Výsledky vyhľadávania - Output feedback controller

Reinforcement Learning for Optimal Feedback Control A Lyapunov-Based Approach / Autor Kamalapurkar, Rushikesh

Discrete-Time Sliding Mode Control for Networked Control System Autor Shah, Dipesh H.

Obsah: “…Multirate Output Feedback Discrete-Time Sliding Mode Controller for Fractional Delay Compensation -- Chapter 6. …”

Saturated Control of Linear Systems Autor Benzaouia, Abdellah

Obsah: “…Introduction -- Regulator Problem for Linear Systems with Constraints on Control and Its Increment -- Constrained Control and Rate or Increment for Linear Systems with Additivie Disturbances -- Robust Constratined Linear Regulator Problem -- Observer-Based Constrained Control -- Observer-Based Regulator Problem for WWTP with Constraints on the Control -- Regulator Problem for Linear Singular Systems with Constrained Control -- Regulation of Linear Singular Systems under Constrained Control Magnitude and Rate -- Constrained Observer-Based Control for Linear Singular Systems -- Stability and Control Synthesis for Discrete-Time Linear Systems Subject to Actuator Saturation by Output Feedback -- The Regulator Problem for Linear Systems with Asymmetric Saturations on the Control and Its Increments or Rate: An LMI Approach -- Stabilization of Unsymmetrical Saturated Control: An LMI Approach -- System Stabilization by Unsymmetrical Constrained State Feedback -- Control of a Hydrogen Reformer with Output Feedback: An LMI Approach -- l1-control Using Linear Programming for Systems with Asymmetric Bounds -- Stabilization of 2-D Continuous Systems with Multi-Delays and Saturated Control.…”

Relay Tuning of PID Controllers For Unstable MIMO Processes / Autor Chidambaram, M.

Vibration Control of Active Structures An Introduction / Autor Preumont, André

Obsah: “….- 1.3 Smart materials and structures.- 1.4 Control strategies.- 1.4.1 Feedback.- 1.4.2 Feedforward.- 1.5 The various steps of the design.- 1.6 Plant description, error and control budget.- 1.7 Readership and Organization of the book.- 1.8 References.- 1.9 Problems.- 2 Some concepts in structural dynamics.- 2.1 Introduction.- 2.2 Equation of motion of a discrete system.- 2.3 Vibration modes.- 2.4 Modal decomposition.- 2.4.1 Structure without rigid body modes.- 2.4.2 Dynamic °exibility matrix.- 2.4.3 Structure with rigid body modes.- 2.4.4 Example.- 2.5 Collocated control system.- 2.5.1 Transmission zeros and constrained system.- 2.6 Continuous structures.- 2.7 Guyan reduction.- 2.8 Craig-Bampton reduction.- 2.9 References.- 2.10 Problems.- 3 Electromagnetic and piezoelectric transducers.- 3.1 Introduction.- 3.2 Voice coil transducer.- 3.2.1 Proof-mass actuator.- 3.2.2 Geophone.- 3.3 General electromechanical transducer.- 3.3.1 Constitutive equations.- 3.3.2 Self-sensing.- 3.4 Reaction wheels and gyrostabilizers.- 3.5 Smart materials.- 3.6 Piezoelectric transducer.- 3.6.1 Constitutive relations of a discrete transducer.- 3.6.2 Interpretation of k2.- 3.6.3 Admittance of the piezoelectric transducer.- 3.7 References.- 3.8 Problems.- 4 Piezoelectric beam, plate and truss.- 4.1 Piezoelectric material.- 4.1.1 Constitutive relations.- 4.1.2 Coenergy density function.- 4.2 Hamilton's principle.- 4.3 Piezoelectric beam actuator.- 4.3.1 Hamilton's principle.- 4.3.2 Piezoelectric loads.- 4.4 Laminar sensor.- 4.4.1 Current and charge amplifiers.- 4.4.2 Distributed sensor output.- 4.4.3 Charge amplifier dynamics.- 4.5 Spatial modalfilters.- 4.5.1 Modal actuator.- 4.5.2 Modal sensor.- 4.6 Active beam with collocated actuator-sensor.- 4.6.1 Frequency response function.- 4.6.2 Pole-zero pattern.- 4.6.3 Modal truncation.- 4.7 Admittance of a beam with a piezoelectric patch.- 4.8 Piezoelectric laminate.- 4.8.1 Two dimensional constitutive equations.- 4.8.2 Kirchhoff theory.- 4.8.3 Stiffness matrix of a multi-layer elastic laminate.- 4.8.4 Multi-layer laminate with a piezoelectric layer.- 4.8.5 Equivalent piezoelectric loads.- 4.8.6 Sensor output.- 4.8.7 Beam model vs. plate model.- 4.8.8 Additional remarks.- 4.9 Active truss.- 4.9.1 Open-loop transfer function.- 4.9.2 Admittance function.- 4.10 Finite element formulation.- 4.11 References.- 4.12 Problems.- 5 Passive damping with piezoelectric transducers.- 5.1 Introduction.- 5.2 Resistive shunting.- 5.3 Inductive shunting.- 5.4 Switched shunt.- 5.4.1 Equivalent damping ratio.- 5.5 References.- 5.6 Problems.- 6 Collocated versus non-collocated control.- 6.1 Introduction.- 6.2 Pole-zero flipping.- 6.3 The two-mass problem.- 6.3.1 Collocated control.- 6.3.2 Non-collocated control.- 6.4 Notch filter.- 6.5 Effect of pole-zero flipping on the Bode plots.- 6.6 Nearly collocated control system.- 6.7 Non-collocated control systems.- 6.8 The role of damping.- 6.9 References -- 6.10 Problems ..- 7 Active damping with collocated system.- 7.1 Introduction.- 7.2 Lead control.- 7.3 Direct velocity feedback (DVF).- 7.4 Positive Position Feedback (PPF).- 7.5 Integral Force Feedback(IFF).- 7.6 Duality between the Lead and the IFF controllers.- 7.6.1 Root-locus of a single mode.- 7.6.2 Open-loop poles and zeros.- 7.7 Actuator and sensor dynamics.- 7.8 Decentralized control with collocated pairs.- 7.8.1 Cross talk.- 7.8.2 Force actuator and displacement sensor.- 7.8.3 Displacement actuator and force sensor.- 7.9 References.- 7.10 Problems.- 8 Vibration isolation.- 8.1 Introduction.- 8.2 Relaxation isolator.- 8.2.1 Electromagnetic realization.- 8.3 Active isolation.- 8.3.1 Sky-hook damper.- 8.3.2 Integral Force Feedback.- 8.4 Flexible body.- 8.4.1 Free-free beam with isolator.- 8.5 Payload isolation in spacecraft.- 8.5.1 Interaction isolator/attitude control.- 8.5.2 Gough-Stewart platform.- 8.6 Six-axis isolator.- 8.6.1 Relaxation isolator.- 8.6.2 Integral Force Feedback.- 8.6.3 Spherical joints, modal spread.- 8.7 Active vs. passive.- 8.8 Car suspension.- 8.9 References.- 8.10 Problems.- 9 State space approach.- 9.1 Introduction.- 9.2 State space description.- 9.2.1 Single degree of freedom oscillator.- 9.2.2 Flexible structure.- 9.2.3 Inverted pendulum.- 9.3 System transfer function.- 9.3.1 Poles and zeros.- 9.4 Pole placement by state feedback.- 9.4.1 Example: oscillator.- 9.5 Linear Quadratic Regulator.- 9.5.1 Symmetric root locus.- 9.5.2 Inverted pendulum.- 9.6 Observer design.- 9.7 Kalman Filter.- 9.7.1 Inverted pendulum.- 9.8 Reduced order observer.- 9.8.1 Oscillator.- 9.8.2 Inverted pendulum.- 9.9 Separation principle.- 9.10 Transfer function of the compensator.- 9.10.1 The two-mass problem.- 9.11 References.- 9.12 Problems.- 10 Analysis and synthesis in the frequency domain.- 10.1 Gain and phase margins.- 10.2 Nyquist criterion.- 10.2.1 Cauchy's principle.- 10.2.2 Nyquist stability criterion.- 10.3 Nichols chart.- 10.4 Feedback specification for SISO systems.- 10.4.1 Sensitivity.- 10.4.2 Tracking error.- 10.4.3 Performance specification.- 10.4.4 Unstructured uncertainty.- 10.4.5 Robust performance and robust stability.- 10.5 Bode gain-phase relationships.- 10.6 The Bode Ideal Cutoff.- 10.7 Non-minimum phase systems.- 10.8 Usual compensators.- 10.8.1 System type.- 10.8.2 Lead compensator.- 10.8.3 PI compensator.- 10.8.4 Lag compensator.- 10.8.5 PID compensator.- 10.9 Multivariable systems.- 10.9.1 Performance specification.- 10.9.2 Small gain theorem.- 10.9.3 Stability robustness tests.- 10.9.4 Residual dynamics.- 10.10References.- 10.11Problems.- 11 Optimal control.- 11.1 Introduction.- 11.2 Quadratic integral.- 11.3 Deterministic LQR.- 11.4 Stochastic response to a white noise.- 11.4.1 Remark.- 11.5 Stochastic LQR.- 11.6 Asymptotic behavior of the closed-loop.- 11.7 Prescribed degree of stability -- 11.8 Gain and phase margins of the LQR.- 11.9 Full state observer.- 11.9.1 Covariance of the reconstruction error.- 11.10Kalman-Bucy Filter (KBF).- 11.11Linear Quadratic Gaussian (LQG).- 11.12Duality.- 11.13Spillover.- 11.13.1Spillover reduction.- 11.14Loop Transfer Recovery (LTR).- 11.15Integral control with state feedback.- 11.16Frequency shaping.- 11.16.1Frequency-shaped cost functionals.- 11.16.2Noise model ..- 11.17References.- 11.18Problems.- 12 Controllability and Observability.- 12.1 Introduction.- 12.1.1 Definitions.- 12.2 Controllability and observability matrices.- 12.3 Examples.- 12.3.1 Cart with two inverted pendulums.- 12.3.2 Double inverted pendulum.- 12.3.3 Two d.o.f.…”

Robust Control for Nonlinear Time-Delay Systems Autor Hua, Changchun

Obsah: “…Introduction -- Part I High-order polynomial form -- Robust Stabilization of a Class of Nonlinear Time-delay Systems -- Robust Model Reference Adaptive Control for Interconnected Time-delay Systems -- Part II General Nonlinear Uncertainties -- Decentralized Adaptive Control for Interconnected Systems with Time Delays -- Memoryless State Feedback Control for Uncertain Nonlinear Time Delay Systems -- Exponential Stabilization Controller Design for Interconnected Time Delay Systems -- Robust Adaptive Control for Time Delay Systems via T-S Fuzzy Approach -- Part III Nonlinear Input -- Adaptive Tracking Control for Time Delay Systems with Unknown Dead-zone Input -- Decentralized Networked Control System Design using T-S Fuzzy Approach -- Part IV Lower triangular structure -- Robust Control for a Class of Time Delay Systems via Backstepping Method -- Backstepping Control for Nonlinear Systems with Time Delays and Applications to Chemical Reactor Systems -- Robust Output Feedback Tracking Control for Time Delay Nonlinear Systems Using Neural Network -- Output Feedback Stabilization for Time Delay Nonlinear Interconnected Systems Using Neural Networks -- Adaptive Fuzzy Output Feedback Controller Design for Nonlinear Time Delay Systems with Unknown Control Direction -- Decentralized Output Feedback Adaptive NN Tracking Control for Time-Delay Stochastic Nonlinear Systems with Prescribed Performance.…”

Investigation of Spatial Control Strategies with Application to Advanced Heavy Water Reactor Autor Munje, Ravindra

Obsah: “….- Chapter 2: Modelling and Control of Advanced Heavy Water Reactor.- Chapter 3: State Feedback Control for AHWR -- Chapter 4: Sliding Mode Control for Spatial Stabilization of AHWR -- Chapter 5: Spatial Control of AHWR using Fast Output Sampling Technique.- Chapter 6: Periodic Output Feedback for Spatial Control of AHWR: A Three-Time-Scale Approach.- Chapter 7: Discrete-time Sliding Mode Spatial Control of AHWR.- Chapter 8: Comparison of Spatial Controllers.- Chapter 9: Conclusions and Future Scopes.- Appendix A.- Appendix B.- Bibliography.…”

Methods of Algebraic Geometry in Control Theory: Part II Multivariable Linear Systems and Projective Algebraic Geometry / Autor Falb, Peter

Obsah: “…1 Scalar Input or Scalar Output Systems -- 2 Two or Three Input, Two Output Systems: Some Examples -- 3 The Transfer and Hankel Matrices -- 4 Polynomial Matrices -- 5 Projective Space -- 6 Projective Algebraic Geometry I: Basic Concepts -- 7 Projective Algebraic Geometry II: Regular Functions, Local Rings, Morphisms -- 8 Exterior Algebra and Grassmannians -- 9 The Laurent Isomorphism Theorem: I -- 10 Projective Algebraic Geometry III: Products, Graphs, Projections -- 11 The Laurent Isomorphism Theorem: II -- 12 Projective Algebraic Geometry IV: Families, Projections, Degree -- 13 The State Space: Realizations, Controllability, Observability, Equivalence -- 14 Projective Algebraic Geometry V: Fibers of Morphisms -- 15 Projective Algebraic Geometry VI: Tangents, Differentials, Simple Subvarieties -- 16 The Geometric Quotient Theorem -- 17 Projective Algebraic Geometry VII: Divisors -- 18 Projective Algebraic Geometry VIII: Intersections -- 19 State Feedback -- 20 Output Feedback -- Appendices -- A Formal Power Series, Completions, Regular Local Rings, and Hubert Polynomials -- B Specialization, Generic Points and Spectra -- C Differentials -- D The Space -- E Review of Affine Algebraic Geometry -- References -- Glossary of Notations.…”

Uncertainty in Complex Networked Systems In Honor of Roberto Tempo /

Obsah: “…Uncertainty systems: time-varying versus time-invariant uncertainties -- Cooperative resilient estimation of uncertain systems subjected to a biasing interference -- Robust static output feedback design with deterministic and probabilistic certificates.…”

Automation 2018 Advances in Automation, Robotics and Measurement Techniques /

Obsah: “…Additive Manufacturing - A New Challenge for Automation and Robotics -- Discrete transfer function models for non-integer order inertial system -- Fractional-Order PI controller with Anti-Windup compensation for first order delay system -- Real-time PLC implementations of Fractional Order operator -- Resource management system for HPC computing -- Autonomous stand for 3D printing and machine vision system -- Methods of automatic artifact removal in neurobiological signals -- Use of Electrooculography (EOG) and facial expressions as part of the brain-computer interface (BCI) for controlling an electric DC motor -- Temperature Forecasting for Energy Saving in Smart Buildings based on Fuzzy Cognitive Map -- Comparative analysis of MP-based solvers to optimize distribution problems in logistics -- Reachability and observability of the fractional linear systems with state and output feedbacks.…”

Operator Theory, Operator Algebras, and Matrix Theory

Obsah: “…Indecomposable supercharacters of the infinite unitriangular group -- A nonlocal C*-algebra of singular integral operators with shifts and piecewise quasicontinuous coefficients -- Non-Hermitian quantum mechanics of bosonic operators -- Fredholm conditions on non-compact manifolds: theory and examples -- Statistical e-Convergence of Bögel-Type Continuous Functions -- Weighted statistical relative approximation by positive linear operators -- Descriptor systems under feedback and output injection -- Hermitian geometry on resolvent set (I) -- Spectral algorithms for MRA orthonormal wavelets -- The NIEP -- Semi-Fredholmness of Weighted Singular Integral Operators with Shifts and Slowly Oscillating Data -- Factorization of singular integral operators with a Carleman backward shift: the vector case -- Extension-restriction theorems for algebras of approximation sequences -- Toeplitz and Hankel algebras - axiomatic and asymptotic aspects -- More than 40 years of algebraic techniques in Numerical Analysis -- Linearizability of multi-control systems of the class C1 by additive change of controls -- The distance formula related to a family of projections orthogonal to their symmetries.…”

Proceedings of the Scientific-Practical Conference "Research and Development - 2016"

Theory, Numerics and Applications of Hyperbolic Problems II Aachen, Germany, August 2016 /

Obsah: “…E: Some Numerical Results of Regional Boundary Controllability with Output Constraints -- Kausar, R. and Trenn, S: Water Hammer Modeling for Water Networks via Hyperbolic PDEs and Switched DAEs -- Kiri, Y. and Ueda, Y: Stability Criteria for Some System of Delay Differential Equations -- Klima, M., Kucharik, M., Shashkov, M. and Velechovsky, J: Bound-Preserving Reconstruction of Tensor Quantities for Remap in ALE Fluid Dynamics -- Klingenberg, C. and Thomann, A: On Computing Compressible Euler Equations with Gravity -- Klingenberg, C., Klotzky, J. and Seguin, N: On Well-Posedness for a Multi-Particle-Fluid Model -- Klingenberg, C., Li, Q. and Pirner, M: On Quantifying Uncertainties for the Linearized BGK Kinetic Equation -- Klingenberg, C., Pirner, M. and Puppo, G: Kinetic ES-BGK Models for a Multi-Component Gas Mixture -- Klingenberg, C., Schnücke, G. and Xia, Y: An Arbitrary Lagrangian-Eulerian Discontinuous Galerkin Method for Conservation Laws: Entropy Stability -- Koellermeier, J. and Torrilhon, M: Simplified Hyperbolic Moment Equations -- Korsch, A: Weakly Coupled Systems of Conservation Laws on Moving Surfaces -- Krankel, M. and Kröner, D: A Phasefield Model for Flows with Phasetransition -- Lambert, W. …”