effectors Combined, 192 -- 7.3 Performance Parameters, 194 -- 7.3.1 Aerodynamic Center, 194 -- 7.3.2 Static Margin, 195 -- 7.3.3 Center of Pressure, 195 -- 7.3.4 Pitch Static Stability/Time to Double Amplitude Parameter (T2), 195 -- 7.3.5 Derivation of Time to Double Amplitude, 196 -- 7.3.6 Directional Stability (Cn��-dynamic), 197 -- 7.3.7 Lateral Static Stability/Time to Double Amplitude Parameter (T2), 198 -- 7.3.8 Authority of the Control Effectors, 198 -- 7.3.9 Biased Effectors, 200 -- 7.3.10 Control to Disturbance Moments Ratio (M��/M��), 201 -- 7.3.11 Pitch Control Authority Against an Angle of Attack ��max Dispersion, 201 -- 7.3.12 Lateral Control Authority Against an Angle of Sideslip ��max Disturbance, 203 -- 7.3.13 Normal and Lateral Loads, 204 -- 7.3.14 Bank Angle and Side Force During a Steady Sideslip, 204 -- 7.3.15 Engine-Out or Ycg Offset Situations, 205 -- 7.3.16 Lateral Control Departure Parameter, 206 -- 7.3.17 Examples Showing the Effects of LCDP Sign Reversal on Stability, 209 -- 7.3.18 Effector Capability to Provide Rotational Accelerations, 211 -- 7.3.19 Effector Capability to Provide Translational Accelerations, 212 -- 7.3.20 Steady Pull-Up Maneuverability, 212 -- 7.3.21 Pitch Inertial Coupling Due to Stability Roll, 214 -- 7.3.22 Yaw Inertial Coupling Due to Loaded Roll, 215 -- 7.3.23 Moments at the Hinges of the Control Surfaces, 216 -- 7.4 Notes on Spin Departure (By Aditya A. Paranjape), 217 -- 7.4.1 Stability-Based Criteria, 217 -- 7.4.2 Solution-Based Criteria, 220 -- 7.5 Appendix, 224 -- References, 224 -- 8 Graphical Performance Analysis 225 -- 8.1 Contour Plots of Performance Parameters versus (Mach and Alpha), 225 -- 8.2 Vector Diagram Analysis, 228 -- 8.2.1 Maximum Moment and Force Vector Diagrams, 229. 8.2.2 Maximum Acceleration Vector Diagrams, 233 -- 8.2.3 Moment and Force Partials Vector Diagrams, 234 -- 8.2.4 Vector Diagram Partials of Acceleration per Acceleration Demand, 238 -- 8.3 Converting the Aero Uncertainties from Individual Surfaces to Vehicle Axes, 239 -- 8.3.1 Uncertainties in the Control Partials, 241 -- 8.3.2 Uncertainties due to Peak Control Demands, 241 -- 8.3.3 Acceleration Uncertainties, 243 -- 9 Flight Control Design 245 -- 9.1 LQR State-Feedback Control, 246 -- 9.2 H-Infinity State-Feedback Control, 248 -- 9.3 H-Infinity Control Using Full-Order Output Feedback, 249 -- 9.4 Control Design Examples, 251 -- 9.5 Control Design for a Reentry Vehicle, 251 -- 9.5.1 Early Reentry Phase, 253 -- 9.5.2 Midphase, 261 -- 9.5.3 Approach and Landing Phase, 268 -- 9.6 Rocket Plane with a Throttling Engine, 275 -- 9.6.1 Design Model, 276 -- 9.6.2 LQR Control Design, 277 -- 9.6.3 Simulation of the Longitudinal Control System, 278 -- 9.6.4 Stability Analysis, 281 -- 9.7 Shuttle Ascent Control System Redesign Using H-Infinity, 282 -- 9.7.1 Pitch Axis H-Infinity Design, 283 -- 9.7.2 Lateral Axes H-Infinity Design, 289 -- 9.7.3 Sensitivity Comparison Using Simulations, 294 -- 9.8 Creating Uncertainty Models, 298 -- 9.8.1 The Internal Feedback Loop Structure, 299 -- 9.8.2 Implementation of the IFL Model, 303 -- 10 Vehicle Design Examples 305 -- 10.1 Lifting-Body Space-Plane Reentry Design Example, 305 -- 10.1.1 Control Modes and Trajectory Description, 307 -- 10.1.2 Early Hypersonic Phase Using Alpha Control, 307 -- 10.1.3 Normal Acceleration Control Mode, 317 -- 10.1.4 Flight-Path Angle Control Mode, 329 -- 10.1.5 Approach and Landing Phase, 341 -- 10.1.6 Six-DOF Nonlinear Simulation, 361 -- 10.2 Launch Vehicle with Wings, 381 -- 10.2.1 Trajectory Analysis, 382 -- 10.2.2 Trimming along the Trajectory, 382 -- 10.2.3 Trimming with an Engine Thrust Failure, 385 -- 10.2.4 Analysis of Static Performance along the Trajectory, 387 -- 10.2.5 Controllability Analysis Using Vector Diagrams, 390. 10.2.6 Creating an Ascent Dynamic Model and an Effector Mixing Logic, 393 -- 10.2.7 Ascent Control System Design, Analysis and Simulation, 393 -- 10.3 Space Station Design Example, 400 -- 10.3.1 Control Design, 401 -- 10.3.2 Simulation and Analysis, 405 -- Bibliography 409 -- Index 413. |
| Record Nr. | UNINA-9910137171003321 |
|
Falangas Eric T.
|
||
| Hoboken, New Jersey : , : Wiley, , 2016 | ||
| Materiale a stampa | ||
| Lo trovi qui: Univ. Federico II | ||
| ||
Performance evaluation and design of flight vehicle control systems / / Eric T. Falangas
| Performance evaluation and design of flight vehicle control systems / / Eric T. Falangas |
| Autore | Falangas Eric T. |
| Pubbl/distr/stampa | Hoboken, New Jersey : , : Wiley, , 2016 |
| Descrizione fisica | 1 online resource (434 p.) |
| Disciplina | 629.1326 |
| Soggetto topico |
Flight control - Evaluation
Engineering design - Evaluation |
| ISBN |
1-119-13487-0
1-119-14117-6 1-119-13485-4 |
| Formato | Materiale a stampa |
| Livello bibliografico | Monografia |
| Lingua di pubblicazione | eng |
| Nota di contenuto |
Preface xi -- Acknowledgments xiii -- Introduction 1 -- 1 Description of the Dynamic Models 7 -- 1.1 Aerodynamic Models, 8 -- 1.2 Structural Flexibility, 9 -- 1.3 Propellant Sloshing, 10 -- 1.4 Dynamic Coupling between Vehicle, Actuators, and Control Effectors, 12 -- 1.5 Control Issues, 13 -- 1.6 Coordinate Axes, 15 -- Nomenclature, 16 -- 2 Nonlinear Rigid-Body Equations Used in 6-DOF Simulations 19 -- 2.1 Force and Acceleration Equations, 19 -- 2.2 Moment and Angular Acceleration Equations, 21 -- 2.3 Gravitational Forces, 22 -- 2.4 Engine TVC Forces, 22 -- 2.5 Aerodynamic Forces and Moments, 24 -- 2.6 Propellant Sloshing Using the Pendulum Model, 28 -- 2.7 Euler Angles, 29 -- 2.8 Vehicle Altitude and Cross-Range Velocity Calculation, 30 -- 2.9 Rates with Respect to the Stability Axes, 30 -- 2.10 Turn Coordination, 31 -- 2.11 Acceleration Sensed by an Accelerometer, 31 -- 2.12 Vehicle Controlled with a System of Momentum Exchange Devices, 32 -- 2.13 Spacecraft Controlled with Reaction Wheels Array, 33 -- 2.14 Spacecraft Controlled with an Array of Single-Gimbal CMGs, 37 -- 2.14.1 Math Model of a SGCMG Array, 38 -- 2.14.2 Steering Logic for a Spacecraft with SGCMGs, 42 -- 3 Linear Perturbation Equations Used in Control Analysis 47 -- 3.1 Force and Acceleration Equations, 47 -- 3.2 Linear Accelerations, 48 -- 3.3 Moment and Angular Acceleration Equations, 50 -- 3.4 Gravitational Forces, 51 -- 3.5 Forces and Moments due to an Engine Pivoting and Throttling, 52 -- 3.6 Aerodynamic Forces and Moments, 58 -- 3.7 Modeling a Wind-Gust Disturbance, 70 -- 3.8 Propellant Sloshing (Spring / Mass Analogy), 73 -- 3.9 Structural Flexibility, 80 -- 3.9.1 The Bending Equation, 85 -- 3.10 Load Torques, 90 -- 3.10.1 Load Torques at the Nozzle Gimbal, 91 -- 3.10.2 Hinge Moments at the Control Surfaces, 93 -- 3.11 Output Sensors, 97 -- 3.11.1 Vehicle Attitude, Euler Angles, 97 -- 3.11.2 Altitude and Cross-Range Velocity Variations, 98 -- 3.11.3 Gyros or Rate Gyros, 98 -- 3.11.4 Acceleration Sensed by an Accelerometer, 100.
3.11.5 Angle of Attack and Sideslip Sensors, 101 -- 3.12 Angle of Attack and Sideslip Estimators, 102 -- 3.13 Linearized Equations of a Spacecraft with CMGs in LVLH Orbit, 104 -- 3.14 Linearized Equations of an Orbiting Spacecraft with RWA and Momentum Bias, 106 -- 3.15 Linearized Equations of Spacecraft with SGCMG, 107 -- 4 Actuators for Engine Nozzles and Aerosurfaces Control 109 -- 4.1 Actuator Models, 111 -- 4.1.1 Simple Actuator Model, 112 -- 4.1.2 Electrohydraulic Actuator, 114 -- 4.1.3 Electromechanical Actuator, 118 -- 4.2 Combining a Flexible Vehicle Model with Actuators, 123 -- 4.3 Electromechanical Actuator Example, 126 -- 5 Effector Combination Logic 137 -- 5.1 Derivation of an Effector Combination Matrix, 138 -- 5.1.1 Forces and Moments Generated by a Single Engine, 139 -- 5.1.2 Moments and Forces Generated by a Single Engine Gimbaling in Pitch and Yaw, 141 -- 5.1.3 Moments and Forces of an Engine Gimbaling in a Single Skewed Direction, 142 -- 5.1.4 Moments and Forces Generated by a Throttling Engine or an RCS Jet, 143 -- 5.1.5 Moment and Force Variations Generated by a Control Surface Deflection from Trim, 144 -- 5.1.6 Vehicle Accelerations due to the Combined Effect from all Actuators, 145 -- 5.2 Mixing-Logic Example, 147 -- 5.3 Space Shuttle Ascent Analysis Example, 152 -- 5.3.1 Pitch Axis Analysis, 153 -- 5.3.2 Lateral Axes Flight Control System, 163 -- 5.3.3 Closed-Loop Simulation Analysis, 168 -- 6 Trimming the Vehicle Effectors 171 -- 6.1 Classical Aircraft Trimming, 171 -- 6.2 Trimming along a Trajectory, 172 -- 6.2.1 Aerodynamic Moments and Forces, 176 -- 6.2.2 Moments and Forces from an Engine Gimbaling in Pitch and Yaw, 178 -- 6.2.3 Numerical Solution for Calculating the Effector Trim Deflections and Throttles, 180 -- 6.2.4 Adjusting the Trim Profile along the Trajectory, 183 -- 7 Static Performance Analysis along a Flight Trajectory 187 -- 7.1 Transforming the Aeromoment Coefficients, 188 -- 7.2 Control Demands Partial Matrix (CT), 188 -- 7.2.1 Vehicle Moments and Forces Generated from a Double-Gimbaling Engine, 190. 7.2.2 Vehicle Moments and Forces Generated by an Engine Gimbaling in Single Direction, 191 -- 7.2.3 Moment and Force Variations Generated by a Throttling Engine, 191 -- 7.2.4 Vehicle Moments and Forces Generated by Control Surfaces, 192 -- 7.2.5 Total Vehicle Moments and Forces due to All Effectors Combined, 192 -- 7.3 Performance Parameters, 194 -- 7.3.1 Aerodynamic Center, 194 -- 7.3.2 Static Margin, 195 -- 7.3.3 Center of Pressure, 195 -- 7.3.4 Pitch Static Stability/Time to Double Amplitude Parameter (T2), 195 -- 7.3.5 Derivation of Time to Double Amplitude, 196 -- 7.3.6 Directional Stability (Cn��-dynamic), 197 -- 7.3.7 Lateral Static Stability/Time to Double Amplitude Parameter (T2), 198 -- 7.3.8 Authority of the Control Effectors, 198 -- 7.3.9 Biased Effectors, 200 -- 7.3.10 Control to Disturbance Moments Ratio (M��/M��), 201 -- 7.3.11 Pitch Control Authority Against an Angle of Attack ��max Dispersion, 201 -- 7.3.12 Lateral Control Authority Against an Angle of Sideslip ��max Disturbance, 203 -- 7.3.13 Normal and Lateral Loads, 204 -- 7.3.14 Bank Angle and Side Force During a Steady Sideslip, 204 -- 7.3.15 Engine-Out or Ycg Offset Situations, 205 -- 7.3.16 Lateral Control Departure Parameter, 206 -- 7.3.17 Examples Showing the Effects of LCDP Sign Reversal on Stability, 209 -- 7.3.18 Effector Capability to Provide Rotational Accelerations, 211 -- 7.3.19 Effector Capability to Provide Translational Accelerations, 212 -- 7.3.20 Steady Pull-Up Maneuverability, 212 -- 7.3.21 Pitch Inertial Coupling Due to Stability Roll, 214 -- 7.3.22 Yaw Inertial Coupling Due to Loaded Roll, 215 -- 7.3.23 Moments at the Hinges of the Control Surfaces, 216 -- 7.4 Notes on Spin Departure (By Aditya A. Paranjape), 217 -- 7.4.1 Stability-Based Criteria, 217 -- 7.4.2 Solution-Based Criteria, 220 -- 7.5 Appendix, 224 -- References, 224 -- 8 Graphical Performance Analysis 225 -- 8.1 Contour Plots of Performance Parameters versus (Mach and Alpha), 225 -- 8.2 Vector Diagram Analysis, 228 -- 8.2.1 Maximum Moment and Force Vector Diagrams, 229. 8.2.2 Maximum Acceleration Vector Diagrams, 233 -- 8.2.3 Moment and Force Partials Vector Diagrams, 234 -- 8.2.4 Vector Diagram Partials of Acceleration per Acceleration Demand, 238 -- 8.3 Converting the Aero Uncertainties from Individual Surfaces to Vehicle Axes, 239 -- 8.3.1 Uncertainties in the Control Partials, 241 -- 8.3.2 Uncertainties due to Peak Control Demands, 241 -- 8.3.3 Acceleration Uncertainties, 243 -- 9 Flight Control Design 245 -- 9.1 LQR State-Feedback Control, 246 -- 9.2 H-Infinity State-Feedback Control, 248 -- 9.3 H-Infinity Control Using Full-Order Output Feedback, 249 -- 9.4 Control Design Examples, 251 -- 9.5 Control Design for a Reentry Vehicle, 251 -- 9.5.1 Early Reentry Phase, 253 -- 9.5.2 Midphase, 261 -- 9.5.3 Approach and Landing Phase, 268 -- 9.6 Rocket Plane with a Throttling Engine, 275 -- 9.6.1 Design Model, 276 -- 9.6.2 LQR Control Design, 277 -- 9.6.3 Simulation of the Longitudinal Control System, 278 -- 9.6.4 Stability Analysis, 281 -- 9.7 Shuttle Ascent Control System Redesign Using H-Infinity, 282 -- 9.7.1 Pitch Axis H-Infinity Design, 283 -- 9.7.2 Lateral Axes H-Infinity Design, 289 -- 9.7.3 Sensitivity Comparison Using Simulations, 294 -- 9.8 Creating Uncertainty Models, 298 -- 9.8.1 The Internal Feedback Loop Structure, 299 -- 9.8.2 Implementation of the IFL Model, 303 -- 10 Vehicle Design Examples 305 -- 10.1 Lifting-Body Space-Plane Reentry Design Example, 305 -- 10.1.1 Control Modes and Trajectory Description, 307 -- 10.1.2 Early Hypersonic Phase Using Alpha Control, 307 -- 10.1.3 Normal Acceleration Control Mode, 317 -- 10.1.4 Flight-Path Angle Control Mode, 329 -- 10.1.5 Approach and Landing Phase, 341 -- 10.1.6 Six-DOF Nonlinear Simulation, 361 -- 10.2 Launch Vehicle with Wings, 381 -- 10.2.1 Trajectory Analysis, 382 -- 10.2.2 Trimming along the Trajectory, 382 -- 10.2.3 Trimming with an Engine Thrust Failure, 385 -- 10.2.4 Analysis of Static Performance along the Trajectory, 387 -- 10.2.5 Controllability Analysis Using Vector Diagrams, 390. 10.2.6 Creating an Ascent Dynamic Model and an Effector Mixing Logic, 393 -- 10.2.7 Ascent Control System Design, Analysis and Simulation, 393 -- 10.3 Space Station Design Example, 400 -- 10.3.1 Control Design, 401 -- 10.3.2 Simulation and Analysis, 405 -- Bibliography 409 -- Index 413. |
| Record Nr. | UNINA-9910677189603321 |
|
Falangas Eric T.
|
||
| Hoboken, New Jersey : , : Wiley, , 2016 | ||
| Materiale a stampa | ||
| Lo trovi qui: Univ. Federico II | ||
| ||
